Analysis on Varieties and Contents of Vitamin of Younger Leaves of Mentha haplocalyx Briq. and Mentha spicata L.
YANG Guo-li，WU Wei*，ZHENG You-liang，CHEN Li，ZHANG Xu
FOOD SCIENCE . 2009, (2): 228 -231 .  DOI: 10.7506/spkx1002-6630-200902052