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Flowers And Teas Microwave Dehydration Drying
▪ Uniform drying: No matter what kind of shape, microwave drying can make the object list and uniform penetration and electromagne- tic waves generate heat, dry even made me chat, this is unmatched by other drying equipment.
▪ Drying speed: Microwave directly effect water molecules, make the water in the material rapidly heat up, rapid vaporization, rapid drying, greatly increase the production efficiency.
▪ Not discoloration in drying: The oxidase activity of high temperature passivation, inhibiting the oxidation of polyphenols in tea polyphen- ols in fresh tea, and preventing discoloration. All kinds of fresh vege- tables, delicate flowers can also keep the color like the beginning, the colour is intact.
▪ Drying after the tea quality is good: Because it is the instant high temperature drying, moisture evaporates quickly, easy to form porous surface, good water imbibition, easy to brew, good flavor, filming pr- ocess is very suitable for green tea and tea in the late dry homework.
▪ Applicable materials: Widely used in flowers such as honeysuckle, chrysanthemum and roses, various kinds of fresh vegetables and various kinds of tea and other microwave drying.
Principle of Microwave Sterilization Drying
Microwave sterilization is the result of the combination of thermal and biological effects of electromagnetic fields. The thermal effect of microwaves to bacteria is to make proteins change, causing bacteria to lose nutrients, reproduce and survive conditions. The biological effect of microwave on the bacteria is microwave electric field change in the cross section of the cell membrane potential distribution, influence the membrane surrounding electrons and ions concentration, which change the membrane performance, fully bacteria so malnutrition, cannot normal metabolism, cell structure function disorder, growth is restrained and death. In addition, the microwave can make normal bacteria growth and stable genetic breeding of nucleic acid RNA and DNA, DNA is made up of a number of hydrogen bonding is flabby, faults and restructuring, and thus induce genetic mutations, or chromosome aberration and even rupture.
Microwave Equipment Process Flow
