Plant cell calluses may be made to differentiate into the specialized tissues of a whole plant, with the addition of a number of hormones or enzymes. This is an ability known as totipotency.
A callus is often the target of a gene gun for specific DNA insertion experiments.
Callus tissue is of particular use in micropropagation where it can be used to grow genetically identical copies ofplants
Definition
: 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 useof
lactic acid bacteria(LAB).
Definition
host-synthesized, l
1. Introduction
1) Definition of preservation and food-spoilage micro-organisms
Food preservation is the process of treating and handling food to stop or greatly slow down spoilage (loss of quality, edibility or nutritive value) caused or accelerated by micro-organisms. Some methods, however, use benign bacteria, yeasts or fungi to add specific qualities and to preserve food (e.g., cheese, wine
of the products increased its popularity over the years.
The overwhelming success made way for setting up brand stores in Taiwan and Malaysia.
2) Product facts- Skin Food
One of the key successes of the products lies in the useof natural ingredients.
The Herb Salad range for sensitive skin comprises various herbs and plant ingredients that are devoid of colors and preservatives.
Th
of nicotine that works on the pleasure center in their brain. Cravings are just the body's way of looking for more of the same. Unfortunately, smoking has been linked to several types of cancer, heart disease, and stroke.
2. Cocaine
Cocaine is a highly-addictive stimulant that is made from the leaves of the coca plant. Whether you call it "coke," "blow," or "nose candy," it gives the user a