Preclinical Studies II
Objective: To investigate the hypocholestrolemic effects of an alcoholic extract of C.
mukul and a pure steroid isolated from the extract in normal albino rats and
triton-induced hyperlipidemic rats.
Methods: Normal rats: Eighteen male rats were divided
into 3 groups. Group I served as controls (received saline), group II received the
alcoholic guggul extract, and group III received the pure steroid. Blood samples were
analyzed for serum cholesterol after 7 and 14 days.
Triton-treated rats: Hypercholesterolemia
was induced in eighteen male rats by administration of an injection of 20 mg/kg body
weight of triton. The rats were divided into 3 groups of 6. One group served as the
controls, another was given the alcoholic guggul extract, and the third group was given
the pure steroid. Blood samples were analyzed for serum cholesterol after 18-20 hours.
Effect of guggul and guggul steroid on the serum cholesterol levels of normal albino rats (mean
Effect of guggul and guggul steroid on the serum cholesterol levels of triton-induced
hypercholesterolemic rats at 18-20 hours (mean values) .
Conclusions: Both the guggul resin and steroid reduced serum cholesterol in the
animals, but the steroids effects were more marked than the extract.
Objective: To determine if C. mukul
could reduce estrogen-induced hyperlipidemia in chicks.
Methods: Sixty male chicks were divided into 3 groups
of 20. Group I served as normal controls. Group II served as estrogen-induced
hypercholesterolemic controls, they received 4.0 mg/kg body weight of estrogen (estradiol)
per day. Group III received 4.0 mg/kg body weight of estrogen (estradiol) and 3 g/kg body
weight of gum guggul extract. Blood samples were analyzed for serum lipids, and the
animals were sacrificed to study their organs. The experiment continued for 15 days (fig
Effect of guggul extract on the serum lipid levels of chicks at the end of 2 weeks.4 (values
are mean ± S.E.)
Liver and body weights of the guggul-treated chicks were much
less than their estrogen-induced hyperlipidemic controls. Histological studies showed
abnormal cells and follicles filled with colloidal substance in the estrogen-induced
controls. Compared to the estrogen-induced controls, the guggul-treated groups
follicles were fully vacuolated.
Conclusions: The guggul extract was effective in reducing
the serum lipids as well as liver lipids and body weights of estrogen-induced
hypercholesterolemic chicks. The hypolipidemic action of guggul may be due to guggul's
effect on thyroid activity.
have not been evaluated by the Food and Drug Administration.
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