What is Nisin E234?
Nisin E234 is a polycyclic antibacterial peptide produced by streptococcus lactis.
Nisin, also known as Streptococcus lactic (strep lactis) peptide, is a natural biological activity of antimicrobial peptides used as a natural food preservative E234.
It is a natural preservative E234 and has a strong inhibitory effect on many gram-positive bacteria, including spoilage and pathogens.
Nisin bacteriocin is the only one bacteriocin that used as E324 food additive.
Nisin E234 structure
Nisin Chemical formula C143H230N42O37S7, The structure has 34 amino acid, including five uncommon amino acids: ABA, DHA, DHB, ALA-S-ALA and ALA-S-ABA.
Nisin E234 Properties
Features:
1)Strong inhibiting activities. Nisin E234 specifically targets the stubborn Bacillus spp. and their spores.
2)High safety. Nisin E234 can be quickly digested into amino acids with the aid of enzymes in human stomach.
3)Good stability. Nisin E234 is stable in acid conditions and can keep active even at 121ºC for 30mins.
4)Easy water soluble.
5)No flavor influence.
FAQ
Q1: Who are we?
Hangzhou Focus Corporation, located in Hangzhou, Zhejiang Province which is next to Shanghai port and Ningbo Port. We have become a key supplier of Food Additive and Ingredients in international market. We supply over 100 kinds of high-grade products covering areas of baking, confectionary, beverage, meat processing and spices. Our products include: Sweeteners, Thickeners, Acidulants, Preservatives, Antioxidants, Phosphates, Flavorings, Emulsifiers, Proteins,Nutritions, Emulsifiers and so on.Our honorable clients are both manufacturing users and wholesalers, from more than 50 countries all over the world. Our professional sales team, well-established sourcing.
Q2:How can we guarantee quality?
Quality is always the most important factor we are considering. We have passed ISO 9001, HACCP and HALAL certificate, and get a good reputation and great favor from our customers. Besides, we are a member of China Fermentation Industry Association, which is strong technology alliance with advanced domestic, abroad research institutes, focusing on enterprise self-development, and committed to enhance production and product technology for the food industry.
Q3: what services can we provide?
1. We can provide mixed containers with different mixed items in one container. 2. We will control the quality, and offer free samples for test before shipment. After shipment, we will keep the samples for 3years. 3. We can arrange shipment promptly with professional documents. 4. We can make the packages as you request, and send you photos before shipment.
Q4: What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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