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. 2022 Mar 23;27(7):2076. doi: 10.3390/molecules27072076

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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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Structural formulas of saffron constituents safranal (A) [61], trans-crocetin (B) [62], picrocrocin (C) [63], and trans-crocetin digentiobiose ester (D) [64], one of crocin’s many forms [65].