| The study was to examine yield and active constituent on three varieties of Gynostemma pentaphyllum; such as Angkhang, Sibsong punna and Local variety for selecting a good variety which were grow at amphur Phurua Loei province with attitude approximately 900 matre from sea level. The transfered seedling from cutting one month old and 50% light shading. G. pentaphyllum was harvested at the age of 4 months (Apr - Jul 2011), dried with hot air oven at 60-65 ºc for 6 hours and determine total saponin content. It was found that fresh weight and dry weight were significant difference (p < 0.01) between the varieties. Fresh weight of Angkhang, Sibsong punna and Local variety were 387.9, 272.9 and 126.1 kg./rai, respectively, and dry weight were 45.8, 40.4 and... |
