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Abstract ▼ AI-Helper

The effect of three polyacetylene compounds. panaxydol. panaxynol and panaxytriol isolated from Korean ginseng on $CCI_4-induced$ lipid peroxidation in vitro and in vivo hepatic microsomal lipid peroxidation were investigated. Lipid peroxide levels both in serum and liver and serum enzyme...

The effect of three polyacetylene compounds. panaxydol. panaxynol and panaxytriol isolated from Korean ginseng on $CCI_4-induced$ lipid peroxidation in vitro and in vivo hepatic microsomal lipid peroxidation were investigated. Lipid peroxide levels both in serum and liver and serum enzyme (GOT. GPT. LDH) activities of normal or $CCI_4-treated$ mice and rats were also determined after administration of polyacetylenes. Hepatic microsomal cytochrome P-450 content and activities of aniline hydroxylase and aminopyrine demethylase were measured after treatment of polyacetylenes with or without carbon tetrachloride. As results. treatment with polyacetylenes to control mice did not influence the levels of lipid peroxides and serum enzyme activities while panaxynol did. Panaxynol itself inhibited liver lipid peroxidation in normal mice. Polyacetylene compounds protected hepatic lipid peroxidation and lowered serum lipid peroxide levels induced by $CCI_4$ Polyacetylenes prevented leakage of LDH to serum but elevated GOT and GPT levels caused by $CCI_4$ were not changed by polyacetylene pretreatment. $CCI_4$ caused losses in the content of cytochrome P-450 and activities of aniline hydroxylase and aminopyrine demethylase. When polyacetylenes were treated without $CCI_4$ panaxydol and panaxynol induced aniline hydroxylase and all three polyacetylenes induced aminopyrine demethylase. Cytochrome P-450 contents were not affected by polyacetylenes. In vitro hepatic microsomal lipid peroxidation was inhibited by polyacetylenes and $DL-{\alpha}-tocopherol$ in a concentration-dependent manner.