Nisin Raw material Nisin powder

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Product details

Nisin powder Usage and Synthesis.

It is widely used in dairy products, meat products, fruit juice drinks, vegetable protein drinks, beer and so on.

1、China's "Hygienic Standard for the Use of Food Additives" (GB2760-1996) stipulates that: for canned food and vegetable protein drinks, the maximum use amount is 0.2g/Kg; for dairy products and meat products, the maximum use amount is 0.5g/kg.

2、Actual use reference:

Streptococcus lactis has been used in the following aspects:

A. Used in dairy products, such as cheese, sterilized milk and flavored milk, etc. The dosage is 1-10mg/kg.

B. Used in canned food, such as pineapple, cherries, apples, peaches, canned green beans and tomato sauce, etc., the dosage is 2-2.5mg/kg.

Uses of Nisin powder.

Streptococcus lactis is a narrow-spectrum antimicrobial agent, which can only kill and inhibit Gram-positive bacteria, and is ineffective against yeasts, Gram-negative bacteria and molds.

China's regulations can be used in meat and dairy products, the maximum use of 0.5g/kg; in plant protein drinks and canned maximum use of 0.2g/kg.

Streptococcus lactis (Innis), also known as Streptococcus lactis peptide, is a kind of peptide produced by Streptococcus lactis, which will be hydrolyzed into amino acid under the physiological pH condition of human body and the action of α-pancreatic rennet proteinase after consumption, and it will not change the normal bacterial flora of the human intestinal tract and produce the resistance problems such as those appeared in other antimicrobials, and it will not be cross-resistant with other antimicrobials. It is an efficient, non-toxic, safe and excellent natural food preservative.

It can effectively inhibit the nutrient cells and spores of various Gram-positive bacteria such as thermophilic fat bacillus, Bacillus cereus, Staphylococcus aureus, Listeria monocytogenes, Clostridium botulinum and so on.

Characteristics of Nisin powder.

nisin is a peptide antimicrobial secreted by Streptococcus lactis, consisting of 34 amino acids. The solubility in water depends on the Ph value, the solubility is 12% when the Ph value is 2.5, and decreases to 4% when the Ph value is 5.0, and it is insoluble in water under neutral and alkaline conditions.The heat resistance is good when the Ph value is 2, and decreases when the Ph value is more than 5. Rat oral LD507000mg/kg, ADI0-0.33000I.U./kg.

Product method of Bulk Nisin powder.

Yeast powder is used as raw material, fermented by lactic acid streptococcus under certain conditions. The fermentation liquid is steam sterilized and then acidified, concentrated, filtered, salted and spray dried to get the finished product.

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