International Journal of Food Science and Nutrition

International Journal of Food Science and Nutrition


International Journal of Food Science and Nutrition
Vol. 6, Issue 3 (2021)

Glycemic index and glycemic load of edible jackfruit parts


Soumya PS, Suma Divakar

Dietary guidelines recommend increased intake of dietary fibre for better control and proper management of chronic diseases such as diabetes mellitus, cardiovascular diseases and cancer. Fruits and vegetables are valued for their complex carbohydrates, dietary fibre and micronutrients. Jackfruit is reported to have good quality fibre and possesses many medicinal properties as well. The present study investigated to determine the GI and GL of different parts of jackfruit cultivars (koozha and varikka). The bulbs, perigones, seeds, rind, core and testa were used as the test parts of the fruits Ten healthy individuals, who offered consent, were requested to consume cooked test fruit parts and reference food (glucose) after an overnight fasting on separate occasions. The test fruit part and glucose contained 50g of carbohydrates. Finger-prick blood samples were obtained at 0 (fasting), 15, 30 60, 90 and 120 min after consuming each jackfruit part. The blood glucose response was obtained by calculating area under the curve (AUC). The AUC ranged between 111.82 mmol.min/L and 245.23 mmol.min/L, and was significantly higher for glucose (p<0.05) compared to all fruit parts tested. Jackfruit cv koozha’s rind reported lowest glycemic index and glycemic load (45.26±0.52 and 1.30±0.06). The highest glycemic index was observed in varikka seeds (69.31±0.99) and highest glycemic load was obtained in koozha seeds ((12.42±0.16).
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