{"product_id":"thioglycollate-broth-tgb","title":"Thioglycollate Broth (TGB) | Fluid Thioglycollate Medium for Aerobic \u0026 Anaerobic Bacteria","description":"\u003cstyle\u003e\n.wrap{font-family:-apple-system,'DM Sans',sans-serif;color:#1e1c18;max-width:800px;line-height:1.6;padding:1rem 0}\n.intro{font-size:14px;line-height:1.8;color:#4a4640;margin-bottom:24px;padding:18px 22px;background:#f8f4ee;border-left:4px solid #2d5a3d;border-radius:3px}\n.intro strong{color:#1a3a2a}\n.section{margin-bottom:28px}\n.heading{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:#2d5a3d;margin-bottom:14px;padding-bottom:7px;border-bottom:2px solid #c9a84c;display:inline-block}\n.au-table{width:100%;border-collapse:collapse;font-size:13px}\n.au-table tr{border-bottom:1px solid #e8e4dc}\n.au-table td{padding:10px 14px;vertical-align:top}\n.au-table td:first-child{width:220px;font-weight:500;color:#4a4640;background:#f5f3ee;font-size:12.5px}\n.au-table td:last-child{color:#1e1c18;font-weight:500}\n.comp-table{width:100%;border-collapse:collapse;font-size:12.5px}\n.comp-table th{background:#1a3a2a;color:#e8c96a;padding:9px 12px;text-align:left;font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.06em}\n.comp-table tr{border-bottom:1px solid #e8e4dc}\n.comp-table td{padding:9px 12px;vertical-align:middle;color:#1e1c18}\n.comp-table tr:nth-child(even) td{background:#f8f4ee}\n.apps{display:grid;grid-template-columns:1fr 1fr;gap:10px}\n.app{background:#f0f4f1;border:1px solid #c8d8cc;border-left:3px solid #2d5a3d;border-radius:3px;padding:10px 14px;font-size:13px;color:#1a3a2a;font-weight:500}\n.app::before{content:'→ ';color:#c9a84c;font-weight:500}\n.feats{display:flex;flex-direction:column;gap:8px}\n.feat{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#4a4640;padding:8px 12px;background:#f8f4ee;border-radius:3px}\n.feat::before{content:'✓';color:#2d5a3d;font-weight:500;flex-shrink:0;margin-top:1px}\n.prep-steps{display:flex;flex-direction:column;gap:6px}\n.prep-step{display:flex;align-items:flex-start;gap:12px;font-size:13px;color:#4a4640}\n.prep-num{background:#2d5a3d;color:#e8c96a;font-weight:500;font-size:12px;min-width:24px;height:24px;border-radius:3px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}\n.stor{display:flex;flex-direction:column;gap:8px}\n.stor-item{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#4a4640}\n.stor-item::before{content:'✓';color:#2d5a3d;font-weight:500;flex-shrink:0}\n.interp-table{width:100%;border-collapse:collapse;font-size:13px}\n.interp-table th{background:#1a3a2a;color:#e8c96a;padding:8px 12px;text-align:left;font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.06em}\n.interp-table td{padding:9px 12px;border-bottom:1px solid #e8e4dc;vertical-align:middle}\n.interp-table tr:nth-child(even) td{background:#f8f4ee}\n.notice{background:#f0f4f1;border:1px solid #b8ccbe;border-left:4px solid #2d5a3d;border-radius:3px;padding:16px 20px;font-size:13px;color:#4a4640;line-height:1.65}\n.warn{background:#fffbf0;border:1px solid #e8c96a;border-left:4px solid #c9a84c;border-radius:3px;padding:14px 18px;font-size:13px;color:#5a4a20;line-height:1.65}\n.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}\n.badge{display:flex;align-items:center;gap:7px;background:#1a3a2a;color:#e8c96a;font-size:12px;font-weight:500;padding:8px 14px;border-radius:3px;letter-spacing:.04em}\n@media(max-width:600px){.apps{grid-template-columns:1fr}.au-table td:first-child{width:130px}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"wrap\"\u003e\n\n  \u003cdiv class=\"intro\"\u003e\n    \u003cstrong\u003eAuSaMicS Thioglycollate Broth — TGB (CAT: AS-1363)\u003c\/strong\u003e is a general-purpose, highly enriched culture medium designed for the simultaneous cultivation of \u003cstrong\u003eaerobic, microaerophilic, and anaerobic microorganisms\u003c\/strong\u003e. Sodium thioglycollate and L-cystine create a stable reducing environment, while resazurin acts as a visual redox indicator — turning pink when oxygen penetrates the medium. TGB is the standard medium for pharmaceutical sterility testing and widely used in clinical microbiology and environmental analysis.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eProduct specifications\u003c\/div\u003e\n    \u003ctable class=\"au-table\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCatalog number\u003c\/td\u003e\n\u003ctd\u003eAS-1363\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eDehydrated powder\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eResearch \/ Diagnostic Grade\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFinal pH (25°C)\u003c\/td\u003e\n\u003ctd\u003e7.1 ± 0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSterilization\u003c\/td\u003e\n\u003ctd\u003eAutoclave at 121°C for 15 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e3821.00.00\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eComposition (per litre)\u003c\/div\u003e\n    \u003ctable class=\"comp-table\"\u003e\n      \u003ctr\u003e\n\u003cth\u003eIngredient\u003c\/th\u003e\n\u003cth\u003eg \/ L\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePancreatic digest of casein\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15.000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNitrogen, carbon and amino acid source\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYeast extract\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5.000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVitamins and growth factors\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSodium chloride\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5.000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOsmotic balance\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDextrose\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2.500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFermentable carbon source\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSodium thioglycollate\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReducing agent — creates anaerobic zone\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eL-Cystine\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReduces oxidation-reduction potential\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eResazurin\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRedox indicator — turns pink with O₂\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAgar (semi-solid, optional)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRetards diffusion of oxygen\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePurified water\u003c\/td\u003e\n\u003ctd\u003eq.s. to 1 L\u003c\/td\u003e\n\u003ctd\u003eSolvent\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eKey features\u003c\/div\u003e\n    \u003cdiv class=\"feats\"\u003e\n      \u003cdiv class=\"feat\"\u003eSupports diverse oxygen requirements — simultaneous cultivation of obligate anaerobes, microaerophiles, and aerobes in a single tube\u003c\/div\u003e\n      \u003cdiv class=\"feat\"\u003eResazurin redox indicator — visually indicates oxygen penetration (colourless\/light pink in fresh medium; pink at surface when oxygenated)\u003c\/div\u003e\n      \u003cdiv class=\"feat\"\u003eHighly nutritious base — pancreatic digest of casein and yeast extract support fastidious and non-fastidious organisms\u003c\/div\u003e\n      \u003cdiv class=\"feat\"\u003eStable reducing environment — sodium thioglycollate and L-cystine maintain low-oxygen conditions for anaerobic growth\u003c\/div\u003e\n      \u003cdiv class=\"feat\"\u003eSemi-solid option — 0.5 g\/L agar retards oxygen diffusion for enhanced anaerobic performance\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eApplications\u003c\/div\u003e\n    \u003cdiv class=\"apps\"\u003e\n      \u003cdiv class=\"app\"\u003eSterility testing — pharmaceuticals, cosmetics, and medical devices (USP\/EP\/BP)\u003c\/div\u003e\n      \u003cdiv class=\"app\"\u003eCultivation of obligate and facultative anaerobes and microaerophiles\u003c\/div\u003e\n      \u003cdiv class=\"app\"\u003eEnrichment of anaerobic pathogens from clinical and environmental specimens\u003c\/div\u003e\n      \u003cdiv class=\"app\"\u003eMicrobial quality control in food and water testing\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003ePreparation\u003c\/div\u003e\n    \u003cdiv class=\"prep-steps\"\u003e\n      \u003cdiv class=\"prep-step\"\u003e\n\u003cdiv class=\"prep-num\"\u003e1\u003c\/div\u003e\n\u003cdiv\u003eDissolve the medium in purified water and heat with agitation until completely dissolved.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"prep-step\"\u003e\n\u003cdiv class=\"prep-num\"\u003e2\u003c\/div\u003e\n\u003cdiv\u003eDispense into tubes, flasks, or bottles as required.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"prep-step\"\u003e\n\u003cdiv class=\"prep-num\"\u003e3\u003c\/div\u003e\n\u003cdiv\u003eSterilize by autoclaving at 121°C for 15 minutes.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"prep-step\"\u003e\n\u003cdiv class=\"prep-num\"\u003e4\u003c\/div\u003e\n\u003cdiv\u003eCool to room temperature and minimize oxygen exposure for anaerobic work.\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"prep-step\"\u003e\n\u003cdiv class=\"prep-num\"\u003e5\u003c\/div\u003e\n\u003cdiv\u003eDo not heat prepared medium more than once. Use freshly prepared medium for best performance.\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eIncubation \u0026amp; result interpretation\u003c\/div\u003e\n    \u003cp style=\"font-size:13px;color:#555;margin:0 0 12px;\"\u003eTemperature: 30–37°C (organism dependent)  |  Duration: 24–72 hours\u003c\/p\u003e\n    \u003ctable class=\"interp-table\"\u003e\n      \u003ctr\u003e\n\u003cth\u003eObservation\u003c\/th\u003e\n\u003cth\u003eInterpretation\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGrowth at the bottom of the tube\u003c\/td\u003e\n\u003ctd\u003eObligate anaerobes\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGrowth throughout the tube\u003c\/td\u003e\n\u003ctd\u003eFacultative anaerobes\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGrowth near the surface\u003c\/td\u003e\n\u003ctd\u003eAerobes or microaerophiles\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePink colour in medium\u003c\/td\u003e\n\u003ctd\u003eOxygen penetration — resazurin oxidation\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNo growth (sterility test)\u003c\/td\u003e\n\u003ctd\u003eSterile — product passes sterility requirement\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eStorage\u003c\/div\u003e\n    \u003cdiv class=\"stor\"\u003e\n      \u003cdiv class=\"stor-item\"\u003ePowdered medium: 15–30°C, dry and tightly sealed\u003c\/div\u003e\n      \u003cdiv class=\"stor-item\"\u003ePrepared medium: 2–8°C, protected from light\u003c\/div\u003e\n      \u003cdiv class=\"stor-item\"\u003eStable under recommended conditions — refer to product label for shelf life\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eIntended use\u003c\/div\u003e\n    \u003cdiv class=\"warn\"\u003e\n      For laboratory use only by qualified professionals. Not intended for human, animal, or food consumption. Users are responsible for validation of this medium for their specific application.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cdiv class=\"heading\"\u003eQuality \u0026amp; compliance\u003c\/div\u003e\n    \u003cdiv class=\"notice\"\u003e\n      Manufactured and tested to research and diagnostic grade standards. Full batch-specific Certificate of Analysis (COA), Technical Data Sheet (TDS), and Safety Data Sheet (SDS) available upon request. For bulk quantities or contract pricing, contact \u003ca href=\"mailto:support@ausamics.com\" style=\"color:#2d5a3d;font-weight:500;\"\u003esupport@ausamics.com\u003c\/a\u003e or visit \u003ca href=\"https:\/\/www.ausamics.com.au\" style=\"color:#2d5a3d;font-weight:500;\"\u003eausamics.com.au\u003c\/a\u003e.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"badges\"\u003e\n    \u003cdiv class=\"badge\"\u003e✓ Research \/ Diagnostic grade\u003c\/div\u003e\n    \u003cdiv class=\"badge\"\u003e✓ COA available\u003c\/div\u003e\n    \u003cdiv class=\"badge\"\u003e✓ Ships from Australia\u003c\/div\u003e\n    \u003cdiv class=\"badge\"\u003e✓ 1–3 day delivery\u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Ausamics Life Science","offers":[{"title":"250 g","offer_id":48285680173311,"sku":"AS-1363-250G","price":75.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":48285680206079,"sku":"AS-1363-500G","price":145.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/Thioglycollate_Broth_TGB.png?v=1773399067","url":"https:\/\/ausamics.com.au\/products\/thioglycollate-broth-tgb","provider":"AuSaMicS","version":"1.0","type":"link"}