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. 2022 Apr 12;15(4):464. doi: 10.3390/ph15040464

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Chemical structures of bioactive compounds identified in Hibiscus sabdariffa calyxes. Structures obtained from PubChem database, National Center for Biotechnology Information (gallic acid CID: 370, syringic acid CID: 689043, caffeic acid CID: 689043, chlorogenic acid CID: 1794427, hibiscus acid CID: 6481826, protocatechuic acid CID: 72, hydroxycitric acid CID: 123908, cyanidin-3-sambubioside CID: 3084569, delphinidin-3-sambubioside CID: 74977035, epigallocatechin gallate CID: 65064, quercetin CID: 5280343, kaempferol CID: 5280863, myricetin CID: 5281672).