日本食品保蔵科学会誌
Online ISSN : 2186-1277
Print ISSN : 1344-1213
ISSN-L : 1344-1213
バオバブ(Adansonia digitata)フルーツパルプの水溶性食物繊維の糖組成およびラットを用いた耐糖能の評価
米澤 加代谷岡 由梨石田 裕島田 剛志古庄 律
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2015 年 41 巻 6 号 p. 247-252

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 In this study, soluble dietary fiber (SDF) prepared from baobab (Adansonia digitata) fruit pulp (BFP) was found to be composed of 82.9% acidic and 10.1% neutral sugar. When the methoxylated content of BFP-SDF was assayed, the proportion of methoxylated galacturonic acid was found to be 14.1%. The effect of BFP-SDF on the regulation of blood glucose level was examined in vitro and in vivo. BFP-SDF significantly reduced both glucose diffusion and permeation rates in cultured Caco-2cells. In oral glucose-tolerance tests conducted on Sprague-Dawley rats, compared to control rats administered 40% glucose solution, rats administered 40% glucose solution supplemented with 5% or 10% BFP-SDF showed significantly decreased postprandial blood glucose levels at 90 min and 120 min after administration. These results suggest that inclusion of BFP-SDF in the diet has a hypoglycemic effect in mammals, mainly due to a decrease in the diffusion of ingested glucose in the intestine.

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