ArticleFoods (Basel, Switzerland)2025
Effects of Growth Stage and Particle Size on the Physical, Chemical, Structural, and Bioactive Properties of Alkaline-Extracted Dietary Fiber from Rice Husk (
Article in Foods (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Effects of Green Rice Husk Dietary Fiber and Hydrocolloids on the Physicochemical, Structural, Bioactive, and Sensory Properties of Gummy Products.Foods (Basel, Switzerland) · 2026Article
- Effect of Ultrafine Grinding on the Physicochemical Properties ofFoods (Basel, Switzerland) · 2026Article
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5 authors.
Funding
Abstract
Rice husk (RH), an underutilized by-product of rice milling, represents a promising source of dietary fiber with health-promoting potential. This study investigated the effects of growth stage and particle size on the chemical composition and functional properties of dietary fiber isolated from green rice husk (G-RH) and ripe rice husk (R-RH). Cellulose contents ranged from 62 to 85 g/100 g DW in G-RH and from 38 to 73 g/100 g DW in R-RH, while β-glucan levels were 66-85 mg/g DW and 67-92 mg/g DW, respectively. FTIR and XRD analyses confirmed the presence of cellulose and its crystalline structure. Particle size reduction enhanced water- and oil-holding capacities (up to five-fold and two-fold, respectively) and increased phenolic, flavonoid, and phytosterol contents. G-RH exhibited higher levels of bioactive compounds and a more diverse phytosterol profile compared to R-RH, as verified by GC-MS analysis. In contrast, R-RH showed greater water-holding capacity, whereas G-RH displayed superior oil-holding capacity, underscoring the influence of growth stage on dietary fiber functionality. Overall, these findings highlight rice husk, particularly G-RH, as a promising functional ingredient for food applications.
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