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首页> 外文期刊>Food Chemistry >Distribution of phytochelatins, metal-binding compounds, in plant foods: A survey of commonly consumed fruits, vegetables, grains and legumes
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Distribution of phytochelatins, metal-binding compounds, in plant foods: A survey of commonly consumed fruits, vegetables, grains and legumes

机译：植物食品中植物结合物，金属结合化合物的分布：常用水果，蔬菜，谷物和豆类的调查

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摘要

Phytochelatins (PyCs) are metal-binding compounds produced by plants. PyCs may reduce bioavailability of dietary toxic metals such as cadmium. However, the PyC concentrations in foods are unknown. The objective of this study was to analyze PyC contents in a subset of commonly consumed plant foods. Foods (20) across five groups were analyzed and PyCs quantified using liquid chromatography-mass spectrometry (LC-MS/MS). The impact of factors such as food processing were also explored. PyCs were in all 20 foods. Five PyC types were detected with PyC2-Gly, PyC3-Gly and PyC2-Ala at quantifiable concentrations. PyC2-Gly was found at the highest concentrations and most widely distributed. PyC2-Gly concentrations were highest in fruits and root vegetables. Foods with increased processing tended to have reduced PyC concentrations. This survey of commonly consumed plant foods in the United States demonstrates PyCs are widely distributed and provides a foundation for understanding their concentrations and impact in the human diet.
机译：PhytochelaTins（Pycs）是由植物产生的金属结合化合物。 Pycs可以减少膳食有毒金属如镉的生物利用度。然而，食物中的PYC浓度未知。本研究的目的是分析常用植物食品的子集中的PYC含量。分析了五组中的食物（20），并使用液相色谱 - 质谱（LC-MS / MS）定量的PYC。还探讨了食品加工等因素的影响。 Pycs在所有20种食物中。用Pyc2-聚合物，Pyc3-Gly和Pyc2-Ala以可量化的浓度检测五种脓肿型。 Pyc2-脂肪被发现以最高浓度和最广泛分布。水果和根蔬菜中的钙浓度最高。加工增加的食物往往有降低的Pyc浓度。本对美国常用的植物食品调查证明了Pycs被广泛分布并为理解其浓度和对人类饮食的影响提供了基础。

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  • 来源
    《Food Chemistry》 |2021年第1期|128051.1-128051.9|共9页
  • 作者

    Dennis Kristine K.; Liu Ken H.; Uppal Karan; Go Young-Mi; Jones Dean P.;

  • 作者单位

    Emory Univ Laney Grad Sch Nutr & Hlth Sci 615 Michael St 225 Whitehead Biomed Res Bldg Atlanta GA 30322 USA;

    Emory Univ Dept Med Div Pulm Allergy & Crit Care Med 615 Michael St 225 Whitehead Biomed Res Bldg Atlanta GA 30322 USA;

    Emory Univ Dept Med Div Pulm Allergy & Crit Care Med 615 Michael St 225 Whitehead Biomed Res Bldg Atlanta GA 30322 USA;

    Emory Univ Dept Med Div Pulm Allergy & Crit Care Med 615 Michael St 225 Whitehead Biomed Res Bldg Atlanta GA 30322 USA;

    Emory Univ Laney Grad Sch Nutr & Hlth Sci 615 Michael St 225 Whitehead Biomed Res Bldg Atlanta GA 30322 USA|Emory Univ Dept Med Div Pulm Allergy & Crit Care Med 615 Michael St 225 Whitehead Biomed Res Bldg Atlanta GA 30322 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Toxic metals; Nutritional metals; Metal bioavailability; Functional foods; Plant-based nutrition; Phytochemicals;

    机译：毒性金属;营养金属;金属生物利用度;功能性食品;基于植物的营养;植物化学;

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