Investigation on preparation process of pigskin collagen peptide-zinc chelate
WU Jia-jin, BIAN Zhi-jie, ZHU Yue, ZHANG Xue-tao, PANG Li-dan, GAO Peng
Shandong Science . 2020, (3): 53 -61 .  DOI: 10.3976/j.issn.1002-4026.2020.03.008