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    Article

    Postprandial blood glucose response to grape seed extract in healthy participants: A pilot study

    Suwimol Sapwarobol2,3★, Sirichai Adisakwattana2,3, Sawitree Changpeng4, Wilwan Ratanawachirin4, Kanokporn Tanruttanawong4, Waridtha Boonyarit4★ Corresponding author

    1. 1The Medical Food Research and Development Center, Department of Nutrition and Dietetics, Faculty of Allied Health Science, Chulalongkorn University, Bangkok, Thailand.
    2. 2Research Group of Herbal Medicine for Prevention and Therapeutic of Metabolic diseases, Chulalongkorn University, Bangkok, Thailand.
    3. 3Undergraduate Program in Nutrition and Dietetics, Faculty of Allied Health Sciences, Chulalongkorn University, 154 Rama I Road, Wangmai Pathumwan, Bangkok 10330, Thailand.

    CORRESPONDENCE

    Suwimol Sapwarobol

    Research Group of Herbal Medicine for Prevention and Therapeutic of Metabolic diseases, Chulalongkorn University, Bangkok, Thailand.

    suwimol.sa@chula.ac.th

    Received: 17-08-2011; Revised: 12-10-2011.

    Volume 8, Issue 31 · pp. 192–196 · PUBLISHED 2 August 2012 · DOI: 10.4103/0973-1296.99283

    View on Pharmacogn. Mag. original site ↗

    ABSTRACT

    Background: The consumption of a high carbohydrate diet may be associated with an increased risk of type 2 diabetes and obesity. Previous studies in vitro have revealed that grape seed extract (GSE) inhibited the intestinal α-glucosidases and α-pancreatic amylase that may delay carbohydrate digestion and absorption, resulting in the suppression of postprandial glycemia. The objective of the study was to assess whether consumption of GSE together with high carbohydrate meal affects postprandial glycemia in healthy participants. Materials and Methods: The study used acute, randomized, controlled crossover design in which eight healthy subjects (four female and four male, mean aged 21.25 ± 3.69 years; body mass index =20.28 ± 1.40 kg/m2) received high carbohydrate (HC) meal (73.6 %) together with or without 100 and 300 mg GSE. Results: Results showed that postprandial plasma glucose concentrations at 15 min and 30 min after ingestion HC meal together with 100 mg GSE (5.33 ± 0.41 mmol/L and 5.62 ± 0.47 mmol/L, respectively) and 300 mg GSE (5.27 ± 0.29 mmol/L; 5.75 ± 0.44 mmol/L, respectively) were significantly lower than that of HC meal (P<0.05). There was statistically significant difference in the 2 h area under the glucose response curve between HC meal and HC meal plus GSE. Conclusions: GSE reduces postprandial plasma glucose in healthy participants. The delayed and attenuated hyperglycemia may have a useful strategy to prevent development of diabetes in the healthy population.

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      Sapwarobol, S., Adisakwattana, S., Changpeng, S., Ratanawachirin, W., Tanruttanawong, K., & Boonyarit, W. (2012). Postprandial blood glucose response to grape seed extract in healthy participants: A pilot study. Pharmacognosy Magazine, 8(31), 192–196. https://doi.org/10.4103/0973-1296.99283