his product is a quick RNA extraction kit without phenol or chloroform. With the unique lysis buffer/ β- mercaptoethanol, the kit can rapidly pyrolysis cells and inactivate RNA enzymes. And the plant RNA reagent helps to bind the polyphenols and polysaccharides in order to remove them by centrifugation. And then by adding ethanol, the RNA will be adsorbed on a silicon membrane inside the spin column at the high salt state. Through a series of quick rinse centrifugal steps, the kit will remove the cellular metabolites, proteins and other impurities entirely. Finally, it will elute the purified RNA from silicon substrate membrane elution in the low salt solution. The high quality kit of the DNA residue-free by adding DNase I with the specific steps of digestion gets no DNA residue but the high-quality RNA