ora-pro-nóbis面粉的抗氧化活性和生物活性物质

Q3 Agricultural and Biological Sciences
Ariane Cristina de Almeida Ciríaco, Ricardo Mendes, Vânia Silva Carvalho
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引用次数: 1

摘要

ora-pro-nóbis (Pereskia aculeata Miller)是一种被称为“穷人的肉”的仙人掌,因其叶片中蛋白质含量高而被广泛使用,且价格低廉,因此被归类为非常规食品植物(UFP)。这种植物以其叶子的高营养价值而闻名,它可以用于烹饪和民间医药。然而,对ora-pro-nóbis果实的化学特性和抗氧化能力的研究很少。摘要本研究旨在评价刺槐茎叶粉和果肉的抗氧化活性和酚类化合物的含量。茎叶在60°±2°C循环烘箱中清洗干燥,在工业搅拌器中粉碎。将果实水洗,自然浸渍,制备氢乙醇提取物。用Folin-Ciocalteau试剂测定其酚类化合物含量,结果表明:茎、叶和果实中总酚含量为0.25;提取物的egg -1分别为1.01和118.2 mg。采用DPPH法对抗氧化剂进行评价,得到茎、叶和果实的抗氧化剂值为1.20;DPPH果实g-1含量分别为1.40和1.50 mg,茎、叶和果实的ABTS法分别为:13.82;6.30;分别加入3.20µmol Trolox g-1。因此,在其茎、叶和果实中呈现出大量的酚类和抗氧化化合物,是预防与自由基产生相关的几种疾病的潜在资源,也是食品浓缩的替代选择,是食品添加剂的有用来源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Antioxidant activity and bioactive compounds in ora-pro-nóbis flour (Pereskia aculeata Miller)
Abstract The ora-pro-nóbis (Pereskia aculeata Miller) is a cactus popularly known as “poor man's meat” due to its popular use related to the protein content found in its leaves and its low cost, thus being classified as an Unconventional Food Plant (UFP). The plant is recognized for the high nutritional value of their leaves, and it can be used in cooking and folk medicine. However, studies on the chemical characteristics and antioxidant capacity of ora-pro-nóbis fruits are scarce. This study aimed to evaluate the antioxidant potential and phenolic compounds of the stem and leaf flours and fruit pulp of P. aculeata Miller. The stem and leaves were washed and dried in a circulation oven at 60° ± 2 °C, and crushed in an industrial blender. The fruit was washed and macerated in natura, then hydroethanolic extracts were prepared. The content of phenolic compounds was evaluated using the Folin-Ciocalteau reagent and the results showed a total phenol content in the stem, leaves and fruits of 0.25; 1.01 and 118.2 mg EAG g-1 of extract, respectively. Antioxidants were evaluated using the DPPH method, obtaining values for stem, leaf and fruit of 1.20; 1.40 and 1.50 mg of fruit g-1 of DPPH respectively, and also by the ABTS method of stem, leaf and fruit of:13.82; 6.30; 3.20 µmol of Trolox g-1, respectively. Thus, P. aculeata Miller presented in its stem, leaves and fruits an expressive amount of phenolic and antioxidant compounds, being a potential resource to contribute to the prevention of several disorders associated with the production of free radicals as well as an alternative in the enrichment of foods and being a useful source for a food additive.
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来源期刊
Brazilian Journal of Food Technology
Brazilian Journal of Food Technology Agricultural and Biological Sciences-Food Science
CiteScore
2.20
自引率
0.00%
发文量
32
审稿时长
35 weeks
期刊介绍: The Brazilian Journal of Food Technology (BJFT) is an electronic rolling pass publication with free access, whose purpose is to publish unpublished articles based on original research results and technological information that significantly contribute to the dissemination of new knowledge related to production and evaluation of food in the areas of science, technology, food engineering and nutrition (non-clinical). Manuscripts of national or international scope are accepted, presenting new concepts or experimental approaches that are not only repositories of scientific data. The Journal publishes original articles, review articles, scientific notes, case reports, and short communication in Portuguese and English. The submission of a manuscript presupposes that the same paper is not under analysis for publication in any other divulging vehicle. Articles specifically contemplating analytical methodologies will be accepted as long as they are innovative or provide significant improvement to existing methods. It is at the discretion of the Editors, depending on the subject relevance, the acceptance of works with test results of industrialized products without the information necessary to manufacture them. Papers aimed essentially at commercial propaganda will not be accepted.
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