Effect of Protein and Anthraquinone Glucosides from Cassia Seed on Serum Lipid of Hyperlipidemia Rats Comparative study between Cassia Seed and processed cassia seed on anti-oxidation effect and NO/ET secretion Influence of Decocting Time on the Amount of Anthraguinone Diffused from Cassia Seeds Effects of different extration conditions on UV absorption spectrum of cassia seed extract