{"id":10247,"date":"2024-10-08T09:57:08","date_gmt":"2024-10-08T09:57:08","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=10247"},"modified":"2024-10-08T09:57:08","modified_gmt":"2024-10-08T09:57:08","slug":"streptococcus-lactis-2","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/streptococcus-lactis-2\/","title":{"rendered":"Hvilke anvendelsesmuligheder har Streptococcus lactis som konserveringsmiddel i f\u00f8devarer?"},"content":{"rendered":"<h1>Hvilke anvendelsesmuligheder har Streptococcus lactis som konserveringsmiddel i f\u00f8devarer?<\/h1>\n<p>Introduktion<br \/>\nStreptococcus lactis (CNS: 17.019; INS: 234) National standard: GB 1886.231-2016 National standard for f\u00f8devaresikkerhed F\u00f8devaretils\u00e6tningsstof Streptococcus lactis<br \/>\nOrganoleptisk indeks: lysebrunt til m\u00e6lkehvidt pulver<br \/>\nKarakteristika: Streptococcus lactis er uopl\u00f8selig i upol\u00e6re opl\u00f8sningsmidler, opl\u00f8seligheden i vand afh\u00e6nger af Ph-v\u00e6rdien, opl\u00f8seligheden er 12%, n\u00e5r Ph-v\u00e6rdien er 2,5, og falder til 4%, n\u00e5r Ph-v\u00e6rdien er 5,0, og den er uopl\u00f8selig i vand under neutrale og alkaliske forhold.<br \/>\nDer er to hovedformer af Streptococcus lactis i sin naturlige tilstand, NisinA og NisinZ, som er raffineret fra fermenteringskulturen af Streptococcus lactis, og sidstn\u00e6vnte har en st\u00f8rre opl\u00f8selighed og antimikrobiel kapacitet end f\u00f8rstn\u00e6vnte.<br \/>\nAnvendelse i f\u00f8devarer<br \/>\nAnvendelse i k\u00f8dprodukter kan effektivt h\u00e6mme Gram-positive bakterier, der for\u00e5rsager f\u00f8devareforringelse, s\u00e5som Listeria monocytogenes, Staphylococcus aureus, Clostridium botulinum og mange slags ford\u00e6rvelsesmikroorganismer osv. Dens konserverende effekt er indlysende, og den kan forl\u00e6nge holdbarheden betydeligt med 2-3 gange. Tils\u00e6tning af 5-15 g\/100 kg Streptococcus lactis i kombination med en lille m\u00e6ngde andre konserveringsmidler kan<br \/>\ng\u00f8r holdbarheden af k\u00f8dprodukter med lav temperatur mere end tre m\u00e5neder ved stuetemperatur.<br \/>\nVed anvendelse af mejeriprodukter i PH-v\u00e6rdien p\u00e5 4 eller s\u00e5 yoghurt, frugtm\u00e6lk tils\u00e6ttes 0,05 g \/ kg m\u00e6lkesyre streptococcus lactis, 90 \u2103, 20 min steriliseret produktholdbarhed fra 6d ved stuetemperatur til mere end en m\u00e5ned; ved ultrah\u00f8j temperatursterilisering, aseptisk fyldem\u00e6lk, tils\u00e6t 0.05g\/kg m\u00e6lkesyre streptococcus lactis produktforringelsesgrad p\u00e5 0,04% ned til 0; tils\u00e6t 0,08-0,1g\/kg m\u00e6lkesyre streptococcus lactis i beholderen, tils\u00e6t 0,08-0,1g\/kg m\u00e6lkesyre streptococcus lactis i beholderen, tils\u00e6t 0,08-0,1g\/kg m\u00e6lkesyre streptococcus lactis. Tils\u00e6t 0,08-0,1 g\/kg streptococcus lactis i us\u00f8det kondenseret m\u00e6lk p\u00e5 d\u00e5se kan h\u00e6mme v\u00e6ksten af varmebestandige sporer og reducere varmebehandlingstiden med 10 minutter; tils\u00e6t 0.08g\/kg streptococcus lactis kan varmebehandlingen ved 121\u2103 i 3min (F0=3) g\u00f8re fedtfattig k\u00e6rnem\u00e6lk, usaltet sm\u00f8r, fedtfri k\u00e6rnem\u00e6lk og aromatiseret m\u00e6lk kan efterlades ved 40\u2103 og kan bevares i op til 6 uger; tils\u00e6t 0.05g\/kg - 0,1g\/kg streptococcus lactis til ost reduceres produktets ford\u00e6rvelsesgrad fra 0,04% til 0; tils\u00e6t 0,05g\/kg -0,1g\/kg streptococcus lactis til aseptisk emballeret m\u00e6lk. I ost kan tils\u00e6tning af 0,05g\/kg-0,1g\/kg Streptococcus lactis l\u00f8se ford\u00e6rvelsen for\u00e5rsaget af varmebestandige Gram-positive sporer (f.eks. Clostridium botulinum og andre anaerobe Clostridium, Lactobacillus bulgaricus osv.) under osteforarbejdning.<br \/>\nAnvendelse i d\u00e5semad<br \/>\nKonserves er ofte forurenet med nogle ekstremt varmebestandige bakteriesporer, s\u00e5som termofile fedtbaciller og Clostridium thermolyticum-sporer, n\u00e5r forholdene er egnede, vil de vokse og for\u00e5rsage gasproduktion, syreproduktion og korruption.0,1 g \/ kg Streptococcal m\u00e6lkesyre tilsat til konserves, kan g\u00f8re konserves konserveret i 2 \u00e5r under de varme forhold. Og kan reducere intensiteten af varmebehandling 1\/2, spare energi, d\u00e5se mad for at opretholde god n\u00e6ringsv\u00e6rdi, udseende, smag, farve, opretholde produktkvalitet, forl\u00e6nge holdbarheden af f\u00f8devarer, effekten er bedre end kaliumsorbat.<br \/>\nI de kogte akvatiske produkter i anvendelsen af fisk, friske rejer og andre skaldyrsprodukter med sin l\u00e6kre og h\u00f8je n\u00e6ringsv\u00e6rdi elsket af folket, og mere kold mad, p\u00e5 grund af let at korruption og forringelse, let at lide af Listeria monocytogenes og E - Clostridium botulinum forurening, kontrol af f\u00e6rdige produkter i antallet af bakterier er meget vigtigt. Tils\u00e6tning af 0,1-0,15 g\/kg Streptococcus lactis kan h\u00e6mme v\u00e6ksten og reproduktionen af ford\u00e6rvelsesbakterier, hvilket forl\u00e6nger produktets friskhed og holdbarhed. R\u00e5 rejek\u00f8d som hovedmateriale, forarbejdet rejehakket, generelt kun 2d holdbarhed, tils\u00e6tning af m\u00e6lkesyre streptokokker kan g\u00f8re holdbarheden p\u00e5 60 ~ 70 dage.<br \/>\nAnvendelse i frugtsaftdrikke for\u00e5rsager harskning af frugtsaft og frugtsaftdrikke fra den sure jordbacillus, bakterien er en slags syrebestandig og varmebestandig sporeproducerende stavformede bakterier. Den er velegnet til v\u00e6kst og reproduktion under milj\u00f8et 25 \u2103 - 60 \u2103, pH 2,5-6,0. I processen med drikkevareproduktion og vandbrug er der eksistensen af Bacillus acidus, som let kan bringes ind i produkterne af frugtsaft og saftdrik for at for\u00e5rsage korruption af frugtsaftprodukter.<br \/>\nTils\u00e6tning af 0,05-0,1 g\/kg Streptococcus lactis og pasteurisering kan forhindre v\u00e6kst og reproduktion af overlevende Bacillus acidus-sporer, hvilket forhindrer \u00f8del\u00e6ggelse af produkterne og opfylder kravene til kvalitetssikring.<br \/>\nAnvendelse i flydende \u00e6g og \u00e6ggeprodukter 0,05g\/kg-0,1g\/kg Streptococcus lactis tilsat \u00e6ggeprodukter kan effektivt h\u00e6mme de varmebestandige sporer, der for\u00e5rsager produktford\u00e6rv, og forl\u00e6nge holdbarheden af \u00e6ggeprodukter med den oprindelige holdbarhed p\u00e5 7 dage til mere end 1 m\u00e5ned.<br \/>\nAnvendelse af 0,05 g\/kg-0,2 g\/kg Streptococcus lactis tilsat salatdressing kan effektivt h\u00e6mme v\u00e6ksten af m\u00e6lkesyrebakterier og sporer, s\u00e5 produkter med lavt fedt- og saltindhold vil reducere ford\u00e6rv og forl\u00e6nge holdbarheden mere end 3 gange.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hvad er anvendelsesmulighederne for Streptococcus lactis som konserveringsmiddel i f\u00f8devarer? Introduktion Streptococcus lactis (CNS: 17.019; INS: 234) National standard: GB 1886.231-2016 National standard for f\u00f8devaresikkerhed F\u00f8devaretils\u00e6tningsstof Streptococcus lactis Organoleptisk indeks: lysebrunt til m\u00e6lkehvidt pulver Karakteristika: Streptococcus lactis er uopl\u00f8selig i ikke-pol\u00e6re opl\u00f8sningsmidler, opl\u00f8seligheden i vand afh\u00e6nger af Ph-v\u00e6rdien, [...].<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the preservative applications of Streptococcus lactis in food? - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/da\/streptococcus-lactis-2\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the preservative applications of Streptococcus lactis in food? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"What are the preservative applications of Streptococcus lactis in food? 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