Cellulose

Laminaria japonica was purchased from the Tulip Crown Food Co., Ltd. (Fuzhou, China). Simvastatin, sodium cholate, sodium deoxycholate, sodium taurocholate, sodium glycocholate, cholestyramine, cellulose, orlistat, and p-nitrophenyl butyrate were purchased from Sigma-Aldrich (United States). cellulose, pectinase, pancreatic, and pancreatic lipase were purchased from the Solarbio Technology Co., Ltd. (Beijing, China). TC, TG, LDL-C, and HDL-C kits were purchased from the Nanjing Jiancheng Bioengineering Institute (Nanjing, China). Other reagents used in the study were of analytical grade.

The detection kit of lignin (Item no. BC4205), cellulose (Item no. BC4285), and hemicellulose (Item no. BC4445) contents were purchased from Beijing Solarbio Science & Technology Co., Ltd. The detection kit of tannin contents (Item no. JC0106-M) was purchased from Genepioneer Biotechnologies. The contents of flavone were detected with public plant flavone detection methods (DB43/T 476-2009). The insoluble protein contents detection was used with traditional Coomassie brilliant blue methods. The One-way ANOVA method with Multiple comparisons test (Tukey) was used for statistical analysis.