Healthy Regulation of Tibetan Brassica Rapa L. Polysaccharides on Alleviating Hyperlipidemia: A Rodent Study

•TTP intervention reduced the body weight of hyperlipidemic rats.•TTP was effective in controlling the abnormal metabolism of blood lipids, inflammatory response and metabolic disorders.•TTP regulated the expression of critical enzymes involved in cholesterol and triglyceride synthesis.•TTP lessened intestinal damage and improved intestinal barrier integrity.•TTP modulated the composition and abundance of intestinal flora and increased the content of SCFAs.