A Novel Technological Process of Extracting l-Tyrosine with Low Fluorine Content from Defatted Antarctic Krill (Euphausia superba) By-product by Enzymatic Hydrolysis - Wang, Yanchao; Chang, Yaoguang; Yin, Li’ang; Xue, Yong; Li, Zhaojie; Xue, Changhu (Food and Bioprocess Technology, 2015)