高粱的营养和抗营养潜力:埃塞俄比亚北部提格雷不同地方高粱品种的比较研究

IF 3.3 2区 农林科学 Q1 AGRONOMY
Tesfakiros Semere, Y. Tsehaye, Lijalem Tareke, O. Westengen, S. Fjellheim
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引用次数: 0

摘要

高粱是埃塞俄比亚北部提格雷的主要粮食作物之一。尽管如此,对高粱的营养和抗营养特性的研究仍然有限。因此,本研究旨在分析和评估埃塞俄比亚北部提格雷地区高粱地方品种在蛋白质、淀粉、矿物质、类黄酮、单宁和抗氧化活性方面的差异。蛋白质和淀粉用红外分光光度计分析,而矿物元素用原子吸收分光光度计估计。通过DPPH(2,2-二苯基-1-吡啶肼基)自由基清除、铁还原抗氧化能力和磷钼测定来分析其抗氧化活性。结果显示各地方品种间各评价参数存在显著差异。蛋白质和淀粉含量分别为6.21% ~ 18%和33.42% ~ 78.30%。以mg/100 g计,Fe(32-101)、Zn(16.9-42.98)、Cu(1.48-5.25)、Mn(9.21-20.23)和Cr(0-1.5)的差异更大。总黄酮(0 ~ 665 mgCE/ g)和单宁(0.18 ~ 7.5 mgCE/100 g)、DPPH (EC50 = 29.09 ~ 818.37µg/mL)、铁还原抗氧化能力(17.85 ~ 334.81 mgAAE/g)和总抗氧化活性(1.71 ~ 63.88 mgBHTE/g)在不同样品间的差异也很大。讨论了种子颜色与酚类物质及其抗氧化活性的关系。多变量分析显示,地方品种可分为四个不同的类群。丰富的遗传多样性在营养和抗营养属性可能是一个机会,育种提高高粱的粮食品质,反过来,有助于解决营养不良问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nutritional and Antinutritional Potentials of Sorghum: A Comparative Study among Different Sorghum Landraces of Tigray, Northern Ethiopia
Sorghum is one of the staple food crops in Tigray, northern Ethiopia. Despite this, limited research attention was given to the nutritional and antinutritional profiling of sorghum. Thus, this research was initiated to profile and evaluate the variabilities in protein, starch, minerals, flavonoid, tannin, and antioxidant activities among sorghum landraces of Tigray, northern Ethiopia. Protein and starch were analyzed using an infrared spectrophotometer, whereas mineral elements were estimated using an atomic absorption spectrophotometer. Antioxidant activity was analyzed using DPPH (2,2-diphenyl-1-picrylhydrazyl) free radical scavenging, ferric-reducing antioxidant power, and phosphomolybdenum assays. The result revealed significant variation among the landraces for all the evaluated parameters. Protein and starch contents ranged from 6.21 to 18% and 33.42 to 78.30%, respectively. Wider variations were observed for Fe (32–101), Zn (16.9–42.98), Cu (1.48–5.25), Mn (9.21–20.23), and Cr (0–1.5) as measured in mg/100 g. The variabilities were high for total flavonoid (0–665 mg CE/g) and tannin (0.18–7.5 mgCE/100 g). DPPH (EC50 = 29.09–818.37 µg/mL), ferric reducing antioxidant power (17.85–334.81 mgAAE/g), and total antioxidant activity (1.71–63.88 mgBHTE/g) were also highly variable among the samples. The relationship between seed color and phenolics, as well as antioxidant activities, are discussed. Multivariate analysis revealed that the landraces were clustered into four distinct groups. The rich genetic diversity in the nutritional and antinutritional attributes may be an opportunity for breeding for grain quality improvements of sorghum that, in turn, helps in addressing malnutrition.
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来源期刊
Agriculture-Basel
Agriculture-Basel Agricultural and Biological Sciences-Food Science
CiteScore
4.90
自引率
13.90%
发文量
1793
审稿时长
11 weeks
期刊介绍: Agriculture (ISSN 2077-0472) is an international and cross-disciplinary scholarly and scientific open access journal on the science of cultivating the soil, growing, harvesting crops, and raising livestock. We will aim to look at production, processing, marketing and use of foods, fibers, plants and animals. The journal Agriculturewill publish reviews, regular research papers, communications and short notes, and there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles.
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