J Nutr Health.  2016 Oct;49(5):295-303. 10.4163/jnh.2016.49.5.295.

Effect of varying levels of xylobiose in sugar on glycemic index and blood glucose response in healthy adults

• Lee JS
• Kim AR
• Nam H
• Kyung M
• Seo S
• Chang MJ

• KMID: 2357132
• DOI: http://doi.org/10.4163/jnh.2016.49.5.295

Abstract

PURPOSE
The objective of this study was to compare the effects of three different levels of xylobiose containing sucrose on glycemic indices based on oral glucose tolerance test (OGTT) and blood glucose response in healthy adults.
METHODS
Healthy adults (six male and five female participants, n = 11) underwent 14~16 hr of fasting. Subsequently, all participants took 50 g of available carbohydrates from glucose, sucrose containing 7% xylobiose (XB 7), sucrose containing 10% xylobiose (XB 10), or sucrose containing 14% xylobiose (XB 14) every week on the same day for 8 weeks. Finger prick blood was taken before and 15, 30, 45, 60, 90, and 120 min after starting to eat.
RESULTS
We observed reduction of the glycemic response to sucrose containing xylobiose. The glycemic indices of XB 7, XB 10, and XB 14 were 57.0, 53.6, and 49.7, respectively. The GI values of XB 7 were similar to those of foods with medium GI, and the GI values of XB 10 and XB 14 were similar to those of foods with low GI. The postprandial maximum blood glucose rise (Cmax) of XB 14 was the lowest among the test foods. XB 7, XB 10, and XB 14 showed significantly lower areas under the glucose curve (AUC) for 0~30 min, 0~60 min, 0~90 min and 0~120 min compared to glucose.
CONCLUSION
The results of this study suggest that sucrose containing xylobiose has an acute suppressive effect on GI and postprandial maximum blood glucose rise. In addition, levels of xylobiose in sugar may allow more precise assessment of carbohydrate tolerance despite lower glycemic responses in a dose-dependent manner.

Keyword

xylobiose (XB); glycemic index (GI); blood glucose; healthy adults

MeSH Terms

Adult*
Blood Glucose*
Carbohydrates
Fasting
Female
Fingers
Glucose
Glucose Tolerance Test
Glycemic Index*
Humans
Male
Sucrose
Blood Glucose
Carbohydrates
Glucose
Sucrose

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