2.Emerging Preservation
3.Conclusion
To stop or greatly slow down spoilage of food
Preventing
the growth of bacteria, fungi, and other micro-organisms
the oxidation of fats which cause rancidity
natural aging and discoloration
Drying, freezing, vacuum-packing, canning, pickling, salting, smoking, food irradiation, and adding preservatives, etc.
Various food-spoilage micro-organisms leads development of various modern technologies
▶ Inhibition of spoilage lactic acid bacteria(LAB) by lysozyme during wine alcoholic fermentation
LAB culture; Lactobacillus kunkeei, Lactobacillus brevis,
Pediococcus parvulus, and Pediococcus damnosus.
Lysozyme did not have any negative impact on yeast growth and sugar reduction
Very effective in inhibiting the growth of all four LAB cultures investigated
The acetic acid production by L. brevis and L. kunkeei was significantly reduced(P < 0.01)
Lysozyme may be a useful tool for winemakers to control the growth of spoilage LAB and to reduce the production of volatile acids
▶ Antibacterial properties of hen egg white lysozyme against beer spoilage bacteria and effect of lysozyme on yeast fermentation
antibacterial activity against Gram-positive bacteria + no activity against yeast.
Lysozyme can be used for the specific inhibition of beer spoilage bacteria
Lactic acid bacteria strains are sensitive to the antibacterial effect of lysozyme
No negative effect is observed on the yeast fermentation performance

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