6S P Meyers,David Bligh. Characterization of astaxanthin pigments from heat-processed crawfish waste[ J]. J. Agric. Food Chem. , 1981 ( 29 ) : 505 - 508.
7B K Simpson, N F Haard. The use of proteolytic enzymes to extract carotenoproteins from shrimp wastes [ J ]. J. Appl. Biochem. , 1955 (7) :212 -222.
8M S Heu, J SKim, F Shahidi. Components and nutritional quality of shrimp processing by-products [ J ]. Food Chem. , 2003 ( 82 ) : 235- 242.
9[3]Xu,H.X.,Spencer,H.S.L.,Song,F.L.,Robert,L.W.,&Jonathan,B.Isolation and characterization of an anti-HSV polysaccharides from Prunella vulgaris.Antiviral Research[J],1999,44:43-54
10[7]Box G E P.Hunter W G Statistics for experiments:an introduction to design,data analysis and model building[M].New Nork:Wiley,1990
