Ginnalin A and hamamelitannin: the unique gallotannins with promising anti-carcinogenic potential.

Autor:	Rippin; Department of Biotechnology, Maharishi Markandeshar Engineering College, Maharishi Markandeshwar (Deemed to be University), Haryana 133207, India., Beniwal V; Department of Microbiology, Central University of Haryana, Haryana 123029, India., Sharma A; Department of Chemistry, Career Point University, Hamirpur 176041, Himachal Pradesh, India., Singh BJ; Department of Mechanical Engineering, M.M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Haryana 133207, India., Ramniwas S; University Centre for Research and Development, University Institute of Biotechnology Chandigarh University, Mohali 140413, India., Sak K; Non-government Organization, Praeventio, Tartu 50407, Estonia., Kumar S; College of Horticulture and Forestry, Thunag, Dr. Y. S. Parmar University of Horticulture and Forestry, Solan 173230, India., Sharma AK; Department of Biotechnology, Maharishi Markandeshar Engineering College, Maharishi Markandeshwar (Deemed to be University), Haryana 133207, India.
Jazyk:	angličtina
Zdroj:	Exploration of targeted anti-tumor therapy [Explor Target Antitumor Ther] 2023; Vol. 4 (2), pp. 208-216. Date of Electronic Publication: 2023 Apr 21.
DOI:	10.37349/etat.2023.00129
Abstrakt:	Tannins are secondary metabolites that belong to the family of polyphenolic compounds and have gained a huge interest among researchers due to their versatile therapeutic potential. After lignin, these are the second most abundant polyphenols found in almost every plant part like stem, bark, fruit, seed, leaves, etc. Depending upon their structural composition, these polyphenols can be divided into two distinct groups, namely condensed tannins and hydrolysable tannins. Hydrolysable tannins can be further divided into two types: gallotannins and ellagitannins. Gallotannins are formed by the esterification of D -glucose hydroxyl groups with gallic acid. The gallolyl moieties are bound by a depside bond. The current review focuses mainly on the anti-carcinogenic potential of recently discovered gallotannins, ginnalin A, and hamamelitannin (HAM). Both of these gallotannins possess two galloyl moieties linked to a core monosaccharide having anti-oxidant, anti-inflammatory, and anti-carcinogenic abilities. Ginnalin A is found in plants of the genus Acer whereas HAM is present in witch hazel plants. The biosynthetic pathway of ginnalin A along with the mechanism of the anti-cancer therapeutic potential of ginnalin A and HAM has been discussed. This review will certainly help researchers to work further on the chemo-therapeutic abilities of these two unique gallotannins. Competing Interests: The authors declare that they have no conflicts of interest. (© The Author(s) 2023.)
Databáze:	MEDLINE
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