Abstract The harvested paddy rice grains are normally stored by growers under normal conditions. Paddy rice grains are natural food for storage pests like Sitotroga. cerealella, a major insect that appears during paddy storage. The changes in grain composition due to such insect infestation in relation to human health especially the alteration in their Glycemic Index (GI) value have not been studied so far. The present investigation was aimed at studying the effect of S. cerealella infestation on rice grain quality and glycemic index of stored paddy grains. Five diverse rice genotypes with different quality traits were evaluated for grain quality after S. cerealella infestation. The tolerance to insect and variation of grain quality varied with rice genotype significantly. The glycemic index, glycemic load, total carbohydrate, amylose content and resistant starch were affected to a great extent. The consumption of affected grains may create health issue due to imbalance in nutrition and unhygienic condition. Improper storage of paddy after harvesting and processing results in infestation by pests at a large scale. Thus, the grain quality needs to be evaluated to judge the suitability of affected grain for consumption.

中文翻译：

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稻谷（Oryza sativa L.）升糖指数对贮藏害虫 Sitotroga grainella 侵染的现状

摘要 收获的水稻籽粒通常由种植者在正常条件下储存。稻谷粒是储存害虫（如 Sitotroga）的天然食物。谷物，一种在稻谷储存期间出现的主要昆虫。迄今为止，尚未研究由于此类昆虫侵扰与人类健康相关的谷物成分变化，尤其是其血糖指数 (GI) 值的变化。本调查旨在研究 S.谷菌侵染对稻米品质和储存稻谷升糖指数的影响。评估了具有不同品质性状的五种不同水稻基因型的谷物质量。水稻对昆虫的耐受性和品质变异性随水稻基因型的不同而存在显着差异。升糖指数、升糖负荷、总碳水化合物、直链淀粉含量和抗性淀粉受到较大影响。由于营养不平衡和不卫生，食用受影响的谷物可能会导致健康问题。稻谷在收获和加工后储存不当会导致害虫大规模侵扰。因此，需要对谷物质量进行评估，以判断受影响的谷物是否适合食用。