... oil-saving)instant noodles, noodles, rice powder noodles, soy products, beef jerky, preserved meat, dried fish ,tea, tobacco and so on; ... on the bacteria denatures the protein of bacteria ,and make the bacteria lost the condition of nutrition,reproduction and survival ... compactly hydrongen bond .The microwave can be strong enough to make hydrogen bond stack ,rupture and recombine ,and induce intragenic ...