Arid
DOI10.1016/j.foodres.2014.03.013
Antioxidant activity and characterization of constituents in copao fruits (Eulychnia acida Phil., Cactaceae) by HPLC-DAD-MS/MSn
Jimenez-Aspee, Felipe1; Quispe, Cristina1; Soriano, Maria Del Pilar C.1; Gonzalez, Jaime Fuentes1; Haneke, Eva1; Theoduloz, Cristina2; Schmeda-Hirschmann, Guillermo1
通讯作者Schmeda-Hirschmann, Guillermo
来源期刊FOOD RESEARCH INTERNATIONAL
ISSN0963-9969
EISSN1873-7145
出版年2014
卷号62页码:286-298
英文摘要

Copao (Eulychnia acida Phil., Cactaceae) is an endemic species occurring in arid areas of northern Chile. The fruits are commercialized by peasants within the Elqui and Limari valleys and are appreciated for its acidic and refreshing taste. We now report the total phenolic (TP) and total flavonoid (TF) content, antioxidant activity, phenolic composition and main phenolic distribution in pulp and epicarp of copao fruits from different harvesting places from both valleys. The ascorbic acid content was determined in fresh fruit pulp, epicarp and juice. The phenolic-enriched extract was analyzed for antioxidant effect and composition. Ferulic acid, 9,10-dihydroxy-4,7-megastigmadien-3-one hexoside, isorhamnetin and quercetin glycosides were identified by HPLC-DAD-MS/MS analysis. The main compounds were isolated and fully characterized by NMR techniques. The main phenolic in the samples was isorhamnetin-3-O-[alpha-rhamnopyranosyl-(1 -> 6)-beta-glucopyranoside]. The HPLC pattern of the phenolic-enriched extracts of the fruits allows a differentiation of samples from the Elqui and Limari valleys. All fruit extracts and Amberlite-retained fraction from the methanolic extract were devoid of toxicity against human gastric AGS cells and human lung fibroblasts, with IC50 values >400 mu g/mL for AGS and 344 to >400 mu g/mL for fibroblasts, respectively. The compound identification, associated with the antioxidant activity and insignificant cell toxicity, adds relevant information for the possible development of this native fruit into a new crop. (C) 2014 Elsevier Ltd. All rights reserved.


英文关键词Eulychnia acida Cactaceae Copao Phenolics Antioxidants Arid lands
类型Article
语种英语
国家Chile
收录类别SCI-E
WOS记录号WOS:000340015100035
WOS关键词LIQUID-CHROMATOGRAPHY ; PHENOLIC-COMPOUNDS ; CHEMICAL-CHARACTERIZATION ; ESI-MS ; OPUNTIA ; L. ; QUANTIFICATION ; IDENTIFICATION ; CAPACITY ; BETALAIN
WOS类目Food Science & Technology
WOS研究方向Food Science & Technology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/182094
作者单位1.Univ Talca, Inst Quim Recursos Nat, Lab Quim Prod Nat, Talca 3460000, Chile;
2.Univ Talca, Fac Ciencias Salud, Lab Cultivo Celular, Talca 3460000, Chile
推荐引用方式
GB/T 7714
Jimenez-Aspee, Felipe,Quispe, Cristina,Soriano, Maria Del Pilar C.,et al. Antioxidant activity and characterization of constituents in copao fruits (Eulychnia acida Phil., Cactaceae) by HPLC-DAD-MS/MSn[J],2014,62:286-298.
APA Jimenez-Aspee, Felipe.,Quispe, Cristina.,Soriano, Maria Del Pilar C..,Gonzalez, Jaime Fuentes.,Haneke, Eva.,...&Schmeda-Hirschmann, Guillermo.(2014).Antioxidant activity and characterization of constituents in copao fruits (Eulychnia acida Phil., Cactaceae) by HPLC-DAD-MS/MSn.FOOD RESEARCH INTERNATIONAL,62,286-298.
MLA Jimenez-Aspee, Felipe,et al."Antioxidant activity and characterization of constituents in copao fruits (Eulychnia acida Phil., Cactaceae) by HPLC-DAD-MS/MSn".FOOD RESEARCH INTERNATIONAL 62(2014):286-298.
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