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 quality and quarantine, all areas in which food irradiation has demonstrated practical benefits when integrated within an established system for the safe handling and distribution of food. In addition, with increasingly restricted regulations or complete prohibition on the use of a number of chemical fumigants for insect and microbial control in food, irradiation is an effective alternative to
of gold or other metal, producing a stream of X-rays.
Like gamma rays,
X-rays can pass through thick foods,
require heavy shielding for safety.
Like E-beams,
the machine can be switched on and off.
no radioactive substances are involved.
→ The size of the DNA "target" in the organism is a major factor.
Parasites and insect pests : large amoun
1) Skin Food brand facts
The first store was opened in the Myeong-Dong district in Seoul in December 2004.
At present(May 2009)thereare 287retail stores and plans are on for setting more stores. It is one of the fastest growing brands in the Korean skin care market.
The natural appeal of the products increased its popularity over the years.
The overwhelming success made way for setting up
1-1. CESCO (Chunwoo Environment Service Co. LTD)
CESCO is the fifth biggest insect control company of the world, the biggest pest control company of the Asia. It provides total hygiene service about infectiousness malignant bacilli which can cause many kinds of disease and hamper a life environment. It has an advanced Research and Development system of pest control and the biggest plenty of cust