Abstract:

Microwave-assisted extraction techniques of flavonods from Com Silk were studied by the single factor analysis and orthogonal test. The results showed that the optimum conditions were the concentration of ethanol 50%, the ratio of material to liquid 1: 50 (g: mL), the extracting temperature 70℃ and the extracting times 8 min. The extraction rate of flavonoids was 1.13%. Compared with the tradition water extraction method, the time of microwave-assisted extraction shortens by 9/10 and the extraction rate increases by 11%.