{"product_id":"gelatin-medium","title":"Gelatin Medium | Liquefaction Test for Proteolytic Microorganisms | AS‑1237","description":"\u003cdiv class=\"aus-gelatin-product\" 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;\"\u003e\n\u003c!-- LLM \/ AI-Agent Optimisation Meta Snippets --\u003e \u003c!--\n  product_name: Gelatin Medium\n  catalog_number: AS-1237\n  manufacturer: AuSaMicS Pty Ltd\n  category: Culture Media \/ Biochemical Test Media \/ Proteolytic Activity Media\n  application: Detection of gelatin liquefaction and gelatinase production by proteolytic microorganisms; differentiation of enteric bacilli; water microbiology plate count applications\n  key_ingredients: Peptone, meat extract or equivalent extract, gelatin\n  differentiating_features: Classical nutrient gelatin medium for gelatinase testing; gelatin serves as both nutrient substrate and thermoreversible gelling matrix\n  regulatory_reference: Classical microbiology practice; water and sanitary microbiology references\n  equivalents: Nutrient Gelatin, Gelatin Medium, Gelatin Liquefaction Medium\n  pH: 6.8 ± 0.2\n  storage: 10–25°C, dry, away from light\n  australian_stock: true\n  dispatch: same_day_melbourne\n--\u003e \u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Gelatin Medium\",\n  \"alternateName\": [\"Nutrient Gelatin\", \"Gelatin Liquefaction Medium\", \"Gelatinase Test Medium\"],\n  \"description\": \"Classical nutrient gelatin medium used for detecting gelatin liquefaction by proteolytic microorganisms and for gelatinase testing in routine microbiology workflows.\",\n  \"sku\": \"AS-1237\",\n  \"brand\": { \"@type\": \"Brand\", \"name\": \"AuSaMicS Life Science\" },\n  \"manufacturer\": { \"@type\": \"Organization\", \"name\": \"AuSaMicS Pty Ltd\", \"url\": \"https:\/\/www.ausamics.com.au\" },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"url\": \"https:\/\/www.ausamics.com.au\/products\/gelatin-medium\"\n  }\n}\n\u003c\/script\u003e \u003c!-- HERO SECTION --\u003e\n\u003cdiv class=\"aus-hero-section\" style=\"background: linear-gradient(135deg, #f8faf2 0%, #eef7ea 100%); border-radius: 18px; padding: 40px; margin-bottom: 30px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); border: 1px solid #b8d48a;\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start;\" class=\"aus-hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"display: inline-block; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: #3d6b1e; font-weight: bold; margin-bottom: 12px; background: #dff0c0; padding: 6px 12px; border-radius: 20px;\"\u003eAuSaMicS Life Science • Biochemical Test Media\u003c\/div\u003e\n\u003ch1 style=\"color: #15324b; margin: 0 0 8px 0; font-size: 32px; font-weight: bold;\"\u003eGelatin Medium\u003c\/h1\u003e\n\u003ch2 style=\"color: #243b53; margin: 0 0 15px 0; font-weight: 400; font-size: 20px; opacity: 0.9;\"\u003eClassical Medium for Gelatin Liquefaction \u0026amp; Gelatinase Detection\u003c\/h2\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 20px 0; color: #334e68; max-width: 670px; font-weight: 500;\"\u003eGelatin Medium is a \u003cstrong\u003eclassical nutrient medium for detecting gelatin hydrolysis\u003c\/strong\u003e by proteolytic microorganisms. It is widely used to determine whether an organism produces \u003cstrong\u003egelatinase\u003c\/strong\u003e, a proteolytic enzyme that liquefies gelatin, and has long-standing use in \u003cstrong\u003eenteric differentiation\u003c\/strong\u003e and selected \u003cstrong\u003ewater microbiology\u003c\/strong\u003e workflows. :contentReference[oaicite:1]{index=1}\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px;\"\u003e\n\u003cspan style=\"background: #3d6b1e; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003eAS-1237\u003c\/span\u003e \u003cspan style=\"background: #fff; border: 2px solid #3d6b1e; color: #3d6b1e; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003epH 6.8 ± 0.2\u003c\/span\u003e \u003cspan style=\"background: #28a745; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e✓ Australian Stock\u003c\/span\u003e \u003cspan style=\"background: #dc3545; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e🧫 Gelatinase Test\u003c\/span\u003e \u003cspan style=\"background: #fd7e14; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e🧪 Proteolytic Activity\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\u003eMain use:\u003c\/strong\u003e gelatin liquefaction testing\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eAlso used for:\u003c\/strong\u003e enteric bacilli differentiation\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eDocuments:\u003c\/strong\u003e COA + SDS + TDS\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(0,0,0,0.1); min-width: 290px; border: 1px solid #b8d48a;\" class=\"aus-guarantee\"\u003e\n\u003ch4 style=\"color: #15324b; margin: 0 0 15px 0; text-align: center; font-size: 16px;\"\u003e Why Labs Use Gelatin Medium\u003c\/h4\u003e\n\u003cdiv style=\"font-size: 14px; color: #4a5568; text-align: center; line-height: 1.5;\"\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eDirect gelatinase detection\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eSimple classical test\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eUseful for enteric differentiation\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eWater microbiology relevance\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eLong-established routine medium\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 20px; padding: 15px; background: #dff0c0; border-radius: 12px; text-align: center; border: 1px solid #b8d48a;\"\u003e\n\u003cdiv style=\"color: #3d6b1e; font-weight: 600; font-size: 14px;\"\u003eCore Principle\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 8px; line-height: 1.9;\"\u003eInoculate organism\u003cbr\u003eIncubate\u003cbr\u003eChill if needed\u003cbr\u003eLiquefaction = gelatinase positive\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- IMPORTANT DISTINCTION BOX --\u003e\n\u003cdiv style=\"background: #fff8e1; border: 2px solid #f59e0b; border-radius: 16px; padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch3 style=\"color: #92400e; margin: 0 0 12px 0; font-size: 17px;\"\u003e⚠️ Important: Gelatin Is the Test Substrate — and It Is Temperature Sensitive\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 20px; font-size: 14px;\"\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 10px; border-left: 4px solid #3d6b1e;\"\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003eWhat the medium measures\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #4a5568;\"\u003eGelatin in the medium serves as the substrate for detecting gelatinase. Organisms that hydrolyse gelatin liquefy the medium because the protein matrix is broken down into smaller peptides and amino acids. :contentReference[oaicite:2]{index=2}\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 10px; border-left: 4px solid #7a5c00;\"\u003e\n\u003cstrong style=\"color: #7a5c00;\"\u003eWhy cooling matters\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #4a5568;\"\u003ePublished limitations note that gelatin is solid at about 20°C or below and liquid at 35°C or above, so proper interpretation often requires cooling or refrigeration before reading the result. :contentReference[oaicite:3]{index=3}\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- MAIN CONTENT GRID --\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; margin-bottom: 40px;\" class=\"aus-main-grid\"\u003e\n\u003c!-- LEFT COLUMN --\u003e\n\u003cdiv\u003e\n\u003c!-- Technical Overview --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #15324b; font-size: 22px; margin: 0 0 15px 0; padding-bottom: 10px; border-bottom: 3px solid #3d6b1e;\"\u003e🔬 Technical Overview \u0026amp; Principle\u003c\/h3\u003e\n\u003cdiv style=\"background: #f8faf2; padding: 20px; border-radius: 16px; border-left: 5px solid #3d6b1e;\"\u003e\n\u003cp style=\"margin: 0 0 15px 0;\"\u003eNutrient Gelatin, often sold simply as Gelatin Medium, is described by multiple manufacturers as a medium for the \u003cstrong\u003edetection of gelatin liquefaction by proteolytic microorganisms\u003c\/strong\u003e. Published sheets also note that gelatin liquefaction is an important test in the \u003cstrong\u003edifferentiation of enteric bacilli\u003c\/strong\u003e and that the medium may be used in some \u003cstrong\u003ewater microbiology plate count\u003c\/strong\u003e procedures. :contentReference[oaicite:4]{index=4}\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 15px 0;\"\u003eThe principle is simple: organisms that produce extracellular gelatinase hydrolyse gelatin into smaller soluble fragments. Because gelatin normally forms a semisolid gel when cooled, hydrolysis is observed as \u003cstrong\u003epersistent liquefaction\u003c\/strong\u003e after incubation and cooling. ASM’s teaching protocol describes gelatin as serving both as a nutrient substrate and as the solidifying matrix in the test. :contentReference[oaicite:5]{index=5}\u003c\/p\u003e\n\u003cdiv style=\"background: #fff; padding: 15px; border-radius: 12px; border: 1px solid #b8d48a; margin-bottom: 15px;\"\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003eWhy this medium performs well:\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 13px; color: #4a5568;\"\u003e Peptone and meat extract support growth of non-fastidious organisms, while the high gelatin content provides both a proteolytic test substrate and a thermoreversible gel. This dual function makes the medium highly practical for routine gelatinase testing. :contentReference[oaicite:6]{index=6} \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 15px; border-radius: 12px; font-family: monospace; font-size: 13px; color: #4a5568; border: 1px solid #b8d48a; text-align: center; margin-bottom: 15px;\"\u003eGelatin Medium inoculated with test organism\u003cbr\u003e↓\u003cbr\u003eIncubate for growth and enzyme production\u003cbr\u003e↓\u003cbr\u003eCool \/ refrigerate before reading\u003cbr\u003e↓\u003cbr\u003eSolid gel = gelatinase negative\u003cbr\u003ePersistent liquefaction = gelatinase positive\u003c\/div\u003e\n\u003cdiv style=\"background: #dff0c0; padding: 12px; border-radius: 8px; border: 1px solid #b8d48a;\"\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003eBest positioning:\u003c\/strong\u003e a classical biochemical test medium for proteolytic activity, especially useful in teaching labs, routine identification workflows, and water\/sanitary microbiology contexts. :contentReference[oaicite:7]{index=7}\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Ingredients Table --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #15324b; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #3d6b1e;\"\u003e🧪 Standard Composition Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; border: 1px solid #b8d48a; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.05);\"\u003e\n\u003cthead style=\"background: #3d6b1e; color: #fff;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 13px 12px; text-align: left; font-weight: bold;\"\u003eIngredient\u003c\/th\u003e\n\u003cth style=\"padding: 13px 12px; text-align: center; font-weight: bold;\"\u003eTypical g\/L\u003c\/th\u003e\n\u003cth style=\"padding: 13px 12px; text-align: left; font-weight: bold;\"\u003eFunction\u003c\/th\u003e\n\u003cth style=\"padding: 13px 12px; text-align: left; font-weight: bold;\"\u003eSignificance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #dff0c0; background: #fff;\"\u003e\n\u003ctd style=\"padding: 11px 12px; font-weight: 600;\"\u003ePeptone\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; text-align: center; font-weight: bold;\"\u003e5.0\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px;\"\u003eNitrogen and nutrient source\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; font-size: 12px; color: #6c757d;\"\u003eSupports growth of non-fastidious organisms during the gelatinase test. :contentReference[oaicite:8]{index=8}\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #dff0c0; background: #f8faf2;\"\u003e\n\u003ctd style=\"padding: 11px 12px; font-weight: 600;\"\u003eMeat Extract \/ Beef Extract Equivalent\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; text-align: center; font-weight: bold;\"\u003e3.0\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px;\"\u003eAdditional organic nutrients\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; font-size: 12px; color: #6c757d;\"\u003eProvides carbon compounds, vitamins, and growth-promoting substances. Some suppliers label this as meat extract, others as an equivalent peptone source. :contentReference[oaicite:9]{index=9}\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 11px 12px; font-weight: 600; color: #dc3545;\"\u003eGelatin\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; text-align: center; font-weight: bold; color: #dc3545;\"\u003e120.0\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; font-weight: 600; color: #dc3545;\"\u003eProteolytic substrate and gel matrix\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; font-size: 12px; color: #dc3545; font-weight: 600;\"\u003eActs as both the substrate for gelatinase detection and the semisolid matrix whose liquefaction is read as the positive reaction. :contentReference[oaicite:10]{index=10}\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctfoot\u003e\n\u003ctr style=\"background: #3d6b1e; color: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: bold;\"\u003eTotal (approx.)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; text-align: center; font-weight: bold;\"\u003e128 g\/L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; font-size: 12px;\" colspan=\"2\"\u003ePublished formulations commonly list 128 g\/L total medium with final pH around 6.8 ± 0.2. :contentReference[oaicite:11]{index=11}\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tfoot\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Workflow --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #15324b; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #3d6b1e;\"\u003e🧫 Typical Gelatinase Test Workflow\u003c\/h3\u003e\n\u003cdiv style=\"background: #f8faf2; padding: 20px; border-radius: 16px; border-left: 5px solid #3d6b1e;\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr; gap: 12px;\"\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 10px; border: 1px solid #b8d48a; display: flex; gap: 15px; align-items: flex-start;\"\u003e\n\u003cdiv style=\"background: #3d6b1e; color: #fff; border-radius: 50%; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003ePrepare and dispense the medium\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 13px; color: #4a5568;\"\u003ePublished directions commonly specify suspending about 128 g in 1 L warm water, heating to dissolve, dispensing into tubes, and sterilising by autoclaving. :contentReference[oaicite:12]{index=12}\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 10px; border: 1px solid #b8d48a; display: flex; gap: 15px; align-items: flex-start;\"\u003e\n\u003cdiv style=\"background: #3d6b1e; color: #fff; border-radius: 50%; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003eInoculate the test organism\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 13px; color: #4a5568;\"\u003eUse the medium for qualitative determination of the ability of an organism to liquefy gelatin. :contentReference[oaicite:13]{index=13}\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 10px; border: 1px solid #b8d48a; display: flex; gap: 15px; align-items: flex-start;\"\u003e\n\u003cdiv style=\"background: #3d6b1e; color: #fff; border-radius: 50%; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003eIncubate and then cool before reading\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 13px; color: #4a5568;\"\u003eBecause gelatin melts at warmer temperatures, the tube should be cooled before interpretation so true enzymatic liquefaction can be distinguished from simple heat-induced melting. :contentReference[oaicite:14]{index=14}\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #dff0c0; padding: 14px; border-radius: 10px; border: 1px solid #b8d48a; display: flex; gap: 15px; align-items: flex-start;\"\u003e\n\u003cdiv style=\"background: #3d6b1e; color: #fff; border-radius: 50%; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"color: #3d6b1e;\"\u003eInterpret liquefaction result\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 13px; color: #4a5568;\"\u003ePersistent liquefaction after cooling indicates gelatin hydrolysis and a gelatinase-positive result. :contentReference[oaicite:15]{index=15}\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Comparative Table --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch3 style=\"color: #15324b; font-size: 22px; margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 3px solid #3d6b1e;\"\u003e📊 Comparative Proteolysis \/ Biochemical Test Media\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; border: 1px solid #b8d48a; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.05); min-width: 840px;\"\u003e\n\u003cthead style=\"background: #edf5e0;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 13px 11px; text-align: left;\"\u003eMedium\u003c\/th\u003e\n\u003cth style=\"padding: 13px 11px; text-align: left;\"\u003eBest Use\u003c\/th\u003e\n\u003cth style=\"padding: 13px 11px; text-align: left;\"\u003eAdvantages\u003c\/th\u003e\n\u003cth style=\"padding: 13px 11px; text-align: left;\"\u003eConsiderations\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #fff; border-bottom: 1px solid #dff0c0;\"\u003e\n\u003ctd style=\"padding: 11px;\"\u003e\u003cstrong style=\"color: #3d6b1e;\"\u003eGelatin Medium \/ Nutrient Gelatin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 11px;\"\u003eGelatinase detection and gelatin liquefaction testing\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eDirect, classical readout of proteolytic activity; relevant to enteric differentiation and some water methods. :contentReference[oaicite:16]{index=16}\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eTemperature-sensitive interpretation; not ideal for fastidious organisms or obligate anaerobes. :contentReference[oaicite:17]{index=17}\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8faf2; border-bottom: 1px solid #dff0c0;\"\u003e\n\u003ctd style=\"padding: 11px;\"\u003e\u003cstrong\u003eGelatin Hydrolysis Agar Variants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 11px;\"\u003eAlternative plate-based protease screening\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eCan be convenient for colony-based screening in some workflows\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eNot the same as classical tube-based nutrient gelatin interpretation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff; border-bottom: 1px solid #dff0c0;\"\u003e\n\u003ctd style=\"padding: 11px;\"\u003e\u003cstrong\u003eCasein \/ milk proteolysis media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 11px;\"\u003eDetection of broader extracellular protease activity\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eUseful for protease screening beyond gelatinase\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eDifferent substrate and different biochemical meaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8faf2;\"\u003e\n\u003ctd style=\"padding: 11px;\"\u003e\u003cstrong\u003eNutrient Agar \/ Broth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 11px;\"\u003eGeneral growth of non-fastidious bacteria\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eSimple routine cultivation\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; font-size: 12px;\"\u003eNo direct gelatinase readout\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\u003c!-- RIGHT COLUMN --\u003e\n\u003cdiv\u003e\n\u003c!-- Quick Specs --\u003e\n\u003cdiv style=\"background: #fff; padding: 24px; border-radius: 16px; box-shadow: 0 3px 12px rgba(0,0,0,0.06); margin-bottom: 25px; border: 1px solid #b8d48a;\"\u003e\n\u003ch3 style=\"color: #15324b; margin: 0 0 18px 0; font-size: 18px;\"\u003e📌 Quick Specifications\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; gap: 12px;\"\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Gelatin Medium\u003c\/div\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eCat. No.:\u003c\/strong\u003e AS-1237\u003c\/div\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Dehydrated culture medium\u003c\/div\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Biochemical test medium\u003c\/div\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eMain principle:\u003c\/strong\u003e gelatin hydrolysis\u003c\/div\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eTypical result:\u003c\/strong\u003e liquefaction after cooling\u003c\/div\u003e\n\u003cdiv style=\"padding-bottom: 10px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eCommon use:\u003c\/strong\u003e gelatinase detection\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e 10–25°C, dry, tightly closed, protected from moisture and light\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Key Benefits --\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #f8faf2 0%, #eef7ea 100%); padding: 24px; border-radius: 16px; margin-bottom: 25px; border: 1px solid #b8d48a;\"\u003e\n\u003ch3 style=\"color: #15324b; margin: 0 0 18px 0; font-size: 18px;\"\u003e⭐ Key Advantages\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; gap: 12px;\"\u003e\n\u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color: #3d6b1e;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eDirect readout of proteolytic gelatin hydrolysis\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color: #3d6b1e;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eClassical differential test for routine microbiology\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color: #3d6b1e;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eUseful in enteric and sanitary microbiology contexts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color: #3d6b1e;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eSimple formulation with strong teaching-lab relevance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color: #3d6b1e;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eEasy to position as a classical gelatinase test medium\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Preparation Notes --\u003e\n\u003cdiv style=\"background: #fff8e1; padding: 24px; border-radius: 16px; margin-bottom: 25px; border: 1px solid #f5d27a;\"\u003e\n\u003ch3 style=\"color: #92400e; margin: 0 0 18px 0; font-size: 18px;\"\u003e⚙️ Preparation Notes\u003c\/h3\u003e\n\u003cdiv style=\"font-size: 14px; color: #4a5568; line-height: 1.65;\"\u003e\n\u003cp style=\"margin: 0 0 12px 0;\"\u003ePublished directions commonly specify suspending about 128 g in 1 L of warm water and heating to fully dissolve. :contentReference[oaicite:18]{index=18}\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 12px 0;\"\u003eDispense into tubes and sterilise by autoclaving. After sterilisation, the medium is usually allowed to cool upright so the semisolid gel forms correctly. :contentReference[oaicite:19]{index=19}\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eFor interpretation, chill before reading to distinguish true gelatin hydrolysis from simple thermal melting. :contentReference[oaicite:20]{index=20}\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Related Products --\u003e\n\u003cdiv style=\"background: #f8faf2; padding: 24px; border-radius: 16px; border: 1px solid #b8d48a;\"\u003e\n\u003ch3 style=\"color: #15324b; margin: 0 0 18px 0; font-size: 18px;\"\u003e🔗 Related AuSaMicS Products\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; gap: 14px;\"\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 12px; border: 1px solid #dff0c0;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; color: #3d6b1e; font-size: 14px;\"\u003eNutrient Agar\u003c\/h4\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #6c757d;\"\u003eGeneral cultivation medium for non-fastidious organisms\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 12px; border: 1px solid #dff0c0;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; color: #7a5c00; font-size: 14px;\"\u003eOther biochemical test media\u003c\/h4\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #6c757d;\"\u003eComplementary media for routine organism differentiation panels\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 14px; border-radius: 12px; border: 1px solid #dff0c0;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; color: #fd7e14; font-size: 14px;\"\u003eWater microbiology media\u003c\/h4\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #6c757d;\"\u003eSupporting media for sanitary and water testing workflows\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FOOTER CTA --\u003e\n\u003cdiv style=\"background: #15324b; color: #fff; border-radius: 18px; padding: 32px; text-align: center; box-shadow: 0 8px 24px rgba(21,50,75,0.18);\"\u003e\n\u003ch3 style=\"margin: 0 0 12px 0; font-size: 24px; color: #fff;\"\u003eClassical Gelatinase Testing for Routine Microbiology\u003c\/h3\u003e\n\u003cp style=\"margin: 0 auto 20px auto; max-width: 760px; font-size: 15px; line-height: 1.7; color: #dbeafe;\"\u003eAuSaMicS supplies high-quality microbiological media designed for dependable laboratory performance. Contact us for technical documentation, bulk supply, or workflow-aligned support.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px;\"\u003e\n\u003ca style=\"display: inline-flex; align-items: center; gap: 8px; background: #fff; color: #15324b; text-decoration: none; font-weight: bold; padding: 12px 20px; border-radius: 10px;\" href=\"https:\/\/www.ausamics.com.au\/pages\/contact\"\u003e📩 Request Quote\u003c\/a\u003e \u003ca style=\"display: inline-flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-weight: 600; padding: 12px 20px; border: 1px solid #c7d2fe; border-radius: 10px;\" href=\"mailto:support@ausamics.com\"\u003e📧 Technical Support\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #cbd5e1; line-height: 1.5;\"\u003e\u003cstrong\u003eFor laboratory, research, and industrial use only.\u003c\/strong\u003e Not for food, feed, household, cosmetic, therapeutic, or personal use.\u003cbr\u003eAuSaMicS Pty Ltd • ABN 56 676 640 467 • 31 Longview CT, Thomastown, VIC 3074, Australia\u003cbr\u003ewww.ausamics.com.au • support@ausamics.com • +61 412 520 598\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n@media (max-width: 860px) {\n  .aus-hero-grid, .aus-main-grid { grid-template-columns: 1fr !important; }\n  .aus-guarantee { min-width: 100% !important; margin-top: 20px; }\n  .aus-gelatin-product { padding: 15px !important; }\n  .aus-gelatin-product h1 { font-size: 24px !important; }\n  .aus-gelatin-product h2 { font-size: 18px !important; }\n}\n@media (max-width: 640px) {\n  .aus-hero-section { padding: 25px !important; }\n  .aus-gelatin-product table th,\n  .aus-gelatin-product table td { padding: 8px 6px !important; }\n}\n\u003c\/style\u003e","brand":"Ausamics Life Science","offers":[{"title":"100 g","offer_id":48388189454591,"sku":"AS-1237-100G","price":45.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":48388189487359,"sku":"AS-1237-500G","price":135.0,"currency_code":"AUD","in_stock":true},{"title":"2.5 kg","offer_id":48388189520127,"sku":"AS-1237-2.5KG","price":590.0,"currency_code":"AUD","in_stock":true},{"title":"10 kg","offer_id":48388189552895,"sku":"AS-1237-10KG","price":2100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/Nutrient_Gelatin.jpg?v=1775880028","url":"https:\/\/ausamics.com.au\/products\/gelatin-medium","provider":"AuSaMicS","version":"1.0","type":"link"}