{"product_id":"selenite-cystine-broth","title":"Selenite Cystine Broth (AS_1346)","description":"\u003cdiv class=\"aus-product-page aus-selenite-cystine\" style=\"font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#1d2935;line-height:1.65;max-width:1200px;margin:0 auto;padding:20px;\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003csection style=\"background:linear-gradient(135deg,#fff7f5 0%,#ffe2dc 100%);border-radius:18px;padding:40px;margin-bottom:30px;box-shadow:0 4px 15px rgba(0,0,0,.08);border:1px solid #f2d6d0;border-left:8px solid #dc2626;\"\u003e\n    \u003cdiv style=\"display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start;\"\u003e\n      \u003cdiv\u003e\n        \u003cdiv style=\"display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#b91c1c;font-weight:700;margin-bottom:12px;background:#fff;padding:6px 12px;border-radius:20px;border:1px solid #f2d6d0;\"\u003e\n          AuSaMicS Life Science • Selective Salmonella Enrichment\n        \u003c\/div\u003e\n\n        \u003ch1 style=\"color:#7f1d1d;margin:0 0 8px 0;font-size:32px;font-weight:700;\"\u003eSelenite Cystine Broth\u003c\/h1\u003e\n        \u003ch2 style=\"color:#991b1b;margin:0 0 15px 0;font-weight:400;font-size:20px;opacity:.9;\"\u003eEnhanced Selective Enrichment for Injured \u0026amp; Stressed \u003cem\u003eSalmonella\u003c\/em\u003e\n\u003c\/h2\u003e\n\n        \u003cp style=\"font-size:17px;margin:0 0 20px 0;color:#334155;max-width:680px;font-weight:500;\"\u003e\n          Selenite Cystine Broth is a highly selective enrichment medium formulated for the recovery of \u003cstrong\u003e\u003cem\u003eSalmonella\u003c\/em\u003e spp.\u003c\/strong\u003e from food, environmental, and clinical samples. The combination of \u003cstrong\u003esodium selenite\u003c\/strong\u003e and \u003cstrong\u003eL-cystine\u003c\/strong\u003e helps suppress competing flora while improving recovery of injured, stressed, or low-level target organisms prior to plating on selective isolation media.\n        \u003c\/p\u003e\n\n        \u003cdiv style=\"display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;\"\u003e\n          \u003cspan style=\"background:#dc2626;color:#fff;padding:8px 16px;border-radius:25px;font-size:13px;font-weight:600;\"\u003eAS-1346\u003c\/span\u003e\n          \u003cspan style=\"background:#fff;border:2px solid #dc2626;color:#b91c1c;padding:8px 16px;border-radius:25px;font-size:13px;font-weight:600;\"\u003eSelective Enrichment\u003c\/span\u003e\n          \u003cspan style=\"background:#16a34a;color:#fff;padding:8px 16px;border-radius:25px;font-size:13px;font-weight:600;\"\u003eAustralian Stock\u003c\/span\u003e\n          \u003cspan style=\"background:#facc15;color:#1a1a1a;padding:8px 16px;border-radius:25px;font-size:13px;font-weight:600;\"\u003eSalmonella Recovery\u003c\/span\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv style=\"display:flex;gap:20px;flex-wrap:wrap;font-size:14px;color:#4a5568;\"\u003e\n          \u003cspan\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Food, environmental \u0026amp; clinical enrichment\u003c\/span\u003e\n          \u003cspan\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Injured or stressed \u003cem\u003eSalmonella\u003c\/em\u003e\u003c\/span\u003e\n          \u003cspan\u003e\u003cstrong\u003eWorkflow:\u003c\/strong\u003e Enrichment before XLD, BGA, SS or chromogenic media\u003c\/span\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fff;padding:25px;border-radius:18px;box-shadow:0 6px 20px rgba(0,0,0,.1);border:1px solid #f2d6d0;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;margin:0 0 15px 0;text-align:center;font-size:16px;\"\u003eSalmonella Enrichment Specialist\u003c\/h3\u003e\n        \u003cdiv style=\"font-size:14px;color:#4a5568;text-align:center;line-height:1.6;\"\u003e\n          \u003cdiv style=\"margin-bottom:12px;\"\u003e\n\u003cstrong\u003eHigh recovery\u003c\/strong\u003e for injured and stressed cells\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom:12px;\"\u003e\n\u003cstrong\u003eL-cystine support\u003c\/strong\u003e for compromised organisms\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom:12px;\"\u003e\n\u003cstrong\u003eRapid enrichment\u003c\/strong\u003e in short incubation windows\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom:12px;\"\u003e\u003cstrong\u003eFood microbiology ready\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom:12px;\"\u003e\n\u003cstrong\u003eCOA support\u003c\/strong\u003e available\u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv style=\"margin-top:20px;padding:15px;background:#fff7f5;border-radius:12px;text-align:center;border:1px solid #fcd4cd;\"\u003e\n          \u003cdiv style=\"color:#dc2626;font-weight:600;font-size:14px;\"\u003eSelective Principle\u003c\/div\u003e\n          \u003cdiv style=\"color:#4a5568;font-size:13px;margin-top:5px;\"\u003eSelenite suppresses many competing enterics while permitting \u003cem\u003eSalmonella\u003c\/em\u003e enrichment\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003cdiv style=\"display:grid;grid-template-columns:1.15fr .85fr;gap:35px;\"\u003e\n\n    \u003c!-- LEFT --\u003e\n    \u003cdiv\u003e\n\n      \u003c!-- OVERVIEW --\u003e\n      \u003csection style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:22px;margin:0 0 15px 0;padding-bottom:10px;border-bottom:3px solid #dc2626;\"\u003eOverview \u0026amp; Applications\u003c\/h3\u003e\n\n        \u003cdiv style=\"background:#fff7f5;padding:20px;border-radius:16px;border-left:5px solid #dc2626;margin-bottom:15px;font-size:14px;color:#374151;\"\u003e\n          \u003cp style=\"margin:0 0 10px 0;\"\u003e\n            Selenite Cystine Broth is an enhanced selective enrichment medium for \u003cstrong\u003e\u003cem\u003eSalmonella\u003c\/em\u003e spp.\u003c\/strong\u003e, especially useful when target cells may be present in low numbers or have been stressed by refrigeration, drying, chemical exposure, or other processing conditions.\n          \u003c\/p\u003e\n          \u003cp style=\"margin:0;\"\u003e\n            The addition of \u003cstrong\u003eL-cystine\u003c\/strong\u003e improves recovery of damaged cells, while sodium selenite maintains selective pressure against many competing coliforms and other background flora. The broth is commonly used as an intermediate enrichment step before subculture onto selective and differential agar media.\n          \u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:15px;\"\u003e\n          \u003cdiv style=\"background:#ecfdf5;padding:15px;border-radius:12px;border:1px solid #bbf7d0;\"\u003e\n            \u003cstrong style=\"color:#15803d;\"\u003ePrimary Applications\u003c\/strong\u003e\n            \u003cul style=\"margin:8px 0 0 18px;color:#166534;font-size:14px;\"\u003e\n              \u003cli\u003eRecovery of injured or stressed \u003cem\u003eSalmonella\u003c\/em\u003e\n\u003c\/li\u003e\n              \u003cli\u003eFood testing: eggs, poultry, dairy, spices, feeds\u003c\/li\u003e\n              \u003cli\u003eEnvironmental monitoring workflows\u003c\/li\u003e\n              \u003cli\u003eClinical and public health microbiology screening\u003c\/li\u003e\n              \u003cli\u003ePre-enrichment before plating on selective agar\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv style=\"background:#fefce8;padding:15px;border-radius:12px;border:1px solid #facc15;\"\u003e\n            \u003cstrong style=\"color:#854d0e;\"\u003eKey Features\u003c\/strong\u003e\n            \u003cul style=\"margin:8px 0 0 18px;color:#92400e;font-size:14px;\"\u003e\n              \u003cli\u003eSodium selenite for selective suppression\u003c\/li\u003e\n              \u003cli\u003eL-cystine to enhance recovery of stressed cells\u003c\/li\u003e\n              \u003cli\u003eRapid enrichment typically within 6–18 hours\u003c\/li\u003e\n              \u003cli\u003eUseful where more aggressive enrichment systems may over-inhibit\u003c\/li\u003e\n              \u003cli\u003eCompatible with standard Salmonella isolation workflows\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- FORMULATION --\u003e\n      \u003csection style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:22px;margin:0 0 15px 0;padding-bottom:10px;border-bottom:3px solid #dc2626;\"\u003eComplete Selenite Cystine Formulation\u003c\/h3\u003e\n\n        \u003cdiv style=\"background:#fff7f5;padding:20px;border-radius:16px;border-left:5px solid #dc2626;\"\u003e\n          \u003ch4 style=\"color:#7f1d1d;margin:0 0 15px 0;font-size:16px;\"\u003eComposition (per Liter)\u003c\/h4\u003e\n          \u003cdiv style=\"overflow-x:auto;\"\u003e\n            \u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;border:1px solid #f2d6d0;background:#fff;\"\u003e\n              \u003cthead style=\"background:#fef2f2;\"\u003e\n                \u003ctr\u003e\n                  \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003eComponent\u003c\/th\u003e\n                  \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003eAmount\u003c\/th\u003e\n                  \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003ePrimary Function\u003c\/th\u003e\n                  \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003ePractical Benefit\u003c\/th\u003e\n                \u003c\/tr\u003e\n              \u003c\/thead\u003e\n              \u003ctbody\u003e\n                \u003ctr style=\"border-bottom:1px solid #f2d6d0;\"\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eTryptone\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e5.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eNitrogen and nutrient source\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSupports early recovery and multiplication of target organisms\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #f2d6d0;\"\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eLactose\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e4.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eCarbohydrate source\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eHelps reduce selenite toxicity during enrichment\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #f2d6d0;background:#fff9e6;\"\u003e\n                  \u003ctd style=\"padding:10px;font-weight:700;color:#b45309;\"\u003eL-Cystine\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;font-weight:700;color:#b45309;\"\u003e0.01–0.05 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eRecovery enhancer\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eImproves viability of injured or stressed \u003cem\u003eSalmonella\u003c\/em\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #f2d6d0;\"\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSodium Hydrogen Phosphate\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e10.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eBuffering system\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eMaintains suitable pH during short enrichment\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#fff0f0;\"\u003e\n                  \u003ctd style=\"padding:10px;font-weight:700;color:#b91c1c;\"\u003eSodium Selenite\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;font-weight:700;color:#b91c1c;\"\u003e4.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSelective agent\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSuppresses many competing enteric bacteria\u003c\/td\u003e\n                \u003c\/tr\u003e\n              \u003c\/tbody\u003e\n            \u003c\/table\u003e\n          \u003c\/div\u003e\n          \u003cdiv style=\"margin-top:12px;font-size:13px;color:#374151;\"\u003e\n            \u003cstrong\u003eFinal pH:\u003c\/strong\u003e 7.0 ± 0.2 at 25°C\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- PREPARATION --\u003e\n      \u003csection style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:22px;margin:0 0 20px 0;padding-bottom:10px;border-bottom:3px solid #dc2626;\"\u003ePreparation, Incubation \u0026amp; Interpretation\u003c\/h3\u003e\n\n        \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;\"\u003e\n\n          \u003cdiv style=\"background:#fff7f5;padding:20px;border-radius:16px;border-left:5px solid #dc2626;\"\u003e\n            \u003ch4 style=\"color:#7f1d1d;margin:0 0 12px 0;font-size:16px;\"\u003ePreparation\u003c\/h4\u003e\n            \u003col style=\"margin:0;padding-left:18px;font-size:14px;color:#374151;\"\u003e\n              \u003cli\u003eSuspend \u003cstrong\u003e23.01–23.05 g\u003c\/strong\u003e in \u003cstrong\u003e1 L\u003c\/strong\u003e of purified or distilled water.\u003c\/li\u003e\n              \u003cli\u003eWarm gently with agitation until dissolved.\u003c\/li\u003e\n              \u003cli\u003e\n\u003cstrong\u003eDo not autoclave\u003c\/strong\u003e, as selenite may decompose and reduce performance.\u003c\/li\u003e\n              \u003cli\u003eDispense aseptically into sterile tubes, bottles, or enrichment vessels.\u003c\/li\u003e\n              \u003cli\u003eUse freshly prepared broth for optimal selectivity and recovery.\u003c\/li\u003e\n            \u003c\/ol\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv style=\"background:#ecfdf5;padding:20px;border-radius:16px;border-left:5px solid #16a34a;\"\u003e\n            \u003ch4 style=\"color:#166534;margin:0 0 12px 0;font-size:16px;\"\u003eIncubation\u003c\/h4\u003e\n            \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#166534;\"\u003e\n              \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 35–37°C\u003c\/li\u003e\n              \u003cli\u003e\n\u003cstrong\u003eDuration:\u003c\/strong\u003e typically 6–18 hours\u003c\/li\u003e\n              \u003cli\u003eDo not exceed \u003cstrong\u003e24 hours\u003c\/strong\u003e, as prolonged exposure may become inhibitory even to target organisms\u003c\/li\u003e\n              \u003cli\u003eSubculture promptly after enrichment\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv style=\"background:#fef2f2;padding:20px;border-radius:16px;border-left:5px solid #dc2626;\"\u003e\n            \u003ch4 style=\"color:#991b1b;margin:0 0 12px 0;font-size:16px;\"\u003eInterpretation\u003c\/h4\u003e\n            \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#7f1d1d;\"\u003e\n              \u003cli\u003e\n\u003cstrong\u003ePositive enrichment:\u003c\/strong\u003e visible turbidity or evidence of growth in the broth\u003c\/li\u003e\n              \u003cli\u003eThis is an \u003cstrong\u003eenrichment medium\u003c\/strong\u003e, not a direct differential confirmation broth\u003c\/li\u003e\n              \u003cli\u003eSubculture onto XLD Agar, Brilliant Green Agar, SS Agar, Hektoen, or suitable chromogenic Salmonella agar\u003c\/li\u003e\n              \u003cli\u003eInterpret final results in combination with colony morphology, biochemical confirmation, and serological or molecular testing as required\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- COMPARATIVE TABLE --\u003e\n      \u003csection style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:22px;margin:0 0 20px 0;padding-bottom:10px;border-bottom:3px solid #dc2626;\"\u003eComparative Salmonella Enrichment \u0026amp; Isolation Workflow\u003c\/h3\u003e\n        \u003cdiv style=\"overflow-x:auto;\"\u003e\n          \u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;border:1px solid #f2d6d0;background:#fff;min-width:980px;\"\u003e\n            \u003cthead style=\"background:#fef2f2;\"\u003e\n              \u003ctr\u003e\n                \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003eMedium \/ Step\u003c\/th\u003e\n                \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003ePrimary Purpose\u003c\/th\u003e\n                \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003eSelectivity\u003c\/th\u003e\n                \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003eBest Use Case\u003c\/th\u003e\n                \u003cth style=\"padding:12px;text-align:left;border-bottom:2px solid #f2d6d0;\"\u003eKey Advantage\u003c\/th\u003e\n              \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n              \u003ctr style=\"background:#fff7f5;border-bottom:1px solid #f2d6d0;\"\u003e\n                \u003ctd style=\"padding:12px;font-weight:700;color:#b91c1c;\"\u003eSelenite Cystine Broth (AS-1346)\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eSelective enrichment\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eModerate to high\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eInjured, stressed, or low-level \u003cem\u003eSalmonella\u003c\/em\u003e\n\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eImproved recovery with L-cystine support\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr style=\"border-bottom:1px solid #f2d6d0;\"\u003e\n                \u003ctd style=\"padding:12px;\"\u003eRappaport-Vassiliadis Broth\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eSelective enrichment\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eHigh\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eRobust \u003cem\u003eSalmonella\u003c\/em\u003e strains in food workflows\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eStrong selectivity against competing flora\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr style=\"border-bottom:1px solid #f2d6d0;\"\u003e\n                \u003ctd style=\"padding:12px;\"\u003eBuffered Peptone Water\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003ePre-enrichment\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eLow \/ non-selective\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eResuscitation before selective enrichment\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eGentle recovery of injured organisms\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr style=\"border-bottom:1px solid #f2d6d0;\"\u003e\n                \u003ctd style=\"padding:12px;\"\u003eXLD Agar\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eSelective isolation\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eHigh\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003ePost-enrichment plating\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eDifferential colony appearance with H₂S indication\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr\u003e\n                \u003ctd style=\"padding:12px;\"\u003eBrilliant Green Agar \/ SS Agar\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eSelective isolation\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eHigh\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eSecondary plating and confirmation workflows\u003c\/td\u003e\n                \u003ctd style=\"padding:12px;\"\u003eStrong inhibition of competing flora\u003c\/td\u003e\n              \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n          \u003c\/table\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- WORKFLOW --\u003e\n      \u003csection style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:22px;margin:0 0 20px 0;padding-bottom:10px;border-bottom:3px solid #dc2626;\"\u003eRecommended Salmonella Detection Workflow\u003c\/h3\u003e\n\n        \u003cdiv style=\"background:#ffffff;padding:20px;border-radius:16px;border:1px solid #f2d6d0;\"\u003e\n          \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:15px;\"\u003e\n            \u003cdiv style=\"background:#eff6ff;padding:15px;border-radius:12px;border-left:4px solid #2563eb;\"\u003e\n              \u003cstrong style=\"color:#1d4ed8;\"\u003e1. Pre-Enrichment\u003c\/strong\u003e\u003cbr\u003e\n              \u003cspan style=\"font-size:14px;color:#475569;\"\u003eUse Buffered Peptone Water when samples may contain heavily stressed cells\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv style=\"background:#fff7f5;padding:15px;border-radius:12px;border-left:4px solid #dc2626;\"\u003e\n              \u003cstrong style=\"color:#b91c1c;\"\u003e2. Selective Enrichment\u003c\/strong\u003e\u003cbr\u003e\n              \u003cspan style=\"font-size:14px;color:#475569;\"\u003eTransfer to Selenite Cystine Broth for selective multiplication of target organisms\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv style=\"background:#fefce8;padding:15px;border-radius:12px;border-left:4px solid #ca8a04;\"\u003e\n              \u003cstrong style=\"color:#a16207;\"\u003e3. Selective Plating\u003c\/strong\u003e\u003cbr\u003e\n              \u003cspan style=\"font-size:14px;color:#475569;\"\u003eSubculture onto XLD, BGA, SS, or chromogenic Salmonella agar\u003c\/span\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv style=\"background:#ecfdf5;padding:15px;border-radius:12px;border-left:4px solid #16a34a;\"\u003e\n              \u003cstrong style=\"color:#15803d;\"\u003e4. Confirmation\u003c\/strong\u003e\u003cbr\u003e\n              \u003cspan style=\"font-size:14px;color:#475569;\"\u003eConfirm by biochemical, serological, or molecular methods\u003c\/span\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv style=\"background:#fff7f5;padding:15px;border-radius:10px;margin-top:15px;border:1px solid #fcd4cd;font-size:14px;color:#7f1d1d;\"\u003e\n            \u003cstrong\u003ePractical note:\u003c\/strong\u003e Selenite Cystine Broth is especially useful when target cells may be sublethally injured and require a gentler selective enrichment step than more aggressive alternatives.\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- PROS CONS --\u003e\n      \u003csection style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:22px;margin:0 0 20px 0;padding-bottom:10px;border-bottom:3px solid #dc2626;\"\u003eStrategic Use of Selenite Cystine Broth\u003c\/h3\u003e\n        \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;\"\u003e\n          \u003cdiv style=\"background:#e8f5e8;padding:20px;border-radius:16px;border:1px solid #c8e6c9;\"\u003e\n            \u003ch4 style=\"color:#166534;margin:0 0 15px 0;font-size:16px;\"\u003eKey Advantages\u003c\/h4\u003e\n            \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#166534;\"\u003e\n              \u003cli\u003eImproved recovery of injured or stressed \u003cem\u003eSalmonella\u003c\/em\u003e\n\u003c\/li\u003e\n              \u003cli\u003eUseful for low-level contamination workflows\u003c\/li\u003e\n              \u003cli\u003eWell suited to food microbiology and public health testing\u003c\/li\u003e\n              \u003cli\u003eCompatible with multiple downstream plating media\u003c\/li\u003e\n              \u003cli\u003eRapid enrichment compared with longer broth workflows\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv style=\"background:#fff3e0;padding:20px;border-radius:16px;border:1px solid #fed7aa;\"\u003e\n            \u003ch4 style=\"color:#c2410c;margin:0 0 15px 0;font-size:16px;\"\u003eMethod Considerations\u003c\/h4\u003e\n            \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#c2410c;\"\u003e\n              \u003cli\u003eDo not autoclave the completed broth\u003c\/li\u003e\n              \u003cli\u003eExcessive incubation can reduce target recovery\u003c\/li\u003e\n              \u003cli\u003eBroth turbidity is presumptive only and requires subculture\u003c\/li\u003e\n              \u003cli\u003eBackground flora suppression may vary with sample type and load\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv style=\"background:#fef2f2;padding:20px;border-radius:16px;border:1px solid #fecaca;\"\u003e\n            \u003ch4 style=\"color:#b91c1c;margin:0 0 15px 0;font-size:16px;\"\u003eSelection Guide\u003c\/h4\u003e\n            \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#991b1b;\"\u003e\n              \u003cli\u003eUse when \u003cem\u003eSalmonella\u003c\/em\u003e may be stressed or damaged\u003c\/li\u003e\n              \u003cli\u003eChoose as a selective enrichment before XLD or BGA plating\u003c\/li\u003e\n              \u003cli\u003eConsider alongside pre-enrichment for highly processed samples\u003c\/li\u003e\n              \u003cli\u003eUseful where stronger enrichment systems may over-inhibit\u003c\/li\u003e\n            \u003c\/ul\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- QC --\u003e\n      \u003csection style=\"background:linear-gradient(135deg,#fff7f5 0%,#ffe2dc 100%);padding:20px;border-radius:16px;border-left:5px solid #dc2626;\"\u003e\n        \u003ch4 style=\"color:#7f1d1d;margin:0 0 15px 0;font-size:16px;\"\u003eQuality Control \u0026amp; Performance Standards\u003c\/h4\u003e\n        \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:15px;font-size:14px;color:#374151;\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#dc2626;\"\u003ePositive Control:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan\u003e\u003cem\u003eSalmonella Typhimurium\u003c\/em\u003e — expected good enrichment \/ turbidity\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#dc2626;\"\u003eNegative Control:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan\u003e\u003cem\u003eEscherichia coli\u003c\/em\u003e — expected inhibited or minimal growth\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#dc2626;\"\u003eReference Standards:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan\u003eFDA-BAM, USP \u0026lt;62\u0026gt;, EP 2.6.13, APHA\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#dc2626;\"\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan\u003eCertificate of Analysis and lot-specific QC data available on request\u003c\/span\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- RIGHT --\u003e\n    \u003caside\u003e\n      \u003cdiv style=\"background:#ffffff;padding:20px;border-radius:16px;border:1px solid #f2d6d0;margin-bottom:25px;box-shadow:0 2px 10px rgba(15,23,42,.06);\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:18px;margin:0 0 12px 0;\"\u003eProduct Snapshot\u003c\/h3\u003e\n        \u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;\"\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:6px 4px;color:#64748b;\"\u003eProduct Name\u003c\/td\u003e\n            \u003ctd style=\"padding:6px 4px;font-weight:600;color:#111827;\"\u003eSelenite Cystine Broth\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:6px 4px;color:#64748b;\"\u003eCatalog Number\u003c\/td\u003e\n            \u003ctd style=\"padding:6px 4px;font-weight:600;color:#111827;\"\u003eAS-1346\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:6px 4px;color:#64748b;\"\u003eFormat\u003c\/td\u003e\n            \u003ctd style=\"padding:6px 4px;color:#111827;\"\u003eDehydrated enrichment medium\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:6px 4px;color:#64748b;\"\u003eIntended Use\u003c\/td\u003e\n            \u003ctd style=\"padding:6px 4px;color:#111827;\"\u003eSelective enrichment of \u003cem\u003eSalmonella\u003c\/em\u003e\n\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:6px 4px;color:#64748b;\"\u003eTypical Workflow\u003c\/td\u003e\n            \u003ctd style=\"padding:6px 4px;color:#111827;\"\u003eEnrichment before selective plating\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding:6px 4px;color:#64748b;\"\u003eHS Code\u003c\/td\u003e\n            \u003ctd style=\"padding:6px 4px;color:#111827;\"\u003e3821.00.00\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fff7f5;padding:20px;border-radius:16px;border:1px solid #f2d6d0;margin-bottom:25px;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:18px;margin:0 0 12px 0;\"\u003eStorage \u0026amp; Shelf Life\u003c\/h3\u003e\n        \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#374151;\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003eDehydrated medium:\u003c\/strong\u003e Store tightly closed in a cool, dry place.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003ePrepared broth:\u003c\/strong\u003e Use fresh wherever possible for best selectivity.\u003c\/li\u003e\n          \u003cli\u003eProtect from excessive heat and prolonged storage after preparation.\u003c\/li\u003e\n          \u003cli\u003eDo not autoclave prepared broth.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fef2f2;padding:20px;border-radius:16px;border:1px solid #fecaca;margin-bottom:25px;\"\u003e\n        \u003ch3 style=\"color:#b91c1c;font-size:18px;margin:0 0 12px 0;\"\u003eWarnings \u0026amp; Precautions\u003c\/h3\u003e\n        \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#7f1d1d;\"\u003e\n          \u003cli\u003eFor laboratory use only.\u003c\/li\u003e\n          \u003cli\u003eHandle inoculated media as potentially infectious.\u003c\/li\u003e\n          \u003cli\u003eSelenite-containing media should be handled with appropriate laboratory care and PPE.\u003c\/li\u003e\n          \u003cli\u003eDispose of used media according to institutional biosafety and chemical disposal procedures.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#ffffff;padding:20px;border-radius:16px;border:1px solid #f2d6d0;\"\u003e\n        \u003ch3 style=\"color:#7f1d1d;font-size:18px;margin:0 0 12px 0;\"\u003eWorkflow Integration\u003c\/h3\u003e\n        \u003cp style=\"font-size:14px;color:#4b5563;margin:0 0 10px 0;\"\u003e\n          Selenite Cystine Broth is designed to fit into a complete Salmonella detection workflow.\n        \u003c\/p\u003e\n        \u003cul style=\"margin:0;padding-left:18px;font-size:14px;color:#4b5563;\"\u003e\n          \u003cli\u003eUse after pre-enrichment when recovery of stressed cells is critical\u003c\/li\u003e\n          \u003cli\u003eSubculture onto XLD Agar, Brilliant Green Agar, SS Agar, or chromogenic Salmonella media\u003c\/li\u003e\n          \u003cli\u003eFollow with biochemical, serological, or molecular confirmation\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/aside\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ausamics Life Science","offers":[{"title":"100 g","offer_id":48383040094463,"sku":"AS-1346-100G","price":35.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":48383040127231,"sku":"AS-1346-500G","price":95.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/AuSaMicS_AS-1346_Selenite_Cystine_Broth.jpg?v=1775697861","url":"https:\/\/ausamics.com.au\/products\/selenite-cystine-broth","provider":"AuSaMicS","version":"1.0","type":"link"}