Biomol Ther.
2018 Nov;26(6):568-575. 10.4062/biomolther.2017.215.
Longevity and Stress Resistant Property of 6-Gingerol from Zingiber officinale Roscoe in Caenorhabditis elegans
- Affiliations
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- 1College of Pharmacy, Woosuk University, Jeonju 55338, Republic of Korea. dkkim@woosuk.ac.kr
- 2Hanpoong Pharm. Co., LTD, Wanju 55336, Republic of Korea.
- 3Sunchang Research Institute of Health and Longevity, Sunchang 56015, Republic of Korea.
- KMID: 2427510
- DOI: http://doi.org/10.4062/biomolther.2017.215
Abstract
- In order to discover lifespan-extending compounds made from natural resources, activity-guided fractionation of Zingiber officinale Roscoe (Zingiberaceae) ethanol extract was performed using the Caenorhabditis elegans (C. elegans) model system. The compound 6-gingerol was isolated from the most active ethyl acetate soluble fraction, and showed potent longevity-promoting activity. It also elevated the survival rate of worms against stressful environment including thermal, osmotic, and oxidative conditions. Additionally, 6-gingerol elevated the antioxidant enzyme activities of C. elegans, and showed a dose-depend reduction of intracellular reactive oxygen species (ROS) accumulation in worms. Further studies demonstrated that the increased stress tolerance of 6-gingerol-mediated worms could result from the promotion of stress resistance proteins such as heat shock protein (HSP-16.2) and superoxide dismutase (SOD-3). The lipofuscin levels in 6-gingerol treated intestinal worms were decreased in comparison to the control group. No significant 6-gingerol-related changes, including growth, food intake, reproduction, and movement were noted. These results suggest that 6-gingerol exerted longevity-promoting activities independently of these factors and could extend the human lifespan.
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