.2.Natural Antimicrobials of Plant Origin
3.Natural Antimicrobials of Microbial Origin
4.L.egislatory aspects
5.Conclusion
: compounds that have some antimicrobial activity
from nature source
① plant origin
green chemicals
Spices and herbs are well known to inhibit
bacteria, yeasts, and molds.
② Microbial origin
Biopreservatives
main stream field of study is the use of
lactic acid bacteria(LAB).
Definition
host-synthesized, low-molecular-weight, broad-spectrum antimicrobial compounds
Enzymes responsible for synthesis
themselves synthesized
Appear effect at high level of Phytoalexins
Definition
natural antimicrobial compounds
commonly found in fruits and vegetables
Application of Organic Acids
food preservatives
Why? active against a wide range of
microorganisms

분야