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1, control blood lipid
In recent years, the efficacy of dietary fiber has been proved, which can reduce the blood lipid level of human and animals, and greatly reduce the serum cholesterol and fat (triglyceride) of human and mice. If you take 5- 10g inulin every day, the serum fat can be reduced by less than 20%. Hidaka et al. reported that elderly patients aged 50-90 years ate 8g short-chain dietary fiber every day, and after two weeks, the blood triglyceride and total cholesterol levels decreased. Yamashita et al. fed 8g inulin to 18 diabetic patients for two weeks, the total cholesterol decreased by 7.9%, but HDL—- cholesterol remained unchanged. However, in the control group fed with food, the above parameters did not change. Brighenti et al. observed that 12 healthy young men added 9g inulin to their daily cereal breakfast for 4 weeks, the total cholesterol decreased by 8.2% and the triglyceride decreased by 26.5%. Many dietary fibers absorb intestinal fat and form fatty fiber complex, which is excreted with feces, thus reducing blood lipid level. Moreover, inulin itself is fermented into short-chain fatty acids and lactic acid before intestinal end, and lactic acid is a regulator of liver metabolism. Short-chain fatty acids (acetate and propionate) can be used as fuel in blood, and propionate inhibits the synthesis of cholesterol.
2, lower blood sugar
Inulin is a carbohydrate, which will not lead to the increase of glucose in urine. It will not hydrolyze into monosaccharide in the upper part of intestine, so it will not increase blood sugar level and insulin content. Recent studies show that the decrease of fasting blood glucose is the result of short-chain fatty acids produced by fructooligosaccharides fermentation in colon.
3. Promoting the absorption of minerals Inulin can greatly improve the absorption of minerals such as Ca2+, Mg2+, Zn2+, Cu2+ and Fe2+ ",and dietary fiber can combine with metal ions in the digestive tract. Any compound of inulin and minerals will degrade during fermentation, releasing minerals, thus effectively absorbing metal ions. In addition, the acid produced by fermentation reduces the pH value of colon by 1-2 units, which greatly improves the solubility/bioavailability of many minerals (such as calcium phosphate). Moreover, studies have shown that short-chain fatty acids, especially butyrate, can stimulate the growth of colonic mucosal cells and improve the absorption capacity of intestinal mucosa. Inulin can also improve the combination of calcium and protein in colon segment.
4. Studies on increasing intestinal bifidobacteria show that daily intake of inulin can greatly increase beneficial bacteria in colon (about 10 times) and reduce pathogenic bacteria and spoilage bacteria, such as Salmonella, Listeria, Staphylococcus aureus and Escherichia coli. Its mechanism is that inulin directly enters the large intestine without digestion and absorption, and is preferentially used by Bifidobacterium to produce acetic acid and lactic acid, which reduces the PH value of the large intestine, thus inhibiting the growth of harmful bacteria. Therefore, inulin is a proliferation factor of Bifidobacterium.
5. Anti-constipation and treatment of obesity Dietary fiber reduces the residence time of food in gastrointestinal tract, and increases the amount of feces, effectively treating constipation. Its weight-reducing function is to increase the viscosity of the contents and reduce the speed of food entering the small intestine from the stomach, thus reducing hunger and reducing food intake.
So your worry is unnecessary.