Journal
NUTRIENTS
Volume 9, Issue 11, Pages -Publisher
MDPI AG
DOI: 10.3390/nu9111195
Keywords
kiwifruit; postprandial glycaemia; hypoglycaemia; carbohydrates
Categories
Funding
- New Zealand National Science Challenge [UOAX1421]
- Zespri International Limited
- Kiwifruit Royalty Investment Programme of The New Zealand Institute for Plant & Food Research Limited, New Zealand
- New Zealand Ministry of Business, Innovation & Employment (MBIE) [UOAX1421] Funding Source: New Zealand Ministry of Business, Innovation & Employment (MBIE)
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Kiwifruit (KF) effects on the human glycaemic response to co-ingested wheat cereal were determined. Participants (n = 20) consumed four meals in random order, all being made to 40 g of the same available carbohydrate, by adding kiwifruit sugars (KF sug; glucose, fructose, sucrose 2:2:1) to meals not containing KF. The meals were flaked wheat biscuit (WB)+KFsug, WB+KF, WB+guar gum+KFsug, WB+guar gum+KF, that was ingested after fasting overnight. Blood glucose was monitored 3 h and hunger measured at 180 min post-meal using a visual analogue scale. KF and guar reduced postprandial blood glucose response amplitude, and prevented subsequent hypoglycaemia that occurred with WB+KFsug. The area between the blood glucose response curve and baseline from 0 to 180 min was not significantly different between meals, 0-120 min areas were significantly reduced by KF and/or guar. Area from 120 to 180 min was positive for KF, guar, and KF+guar, while the area for the WB meal was negative. Hunger at 180 min was significantly reduced by KF and/or guar when compared with WB. We conclude that KF components other than available carbohydrate may improve the glycaemic response profile to co-ingested cereal food.
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