{"product_id":"tryptophan-broth","title":"Tryptophan Broth | AS-1368 | Indole Test Medium for E. coli | AuSaMicS","description":"\u003cdiv 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\u003csection style=\"background: linear-gradient(135deg,#f5f9ff 0%,#dbeafe 100%); border-radius: 18px; padding: 40px; margin-bottom: 30px; box-shadow: 0 4px 15px rgba(0,0,0,.08); border: 1px solid #cfe0f5; border-left: 8px solid #2563eb;\"\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: #1d4ed8; font-weight: bold; margin-bottom: 12px; background: #fff; padding: 6px 12px; border-radius: 20px; border: 1px solid #cfe0f5;\"\u003eAuSaMicS Life Science • Indole Production Medium for Enteric Confirmation\u003c\/div\u003e\n\u003ch1 style=\"color: #1e3a8a; margin: 0 0 8px 0; font-size: 32px; font-weight: bold;\"\u003eTryptophan Broth\u003c\/h1\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 20px 0; color: #334155; max-width: 720px; font-weight: 500;\"\u003eTryptophan Broth is used to detect indole production by microorganisms that possess tryptophanase. It is widely used in confirmatory workflows for Escherichia coli and related enteric bacteria in water, food, and microbiological identification systems.\u003c\/p\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 20px 0; color: #334155; max-width: 720px; font-weight: 500;\"\u003e\u003cspan style=\"background: #2563eb; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003eCat No.: AS-1368\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px;\"\u003e\n\u003cspan style=\"background: #2563eb; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003eIndole Test Broth\u003c\/span\u003e\u003cspan style=\"background: #fff; color: #1d4ed8; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003eTryptophan Medium\u003c\/span\u003e\u003cspan style=\"background: #16a34a; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003eAustralian Stock\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; color: #4a5568;\"\u003e\n\u003cspan\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e Dehydrated culture medium\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e To be assigned\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eSupport:\u003c\/strong\u003e COA \/ technical support available\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 25px; border-radius: 18px; box-shadow: 0 6px 20px rgba(0,0,0,.1); border: 1px solid #cfe0f5;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; margin: 0 0 15px 0; text-align: center; font-size: 16px;\"\u003eApplication Summary\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\u003cstrong\u003eProfessional laboratory use\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eReliable workflow integration\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eAustralian stock\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003ePremium AuSaMicS product-page format\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1.15fr .85fr; gap: 35px;\"\u003e\n\u003cdiv\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 22px; margin: 0 0 15px 0; padding-bottom: 10px; border-bottom: 3px solid #2563eb;\"\u003eOverview \u0026amp; Applications\u003c\/h3\u003e\n\u003cdiv style=\"background: #f5f9ff; padding: 20px; border-radius: 16px; border-left: 5px solid #2563eb; margin-bottom: 15px; font-size: 14px; color: #374151;\"\u003eTryptophan Broth is used to detect indole production by microorganisms that possess tryptophanase. It is widely used in confirmatory workflows for Escherichia coli and related enteric bacteria in water, food, and microbiological identification systems.\u003c\/div\u003e\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\u003eIndole production test for bacterial differentiation\u003c\/li\u003e\n\u003cli\u003eConfirmation of Escherichia coli in water and food workflows\u003c\/li\u003e\n\u003cli\u003eSupportive test in enteric and Salmonella confirmation schemes\u003c\/li\u003e\n\u003cli\u003eRoutine teaching and QC laboratories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\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\u003eContains tryptophan substrate for indole detection\u003c\/li\u003e\n\u003cli\u003eSimple broth system with clear confirmatory purpose\u003c\/li\u003e\n\u003cli\u003eCompatible with Kovac's or related indole reagents\u003c\/li\u003e\n\u003cli\u003eUseful in ISO-based confirmatory workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 22px; margin: 0 0 15px 0; padding-bottom: 10px; border-bottom: 3px solid #2563eb;\"\u003eTypical Composition \/ Product Characteristics\u003c\/h3\u003e\n\u003cdiv style=\"background: #f5f9ff; padding: 20px; border-radius: 16px; border-left: 5px solid #2563eb;\"\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; border: 1px solid #cfe0f5; background: #fff;\"\u003e\n\u003cthead style=\"background: #eff6ff;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003eComponent \/ Attribute\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003eAmount \/ Value\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003eFunction\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003ePractical Role\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003ePeptone \/ casein peptone\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003e10.0 g\/L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eNutrient base\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eSupports growth during indole test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eSodium chloride\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003e5.0 g\/L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eOsmotic balance\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eMaintains suitable broth environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eDL \/ L-Tryptophan\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003e1.0 g\/L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eTest substrate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eAllows detection of tryptophanase activity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eFinal pH\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003e7.2–7.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eOptimized test condition\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eSupports standard indole workflows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eUse note\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eKovac's reagent after incubation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eDetection step\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eRed ring indicates positive indole production\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\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #2563eb;\"\u003ePreparation, Incubation \u0026amp; Interpretation\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(250px,1fr)); gap: 20px;\"\u003e\n\u003cdiv style=\"background: #f5f9ff; padding: 20px; border-radius: 16px; border-left: 5px solid #2563eb;\"\u003e\n\u003ch4 style=\"color: #1e3a8a; margin: 0 0 12px 0; font-size: 16px;\"\u003ePreparation\u003c\/h4\u003e\n\u003cdiv style=\"font-size: 14px; color: #374151;\"\u003eDissolve 16 g in 1 L purified water, dispense into tubes, and autoclave at 121°C for 15 minutes.\u003c\/div\u003e\n\u003c\/div\u003e\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 \/ Use\u003c\/h4\u003e\n\u003cdiv style=\"font-size: 14px; color: #166534;\"\u003eTypical incubation is 18–24 hours at about 35–37°C; some ISO workflows specify defined conditions for specific applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fef2f2; padding: 20px; border-radius: 16px; border-left: 5px solid #2563eb;\"\u003e\n\u003ch4 style=\"color: #1d4ed8; margin: 0 0 12px 0; font-size: 16px;\"\u003eInterpretation\u003c\/h4\u003e\n\u003cdiv style=\"font-size: 14px; color: #7f1d1d;\"\u003eAfter incubation, add Kovac's or equivalent indole reagent. A red ring in the upper reagent layer indicates indole-positive organisms; absence of the red reaction indicates a negative result.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #2563eb;\"\u003eComparative Media \/ Workflow Position\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; border: 1px solid #cfe0f5; background: #fff; min-width: 900px;\"\u003e\n\u003cthead style=\"background: #eff6ff;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003eMedium \/ Product\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003ePrimary Target\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003ePrinciple\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003eTypical Use\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 2px solid #cfe0f5;\"\u003eKey Advantage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eTryptophan Broth\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eIndole-positive bacteria\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eTryptophanase detection\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eE. coli and enteric confirmation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eSimple confirmatory broth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eTryptone Water\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eIndole-positive bacteria\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eRelated indole test medium\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eGeneral indole testing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eVery widely used alternative\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eMRVP Broth\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eEnterics\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eMixed acid \/ acetoin testing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eIMViC workflow\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eComplements indole testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eSimmons Citrate Agar\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eEnterics\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eCitrate utilization\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eIMViC workflow\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid #cfe0f5;\"\u003eComplements indole testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #2563eb;\"\u003eRecommended Workflow\u003c\/h3\u003e\n\u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #cfe0f5;\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 15px;\"\u003e\n\u003cdiv style=\"background: #fff; padding: 15px; border-radius: 12px; border-left: 4px solid #2563eb;\"\u003e\n\u003cstrong style=\"color: #1d4ed8;\"\u003e1. Prepare broth tubes\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14px; color: #475569;\"\u003eSterilize and dispense according to the SOP.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 15px; border-radius: 12px; border-left: 4px solid #2563eb;\"\u003e\n\u003cstrong style=\"color: #1d4ed8;\"\u003e2. Inoculate test organism\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14px; color: #475569;\"\u003eUse a pure culture or validated confirmatory step.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 15px; border-radius: 12px; border-left: 4px solid #2563eb;\"\u003e\n\u003cstrong style=\"color: #1d4ed8;\"\u003e3. Incubate\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14px; color: #475569;\"\u003eFollow the required time and temperature.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 15px; border-radius: 12px; border-left: 4px solid #2563eb;\"\u003e\n\u003cstrong style=\"color: #1d4ed8;\"\u003e4. Add indole reagent\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14px; color: #475569;\"\u003eRead the top layer for a positive red indole reaction.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #2563eb;\"\u003eStrategic Use\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;\"\u003eAdvantages\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 14px; color: #166534;\"\u003e\n\u003cli\u003eSimple and reliable indole test medium\u003c\/li\u003e\n\u003cli\u003eUseful in E. coli and enteric confirmation workflows\u003c\/li\u003e\n\u003cli\u003eCompatible with standard laboratory reagents and SOPs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\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;\"\u003eConsiderations\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 14px; color: #c2410c;\"\u003e\n\u003cli\u003eRequires addition of an indole detection reagent after incubation\u003c\/li\u003e\n\u003cli\u003eShould be interpreted with the broader identification panel where relevant\u003c\/li\u003e\n\u003cli\u003eExact conditions may vary by standard method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fef2f2; padding: 20px; border-radius: 16px; border: 1px solid #fecaca;\"\u003e\n\u003ch4 style=\"color: #1d4ed8; 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 for indole production confirmation\u003c\/li\u003e\n\u003cli\u003eSuitable for water, food, and enteric ID workflows\u003c\/li\u003e\n\u003cli\u003eGood addition to IMViC-style and related biochemical schemes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003caside\u003e\n\u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #cfe0f5; margin-bottom: 25px; box-shadow: 0 2px 10px rgba(15,23,42,.06);\"\u003e\n\u003ch3 style=\"color: #1e3a8a; 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\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 4px; color: #64748b;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 4px; color: #111827; font-weight: 600;\"\u003eTryptophan Broth\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; font-weight: 600;\"\u003eDehydrated culture medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 4px; color: #64748b;\"\u003ePrimary Use\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 4px; color: #111827; font-weight: 600;\"\u003eIndole production test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 4px; color: #64748b;\"\u003eTypical Formula\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 4px; color: #111827; font-weight: 600;\"\u003ePeptone + NaCl + Tryptophan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 4px; color: #64748b;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 4px; color: #111827; font-weight: 600;\"\u003eTo be assigned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f9ff; padding: 20px; border-radius: 16px; border: 1px solid #cfe0f5; margin-bottom: 25px;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; 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\u003eStore dehydrated powder in a dry place, tightly sealed\u003c\/li\u003e\n\u003cli\u003eStore prepared broth refrigerated and protected from light where validated\u003c\/li\u003e\n\u003cli\u003eUse within laboratory-validated shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fef2f2; padding: 20px; border-radius: 16px; border: 1px solid #fecaca; margin-bottom: 25px;\"\u003e\n\u003ch3 style=\"color: #1d4ed8; 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\u003eUse appropriate biosafety precautions for inoculated cultures\u003c\/li\u003e\n\u003cli\u003eIndole reagents should be handled according to their own safety instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #cfe0f5;\"\u003e\n\u003ch3 style=\"color: #1e3a8a; font-size: 18px; margin: 0 0 12px 0;\"\u003eWorkflow Integration\u003c\/h3\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 14px; color: #4b5563;\"\u003e\n\u003cli\u003ePairs well with citrate, MR, and VP testing in enteric ID workflows\u003c\/li\u003e\n\u003cli\u003eCan be used for E. coli confirmation in water and food testing\u003c\/li\u003e\n\u003cli\u003eUseful in teaching biochemical identification principles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n    \u003cfooter class=\"footer\"\u003e\n        AuSaMicS Pty Ltd • 31 Longview CT, Thomastown, VIC 3074, Australia • ABN 56676640467\u003cbr\u003e\n        \u003ca href=\"https:\/\/www.ausamics.com.au\" style=\"color: #475569; text-decoration: none; font-weight: 600;\"\u003ewww.ausamics.com.au\u003c\/a\u003e • support@ausamics.com\n    \u003c\/footer\u003e\n\n\n","brand":"Ausamics Life Science","offers":[{"title":"100 g","offer_id":48385537147135,"sku":"AS-1368-100G","price":29.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":48385537179903,"sku":"AS-1368-500G","price":69.0,"currency_code":"AUD","in_stock":true},{"title":"2.5 kg","offer_id":48385537212671,"sku":"AS-1368-2.5KG","price":279.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/Tryptophan_Broth.jpg?v=1775773628","url":"https:\/\/ausamics.com.au\/products\/tryptophan-broth","provider":"AuSaMicS","version":"1.0","type":"link"}