Mass Fraction Variation of Alkaloids and Polysaccharides inDendrobium nobile Lindl with Different Harvest Time
LIU Ning, SUN Zhi-Rong, LIAO Xiao-Kang, YUAN Meng-Gui, LI Xin-Yu, ZHANG Hong-Gui
Journal of Jilin University Science Edition . 2010, (03): 511 -515 .