果聚糖
果聚糖是果糖分子的聚合物,存在於洋薊、蘆筍、四季豆、韭蔥、洋蔥、蔥、菊薯、小麥等食物中。
在動物飼料中,牧草也含有果聚糖,由此可以看出果聚糖可能是馬科的飲食必需。
類型
果聚糖有3種類型:
功能
能將營養物質轉化成果聚糖的植物可以在低溫條件下良好的生長,因為果聚糖能增強植物的耐寒性。果聚糖會與細胞膜結合,可以保證細胞形態,使細胞不致受損。
食物中的果聚糖含量
洋姜 | 16.0-20.0%[2] |
菜薊 | 2.0-6.8%[2] |
蘆筍 | 1.4-4.1%[2] |
大麥穀粒(未成熟) | 22%[3] |
乳酪 | 4.5%[4] |
巧克力 | 9.4%[4] |
洋蔥 | 1.1-10.1%[2] |
裸麥糠 | 7%[5] |
裸麥穀粒 | 4.6-6.6%[5] |
小麥粉 | 1-4%[3] |
意式麵食 | 1-4%[2] |
白麵包 | 0.7-2.8%[2] |
參見
參考文獻
引用
- ^ Kang; et al. Levan: Applications and Perspectives. Microbial Production of Biopolymers and Polymer Precursors. Caister Academic Press. 2009. ISBN 978-1-904455-36-3.
- ^ 2.0 2.1 2.2 2.3 2.4 2.5 SUSAN J. SHEPHERD, M Nut Diet, APD*; PETER R. GIBSON, MD, MB, FRACP, "Fructose Malabsorption and Symptoms of Irritable Bowel Syndrome: Guidelines for Effective Dietary Management," J Am Diet Assoc 2006:106:1631-1639.[1] (頁面存檔備份,存於互聯網檔案館)
- ^ 3.0 3.1 Department of Food Science and Nutrition, University of Minnesota, Joanne L. Slavin, PhD, RD, "Mechanisms for the Impact of Whole Grain Foods on Cancer Risk," Journal of the American College of Nutrition, Vol. 19, No. 90003, 300S-307S (2000)[2] (頁面存檔備份,存於互聯網檔案館)
- ^ 4.0 4.1 Leon Prosky and Hubert Hoebregs, "Methods to Determine Food Inulin and Oligofructose," Journal of Nutrition. 1999;129:1418S-1423S.[3] (頁面存檔備份,存於互聯網檔案館)
- ^ 5.0 5.1 Karppinen, Sirpa. Dietary fibre components of rye bran and their fermentation in vitro. Espoo 2003. VTT Publications 500. 96 p. + app. 52 p.[4] (頁面存檔備份,存於互聯網檔案館)
來源
- 書籍
- Sugar - Chemical, Biological and Nutritional Aspects of Sucrose. John Yudkin, Jack Edelman and Leslie Hough (1971, 1973). The Butterworth Group. ISBN 0-408-70172-2.