Contrasting Metabolic Fingerprints and Seed Protein Profiles of Cucurbita foetidissima and C. radicans Fruits from Feral Plants Sampled in Central Mexico

Cucurbita foetidissima and C. radicans are scarcely studied wild pumpkin species that grow in arid and semi-arid areas of Mexico and the United States. This study describes the morphological, proximal composition, metabolic finger-prints and seed protein profile...

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Autores principales:	Claudia Mejía-Morales, Ramón Rodríguez-Macías, Eduardo Salcedo-Pérez, Juan Francisco Zamora-Natera, Fabián Alejandro Rodríguez-Zaragoza, Jorge Molina-Torres, John Paul Délano-Frier, Julia Zañudo-Hernández
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cucurbitacins flavonoids morphology non-structural carbohydrates neutral lipids phenolic acids Botany QK1-989
Acceso en línea:	https://doaj.org/article/8b342381c54a4b2aa7caf1a67d59816d
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spelling	oai:doaj.org-article:8b342381c54a4b2aa7caf1a67d59816d2021-11-25T18:46:42ZContrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico10.3390/plants101124512223-7747https://doaj.org/article/8b342381c54a4b2aa7caf1a67d59816d2021-11-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2451https://doaj.org/toc/2223-7747<i>Cucurbita foetidissima</i> and <i>C. radicans</i> are scarcely studied wild pumpkin species that grow in arid and semi-arid areas of Mexico and the United States. This study describes the morphological, proximal composition, metabolic finger-prints and seed protein profiles of <i>C. foetidissima</i> and <i>C. radicans</i> fruits collected in the wild during a one-year period in different locations of central-western Mexico. The results obtained complement the limited information concerning the fruit composition of <i>C. foetidissima</i> and greatly expand information in this respect regarding <i>C. radicans</i>. Morphology and proximal composition of their fruits varied significantly. Different metabolic fingerprints and seed protein profiles were detected between them and also with the chemical composition of domesticated <i>Cucurbita</i> fruits. The neutral lipids in seed, pulp and peels were rich in wax content and in unsaturated compounds, probably carotenoids and tocopherols, in addition to tri-, di- and mono-acylglycerols. The tri- and diacylglycerol profiles of their seed oils were different from commercial seed oils and between each other. They also showed unusual fatty acid compositions. Evidence of a possible alkaloid in the pulp and peel of both species was obtained in addition to several putative cucurbitacins. An abundance of phenolic acids was found in all fruit parts, whereas flavonoids were only detected in the peels. Unlike most cucurbits, globulins were not the main protein fraction in the seeds of <i>C. radicans</i>, whereas the non-structural carbohydrate and raffinose oligosaccharide content in their fruit parts was lower than in other wild cucurbit species. These results emphasize the significantly different chemical composition of these two marginally studied <i>Cucurbita</i> species, which was more discrepant in <i>C. radicans</i>, despite the notion regarding <i>C. foetidissima</i> as an aberrant species with no affinity to any other <i>Cucurbita</i> species.Claudia Mejía-MoralesRamón Rodríguez-MacíasEduardo Salcedo-PérezJuan Francisco Zamora-NateraFabián Alejandro Rodríguez-ZaragozaJorge Molina-TorresJohn Paul Délano-FrierJulia Zañudo-HernándezMDPI AGarticlecucurbitacinsflavonoidsmorphologynon-structural carbohydratesneutral lipidsphenolic acidsBotanyQK1-989ENPlants, Vol 10, Iss 2451, p 2451 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cucurbitacins flavonoids morphology non-structural carbohydrates neutral lipids phenolic acids Botany QK1-989
spellingShingle	cucurbitacins flavonoids morphology non-structural carbohydrates neutral lipids phenolic acids Botany QK1-989 Claudia Mejía-Morales Ramón Rodríguez-Macías Eduardo Salcedo-Pérez Juan Francisco Zamora-Natera Fabián Alejandro Rodríguez-Zaragoza Jorge Molina-Torres John Paul Délano-Frier Julia Zañudo-Hernández Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico
description	<i>Cucurbita foetidissima</i> and <i>C. radicans</i> are scarcely studied wild pumpkin species that grow in arid and semi-arid areas of Mexico and the United States. This study describes the morphological, proximal composition, metabolic finger-prints and seed protein profiles of <i>C. foetidissima</i> and <i>C. radicans</i> fruits collected in the wild during a one-year period in different locations of central-western Mexico. The results obtained complement the limited information concerning the fruit composition of <i>C. foetidissima</i> and greatly expand information in this respect regarding <i>C. radicans</i>. Morphology and proximal composition of their fruits varied significantly. Different metabolic fingerprints and seed protein profiles were detected between them and also with the chemical composition of domesticated <i>Cucurbita</i> fruits. The neutral lipids in seed, pulp and peels were rich in wax content and in unsaturated compounds, probably carotenoids and tocopherols, in addition to tri-, di- and mono-acylglycerols. The tri- and diacylglycerol profiles of their seed oils were different from commercial seed oils and between each other. They also showed unusual fatty acid compositions. Evidence of a possible alkaloid in the pulp and peel of both species was obtained in addition to several putative cucurbitacins. An abundance of phenolic acids was found in all fruit parts, whereas flavonoids were only detected in the peels. Unlike most cucurbits, globulins were not the main protein fraction in the seeds of <i>C. radicans</i>, whereas the non-structural carbohydrate and raffinose oligosaccharide content in their fruit parts was lower than in other wild cucurbit species. These results emphasize the significantly different chemical composition of these two marginally studied <i>Cucurbita</i> species, which was more discrepant in <i>C. radicans</i>, despite the notion regarding <i>C. foetidissima</i> as an aberrant species with no affinity to any other <i>Cucurbita</i> species.
format	article
author	Claudia Mejía-Morales Ramón Rodríguez-Macías Eduardo Salcedo-Pérez Juan Francisco Zamora-Natera Fabián Alejandro Rodríguez-Zaragoza Jorge Molina-Torres John Paul Délano-Frier Julia Zañudo-Hernández
author_facet	Claudia Mejía-Morales Ramón Rodríguez-Macías Eduardo Salcedo-Pérez Juan Francisco Zamora-Natera Fabián Alejandro Rodríguez-Zaragoza Jorge Molina-Torres John Paul Délano-Frier Julia Zañudo-Hernández
author_sort	Claudia Mejía-Morales
title	Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico
title_short	Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico
title_full	Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico
title_fullStr	Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico
title_full_unstemmed	Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico
title_sort	contrasting metabolic fingerprints and seed protein profiles of <i>cucurbita foetidissima</i> and <i>c. radicans</i> fruits from feral plants sampled in central mexico
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8b342381c54a4b2aa7caf1a67d59816d
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Contrasting Metabolic Fingerprints and Seed Protein Profiles of <i>Cucurbita foetidissima</i> and <i>C. radicans</i> Fruits from Feral Plants Sampled in Central Mexico

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