{"product_id":"mrs-broth-without-glucose-de-man-rogosa-sharpe-medium-carbohydrate-free-broth-base-for-lactic-acid-bacteria-fermentation-studies-cat-as-1448","title":"MRS Broth Without Glucose (De Man, Rogosa \u0026 Sharpe Medium) Carbohydrate-Free Broth Base for Lactic Acid Bacteria; Fermentation Studies, Cat: AS-1448","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cmeta name=\"description\" content=\"MRS Broth Without Glucose (AS-1448) by AuSaMicS Life Science. Glucose-free dehydrated MRS Broth for LAB fermentation and carbohydrate-utilisation studies.\"\u003e \u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e \u003clink rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Syne:wght@400;600;700;800\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;family=JetBrains+Mono:wght@400;600\u0026amp;display=swap\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n:root{--ink:#203129;--ink2:#355247;--ink3:#5b7b6f;--green:#5E9F68;--green2:#7DBA78;--pale:#EEF8EB;--pale2:#F6FBF4;--gold:#D9B44A;--cream:#F3F8F0;--white:#fff;--border:#DCE8DB;--fontH:'Syne',sans-serif;--fontB:'DM Sans',sans-serif;--mono:'JetBrains Mono',monospace}\n*{box-sizing:border-box}\nbody{margin:0;background:#fff;font-family:var(--fontB);color:var(--ink)}\n.wrap{max-width:1100px;margin:auto;padding:0 4px}\n.hero{background:linear-gradient(145deg,#6AAE72,#8BC785 50%,#C8E7BE);border-radius:20px;padding:44px 40px 40px;margin-bottom:32px;position:relative;overflow:hidden;box-shadow:0 12px 40px rgba(73,120,88,.13)}\n.hero:after{content:'MRS−G';font-family:var(--mono);font-size:92px;font-weight:600;color:rgba(255,255,255,.09);position:absolute;right:0;bottom:-12px}\n.eyebrow{font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:#F8F4D8;margin-bottom:14px}\nh1{font-family:var(--fontH);font-size:clamp(25px,4vw,38px);color:#fff;margin:0 0 8px}\n.sub{font-size:15px;color:rgba(255,255,255,.84);margin-bottom:18px}\n.desc{font-size:15px;color:rgba(255,255,255,.94);line-height:1.75;max-width:720px;margin-bottom:22px}\n.badges{display:flex;flex-wrap:wrap;gap:8px}\n.badge{font-size:11.5px;font-weight:700;padding:6px 13px;border-radius:100px;background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.3)}\n.badge.gold{background:var(--gold);color:#284431;border:none}\n.quick{margin-top:26px;background:rgba(39,86,49,.18);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:18px 22px;display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}\n.q{color:#fff;font-size:13px} .q strong{display:block;color:#FFF3B8;font-size:10px;text-transform:uppercase;letter-spacing:.07em;margin-bottom:3px}\n.tabs{margin-bottom:28px}\ninput[type=radio]{display:none}\n.nav{display:flex;gap:4px;background:var(--cream);padding:6px 6px 0;border:1px solid var(--border);border-bottom:none;border-radius:12px 12px 0 0;overflow-x:auto}\n.nav label{font-family:var(--fontH);font-size:12.5px;font-weight:700;text-transform:uppercase;padding:10px 18px 12px;color:var(--ink3);cursor:pointer}\n.body{border:1px solid var(--border);border-radius:0 0 12px 12px;padding:32px}\n.panel{display:none}\n#t1:checked ~ .body #p1,#t2:checked ~ .body #p2,#t3:checked ~ .body #p3,#t4:checked ~ .body #p4{display:block}\n#t1:checked ~ .nav label[for=t1],#t2:checked ~ .nav label[for=t2],#t3:checked ~ .nav label[for=t3],#t4:checked ~ .nav label[for=t4]{background:#fff;color:var(--green);border:1px solid var(--border);border-bottom:1px solid #fff;margin-bottom:-1px}\n.section{font-family:var(--fontH);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--green);border-bottom:2px solid var(--gold);display:inline-block;padding-bottom:8px;margin-bottom:20px}\nh3{font-family:var(--fontH);font-size:18px;color:#416F4B;margin:28px 0 12px}\np{font-size:14px;line-height:1.8;color:var(--ink2)}\n.callout{background:var(--pale);border:1px solid #CFE8C9;border-left:5px solid var(--green2);border-radius:12px;padding:18px 22px;margin:20px 0;font-size:13.5px;line-height:1.7;color:var(--ink2)}\n.warn{background:#FFF9EA;border:1px solid #F3DB9B;border-left:5px solid #B7791F;border-radius:12px;padding:18px 22px;margin:20px 0;font-size:13.5px;line-height:1.7;color:#6B4B12}\ntable{width:100%;border-collapse:collapse;font-size:13px;margin:0 0 24px;border:1px solid var(--border)}\nth{background:var(--green);color:#FFF5C9;text-align:left;padding:12px 14px;font-family:var(--fontH);font-size:10.5px;text-transform:uppercase;letter-spacing:.08em}\ntd{padding:11px 14px;border-bottom:1px solid #EDF4EC;vertical-align:top}\ntr:nth-child(even) td{background:var(--pale2)}\n.footer{border-top:1px solid #EDF4EC;padding-top:22px;margin-top:28px;font-size:12px;color:var(--ink3);line-height:1.7}\n.footer a{color:#416F4B;font-weight:600;text-decoration:none}\n@media(max-width:780px){.hero{padding:30px 22px}.body{padding:20px 16px}}\n\u003c\/style\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"hero\"\u003e\n\u003cdiv class=\"eyebrow\"\u003eAuSaMicS Life Science™ · Dehydrated Culture Media · Fermentation · Probiotics · LAB Research\u003c\/div\u003e\n\u003ch1\u003eMRS Broth Without Glucose\u003cspan style=\"font-weight: 400; font-size: .58em;\"\u003e (De Man, Rogosa \u0026amp; Sharpe Medium)\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cdiv class=\"sub\"\u003eCarbohydrate-Free Broth Base for Lactic Acid Bacteria \u0026amp; Fermentation Studies  |  Cat: AS-1448\u003c\/div\u003e\n\u003cdiv class=\"desc\"\u003eA modified MRS Broth supplied \u003cstrong\u003ewithout glucose \/ dextrose\u003c\/strong\u003e, allowing laboratories to select and add the carbohydrate source separately. Designed for \u003cstrong\u003eLactobacillus species and other lactic acid bacteria (LAB)\u003c\/strong\u003e, particularly in fermentation, carbohydrate-utilisation and comparative growth studies.\u003c\/div\u003e\n\u003cdiv class=\"badges\"\u003e\n\u003cspan class=\"badge gold\"\u003eAS-1448\u003c\/span\u003e\u003cspan class=\"badge\"\u003eWithout Glucose\u003c\/span\u003e\u003cspan class=\"badge\"\u003eDehydrated Powder\u003c\/span\u003e\u003cspan class=\"badge\"\u003eCOA + SDS Available\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quick\"\u003e\n\u003cdiv class=\"q\"\u003e\n\u003cstrong\u003eCatalogue\u003c\/strong\u003eAS-1448\u003c\/div\u003e\n\u003cdiv class=\"q\"\u003e\n\u003cstrong\u003eGlucose\u003c\/strong\u003eNot Included\u003c\/div\u003e\n\u003cdiv class=\"q\"\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003eDehydrated Broth Medium\u003c\/div\u003e\n\u003cdiv class=\"q\"\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003eLAB \/ Fermentation\u003c\/div\u003e\n\u003cdiv class=\"q\"\u003e\n\u003cstrong\u003eDocumentation\u003c\/strong\u003eTDS · SDS · COA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tabs\"\u003e\n\u003cinput type=\"radio\" name=\"tabs\" id=\"t1\" checked\u003e\u003cinput type=\"radio\" name=\"tabs\" id=\"t2\"\u003e\u003cinput type=\"radio\" name=\"tabs\" id=\"t3\"\u003e\u003cinput type=\"radio\" name=\"tabs\" id=\"t4\"\u003e\n\u003cdiv class=\"nav\"\u003e\n\u003clabel for=\"t1\"\u003eProduct Description\u003c\/label\u003e\u003clabel for=\"t2\"\u003eTDS\u003c\/label\u003e\u003clabel for=\"t3\"\u003eSDS\u003c\/label\u003e\u003clabel for=\"t4\"\u003eCOA\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"body\"\u003e\n\u003cdiv class=\"panel\" id=\"p1\"\u003e\n\u003cdiv class=\"section\"\u003eOverview\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eMRS Broth Without Glucose (AS-1448)\u003c\/strong\u003e is a modified version of de Man, Rogosa and Sharpe Broth in which the standard glucose \/ dextrose component has been omitted.\u003c\/p\u003e\n\u003cp\u003eThe medium retains the nutrient-rich MRS base required to support lactic acid bacteria while allowing the user to introduce a selected carbohydrate independently. This is particularly useful for fermentation, carbohydrate-utilisation, comparative growth and strain-screening studies.\u003c\/p\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eFlexible carbohydrate selection:\u003c\/strong\u003e Add glucose, lactose, fructose, sucrose, maltose or another validated carbohydrate separately according to the experimental design.\u003c\/div\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eTypical Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbohydrate utilisation studies\u003c\/td\u003e\n\u003ctd\u003eCompare LAB growth on different sugars without background glucose in the base medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFermentation research\u003c\/td\u003e\n\u003ctd\u003eControlled addition of selected fermentable carbohydrate substrates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLactobacillus cultivation\u003c\/td\u003e\n\u003ctd\u003eGrowth of Lactobacillus species after supplementation with the desired carbohydrate in liquid culture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbiotic R\u0026amp;D\u003c\/td\u003e\n\u003ctd\u003eScreening of strain-specific carbohydrate preferences and growth responses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFood \u0026amp; dairy microbiology\u003c\/td\u003e\n\u003ctd\u003eResearch involving LAB metabolism in dairy, fermented foods and functional ingredients\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel\" id=\"p2\"\u003e\n\u003cdiv class=\"section\"\u003eTechnical Data Sheet Summary\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCatalogue Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAS-1448\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMRS Broth Without Glucose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDehydrated microbiological culture medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlucose \/ dextrose omitted from the standard MRS formulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLAB cultivation, fermentation studies and carbohydrate comparison experiments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAppearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBeige to light yellow powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStore tightly closed in a cool, dry place, protected from moisture and direct light.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e AS-1448 does not contain glucose \/ dextrose. For applications requiring a fermentable carbohydrate, add the required sugar separately at the concentration specified by the laboratory method or experimental design.\u003c\/div\u003e\n\u003ch3\u003eTypical Preparation\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStep 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuspend the recommended quantity of dehydrated medium in purified water.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStep 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdd the selected carbohydrate separately where required by the intended application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStep 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat with frequent agitation until the medium components are completely dispersed and dissolved.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStep 4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSterilise according to the current AuSaMicS product documentation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStep 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCool as required and dispense or use according to the validated laboratory method.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003ePreparation note:\u003c\/strong\u003e Follow the concentration, final pH and preparation conditions stated on the current AuSaMicS label, TDS or lot-specific documentation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel\" id=\"p3\"\u003e\n\u003cdiv class=\"section\"\u003eSafety Data Sheet Summary\u003c\/div\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eLaboratory product:\u003c\/strong\u003e Handle using standard laboratory hygiene practices and appropriate personal protective equipment.\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLaboratory, research, educational and approved industrial microbiology use only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHuman \/ Veterinary Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot intended for human or veterinary therapeutic use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvoid generating or inhaling dust. Avoid contact with eyes and prolonged skin contact.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePPE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLaboratory coat, gloves and eye protection recommended during handling and preparation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKeep container tightly closed in a cool, dry location protected from moisture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBiological Safety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnce inoculated, treat prepared medium as potentially biohazardous and follow institutional biosafety procedures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisposal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDispose in accordance with local laboratory and biological waste requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eFull SDS:\u003c\/strong\u003e Contact \u003ca href=\"mailto:support@ausamics.com\"\u003esupport@ausamics.com\u003c\/a\u003e quoting catalogue number \u003cstrong\u003eAS-1448\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel\" id=\"p4\"\u003e\n\u003cdiv class=\"section\"\u003eCertificate of Analysis\u003c\/div\u003e\n\u003cp\u003eEach released batch of MRS Broth Without Glucose (AS-1448) can be supplied with a lot-specific Certificate of Analysis documenting applicable finished-product quality checks.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTest Parameter\u003c\/th\u003e\n\u003cth\u003eTypical Specification \/ Release Check\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\u003eBeige to light yellow, homogeneous powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrepared Appearance\u003c\/td\u003e\n\u003ctd\u003eClear to slightly opalescent, light amber solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003eWithin the product specification stated on the batch COA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrowth Promotion\u003c\/td\u003e\n\u003ctd\u003eSupports expected growth of appropriate lactic acid bacteria reference strains after suitable carbohydrate supplementation where required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Performance\u003c\/td\u003e\n\u003ctd\u003eAcceptable clarity and appearance after recommended preparation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatch Documentation\u003c\/td\u003e\n\u003ctd\u003eLot number, release data and applicable QC results\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eBatch-specific COA:\u003c\/strong\u003e Contact \u003ca href=\"mailto:support@ausamics.com\"\u003esupport@ausamics.com\u003c\/a\u003e quoting the catalogue number and lot number.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"footer\"\u003e\n\u003cstrong\u003eFor laboratory, research, educational and approved industrial microbiology use only.\u003c\/strong\u003e\u003cbr\u003eAuSaMicS Pty Ltd · ABN 56 676 640 467 · 36\/25 Trafalgar Road, Epping VIC 3076, Australia · \u003ca href=\"https:\/\/ausamics.com.au\"\u003eausamics.com.au\u003c\/a\u003e\u003cbr\u003eProduct documentation available: TDS · SDS · Lot-specific COA\u003c\/div\u003e\n\u003c\/div\u003e","brand":"AuSaMicS","offers":[{"title":"500 g","offer_id":49006905819391,"sku":"AS-1448-500G-1","price":155.0,"currency_code":"AUD","in_stock":true},{"title":"1 kg","offer_id":49006905852159,"sku":"AS-1448-1KG","price":245.0,"currency_code":"AUD","in_stock":true}],"url":"https:\/\/ausamics.com.au\/products\/mrs-broth-without-glucose-de-man-rogosa-sharpe-medium-carbohydrate-free-broth-base-for-lactic-acid-bacteria-fermentation-studies-cat-as-1448","provider":"AuSaMicS","version":"1.0","type":"link"}