The Comparison of Antioxidant Activity of Four Natural Pigments from Folium Perilliae
XU Ya-min, MA Yue, ZHAO Xiao-yan, WEI Lei, MENG Xian-jun
ACTA AGRICULTURAE BOREALI-SINICA . 2007, (2): 187 -190 .  DOI: 10.3321/j.issn:1000-7091.2007.02.046