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1、Discussion on functional foods of dietary fiber班級(jí) 班級(jí):10 食品營(yíng)養(yǎng)與檢測(cè) 食品營(yíng)養(yǎng)與檢測(cè) 姓名:李勇 姓名:李勇 學(xué)號(hào): 學(xué)號(hào):201011060113Abstract: human society entering the 21st century, significantly improve people's living standard, increasingly f

2、ine diet, increased attention to health, a part of as a function of dietary fiber in foods, whose physiological function has been a hot food area of research, side by side as one of the functional components of health fo

3、od. Function of dietary fiber in the field of nutrition is of great concern, will no doubt greater application in healthy eating and playing an important role.Key words: dietary fiber physical health functional food deve

4、lopmentText: nutrition of dietary fiber by 1970 the term did not appear in, is a complex mixture of collectively, is a generally difficult to digest food and nutrients. Furthermore, dietary fiber known as following the w

5、ater, protein, fat, fresh water outside the compounds, minerals, cellulose “seventh nutrients“. Mainly from plant cell walls containing cellulose, hemicellulose, pectin and lignin resin, A. Structure and characteristics

6、of main components of dietary fiber1, cellulose cellulose cannot be human intestinal enzymes of the digestive tract. Cellulose is hydrophilic, role in intestinal absorption of moisture.2, hemicellulose: hemicellulose in

7、the human large intestine than the susceptible bacteria cellulose decomposition. It has the combination of ion. Some ingredients are soluble in the hemicellulose. Most of them are not soluble hemicellulose and its physio

8、logical role is also played.3, pectin: pectin is an amorphous substance, present in fruits and vegetables in the soft tissue, can be dissolved in hot aqueous solution, acid formation of colloidal of heating in aqueous so

9、lution. Pectin also has the ability to combine with interest. 4, gum: gum chemical structure due to different sources and there are differences. Main ingredient is half lying using glyoxylic acid, lactic acid, polysacc

10、haride formed Arab glucose and mannose, it can be dispersed in wate5, wood quality: lignin is not a polysaccharide material, polymers of propylene phenyl class, with complex three dimensional structures. Because lignin i

11、s difficult to separate from the cellulose in the cell walls, which include the lignin component of dietary fiber. People and animals can't digest. Victoria is a human intestinal digestion and absorption resistance,

12、and in the human large intestine part or all of the sensitivity to insulin, but also directly affect the islet a-cell function, improve insulin in the blood regulation, improve the body's level of glucose tolerance,

13、and conducive to treatment and rehabilitation of diabetes. The studies show that adequate dietary fiber content of the diet, either in the prevention or in the treatment of diabetes has special effects.C Dietary fiber

14、trendsDietary fiber is just getting started in our applied research, basic research is relatively weak, and applied research at a relatively low level, therefore, the research on dietary fiber to be moving in the followi

15、ng directions:1 . Dietary fiber to strengthen the basic research for 20 years, the study of the dietary fiber in China are mainly concentrated in the preparation of dietary fiber, some basic research is relatively weak,

16、such as dietary fiber modified detection analysis of dietary fiber, dietary fiber physiologicalthe function mechanism studies, research in this area to be strengthened.2. Strengthen the study of the sources of dietary f

17、iber source of dietary fiber, stems largely from wheat, soybeans, sugar cane, Jerusalem artichoke, guar gum, In China, in addition to many food crops have not been fully developed application,targeted to strengthen the s

18、tudy of the sources of dietary fiber, will have a very important role in promoting the development of China's food industry.D. EpilogueWith the deepening of the understanding of the relationship of dietary fiber and

19、 human health, a number of high-fiber foods increasingly favored by the general public, we have reason to believe that dietary fiber will become one of the nutrients of the 21st century's most developed force.【Refere

20、nces】[1] “dietary fiber in food processing and research progress[2] “dietary fiber in food[3] of dietary fiber and its physiological function[4] Food and Health[5] How to eat the most secure[6] Food and Nutrition[7] Psyc

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