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<p>The rapid expansion of the bioethanol industry due to new government strategies has led to a significant coproduction of Distillers Dried Grains with Solubles (DDGS). DDGS is enriched with protein, fiber and other functional biomolecules from residues of cereal grains, its adjuncts and yeast cells. The objective of this work was to evaluate the physicochemical qualities, functional features, and in vitro safety of rice DDGS in order to fully understand its potential for use in human food applications. The raw rice DDGS sample had a moisture content of 10.03&#xa0;g/100&#xa0;g ± 1.51. Proximate analysis (on a dry basis) revealed a high protein content (38&#xa0;g/100&#xa0;g ± 1.56), moderate crude fiber (5.84&#xa0;g/100&#xa0;g ± 0.22), and low-fat content (7&#xa0;g/100&#xa0;g ± 1.07). Functional studies revealed favourable characteristics for food formulation, such as a moderate Water Absorption Capacity (WAC) and a high Oil Absorption Capacity (OAC). Presence of diverse bioactive components, such as phenolic and flavonoid chemicals, was revealed by Multi-Dimensional Liquid Chromatography (MDLC), and this profile significantly corresponds with the observed antioxidant activity. The presence of various functional groups and bioactive metabolites was verified by Fourier-Transform Infrared Spectroscopy (FTIR) and Gas Chromatography-Mass Spectrometry (GCMS) study. The Naturally Occurring Toxins (NOT) and in vitro cytotoxicity assay using Human Embryonic Kidney (HEK-293) cells confirmed the extract’s safe profile at levels exceeding typical in-food concentrations. According to these results, rice DDGS is a safe and nutritious ingredient with beneficial functional properties and it may be used as raw material for food product development.</p>

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Physicochemical, functional, and safety evaluation of rice distiller dried grain with solubles for human food applications

  • 期刊论文

  • 发表日期：

    2026年2月17日

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  • Puja Mukherjee,
  • Lakshmishri Roy,
  • Debabrata Bera

摘要

The rapid expansion of the bioethanol industry due to new government strategies has led to a significant coproduction of Distillers Dried Grains with Solubles (DDGS). DDGS is enriched with protein, fiber and other functional biomolecules from residues of cereal grains, its adjuncts and yeast cells. The objective of this work was to evaluate the physicochemical qualities, functional features, and in vitro safety of rice DDGS in order to fully understand its potential for use in human food applications. The raw rice DDGS sample had a moisture content of 10.03 g/100 g ± 1.51. Proximate analysis (on a dry basis) revealed a high protein content (38 g/100 g ± 1.56), moderate crude fiber (5.84 g/100 g ± 0.22), and low-fat content (7 g/100 g ± 1.07). Functional studies revealed favourable characteristics for food formulation, such as a moderate Water Absorption Capacity (WAC) and a high Oil Absorption Capacity (OAC). Presence of diverse bioactive components, such as phenolic and flavonoid chemicals, was revealed by Multi-Dimensional Liquid Chromatography (MDLC), and this profile significantly corresponds with the observed antioxidant activity. The presence of various functional groups and bioactive metabolites was verified by Fourier-Transform Infrared Spectroscopy (FTIR) and Gas Chromatography-Mass Spectrometry (GCMS) study. The Naturally Occurring Toxins (NOT) and in vitro cytotoxicity assay using Human Embryonic Kidney (HEK-293) cells confirmed the extract’s safe profile at levels exceeding typical in-food concentrations. According to these results, rice DDGS is a safe and nutritious ingredient with beneficial functional properties and it may be used as raw material for food product development.