8F Yamaguchi, Y Ota, C Hatanaka. Extraction and purification of pectic polysacchrides from soybean okara and enzymaticanalysis of their structures[J]. Carbohydrate Polymers, 1996 ( 30 ) : 265-273.
9RunCang Sun, G L Jones, J Tomkinson. Fractional isolation and partial characterization of non-starch polysaccharides and lignin from sago pith[J]. Industrial Crops and Products,1999 ( 19 ) :211-220.
10Yuerong Liang, Yuerong Xu. Effect of pH on cream panicle formation and solids extraclion yield of black tea[J]. Food Chemistry, 2001 ( 74 ) : 155-160.