After the confirmation by examination mass spectro found peak time 12.50 minutes the molecular ion at M / Z 291.0, which is in the form of a single platform. Effect of catechin peak standard time 12.50 minutes, then called peak at a time 12.50 is peak of cetachin and know catechin can be extracted by means of SFE and detected. After calculation, it was found that the plants with quantity. Catehin most is MK.
การแปล กรุณารอสักครู่..