Journal of Pharmacy and Nutrition Sciences

Effects of Antrodia Camphorata Mycelia Extract Containing Antroquinonol on Lowering Low-Density Lipoprotein Cholesterol: A Randomized Double-Blind Study
Pages 73-80
Miles Chih-Ming Chen, Pei-Ni Chen, Howard Hao-Yu Cheng, Wayne Ching-Cheng Wei, Ryuji Takeda, Mitsuko Mori and Kiichiro Mochida
DOI:
http://dx.doi.org/10.6000/1927-5951.2017.07.03.1
Published: 14 July 2017


Abstract:  Objective: Antrodia camphorata is a type of true fungus that grows only on Cinnamomum camphora trees, also known as Cinnamomum kanehirae (“kashi”) in Taiwan. Antroquinonol is a characteristic component of A. camphorata mycelia extract and was previously shown to exhibit antitumor action and lower blood cholesterol (total cholesterol and low-density lipoprotein [LDL] cholesterol) in cellular and animal models. So, This study examined the ability of A. camphorata mycelia extract to reduce LDL cholesterol in humans.

Methods: We conducted a randomized double-blind trial in 26 subjects with either borderline LDL cholesterol (120–139 mg/dL; n = 11) or mildly elevated LDL cholesterol (140–159 mg/dL; n = 15). Participants ingested tablets containing either 25 mg of A. camphorata mycelia extract (antroquinonol: 0.68 mg; n = 14) or a placebo (n = 12) for 12 weeks.

Results: The test group showed a significant reduction in LDL cholesterol when compared with the placebo group after 12 weeks of tablet ingestion (p < 0.05), demonstrating the effects of A. camphorata mycelia extract on LDL cholesterol. A. camphorata mycelia extract also tended to reduce total cholesterol when compared with the placebo (p < 0.10). The borderline LDL cholesterol and mildly elevated LDL cholesterol subgroups showed a significant reduction in LDL cholesterol in subjects who ingested A. camphorata mycelia extract compared with those who ingested the placebo, again demonstrating the LDL cholesterol-lowering effect of the extract.

Conclusion: A. camphorata mycelia extract lowers LDL cholesterol in individuals with somewhat high LDL cholesterol levels.

This clinical trial was registered with the University Hospital Medical Information Network (UMIN no. # 000019670).

Keywords:
Antrodia camphorate, Antroquinonol, LDL-cholesterol, LDL receptor genes, randomized placebo-controlled double-blind study.

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