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Yun Huang,Kenneth Kin Leung Kwan,Ka Wing Leung,Ping Yao,HuaiyouWang,Tina Tingxia Dong,Karl Wah Keung Tsim 고려인삼학회 2019 Journal of Ginseng Research Vol.43 No.4
Background: The root of Panax ginseng, a member of Araliaceae family, has been used as herbal medicineand functional food in Asia for thousands of years. According to Traditional Chinese medicine, ginseng isthe most widely used “Qi-invigorating” herbs, which provides tonic and preventive effects by resistingoxidative stress, influencing energy metabolism, and improving mitochondrial function. Very few reportshave systematically measured cell mitochondrial bioenergetics after ginseng treatment. Methods: Here, H9C2 cell line, a rat cardiomyoblast, was treated with ginseng extracts having extractedusing solvents of different polarity, i.e., water, 50% ethanol, and 90% ethanol, and subsequently, theoxygen consumption rate in healthy and tert-butyl hydroperoxideetreated live cultures was determinedby Seahorse extracellular flux analyzer. Results: The 90% ethanol extracts of ginseng possessed the strongest antioxidative and tonic activities tomitochondrial respiration and therefore provided the best protective effects to H9C2 cardiomyocytes. Byincreasing the spare respiratory capacity of stressed H9C2 cells up to three-folds of that of healthy cells,the 90% ethanol extracts of ginseng greatly improved the tolerance of myocardial cells to oxidativedamage. Conclusion: These results demonstrated that the low polarity extracts of ginseng could be the bestextract, as compared with others, in regulating the oxygen consumption rate of cultured cardiomyocytesduring mitochondrial respiration.
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