{"product_id":"lowenstein-jensen-medium-base","title":"Löwenstein-Jensen Medium Base (L.J. Medium): Egg-Based Medium for Mycobacterium Isolation \u0026 Cultivation; Cat: AS-1443","description":"\u003cp\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": [\"Product\"],\n  \"name\": \"Löwenstein-Jensen Medium Base, L.J. Medium (AS-1443)\",\n  \"alternateName\": [\"Löwenstein-Jensen Medium\",\"L.J. Medium Base\",\"LJ Medium\",\"Lowenstein Jensen Medium\"],\n  \"description\": \"Löwenstein-Jensen Medium Base (AS-1443) by AuSaMicS Pty Ltd. Egg-based selective medium for isolation and cultivation of Mycobacterium species, including M. tuberculosis. Australian stock, same-day dispatch Melbourne.\",\n  \"sku\": \"AS-1443\",\n  \"brand\": {\"@type\":\"Brand\",\"name\":\"AuSaMicS Life Science\",\"url\":\"https:\/\/ausamics.com.au\"},\n  \"manufacturer\": {\n    \"@type\": \"Organization\",\n    \"name\": \"AuSaMicS Pty Ltd\",\n    \"address\": {\"@type\":\"PostalAddress\",\"streetAddress\":\"36\/25 Trafalgar Road\",\"addressLocality\":\"Epping\",\"addressRegion\":\"VIC\",\"postalCode\":\"3076\",\"addressCountry\":\"AU\"},\n    \"telephone\": \"+61412520598\",\n    \"email\": \"support@ausamics.com\"\n  },\n  \"offers\": {\"@type\":\"Offer\",\"priceCurrency\":\"AUD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"AuSaMicS Pty Ltd\"},\"areaServed\":\"AU\"},\n  \"additionalProperty\": [\n    {\"@type\":\"PropertyValue\",\"name\":\"Catalogue Number\",\"value\":\"AS-1443\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Dissolution\",\"value\":\"37.24 g\/L (base)\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Final pH\",\"value\":\"~6.8\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Reference\",\"value\":\"Löwenstein 1931; Jensen 1932\"}\n  ]\n}\n\u003c\/script\u003e \u003cmeta content=\"Buy Löwenstein-Jensen Medium Base (AS-1443) from AuSaMicS — Australian stock, same-day dispatch Melbourne. Egg-based medium for Mycobacterium tuberculosis isolation. COA + SDS included.\" name=\"description\"\u003e \u003cmeta content=\"Lowenstein Jensen medium Australia, LJ medium buy, Mycobacterium tuberculosis culture medium, TB culture medium Melbourne, AS-1443 AuSaMicS, egg-based mycobacteria medium Australia\" name=\"keywords\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: none;\" id=\"llm-as1443-meta\"\u003e\n\u003cspan\u003eLowenstein-Jensen Medium Base AS-1443 LJ Medium Mycobacterium\u003c\/span\u003e \u003cspan\u003eAuSaMicS Pty Ltd Epping VIC Australia\u003c\/span\u003e \u003cspan\u003eLowenstein Jensen medium Australia | LJ medium buy Melbourne | Mycobacterium tuberculosis culture medium | TB culture medium | AS-1443 AuSaMicS | egg-based mycobacteria medium\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003clink href=\"https:\/\/fonts.googleapis.com\" rel=\"preconnect\"\u003e \u003clink rel=\"stylesheet\" 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22px;margin-bottom:20px;font-size:13.5px;line-height:1.7;color:#78350f}\n.as1443-footer{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;padding:24px 0 0;border-top:1px solid var(--border-lt);margin-top:32px}\n.as1443-footer-contact a{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--forest);border:1px solid var(--forest-mid);border-radius:var(--radius-sm);padding:9px 16px;text-decoration:none;margin-right:8px;margin-bottom:8px}\n.as1443-footer-contact a:hover{background:var(--forest);color:var(--white)}\n.as1443-footer-legal{font-size:11.5px;color:var(--ink-3);line-height:1.7;max-width:520px}\n@media(max-width:780px){\n  .as1443-hero{padding:30px 22px}\n  .as1443-hero-card-grid{grid-template-columns:repeat(2,1fr)}\n  .as1443-hero-card-row{border-right:none;border-bottom:1px solid rgba(255,255,255,.1)}\n  .as1443-tab-body{padding:20px 16px}\n  .as1443-kv td:first-child{width:140px}\n  .as1443-footer{flex-direction:column;align-items:flex-start}\n}\n\u003c\/style\u003e\n\u003cdiv class=\"as1443-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003cdiv class=\"as1443-hero\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"as1443-eyebrow\"\u003e\n\u003cspan class=\"as1443-eyebrow-dot\"\u003e\u003c\/span\u003eAuSaMicS Life Science™ · Dehydrated Culture Media · Mycobacteriology \u0026amp; TB Diagnostics\u003c\/div\u003e\n\u003ch1 itemprop=\"name\"\u003eLöwenstein-Jensen Medium Base \u003cspan style=\"font-weight: 400; font-size: 0.6em;\"\u003e(L.J. Medium)\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp class=\"as1443-hero-sub\"\u003eEgg-Based Medium for Mycobacterium Isolation \u0026amp; Cultivation  |  Cat: AS-1443\u003c\/p\u003e\n\u003cp class=\"as1443-hero-desc\"\u003eThe gold-standard \u003cstrong\u003eegg-based selective medium\u003c\/strong\u003e for isolation and cultivation of \u003cstrong\u003eMycobacterium\u003c\/strong\u003e species, including \u003cstrong\u003eM. tuberculosis\u003c\/strong\u003e. This dehydrated base is combined with glycerol and fresh egg suspension, then solidified by inspissation. Australian stock held in Melbourne — same-day dispatch with full COA documentation.\u003c\/p\u003e\n\u003cdiv class=\"as1443-badges\"\u003e\n\u003cspan class=\"as1443-badge as1443-badge-gold\"\u003eAS-1443\u003c\/span\u003e \u003cspan class=\"as1443-badge as1443-badge-white\"\u003eIn Stock Australia\u003c\/span\u003e \u003cspan class=\"as1443-badge as1443-badge-white\"\u003eSame-Day Dispatch\u003c\/span\u003e \u003cspan class=\"as1443-badge as1443-badge-amber\"\u003eRequires Egg Suspension + Inspissation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-hero-card\"\u003e\n\u003cdiv class=\"as1443-hero-card-title\"\u003eQuick Specs\u003c\/div\u003e\n\u003cdiv class=\"as1443-hero-card-grid\"\u003e\n\u003cdiv class=\"as1443-hero-card-row\"\u003e\n\u003cstrong\u003eCatalogue\u003c\/strong\u003eAS-1443\u003c\/div\u003e\n\u003cdiv class=\"as1443-hero-card-row\"\u003e\n\u003cstrong\u003eBase Dissolution\u003c\/strong\u003e37.24 g\/L\u003c\/div\u003e\n\u003cdiv class=\"as1443-hero-card-row\"\u003e\n\u003cstrong\u003eFinal pH\u003c\/strong\u003e~6.8\u003c\/div\u003e\n\u003cdiv class=\"as1443-hero-card-row\"\u003e\n\u003cstrong\u003eCoagulation\u003c\/strong\u003e85°C \/ 45–50 min\u003c\/div\u003e\n\u003cdiv class=\"as1443-hero-card-row\"\u003e\n\u003cstrong\u003eReference\u003c\/strong\u003eLöwenstein 1931 \/ Jensen 1932\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-tabs\" role=\"region\"\u003e\n\u003cinput type=\"radio\" name=\"as1443-tabs\" id=\"as1443-tab-1\" class=\"as1443-tab-radio\" checked\u003e \u003cinput type=\"radio\" name=\"as1443-tabs\" id=\"as1443-tab-2\" class=\"as1443-tab-radio\"\u003e \u003cinput type=\"radio\" name=\"as1443-tabs\" id=\"as1443-tab-3\" class=\"as1443-tab-radio\"\u003e \u003cinput type=\"radio\" name=\"as1443-tabs\" id=\"as1443-tab-4\" class=\"as1443-tab-radio\"\u003e\n\u003cdiv class=\"as1443-tab-nav\" role=\"tablist\"\u003e\n\u003clabel class=\"as1443-tab-btn\" for=\"as1443-tab-1\"\u003eProduct Description\u003c\/label\u003e \u003clabel class=\"as1443-tab-btn\" for=\"as1443-tab-2\"\u003eTDS\u003c\/label\u003e \u003clabel class=\"as1443-tab-btn\" for=\"as1443-tab-3\"\u003eSDS\u003c\/label\u003e \u003clabel class=\"as1443-tab-btn\" for=\"as1443-tab-4\"\u003eCOA\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-tab-body\"\u003e\n\u003cdiv class=\"as1443-tab-panel\" id=\"as1443-t1\"\u003e\n\u003cdiv class=\"as1443-section-title\"\u003eOverview\u003c\/div\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.8; color: var(--ink-2); margin-bottom: 20px;\"\u003e\u003cstrong\u003eLöwenstein-Jensen (L.J.) Medium\u003c\/strong\u003e is the most widely used egg-based solid medium for isolation and cultivation of \u003cem\u003eMycobacterium\u003c\/em\u003e species, and remains a cornerstone of tuberculosis diagnostics worldwide. Originally formulated by Ernst Löwenstein in 1931, the medium was modified by Jensen (1932) into the version in common use today.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.8; color: var(--ink-3); margin-bottom: 28px;\"\u003eThis is an egg-based medium: the dehydrated base (AS-1443) provides nutrients, buffers, and the selective malachite green dye, but must be combined with glycerol (or sodium pyruvate for glycerophobic strains) and a fresh whole-egg suspension, then solidified by inspissation — a materially different process from conventional agar media.\u003c\/p\u003e\n\u003cdiv class=\"as1443-warnbox\"\u003e\n\u003cspan class=\"as1443-callout-icon\"\u003e⚠️\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eImportant — this is a base powder, not a ready-to-pour medium.\u003c\/strong\u003e Preparation requires aseptic addition of fresh egg suspension and heat coagulation (inspissation) at 85°C, not standard autoclaving. See the TDS tab for the full preparation protocol before ordering.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-h3\"\u003eMode of Action\u003c\/div\u003e\n\u003cdiv class=\"as1443-mechanism\"\u003e\n\u003cp\u003ePotato flour and L-asparagine supply carbohydrate and nitrogen for the slow-growing, lipid-rich Mycobacterium cell. Malachite green is the key selective agent, inhibiting most contaminating Gram-positive organisms while permitting acid-fast Mycobacterium growth — and doubles as a built-in pH indicator (blue = Gram-positive contamination, yellow = Gram-negative dye destruction).\u003c\/p\u003e\n\u003cp\u003eGlycerol favours growth of the human-type tubercle bacillus (M. tuberculosis) but inhibits M. bovis, for which sodium pyruvate is substituted. The heat-coagulated egg suspension supplies essential fatty acids and proteins and forms the solid inoculation surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-h3\"\u003eApplications\u003c\/div\u003e\n\u003ctable class=\"as1443-data\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary isolation of M. tuberculosis\u003c\/td\u003e\n\u003ctd\u003eGold-standard solid culture method for TB diagnosis from clinical specimens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation of non-tuberculous Mycobacteria (NTM)\u003c\/td\u003e\n\u003ctd\u003eRecovery and preliminary characterisation of other Mycobacterium species\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNiacin testing\u003c\/td\u003e\n\u003ctd\u003eHistorical substrate for niacin accumulation testing to help distinguish M. tuberculosis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMycobacteriology research\u003c\/td\u003e\n\u003ctd\u003eReference medium in research and susceptibility testing protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"as1443-callout\"\u003e\n\u003cspan class=\"as1443-callout-icon\"\u003eℹ\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e For laboratory, diagnostic, and research use by appropriately trained and biosafety-accredited personnel only.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-tab-panel\" id=\"as1443-t2\"\u003e\n\u003cdiv class=\"as1443-section-title\"\u003eTechnical Data Sheet Summary\u003c\/div\u003e\n\u003cdiv class=\"as1443-h3\"\u003eFormula — Dehydrated Base, Per Litre\u003c\/div\u003e\n\u003ctable class=\"as1443-data\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eg\/L\u003c\/th\u003e\n\u003cth\u003eRole\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotato Flour\u003c\/td\u003e\n\u003ctd\u003e30.000\u003c\/td\u003e\n\u003ctd\u003eCarbohydrate source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL-Asparagine\u003c\/td\u003e\n\u003ctd\u003e3.600\u003c\/td\u003e\n\u003ctd\u003eNitrogen source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonopotassium Phosphate\u003c\/td\u003e\n\u003ctd\u003e2.400\u003c\/td\u003e\n\u003ctd\u003eBuffering agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnesium Citrate\u003c\/td\u003e\n\u003ctd\u003e0.600\u003c\/td\u003e\n\u003ctd\u003eMetal ion chelation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnesium Sulfate\u003c\/td\u003e\n\u003ctd\u003e0.240\u003c\/td\u003e\n\u003ctd\u003eEnzyme cofactor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMalachite Green\u003c\/td\u003e\n\u003ctd\u003e0.400\u003c\/td\u003e\n\u003ctd\u003eSelective inhibitor \/ pH indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 12px; color: var(--ink-3); margin-bottom: 20px;\"\u003eTotal dehydrated base: 37.24 g\/L. Glycerol (12 mL\/L) and 1000 mL fresh egg suspension are added separately during preparation — not included in the base powder.\u003c\/p\u003e\n\u003cdiv class=\"as1443-h3\"\u003ePreparation\u003c\/div\u003e\n\u003ctable class=\"as1443-kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Solution\u003c\/td\u003e\n\u003ctd\u003eSuspend 37.24 g in 600 mL purified water containing 12 mL glycerol (omit for glycerophobic strains — use sodium pyruvate instead). Heat to dissolve.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Sterilisation\u003c\/td\u003e\n\u003ctd\u003eAutoclave at 121°C for 15 minutes. Cool to 50–60°C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEgg Suspension\u003c\/td\u003e\n\u003ctd\u003ePrepare 1000 mL fresh whole-egg suspension aseptically. Mix with the cooled sterile base, avoiding air bubbles.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoagulation\u003c\/td\u003e\n\u003ctd\u003eDistribute into slanted tubes. Inspissate at 85°C for 45–50 minutes — do not autoclave the egg-containing mixture.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"as1443-h3\"\u003eIncubation\u003c\/div\u003e\n\u003ctable class=\"as1443-kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature \/ Atmosphere\u003c\/td\u003e\n\u003ctd\u003e35–37°C, 5–10% CO₂ recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuration\u003c\/td\u003e\n\u003ctd\u003eUp to 8 weeks — M. tuberculosis is slow-growing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositive Result\u003c\/td\u003e\n\u003ctd\u003eNon-pigmented, rough, dry, buff\/cream colonies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-tab-panel\" id=\"as1443-t3\"\u003e\n\u003cdiv class=\"as1443-warnbox\"\u003e\n\u003cspan class=\"as1443-callout-icon\"\u003e⚠️\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eContains malachite green\u003c\/strong\u003e — recognised as toxic to aquatic life. Full 16-section SDS is available with detailed handling, environmental, and biosafety guidance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-section-title\"\u003eSafety Data Sheet Summary\u003c\/div\u003e\n\u003ctable class=\"as1443-kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGHS Classification\u003c\/td\u003e\n\u003ctd\u003eBase powder: not acutely hazardous to human health; contains malachite green — precautionary environmental hazard classification (H411, toxic to aquatic life)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Word\u003c\/td\u003e\n\u003ctd class=\"warn\"\u003eWARNING (environmental)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBiosafety Note\u003c\/td\u003e\n\u003ctd\u003eOnce reconstituted and inoculated, treat as potentially biohazardous — handle under appropriate PC2\/PC3 containment per institutional Mycobacterium protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental\u003c\/td\u003e\n\u003ctd class=\"warn\"\u003eDo not discharge to drains or waterways — malachite green is toxic to aquatic organisms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport\u003c\/td\u003e\n\u003ctd\u003eNot classified as Dangerous Goods (ADG, IATA, IMDG) for the base powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"as1443-callout\"\u003e\n\u003cspan class=\"as1443-callout-icon\"\u003e📋\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFull 16-section GHS-compliant SDS\u003c\/strong\u003e is available as a downloadable document — contact \u003ca href=\"mailto:support@ausamics.com\" style=\"color: var(--forest); font-weight: 600;\"\u003esupport@ausamics.com\u003c\/a\u003e quoting catalogue number AS-1443.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-tab-panel\" id=\"as1443-t4\"\u003e\n\u003cdiv class=\"as1443-section-title\"\u003eCertificate of Analysis\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.8; color: var(--ink-2); margin-bottom: 20px;\"\u003eEach batch of L.J. Medium Base (AS-1443) is released with a batch-specific Certificate of Analysis for the dehydrated base powder.\u003c\/p\u003e\n\u003ctable class=\"as1443-data\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTest Parameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDehydrated Appearance\u003c\/td\u003e\n\u003ctd\u003ePale green, free-flowing powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrepared Appearance\u003c\/td\u003e\n\u003ctd\u003ePale bluish-green, opaque, coagulated solid slant (with egg suspension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinal pH\u003c\/td\u003e\n\u003ctd\u003eApproximately 6.8 (typical range 6.4–7.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProductivity Test\u003c\/td\u003e\n\u003ctd\u003eMycobacterium tuberculosis H37Rv ATCC 27294 — typical colony growth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelectivity Test\u003c\/td\u003e\n\u003ctd\u003eStaphylococcus aureus ATCC 25923 — inhibited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"as1443-callout\"\u003e\n\u003cspan class=\"as1443-callout-icon\"\u003eℹ\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e As this is a base powder requiring aseptic addition of fresh egg suspension by the end user, final medium performance also depends on egg suspension quality and preparation technique.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-callout\"\u003e\n\u003cspan class=\"as1443-callout-icon\"\u003e📄\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBatch-specific COA\u003c\/strong\u003e is issued with every shipment. Contact \u003ca href=\"mailto:support@ausamics.com\" style=\"color: var(--forest); font-weight: 600;\"\u003esupport@ausamics.com\u003c\/a\u003e quoting catalogue number AS-1443.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-footer\"\u003e\n\u003cdiv class=\"as1443-footer-contact\"\u003e\n\u003ca href=\"tel:+61412520598\"\u003e📞 +61 412 520 598\u003c\/a\u003e \u003ca href=\"mailto:support@ausamics.com\"\u003e📧 Product Support\u003c\/a\u003e \u003ca href=\"https:\/\/ausamics.com.au\/pages\/request-a-quote\"\u003e💬 Request a Quote\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"as1443-footer-legal\"\u003e\n\u003cstrong\u003eFor laboratory, diagnostic, and research use by trained, biosafety-accredited personnel only.\u003c\/strong\u003e Contains malachite green — toxic to aquatic life.\u003cbr\u003eAuSaMicS Pty Ltd  |  ABN: 56 676 640 467  |  36\/25 Trafalgar Road, Epping VIC 3076, Australia  |  \u003ca href=\"https:\/\/ausamics.com.au\" style=\"color: var(--forest-mid);\"\u003eausamics.com.au\u003c\/a\u003e\u003cbr\u003eSame-day dispatch (Mon–Fri) · Full documentation included · Australian domestic stock\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"AuSaMicS","offers":[{"title":"Default Title","offer_id":48998123208959,"sku":"AS-1443-500G","price":115.0,"currency_code":"AUD","in_stock":true}],"url":"https:\/\/ausamics.com.au\/products\/lowenstein-jensen-medium-base","provider":"AuSaMicS","version":"1.0","type":"link"}