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Nisin

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- Minimum Order

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China

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Contacter maintenant

Qingdao A and D Food Chemical Co., Ltd

China

Membre gratuit

Personne Ã contacter Ms. Angelina

Shenzhen Road, Qingdao,China, Qingdao, Shandong

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SpÃ©cification du produit

La description

Nisin is a natural antimicrobial agent used as a preservative in heat processed and low pH foods. According to the Food Chemical News Guide (a reference guide to the uses of foods additives permitted under Federal Law), a nisin preparation is a concentrate of dry material derived from the controlled fermentation of a naturally occurring milk bacteria Streptococcus lactis. This bacterium contains nisin, a group of related peptides (partial amino acid chains that make up proteins) with antibiotic activity. The chemical nisin cannot be synthesized artificially, so the nisin-producing bacteria are basically farmed for their synthesis of nisin.

Nisin is a natural antimicrobial agent used as a preservative in heat processed and low pH foods. According to the Food Chemical News Guide (a reference guide to the uses of foods additives permitted under Federal Law), a nisin preparation is a concentrate of dry material derived from the controlled fermentation of a naturally occurring milk bacteria Streptococcus lactis. This bacterium contains nisin, a group of related peptides (partial amino acid chains that make up proteins) with antibiotic activity. The chemical nisin cannot be synthesized artificially, so the nisin-producing bacteria are basically farmed for their synthesis of nisin.

Molecular Formula: C **3H **8N *2O *7S 7

Molecular Weight: ***8

Character:

Nisin is white color powder with hydrous potency ***0IU/mg. It is stable in room temperature and acidity condition even heated. It can endurance *0 min in pH=2.0 , **1 ºC and *5 min in pH=3.0 , **1 ºC . But at the high pH, the stability of activity can be greatly affected.

Quality Specification:

Item	Standard	Item	Standard
Appearance	Grey or White Powder	Sodium Chloride	Min *0%
Water Content	Max 3%	Hydrous Potency	Min 1 × *0 6 IU/g
pH of *0% Aqueous Solution	3.**3.0	Microbiological Count	Max *0/g
Pb	Max *0mg/kg	E.Coli in *5g	Absent
As	Max 3mg/kg	Salmonella in *5g	Absent

Amount for Application: GB ********8; FAO/WHO, ***4; FDA § **4.1; EEC

Toxicity: GRAS(FDA § **4.***8, ***4); ADI ****0 IU/kg (FAO/WHO, ***4)

Packing: **0g**0bottles/carton;***0g**0bottles/carton; as customers request.

Storage: Store unopened under *0ºC In dry conditions, away from direct sunlight. When opened, store under *0ºC in original container in dry conditions, away from direct sunlight. Shelf life is *8 months when stored according to recommendations.

Pays:	China
N Â° de modÃ¨le:	-
Prix FOB:	(Negotiable) Obtenir le dernier prix
LocalitÃ©:	-
Prix de commande minimale:	-
Commande minimale:	-
Packaging Detail:	-
Heure de livraison:	-
Capacité de Fournir:	-
Payment Type:	-
Groupe de produits :	-