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Hibiscus leaf extract may kill melanoma cancer cells

Hibiscus leaf is a rich source of polyphenols which are thought to have hypolipidemic (lipid-lowering) and antioxidant effects. However the scientists, led by Chun-Tang Chui from the Institute of Biochemistry and Biotechnology in Taiwan, claimed that this was the first study focusing on the polyphenols and their anti-melanoma mechanisms. Melanoma is the least common but most fatal form of skin cancer and is resistant to most forms of treatment including chemotherapy.

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Dr. Sears Comments:

Dr. Barry Sears

Unfortunately, few polyphenols ever enter the body. Petri-dish experiments are interesting but not clinically relevant until you can demonstrate significant blood levels upon oral supplementation. Polyphenol extracts from the maqui berry are one of the few polyphenols that have high water solubility.

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