γ-Radiations induced phytoconstituents variability in the grains of cultivated buckwheat species of Himalayan region.

Nidhi Joshi, Kuldip Chandra Verma, Sanjay Kumar Verma, Pawanesh Tamta
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Abstract

Purpose: Buckwheat is a major traditional crop of hilly regions, capable of growing in adverse climatic conditions. During the survey, it was reported that prolonged consumption of buckwheat leads to digestive problems and numbness. The present study was conducted to study the effect of γ-irradiations on buckwheat to make them suitable for daily consumption.

Materials and methods: Buckwheat seeds were irradiated by 100, 200, 300, 400, 500, 600, 700, and 800 Gy doses of γ-radiations, to access the phytoconstituent variability using standard methods.

Results: Significant (p < 0.05) increase in total phenol, total flavonoid, total antioxidant activity, rutin, β-carotene, iron, calcium up to 6.23, 16.48, 18.62, 19.06, 8.08, 47.66, 32.74% in common buckwheat and 9.58, 16.66, 39.16, 9.19, 9.00, 53.99, 36.75% in tartary buckwheat was found by increasing doses of γ-radiations up to 800 Gy. Significant decrease was found in phytate, tannin, and oxalate content up to 18.92, 17.95, 15.32% in common buckwheat and 24.73, 19.72, 24.07% in tartary buckwheat.

Conclusions: It can be concluded that 800 Gy dose of γ-radiation, maximally increased the nutritional value by significant (p < 0.05) increase in nutrients and their bioavailability. This makes buckwheat more amenable for daily consumption to fulfill RDA, by Himalayan population depending on traditional foods without any digestive problem. Furthermore, significant increase in rutin by γ-radiations will be useful to fulfill the demand of cosmetic and pharmaceutical industries. But minimization of reduction loss for some nutrients by γ-radiations is the thrust area for future research.

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喜马拉雅地区栽培荞麦品种谷粒中的γ射线诱导植物成分变异。
目的:荞麦是丘陵地区的一种主要传统作物,能够在恶劣的气候条件下生长。据调查,长期食用荞麦会导致消化不良和麻木。本研究旨在研究γ-辐照对荞麦的影响,使其适合日常食用:荞麦种子经 100、200、300、400、500、600、700 和 800 Gy γ 辐射剂量照射后,采用标准方法检测植物成分的变化:结果:显著(p可以得出结论,800 Gy 剂量的γ射线最大程度地提高了营养价值,显著(p
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