{"product_id":"isp-medium-4","title":"ISP Medium 4 (AS-1213) | Inorganic Salts Starch Agar (ISP4)","description":"\u003cp\u003e \u003c\/p\u003e\n\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;\"\u003e\n\u003cdiv style=\"background: linear-gradient(135deg,#edf5fb 0%,#dbe8f2 100%); border-radius: 18px; padding: 40px; margin-bottom: 30px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); border: 1px solid #d2e1ec; border-left: 8px solid #31708f;\"\u003e\n\u003cdiv 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: #31708f; font-weight: bold; margin-bottom: 12px; background: #fff; padding: 6px 12px; border-radius: 20px; border: 1px solid #d2e1ec;\"\u003eAuSaMicS Life Science • ISP Actinomycete Media\u003c\/div\u003e\n\u003ch1 style=\"color: #15324b; margin: 0 0 8px 0; font-size: 32px; font-weight: bold;\"\u003eISP Medium 4\u003c\/h1\u003e\n\u003ch2 style=\"color: #35556b; margin: 0 0 15px 0; font-weight: 400; font-size: 20px; opacity: .95;\"\u003eInorganic Salts Starch Agar for Streptomyces Characterization \u0026amp; Starch Utilization\u003c\/h2\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 20px 0; color: #455a64; max-width: 720px; font-weight: 500;\"\u003eA defined \u003cstrong\u003estarch-based actinomycete medium\u003c\/strong\u003e from the ISP series used for characterization of \u003cem\u003eStreptomyces\u003c\/em\u003e species, especially where starch utilization and more controlled nutritional conditions are important.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px;\"\u003e\n\u003cspan style=\"background: #31708f; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: bold;\"\u003eAS-1254\u003c\/span\u003e \u003cspan style=\"background: #fff; border: 2px solid #31708f; color: #31708f; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003e🧫 ISP Series\u003c\/span\u003e \u003cspan style=\"background: #2d5a3d; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003e✓ Starch Utilization\u003c\/span\u003e \u003cspan style=\"background: #c9a84c; color: #1a1a1a; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600;\"\u003e🧪 Defined Salts System\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(0,0,0,0.10); min-width: 290px; border: 1px solid #d2e1ec;\"\u003e\n\u003ch4 style=\"color: #15324b; margin: 0 0 15px 0; text-align: center; font-size: 16px; font-weight: bold;\"\u003eBiochemical Differentiation Specialist\u003c\/h4\u003e\n\u003cdiv style=\"font-size: 14px; color: #455a64; text-align: center; line-height: 1.5;\"\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eSoluble Starch\u003c\/strong\u003e — principal carbon source\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eDefined Salts\u003c\/strong\u003e — controlled mineral environment\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eTrace Elements\u003c\/strong\u003e — growth factor support\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eTaxonomic Value\u003c\/strong\u003e — starch hydrolysis interpretation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv 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: #15324b; font-size: 22px; margin: 0 0 15px 0; padding-bottom: 10px; border-bottom: 3px solid #31708f;\"\u003eOverview\u003c\/h3\u003e\n\u003cdiv style=\"background: #fff; padding: 22px; border-radius: 16px; border: 1px solid #d2e1ec;\"\u003e\n\u003cp style=\"margin: 0 0 14px 0;\"\u003eISP Medium 4, Inorganic Salts Starch Agar, is formulated for characterization of \u003cem\u003eStreptomyces\u003c\/em\u003e species under more controlled nutrient conditions than richer actinomycete media. The starch base and mineral composition make it particularly useful in assessing growth character and starch utilization-related differentiation. citeturn584042search2turn584042search3\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px 0;\"\u003eWithin ISP workflows, it commonly complements ISP 2 and ISP 3 by providing a more defined medium where nutrient abundance is lower and metabolic character can be observed more clearly. Technical sheets explicitly recommend it for characterization of Streptomyces species. citeturn584042search2turn584042search3\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eFor laboratories working with actinomycete taxonomy, ISP 4 is one of the most informative media for biochemical comparison within the ISP set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\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 #31708f;\"\u003eTypical Composition (per Liter)\u003c\/h3\u003e\n\u003cdiv style=\"background: #f5fafd; padding: 20px; border-radius: 16px; border-left: 5px solid #31708f;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; border: 1px solid #d2e1ec;\"\u003e\n\u003cthead style=\"background: #e5f0f7;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eIngredient\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 #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eSoluble starch\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e10.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003ePrincipal carbon source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eDipotassium hydrogen phosphate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e1.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eBuffer component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eMagnesium sulphate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e1.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eMineral support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eSodium chloride\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e1.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eOsmotic balance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eAmmonium sulphate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eNitrogen source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eCalcium carbonate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003epH moderation and growth support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eTrace salts\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eq.s.\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eMicronutrient support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eAgar\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e18.0–20.0 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eSolidifying agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 12px 0 0 0; font-size: 13px; color: #4a5568;\"\u003eTechnical sheets cite soluble starch 10 g\/L with salts-based formulation and pH around 7.2. citeturn584042search2turn584042search3\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\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 #31708f;\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv style=\"background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #d2e1ec;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eStreptomyces characterization under defined nutrient conditions\u003c\/li\u003e\n\u003cli\u003eStarch hydrolysis observation and related differentiation\u003c\/li\u003e\n\u003cli\u003eComparative taxonomy within ISP media sets\u003c\/li\u003e\n\u003cli\u003eActinomycete physiological studies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"background: #fff; padding: 25px; border-radius: 18px; border: 1px solid #d2e1ec; box-shadow: 0 4px 12px rgba(0,0,0,0.08); margin-bottom: 30px;\"\u003e\n\u003ch3 style=\"color: #15324b; margin: 0 0 20px 0; font-size: 18px; text-align: center;\"\u003eTechnical Specifications\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 #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #f5fafd;\"\u003eCat. No.\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003eAS-1254\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #f5fafd;\"\u003eMedium Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003eAgar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #f5fafd;\"\u003ePreparation\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e~35–36 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #f5fafd;\"\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 #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #f5fafd;\"\u003eSterilization\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e121°C for 15 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 8px; font-weight: 600; background: #f5fafd;\"\u003ePrimary Use\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003eStarch-based characterization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #31708f; padding: 25px; border-radius: 18px; color: #fff; margin-bottom: 30px;\"\u003e\n\u003ch4 style=\"color: #e9f7ff; margin: 0 0 15px 0; font-size: 16px; text-align: center;\"\u003ePreparation Protocol\u003c\/h4\u003e\n\u003col style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; position: relative; padding-left: 35px;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 8px; background: #fff; color: #31708f; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e1\u003c\/span\u003eSuspend the required amount in purified water.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; position: relative; padding-left: 35px;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 8px; background: #fff; color: #31708f; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e2\u003c\/span\u003eHeat to dissolve completely.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; position: relative; padding-left: 35px;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 8px; background: #fff; color: #31708f; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e3\u003c\/span\u003eAutoclave at 121°C for 15 minutes.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; position: relative; padding-left: 35px;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 8px; background: #fff; color: #31708f; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold;\"\u003e4\u003c\/span\u003eCool and pour plates. citeturn584042search2turn584042search3\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 25px; border-radius: 18px; border: 1px solid #d2e1ec; box-shadow: 0 4px 12px rgba(0,0,0,0.08); margin-bottom: 30px;\"\u003e\n\u003ch3 style=\"color: #15324b; margin: 0 0 16px 0; font-size: 18px; text-align: center;\"\u003ePack Sizes \u0026amp; Suggested Pricing\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 #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003e100 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eAUD 36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003e250 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eAUD 78\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec; background: #f5fafd;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: bold; color: #31708f;\"\u003e500 g\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: bold; color: #31708f;\"\u003eAUD 132\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #d2e1ec;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003e1 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eAUD 225\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003e5 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eAUD 875\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\u003cdiv style=\"background: #15324b; color: #fff; border-radius: 18px; padding: 28px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 24px;\"\u003e\n\u003cdiv\u003e\n\u003ch3 style=\"margin: 0 0 12px 0; font-size: 22px;\"\u003eAuSaMicS Compliance \u0026amp; Supply Notes\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 15px; color: #d6ecff;\"\u003eSupplied for laboratory and research workflows. Batch-specific documentation may include Certificate of Analysis, Technical Data Sheet, and Safety Data Sheet depending on customer requirements.\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #d6ecff;\"\u003e\u003cstrong\u003eFor laboratory and research use only.\u003c\/strong\u003e Not for household, therapeutic, or pharmaceutical applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 14px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 8px;\"\u003e\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 4px;\"\u003e31 Longview CT, Thomastown, VIC 3074, Australia\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 4px;\"\u003eABN 56676640467\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 4px;\"\u003ewww.ausamics.com.au\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 4px;\"\u003esupport@ausamics.com\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e+61 412 520 598\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":48030971691263,"sku":"AS-1254-500G","price":125.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/ISP_Medium_4_Inorganic_Salts_Starch_Agar_for_Streptomyces.jpg?v=1776047216","url":"https:\/\/ausamics.com.au\/products\/isp-medium-4","provider":"AuSaMicS","version":"1.0","type":"link"}