Analysis of Regional Characteristics of Free Amino Acids in Pulp of    Nagafu 2,, Apples from Different Habitats
SUN Li-jun，GUO Yu-rong，LI Jing-jing，FU Cheng-cheng，LI Zhuo
FOOD SCIENCE . 2012, (5): 53 -57 .  DOI: 10.7506/spkx1002-6630-201205012