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Cinnamomum zeylanicum and Curcuma longa incorporated dairy yoghurts with hindered glycaemic properties for healthy people
来源:食品科学网 阅读量: 265 发表时间: 2022-05-30
作者: Dayani Pavalakumar, Madhura Jayasinghe, Maharsha Edirisinghe, Isuru Wijesekara, Subhashinie Senadheera
关键词: Yoghurt Cinnamon Turmeric Glycaemic impact Blood glucose responses
摘要:

This study mainly compare glycaemic responses of a control yoghurt (typical dairy yoghurt) against two novel yoghurt products with added spices oleoresins (Cinnamon yoghurt - Cinnamomum zeylanicum, turmeric yoghurt - Curcuma longa) using 16 healthy volunteers in a randomized crossover study. Blood glucose concentrations were measured at fasting state and 30, 45, 60, 90, 120 min following the ingestion, using a Blood Glucose Monitoring System and blood glucose response curves were plotted. Nutritional and physicochemical properties were also compared and no significant differences (P > 0.05) were observed between novel yoghurts and the control within the storage period. Signifi cant reductions in peak blood glucose concentration and area under the curve (AUC) (P < 0.05) for both novel products compared to standard dairy yoghurt was observed; revealing the reduction of glycaemic impact by spice ingredients. Peak reductions of glucose concentration for cinnamon yoghurt was 9.61%, for turmeric yoghurt was 9.26%; they were considerably lower compared to the control. Mean peak serum glucose concentration for control, cinnamon yoghurt and turmeric yoghurt were (113.38 ± 6.39), (102.50 ± 6.00), (102.88 ± 5.38) mg/dL respectively and mean AUC were (11 951 ± 523), (11 012 ± 611), (10 941 ± 530) (mg/dL)·min respectively. Hence novel yoghurt products are proven to be excellent sources in reducing postprandial blood glucose responses.

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