Fig. 1. Effect of rice bran (RB), wheat bran (WB), corn bran (CB), oat bran (OB), soy fiber (SF), pectin (PEC), guar gum (GG), oat gum (OG) and psyllium (PSY) on serum cholesterol levels in rats. The soluble and viscous fibers SF, PEC, GG, OG, and PSY produce significant cholesterol-lowering in rats [17].

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