Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs

<i>Allium cepa</i> L. is one of the most abundant vegetable crops worldwide. In addition to its versatile culinary uses, onion also exhibits quite interesting medicinal uses. Bulbs have a high content of bioactive compounds that are beneficial for human health. This study intends to deve...

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Autores principales:	Ana V. González-de-Peredo, Mercedes Vázquez-Espinosa, Estrella Espada-Bellido, Marta Ferreiro-González, Ceferino Carrera, Gerardo F. Barbero, Miguel Palma
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Allium cepa</i> L. anthocyanins Box–Behnken onion phenolic compounds UHPLC Therapeutics. Pharmacology RM1-950
Acceso en línea:	https://doaj.org/article/66a933045a32411389dc49f19e285014
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spelling	oai:doaj.org-article:66a933045a32411389dc49f19e2850142021-11-25T16:27:53ZDevelopment of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs10.3390/antiox101117552076-3921https://doaj.org/article/66a933045a32411389dc49f19e2850142021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3921/10/11/1755https://doaj.org/toc/2076-3921<i>Allium cepa</i> L. is one of the most abundant vegetable crops worldwide. In addition to its versatile culinary uses, onion also exhibits quite interesting medicinal uses. Bulbs have a high content of bioactive compounds that are beneficial for human health. This study intends to develop and optimize two appropriate ultrasound-assisted methods for the extraction of the phenolic compounds and anthocyanins present in red onion. A response surface methodology was employed and, specifically, a Box–Behnken design, for the optimization of the methods. The optimal conditions for the extraction of the phenolic compounds were the follows: 53% MeOH as solvent, pH 2.6, 60 °C temperature, 30.1% amplitude, 0.43 s cycle, and 0.2:11 g sample/mL solvent ratio. On the other hand, the optimal conditions for the anthocyanins were as follows: 57% MeOH as solvent, pH 2, 60 °C temperature, 90% amplitude, 0.64 s cycle, and 0.2:15 g sample/mL solvent ratio. Both methods presented high repeatability and intermediate precision, as well as short extraction times with good recovery yields. These results illustrate that the use of ultrasound-assisted extraction, when properly optimized, is suitable for the extraction and quantification of the compounds of interest to determine and improve the quality of the raw material and its subproducts for consumers.Ana V. González-de-PeredoMercedes Vázquez-EspinosaEstrella Espada-BellidoMarta Ferreiro-GonzálezCeferino CarreraGerardo F. BarberoMiguel PalmaMDPI AGarticle<i>Allium cepa</i> L.anthocyaninsBox–Behnkenonionphenolic compoundsUHPLCTherapeutics. PharmacologyRM1-950ENAntioxidants, Vol 10, Iss 1755, p 1755 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Allium cepa</i> L. anthocyanins Box–Behnken onion phenolic compounds UHPLC Therapeutics. Pharmacology RM1-950
spellingShingle	<i>Allium cepa</i> L. anthocyanins Box–Behnken onion phenolic compounds UHPLC Therapeutics. Pharmacology RM1-950 Ana V. González-de-Peredo Mercedes Vázquez-Espinosa Estrella Espada-Bellido Marta Ferreiro-González Ceferino Carrera Gerardo F. Barbero Miguel Palma Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs
description	<i>Allium cepa</i> L. is one of the most abundant vegetable crops worldwide. In addition to its versatile culinary uses, onion also exhibits quite interesting medicinal uses. Bulbs have a high content of bioactive compounds that are beneficial for human health. This study intends to develop and optimize two appropriate ultrasound-assisted methods for the extraction of the phenolic compounds and anthocyanins present in red onion. A response surface methodology was employed and, specifically, a Box–Behnken design, for the optimization of the methods. The optimal conditions for the extraction of the phenolic compounds were the follows: 53% MeOH as solvent, pH 2.6, 60 °C temperature, 30.1% amplitude, 0.43 s cycle, and 0.2:11 g sample/mL solvent ratio. On the other hand, the optimal conditions for the anthocyanins were as follows: 57% MeOH as solvent, pH 2, 60 °C temperature, 90% amplitude, 0.64 s cycle, and 0.2:15 g sample/mL solvent ratio. Both methods presented high repeatability and intermediate precision, as well as short extraction times with good recovery yields. These results illustrate that the use of ultrasound-assisted extraction, when properly optimized, is suitable for the extraction and quantification of the compounds of interest to determine and improve the quality of the raw material and its subproducts for consumers.
format	article
author	Ana V. González-de-Peredo Mercedes Vázquez-Espinosa Estrella Espada-Bellido Marta Ferreiro-González Ceferino Carrera Gerardo F. Barbero Miguel Palma
author_facet	Ana V. González-de-Peredo Mercedes Vázquez-Espinosa Estrella Espada-Bellido Marta Ferreiro-González Ceferino Carrera Gerardo F. Barbero Miguel Palma
author_sort	Ana V. González-de-Peredo
title	Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs
title_short	Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs
title_full	Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs
title_fullStr	Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs
title_full_unstemmed	Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs
title_sort	development of optimized ultrasound-assisted extraction methods for the recovery of total phenolic compounds and anthocyanins from onion bulbs
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/66a933045a32411389dc49f19e285014
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Development of Optimized Ultrasound-Assisted Extraction Methods for the Recovery of Total Phenolic Compounds and Anthocyanins from Onion Bulbs

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