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245	1	0	_aVolatile Profiles and DNA Barcodes of Myrtaceae Species with Occurrence in the Brazilian Amazon
490	0		_aChemistry and Biodiversity. 21(7), e202400388, 2024, DOI: 10.1002/cbdv.202400388
520	3		_aMyrtaceae family includes many species with taxonomic challenges, making it one of the most complex families to identify. This study used DNA barcoding to find molecular markers for species authentication based on the Myrtaceae family's chemical composition and genetic diversity. Essential oils and genetic material were extracted from the leaves of six different species: Eugenia uniflora, E. patrisii, Myrcia splendens, Psidium guajava, P. guineense, and Psidium sp. The samples were analyzed based on compound classes and grouped into two categories. Group I included samples with high amounts of oxygenated sesquiterpenes (3.69-76.05 %) and fatty acid derivatives (0.04-43.59 %), such as E. uniflora, Myrcia splendens, and E. patrisii. Group II included samples P. guajava, P. guineense, and Psidium sp., which had a significant content of monoterpene hydrocarbons (0.69-72.35 %), oxygenated sesquiterpenes (8.06-68.1 %), phenylpropanoids (0.45-22.59 %), and sesquiterpene hydrocarbons (0.27-21.84 %). The PsbA-trnH gene sequences had a high genetic variability, allowing the species to be distinguished. A phylogenetic analysis showed two main clusters with high Bootstrap values corresponding to the subtribes Eugeniineae, Myrciinae, and Pimentinae. The results suggest a weak correlation between genetic and chemical data in these Myrtaceae species. © 2024 Wiley-VHCA AG, Zurich, Switzerland.
650	1	4	_aCHEMICAL VARIABILITY
650	1	4	_aDNA BARCODE
650	1	4	_aESSENTIAL OIL
650	1	4	_aPSBA-TRNH
650	1	4	_aTERPENOIDS
700	1	2	_ados Santos E.L.
700	1	2	_aXavier J.K.A.M.
700	1	2	_aGalvão P.L.N.
700	1	2	_aCarneiro Nunes A.R.
700	1	2	_aAlegria O.V.C.
700	1	2	_aMoreira E.C.O.
700	1	2	_aMaia J.G.S.
700	1	2	_aSetzer W.N.
700	1	2	_aFigueiredo P.L.B.
700	1	2	_ada Silva J.K.R.
856	4	0	_uhttps://drive.google.com/file/d/1ug1RuKLMBAJMI7n0phCg4z7I3ZN5KhAw/view?usp=drive_link _zPara ver el documento ingresa a Google con tu cuenta @cicy.edu.mx
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