{"product_id":"fraser-listeria-selective-enrichment-broth-base","title":"Fraser Listeria Selective Enrichment Broth (Base) | ISO 11290 Compliant","description":"\u003cdiv style=\"font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; color: #1d2935; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"aus-nutrient-product\"\u003e\n    \u003cdiv style=\"background: linear-gradient(135deg, #fdfaf1 0%, #f7f0d5 100%); border-radius: 18px; padding: 40px; margin-bottom: 30px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); border: 1px solid #e9d8a6; border-left: 8px solid #9b2226;\" class=\"aus-hero-section\"\u003e\n        \u003cdiv class=\"aus-hero-grid\" style=\"display: grid; grid-template-columns: 1fr auto; 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: #ae2012; font-weight: bold; margin-bottom: 12px; background: #fff; padding: 6px 12px; border-radius: 20px; border: 1px solid #e9d8a6;\"\u003eAuSaMicS Life Science • Pathogen Surveillance\u003c\/div\u003e\n                \u003ch1 style=\"color: #001219; margin: 0 0 8px 0; font-size: 32px; font-weight: bold;\"\u003eFraser Listeria Selective Enrichment Broth (Base)\u003c\/h1\u003e\n                \u003ch2 style=\"color: #9b2226; margin: 0 0 15px 0; font-weight: 400; font-size: 20px; opacity: 0.9;\"\u003eSecondary Enrichment \u0026amp; Detection of Listeria\u003c\/h2\u003e\n                \u003cp style=\"font-size: 17px; margin: 0 0 20px 0; color: #001219; max-width: 600px; font-weight: 500;\"\u003eA specialized \u003cstrong\u003eselective enrichment medium\u003c\/strong\u003e for the detection of \u003ci\u003eListeria monocytogenes\u003c\/i\u003e in food and environmental samples. Formulated to provide rapid growth while inhibiting competing microflora through a high-salt, multi-antibiotic matrix.\u003c\/p\u003e\n                \u003cdiv style=\"display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px;\"\u003e\n                    \u003cspan style=\"background: #9b2226; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003eAS-1235\u003c\/span\u003e \n                    \u003cspan style=\"background: #fff; border: 2px solid #9b2226; color: #9b2226; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e🧪 ISO 11290-1 Compliant\u003c\/span\u003e \n                    \u003cspan style=\"background: #001219; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e✓ Esculin Indicator\u003c\/span\u003e \n                    \u003cspan style=\"background: #fff; border: 1px solid #d1d5db; color: #374151; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e🔬 High Selectivity\u003c\/span\u003e\n                \u003c\/div\u003e\n                \u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; color: #9b2226;\"\u003e\n                    \u003cspan\u003e\u003cstrong\u003eReaction:\u003c\/strong\u003e Iron-Esculin Blackening\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eIncubation:\u003c\/strong\u003e 37°C \/ 24-48h\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003ePrep:\u003c\/strong\u003e 54.9g\/L Yield\u003c\/span\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"aus-guarantee\" style=\"background: #fff; padding: 25px; border-radius: 18px; box-shadow: 0 6px 20px rgba(0,0,0,0.1); min-width: 280px; border: 1px solid #e9d8a6;\"\u003e\n                \u003ch4 style=\"color: #001219; margin: 0 0 15px 0; text-align: center; font-size: 16px;\"\u003e Listeria Specialist\u003c\/h4\u003e\n                \u003cdiv style=\"font-size: 14px; color: #001219; text-align: center; line-height: 1.5;\"\u003e\n                    \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eVisual Detection\u003c\/strong\u003e - Rapid blackening response\u003c\/div\u003e\n                    \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eDual Enrichment\u003c\/strong\u003e - Supports Half \u0026amp; Full Fraser\u003c\/div\u003e\n                    \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eBroad Suppression\u003c\/strong\u003e - Inhibits Enterococci \u0026amp; Bacilli\u003c\/div\u003e\n                    \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eISO Standard\u003c\/strong\u003e - Validated for global exports\u003c\/div\u003e\n                \u003c\/div\u003e\n                \u003cdiv style=\"margin-top: 20px; padding: 15px; background: #fdfaf1; border-radius: 12px; text-align: center; border: 1px solid #e9d8a6;\"\u003e\n                    \u003cdiv style=\"color: #9b2226; font-weight: 600; font-size: 14px;\"\u003eModified Fraser Formula\u003c\/div\u003e\n                    \u003cdiv style=\"color: #001219; font-size: 13px; margin-top: 5px;\"\u003ePrimary Food Safety Standard\u003c\/div\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"aus-main-grid\" style=\"display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; margin-bottom: 40px;\"\u003e\n        \u003cdiv\u003e\n            \u003cdiv style=\"margin-bottom: 35px;\"\u003e\n                \u003ch3 style=\"color: #001219; font-size: 22px; margin: 0 0 15px 0; padding-bottom: 10px; border-bottom: 3px solid #9b2226;\"\u003e🧪 Formulation \u0026amp; Selective Profile\u003c\/h3\u003e\n                \u003cdiv style=\"background: #fafafa; padding: 20px; border-radius: 16px; border-left: 5px solid #9b2226; margin-bottom: 20px;\"\u003e\n                    \u003ch4 style=\"color: #001219; margin: 0 0 15px 0; font-size: 16px;\"\u003e📋 Formulation (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 #e5e5e5;\"\u003e\n                            \u003cthead style=\"background: #f5f5f5;\"\u003e\n                                \u003ctr\u003e\n                                    \u003cth style=\"padding: 12px; text-align: left;\"\u003eComponent\u003c\/th\u003e\n                                    \u003cth style=\"padding: 12px; text-align: left;\"\u003eConcentration\u003c\/th\u003e\n                                    \u003cth style=\"padding: 12px; text-align: left;\"\u003eRole\u003c\/th\u003e\n                                \u003c\/tr\u003e\n                            \u003c\/thead\u003e\n                            \u003ctbody\u003e\n                                \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                                    \u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eProteose Peptone \/ Casein\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003e10.0 g\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003eNitrogen \u0026amp; Vitamin source\u003c\/td\u003e\n                                \u003c\/tr\u003e\n                                \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                                    \u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eYeast Extract\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003e5.0 g\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003eEssential growth factors\u003c\/td\u003e\n                                \u003c\/tr\u003e\n                                \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                                    \u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eSodium Chloride\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003e20.0 g\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003eHigh osmotic selectivity\u003c\/td\u003e\n                                \u003c\/tr\u003e\n                                \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                                    \u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eLithium Chloride\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003e3.0 g\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003eSuppression of Enterococci\u003c\/td\u003e\n                                \u003c\/tr\u003e\n                                \u003ctr\u003e\n                                    \u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eEsculin \/ Ferric Ammonium Citrate\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003e1.5 g\u003c\/td\u003e\n                                    \u003ctd style=\"padding: 10px;\"\u003ePresumptive blackening system\u003c\/td\u003e\n                                \u003c\/tr\u003e\n                            \u003c\/tbody\u003e\n                        \u003c\/table\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv style=\"margin-bottom: 35px;\"\u003e\n                \u003ch3 style=\"color: #001219; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #9b2226;\"\u003eDiagnostic Workflow\u003c\/h3\u003e\n                \u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px;\"\u003e\n                    \u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #e5e5e5; border-top: 4px solid #9b2226;\"\u003e\n                        \u003ch4 style=\"margin: 0 0 10px 0; font-size: 16px;\"\u003eBlackening Response\u003c\/h4\u003e\n                        \u003cp style=\"font-size: 13px; margin: 0;\"\u003e\u003ci\u003eListeria\u003c\/i\u003e hydrolyze Esculin to Esculetin, which reacts with iron to form a \u003cstrong\u003eblack complex\u003c\/strong\u003e.\u003c\/p\u003e\n                    \u003c\/div\u003e\n                    \u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #e5e5e5; border-top: 4px solid #001219;\"\u003e\n                        \u003ch4 style=\"margin: 0 0 10px 0; font-size: 16px;\"\u003eFlexible Enrichment\u003c\/h4\u003e\n                        \u003cp style=\"font-size: 13px; margin: 0;\"\u003eUse as Half-Fraser (primary) or Full-Fraser (secondary) by adjusting selective antibiotic concentration.\u003c\/p\u003e\n                    \u003c\/div\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv\u003e\n            \u003cdiv style=\"background: #fff; padding: 25px; border-radius: 18px; border: 1px solid #e9d8a6; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin-bottom: 30px;\"\u003e\n                \u003ch3 style=\"color: #001219; margin: 0 0 20px 0; font-size: 18px; text-align: center;\"\u003e📋 Technical Profile\u003c\/h3\u003e\n                \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n                    \u003ctbody\u003e\n                        \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                            \u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #fdfaf1;\"\u003eCatalogue No.\u003c\/td\u003e\n                            \u003ctd style=\"padding: 12px 8px;\"\u003eAS-1235\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                            \u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #fdfaf1;\"\u003eFinal pH\u003c\/td\u003e\n                            \u003ctd style=\"padding: 12px 8px;\"\u003e7.2 ± 0.2\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr style=\"border-bottom: 1px solid #f5f5f5;\"\u003e\n                            \u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #fdfaf1;\"\u003ePreparation\u003c\/td\u003e\n                            \u003ctd style=\"padding: 12px 8px;\"\u003e54.9g per Liter\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                        \u003ctr\u003e\n                            \u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #fdfaf1;\"\u003eCompliance\u003c\/td\u003e\n                            \u003ctd style=\"padding: 12px 8px;\"\u003eISO 11290-1\u003c\/td\u003e\n                        \u003c\/tr\u003e\n                    \u003c\/tbody\u003e\n                \u003c\/table\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv style=\"background: #001219; padding: 25px; border-radius: 18px; color: #fff; margin-bottom: 30px;\"\u003e\n                \u003ch4 style=\"color: #e9d8a6; margin: 0 0 15px 0; font-size: 16px; text-align: center;\"\u003e⚗️ Laboratory Prep\u003c\/h4\u003e\n                \u003col style=\"list-style: none; padding: 0; margin: 0; counter-reset: steps;\"\u003e\n                    \u003cli style=\"padding: 8px 0; font-size: 14px; counter-increment: steps; position: relative; padding-left: 35px;\"\u003e\n                        \u003cspan style=\"position: absolute; left: 0; top: 8px; background: #9b2226; color: #fff; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e1\u003c\/span\u003e Suspend \u003cstrong\u003e54.9g\u003c\/strong\u003e in 1L deionized water.\n                    \u003c\/li\u003e\n                    \u003cli style=\"padding: 8px 0; font-size: 14px; counter-increment: steps; position: relative; padding-left: 35px;\"\u003e\n                        \u003cspan style=\"position: absolute; left: 0; top: 8px; background: #9b2226; color: #fff; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e2\u003c\/span\u003e Autoclave at \u003cstrong\u003e121°C for 15 min\u003c\/strong\u003e.\n                    \u003c\/li\u003e\n                    \u003cli style=\"padding: 8px 0; font-size: 14px; counter-increment: steps; position: relative; padding-left: 35px;\"\u003e\n                        \u003cspan style=\"position: absolute; left: 0; top: 8px; background: #9b2226; color: #fff; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e3\u003c\/span\u003e Cool and add \u003cstrong\u003eFraser Selective Supplements\u003c\/strong\u003e before use.\n                    \u003c\/li\u003e\n                \u003c\/ol\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #e9d8a6;\"\u003e\n                \u003ch4 style=\"color: #001219; margin: 0 0 15px 0; font-size: 16px; text-align: center;\"\u003e📄 Documentation\u003c\/h4\u003e\n                \u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 10px;\"\u003e\n                    \u003ca style=\"display: block; padding: 12px; background: #fdfaf1; color: #9b2226; text-decoration: none; border-radius: 10px; text-align: center; font-size: 13px; font-weight: 600; border: 1px solid #9b2226;\" href=\"#\"\u003e📋 View COA\u003c\/a\u003e \n                    \u003ca style=\"display: block; padding: 12px; background: #fff; color: #9b2226; text-decoration: none; border-radius: 10px; text-align: center; font-size: 13px; font-weight: 600; border: 1px solid #9b2226;\" href=\"#\"\u003e⚠️ SDS\u003c\/a\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ausamics Life Science","offers":[{"title":"Default Title","offer_id":48030971068671,"sku":"AS-1235-500G","price":95.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/Fraser_Listeria_Selective_Enrichment_Broth.jpg?v=1776045569","url":"https:\/\/ausamics.com.au\/products\/fraser-listeria-selective-enrichment-broth-base","provider":"AuSaMicS","version":"1.0","type":"link"}