Natural food preservatives for baked goods
Polylysine (ε-poly-L-lysine) is a natural food preservative produced through natural fermentation using the bacteria Streptomyces and more specifically Streptomyces albulus under aerobic conditions. Polylysine consists as a small natural homo-polymer (25-30 L-lysine residues) of the essential amino acid, L-lysine. Its application includes cakes, rice, cheese and other dairy foods and meats.
Application in Food
Currently, ε-Polylysine is widely used in food, beverage such as: cake, pastry, snack foods, butter, salad, sauce, beverage, wine, meat product, cans, etc. The dosage in different types of food can be referenced in table 1.
Food Type | Recommend Usage (U.S.A.) | |
Cooked product | Sausages | 100—250mg/kg |
Ham | 100—250mg/kg | |
Fresh meat | Cold fresh | 200—400mg/kg(surface treatment) |
Frozen meat | 200—400mg/kg(surface treatment) | |
Beverage | Pure water | 50—100mg/L |
Fruit drink | 100—200mg/L | |
Protein beverage | 100—200mg/L | |
Water-based seasonings drinks | 100—200mg/L | |
Tea,coffee,herbal drink | 100—200mg/L | |
Seafood | Fresh aquatic product | 200—400mg/kg(surface treatment) |
Frozen seafood and product | 200—400mg/kg(surface treatment) | |
Prefabrication of aquatic products | 150—300mg/kg | |
Cooked aquatic products | 150—300mg/kg | |
Bakery | Bread | 100—200mg/kg |
Asian pastry | 150—250mg/kg | |
Biological, Natural, Favorable ——BNF
——Essence of BaiNaFo Products
Bainafo Bioengineering Co., Ltd. was founded in December, 2007 with registered capital of 10 million RMB and a production area of 55,000 square meters.
We are a high-tech enterprise researching and producing all sorts of natural biological products, such as organic food additives and pharmaceutical intermediates.
We have 120 employees, and 90% of the employees have received post-secondary education or above.
We have obtained ISO9001:2008 quality management system and ISO22000:2006 food safety management system certifications.
Currently, we have a set of patented technology and products with our own intellectual property rights.
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Packages: Strong damp-proof, water-proof packing
1kg,2kg, 25kg or packed to customer's requirements.
Physical and Chemical Properties
Appearance and Physical State: highly hygroscopic pale yellow powder
Melting Point: 172.8 °C
Solubility in Water: soluble
Molecular Weight: 4700 g/mol (degree of polymerization = 30)
Shelf life: Two years in cool (0-20°C), dry conditions, away from direct sunlight in original unopened packs.