Nuclear Magnetic Resonance Fingerprints and Mini DNA Markers for the Authentication of Cinnamon Species Ingredients Used in Food and Natural Health Products

Overview

Journal Plants (Basel)

Date 2024 Apr 9

PMID 38592863

Authors

Subramanyam Ragupathy

Arunachalam Thirugnanasambandam

Varathan Vinayagam

Steven G Newmaster

Affiliations

Soon will be listed here.

Abstract

(syn ) is considered 'true' cinnamon. However, it is reported that less expensive sources of cinnamon from (syn ), , and (toxic coumarin) may be used in the place of . We lack the quality assurance tools that are required to differentiate from other cinnamon species when verifying that the correct species is sourced from ingredient suppliers. The current research on cinnamon species authentication using DNA tools is limited to a few species and the use of high-quality DNA extracted from raw leaf materials. The cinnamon bark traded in the supply chain contains much less DNA and poorer-quality DNA than leaves. Our research advances DNA methods to authenticate cinnamon, as we utilized full-length chloroplast genomes via a genome skimming approach for and to facilitate the design of optimal mini DNA markers. Furthermore, we developed and validated the use of NMR fingerprints for several commercial cinnamon species, including the quantification of 16 molecules. NMR fingerprints provided additional data that were useful for quality assessment in cinnamon extract powders and product consistency. Both the new mini DNA markers and NMR fingerprints were tested on commercial cinnamon products.

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