Peltomexicanin, a peltogynoid quinone methide from peltogyne mexicana martínez purple heartwood

Paulina Gutiérrez-Macías; Javier Peralta-Cruz; Amparo Borja-de-la-Rosa; Blanca E. Barragán-Huerta; Marcello Iriti

doi:10.3390/molecules21020186

Peltomexicanin, a peltogynoid quinone methide from peltogyne mexicana martínez purple heartwood

Paulina Gutiérrez-Macías, Javier Peralta-Cruz, Amparo Borja-de-la-Rosa, Blanca E. Barragán-Huerta, Marcello Iriti

Escuela Nacional de Ciencias Biológicas (ENCB)

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

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Resumen

Peltomexicanin (7,10-dihydroxy-6,12-dioxa-5H-tetraphen-3-one) is a new peltogynoid quinone methide isolated from Palo Morado (Peltogyne mexicana Martínez) heartwood by column chromatography. Its chemical structure was elucidated by IR, NMR (¹H, ¹³C), 2D NMR experiments (COSY, NOESY, HMQC, and HSQC), ESI-MS, and UV-Vis spectroscopic analysis. According to HPLC quantification, this compound is the main pigment and accounts for 1.21% of Palo Morado heartwood material. The antioxidant activity of peltomexicanin and dried methanolic extract (DEx) of purple heartwood was evaluated using the radical of 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assay, and the corresponding values expressed as Trolox equivalents (μmol TE/mg sample) were 4.25 and 4.57, respectively.

Idioma original	Inglés
Número de artículo	186
Publicación	Molecules
Volumen	21
N.º	2
DOI	https://doi.org/10.3390/molecules21020186
Estado	Publicada - feb. 2016

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title = "Peltomexicanin, a peltogynoid quinone methide from peltogyne mexicana mart{\'i}nez purple heartwood",

abstract = "Peltomexicanin (7,10-dihydroxy-6,12-dioxa-5H-tetraphen-3-one) is a new peltogynoid quinone methide isolated from Palo Morado (Peltogyne mexicana Mart{\'i}nez) heartwood by column chromatography. Its chemical structure was elucidated by IR, NMR (1H, 13C), 2D NMR experiments (COSY, NOESY, HMQC, and HSQC), ESI-MS, and UV-Vis spectroscopic analysis. According to HPLC quantification, this compound is the main pigment and accounts for 1.21% of Palo Morado heartwood material. The antioxidant activity of peltomexicanin and dried methanolic extract (DEx) of purple heartwood was evaluated using the radical of 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assay, and the corresponding values expressed as Trolox equivalents (μmol TE/mg sample) were 4.25 and 4.57, respectively.",

keywords = "Peltogyne mexicana Mart{\'i}nez, Peltogynoids, Peltomexicanin, Purple heartwood, Quinone methide",

author = "Paulina Guti{\'e}rrez-Mac{\'i}as and Javier Peralta-Cruz and Amparo Borja-de-la-Rosa and Barrag{\'a}n-Huerta, {Blanca E.} and Marcello Iriti",

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doi = "10.3390/molecules21020186",

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T1 - Peltomexicanin, a peltogynoid quinone methide from peltogyne mexicana martínez purple heartwood

AU - Gutiérrez-Macías, Paulina

AU - Peralta-Cruz, Javier

AU - Borja-de-la-Rosa, Amparo

AU - Barragán-Huerta, Blanca E.

AU - Iriti, Marcello

PY - 2016/2

Y1 - 2016/2

N2 - Peltomexicanin (7,10-dihydroxy-6,12-dioxa-5H-tetraphen-3-one) is a new peltogynoid quinone methide isolated from Palo Morado (Peltogyne mexicana Martínez) heartwood by column chromatography. Its chemical structure was elucidated by IR, NMR (1H, 13C), 2D NMR experiments (COSY, NOESY, HMQC, and HSQC), ESI-MS, and UV-Vis spectroscopic analysis. According to HPLC quantification, this compound is the main pigment and accounts for 1.21% of Palo Morado heartwood material. The antioxidant activity of peltomexicanin and dried methanolic extract (DEx) of purple heartwood was evaluated using the radical of 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assay, and the corresponding values expressed as Trolox equivalents (μmol TE/mg sample) were 4.25 and 4.57, respectively.

AB - Peltomexicanin (7,10-dihydroxy-6,12-dioxa-5H-tetraphen-3-one) is a new peltogynoid quinone methide isolated from Palo Morado (Peltogyne mexicana Martínez) heartwood by column chromatography. Its chemical structure was elucidated by IR, NMR (1H, 13C), 2D NMR experiments (COSY, NOESY, HMQC, and HSQC), ESI-MS, and UV-Vis spectroscopic analysis. According to HPLC quantification, this compound is the main pigment and accounts for 1.21% of Palo Morado heartwood material. The antioxidant activity of peltomexicanin and dried methanolic extract (DEx) of purple heartwood was evaluated using the radical of 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assay, and the corresponding values expressed as Trolox equivalents (μmol TE/mg sample) were 4.25 and 4.57, respectively.

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KW - Peltogynoids

KW - Peltomexicanin

KW - Purple heartwood

KW - Quinone methide

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U2 - 10.3390/molecules21020186

DO - 10.3390/molecules21020186

M3 - Artículo

SN - 1420-3049

VL - 21

JO - Molecules

JF - Molecules

IS - 2

M1 - 186

ER -

Peltomexicanin, a peltogynoid quinone methide from peltogyne mexicana martínez purple heartwood

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