Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers

Flowers have been used for centuries in decoration and traditional medicine, and as components of dishes. In this study, carotenoids and phenolics from 125 flowers were determined by liquid chromatography (RRLC and UHPLC). After comparing four different extractants, the carotenoids were extracted wi...

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Autores principales:	Antonio J. Meléndez-Martínez, Ana Benítez, Mireia Corell, Dolores Hernanz, Paula Mapelli-Brahm, Carla Stinco, Elena Coyago-Cruz
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	antioxidants edible flowers functional foods petals phytochemicals retinol activity equivalents Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/9b369293b2044f75a53ac3a76c2dcf5b
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spelling	oai:doaj.org-article:9b369293b2044f75a53ac3a76c2dcf5b2021-11-25T17:33:34ZScreening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers10.3390/foods101126252304-8158https://doaj.org/article/9b369293b2044f75a53ac3a76c2dcf5b2021-10-01T00:00:00Zhttps://www.mdpi.com/2304-8158/10/11/2625https://doaj.org/toc/2304-8158Flowers have been used for centuries in decoration and traditional medicine, and as components of dishes. In this study, carotenoids and phenolics from 125 flowers were determined by liquid chromatography (RRLC and UHPLC). After comparing four different extractants, the carotenoids were extracted with acetone: methanol (2:1), which led to a recovery of 83%. The phenolic compounds were extracted with 0.1% acidified methanol. The petals of the edible flowers <i>Renealmia alpinia</i> and <i>Lantana camara</i> showed the highest values of theoretical vitamin A activity expressed as retinol activity equivalents (RAE), i.e., 19.1 and 4.1 RAE/g fresh weight, respectively. The sample with the highest total phenolic contents was <i>Punica granatum</i> orange (146.7 mg/g dry weight). It was concluded that in most cases, flowers with high carotenoid contents did not contain high phenolic content and vice versa. The results of this study can help to develop innovative concepts and products for the industry.Antonio J. Meléndez-MartínezAna BenítezMireia CorellDolores HernanzPaula Mapelli-BrahmCarla StincoElena Coyago-CruzMDPI AGarticleantioxidantsedible flowersfunctional foodspetalsphytochemicalsretinol activity equivalentsChemical technologyTP1-1185ENFoods, Vol 10, Iss 2625, p 2625 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	antioxidants edible flowers functional foods petals phytochemicals retinol activity equivalents Chemical technology TP1-1185
spellingShingle	antioxidants edible flowers functional foods petals phytochemicals retinol activity equivalents Chemical technology TP1-1185 Antonio J. Meléndez-Martínez Ana Benítez Mireia Corell Dolores Hernanz Paula Mapelli-Brahm Carla Stinco Elena Coyago-Cruz Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers
description	Flowers have been used for centuries in decoration and traditional medicine, and as components of dishes. In this study, carotenoids and phenolics from 125 flowers were determined by liquid chromatography (RRLC and UHPLC). After comparing four different extractants, the carotenoids were extracted with acetone: methanol (2:1), which led to a recovery of 83%. The phenolic compounds were extracted with 0.1% acidified methanol. The petals of the edible flowers <i>Renealmia alpinia</i> and <i>Lantana camara</i> showed the highest values of theoretical vitamin A activity expressed as retinol activity equivalents (RAE), i.e., 19.1 and 4.1 RAE/g fresh weight, respectively. The sample with the highest total phenolic contents was <i>Punica granatum</i> orange (146.7 mg/g dry weight). It was concluded that in most cases, flowers with high carotenoid contents did not contain high phenolic content and vice versa. The results of this study can help to develop innovative concepts and products for the industry.
format	article
author	Antonio J. Meléndez-Martínez Ana Benítez Mireia Corell Dolores Hernanz Paula Mapelli-Brahm Carla Stinco Elena Coyago-Cruz
author_facet	Antonio J. Meléndez-Martínez Ana Benítez Mireia Corell Dolores Hernanz Paula Mapelli-Brahm Carla Stinco Elena Coyago-Cruz
author_sort	Antonio J. Meléndez-Martínez
title	Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers
title_short	Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers
title_full	Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers
title_fullStr	Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers
title_full_unstemmed	Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers
title_sort	screening for innovative sources of carotenoids and phenolic antioxidants among flowers
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9b369293b2044f75a53ac3a76c2dcf5b
work_keys_str_mv	AT antoniojmelendezmartinez screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers AT anabenitez screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers AT mireiacorell screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers AT doloreshernanz screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers AT paulamapellibrahm screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers AT carlastinco screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers AT elenacoyagocruz screeningforinnovativesourcesofcarotenoidsandphenolicantioxidantsamongflowers
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Screening for Innovative Sources of Carotenoids and Phenolic Antioxidants among Flowers

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