圆锥TalinumGaertn。叶子-营养来源,抗氧化和抗菌潜力。

IF 1.3 Q4 FOOD SCIENCE & TECHNOLOGY
Fabiana Daniella de Araújo Borges Menezes, Taís Aragão Ishizawa, Luciana Reis Fontinelle Souto, Tatianne Ferreira de Oliveira
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引用次数: 1

摘要

背景:大多数人的饮食仅限于数量较少的植物,即使在具有多种多样和广泛多样性的地区,如巴西。非常规食用植物(ufp)是一种外来的、本地的、野生的、自然生长的、可以用作食物的植物。其中有Talinum paniculatum (Jacq.)Gaertn。它在巴西广泛分布,可能是营养物质的潜在来源。考虑到ufp在人类食品中的利用潜力,以及对秋菖蒲的成分研究不足,本研究旨在评估秋菖蒲叶的营养价值、抗氧化能力和抗菌活性,为其在食品中的应用提供参考。方法:通过近端成分、颜色、抗坏血酸、矿物特征和抗营养因子的分析来表征T. paniculatum叶的特征,显示了低浓度的浓缩和水解单宁和硝酸盐的存在。以水、乙醇、乙醇/水、甲醇、甲醇/水、甲醇/乙酸和丙酮/水/乙酸为溶剂,考察其酚类化合物的提取率、抗氧化能力和抗菌活性。结果:饲料中蛋白质(18.61 g 100 g-1)、不溶性膳食纤维(34.75 g 100 g-1)、抗坏血酸(81.03 mg 100 g-1)、镁、钾和钙(分别为649.600、411.520和228.117 mg 100 g-1)含量较高。甲醇/乙酸混合萃取法的酚类化合物得率最高(432.73 mg EAG 100 g-1), DPPH法的抗氧化能力最高(3144.92 mg 100 g-1)。对蜡样芽孢杆菌的生长有抑制作用。结论:虎皮叶是一种营养物质来源,其提取物具有抗氧化和抗菌作用,可作为食品添加剂,改善人体健康。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Talinum paniculatum (Jacq.) Gaertn. leaves - source of nutrients, antioxidant and antibacterial potentials.

Background: The diet of most of the population is limited to a reduced number of plants, even in areas that have a varied and extensive diversity, such as Brazil. Unconventional Food Plants (UFPs) are plants considered exotic, native, and wild that grow naturally and can be used as food. Among these is Talinum paniculatum (Jacq.) Gaertn., which is widespread throughout Brazil and can be a potential source of nutrients. Due to the potential of utilization of UFPs in human food and the lack of studies regarding the composition of T. paniculatum, this study aimed to assess the nutritional value of T. paniculatum leaves, their antioxidant capacity, and their antimicrobial activity for possible use in food.

Methods: The characterization of the leaves of T. paniculatum was carried out through analyses of proximal composition, color, ascorbic acid, mineral profile, and antinutritional factors showing the presence of condensed and hydrolysable tannins and nitrates in low concentrations. Solvents of water, ethanol, ethanol/water, methanol, methanol/water, methanol/acetic acid and acetone/water/acetic acid were used to evaluate the extraction yield of phenolic compounds, antioxidant capacity, and antibacterial activity of the extracts.

Results: High contents of protein (18.61 g 100 g-1), insoluble dietary fiber (34.75 g 100 g-1), ascorbic acid (81.03 mg 100 g-1), magnesium, potassium, and calcium (649.600, 411.520 and 228.117 mg 100 g-1, respectively) were observed. Extraction using the mixture of solvents of methanol/acetic acid showed the highest yield of phenolic compounds (432.73 mg EAG 100 g-1) and antioxidant capacity using the DPPH assay (3144.92 mg 100 g-1). Bacillus cereus growth was inhibited by the T. paniculatum extracts.

Conclusions: T. paniculatum leaves are a source of nutrients and their extracts have antioxidant and antibacterial potentials which can be used as supplements in food to improve one's health.

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CiteScore
2.70
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