in vitro Antioxidant Activity of Ethanol Extract of Maca (Lepidium meyenii Walpers) Cultivated in Yunnan
HE Zhao，FENG Ying*，XU Long-feng，SUN Long，SHI Lei，CHEN Xiao-ming，ZHANG Zhong-he
FOOD SCIENCE . 2010, (15): 39 -43 .  DOI: 10.7506/spkx1002-6630-201015009