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KMID : 0603820170230020080
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Journal of Experimental & Biomedical Science
2017 Volume.23 No. 2 p.80 ~ p.88
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Effect of Ginkgo biloba Extract (EGb 761) on Serum Cholesterol Levels in Wild-type C57Bl/6 Mice
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Hong Jin-Sung
Kim Jin-Woo
Yoon Byung-Il
Rhee Ki-Jong
Rha Chang Six
Jung Bae-Dong
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Abstract
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Ginkgo biloba extract (EGb 761) is a standardized extract of Ginkgo biloba leaves and has anti- atherosclerosis properties. Many patients with atherosclerosis disorders take Ginkgo biloba extracts to supplement current therapy. In addition, normal healthy individuals also take Ginkgo biloba extracts for prophylactic purposes. However, it is unknown whether supplementation of Gingko biloba extracts in healthy individuals offer a benefit. In this study, we assessed whether EGb 761 could provide beneficial effects on serum cholesterol levels in normal mice. Wild-type C56Bl/6 mice were orally administered EGb 761 at 25 mg/kg (Group 3) or 50 mg/kg (Group 4) every other day for 40 days. We found that the serum levels of HDL-cholesterol (HDL-C) were significantly increased in EGb 761 and lovastatin treated groups. Treatment with EGb 761 and lovastatin resulted in reduced serum total cholesterol and LDL-cholesterol (LDL-C) compared to control group. Serum lecithin cholesterol acyltransferase (LCAT) levels were higher in EGb 761 and lovastatin treated group compared to the control group. However, no difference was observed in serum APO A-I levels between the control group and treatment group. These results suggest that EGb 761 can increase HDL-C resulting in increased serum LCAT levels.
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KEYWORD
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Ginkgo biloba extract , Cholesterol , HDL-cholesterol , LDL-cholesterol , Lecithin cholesterol acyltransferase
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