Lysozyme is used as a natural preservative in the food industry to inhibit the growth and reproduction of microorganisms in food and extend the shelf life of food. It has a strong decomposition effect on Gram-positive bacteria and a certain degree of dissolution effect on Gram-negative bacteria. The addition of lysozyme can enhance the preservation effect of food, and it has the characteristics of good thermal stability and wide pH adaptability.
Lysozyme, also known as muramidase, is a protein widely found in nature, including human tears, saliva, egg white, and a variety of plants and animals. It breaks the β-1,4 glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine in the bacterial cell wall, causing the bacterial cell wall to rupture, resulting in the leakage of bacterial contents and death, thereby achieving antibacterial effects.
Lysozyme is a widely existing protein that is non-toxic and harmless. It can specifically act on the cell wall of the target microorganism. It has antibacterial effects on Gram-positive bacteria, aerobic spore-forming bacteria, Bacillus subtilis, Bacillus licheniformis, etc., and has high safety. It has been widely used in food processing (food preservatives, preservatives, infant formula), animal husbandry, cosmetics and medicine. In animal husbandry, due to the increasingly prominent food safety issues caused by the abuse of antibiotics in animal breeding in recent years, lysozyme has gradually received attention and has been applied to animal production, such as being used for intestinal health of young animals, replacing antibiotics in feed, and being used as a feed preservative and bactericide, etc.
Lysozyme is an excellent natural antibacterial protein. As a substance produced by organisms themselves, lysozyme is considered a safe natural preservative.
Lysozyme can destroy the β-1,4 glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine in the bacterial cell wall, causing the cell wall to rupture and the bacteria to dissolve. It is particularly effective against Gram-positive bacteria.
Lysozyme has certain health functions and can be used as an additive in nutritional supplements, especially in baby food. Adding lysozyme to infant formula can help improve the baby's intestinal tract's ability to resist infection.
Lysozyme: a natural defender of food preservation and safety
ITEMS |
STANDARDS |
RESULTS |
Product Name |
Lysozyme |
/ |
Appearance |
White powder |
Conforms |
Odor & Taste |
Characteristic odor and taste |
Conforms |
Moisture(%) |
≤ 7 |
3.9 |
Identifiable Activity |
Positive for Lysozyme Activity |
Complies |
Lysozyme Activity (u/mg) |
≥20,000 |
21,460 |
Total Bacteria Count(CFU/g) |
≤ 3,000 CFU/g |
10 CFU/g |
Coliform BacteriaCFU/g |
≤30 CFU/g |
<10 CFU/g |
Molds and YeastsCFU/g |
≤ 100 CFU/g |
<10 CFU/g |
E. coli |
Absent |
Not Detected |
Salmonella |
Absent |
Not Detected |
Staphylococcus aureus |
Absent |
Not Detected |
Pseudomonas aeruginosa |
Absent |
Not Detected |
≤ 3 |
<3 |
|
Mercury (ppm) |
≤ 0. 1 |
<0. 1 |
Cadmium (ppm) |
≤ 1 |
<1 |
Arsenic (ppm) |
≤ 1 |
<1 |
Packing: |
25kg/bottles Store in cool and dry place protected from light, keep barrel close when not in use. |
|
Conclusion: |
The product was inspected according to conform Internal standards standard, and the results were in line with the regulations and judged to be qualified. |
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