Chitosan oligosaccharide composite powder with adjuvant hpyerglycemic function and preparation method thereof
A technology of chitosan oligosaccharide and compound powder is applied in the functions of food ingredients, food ingredients containing yeast, food ingredients containing natural extracts, etc. Adjusting islet function, low molecular weight, good water solubility
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Embodiment 1
[0032] A kind of preparation method of chitosan oligosaccharide, concrete steps are as follows:
[0033] (1) Chitosan and water are joined in the high-speed shearing disperser with the ratio of 0.1Kg / L, and after running at 2000 rpm for 2 minutes, add glacial acetic acid according to the weight ratio of chitosan aqueous solution: glacial acetic acid=6:1; After running for 15 minutes, add 12000U / kg (chitosan) chitosan hydrolase, and control the temperature at 53°C;
[0034](2) When the viscosity drops below 800cp and the pH is 4.8, control the stirring speed to 4000rpm, continuously add chitosan powder, and add glacial acetic acid according to the volume ratio of 3 parts of glacial acetic acid per 100 parts of chitosan solution. Dissolve, add chitosan hydrolase according to the consumption of chitosan hydrolase in step 1) again simultaneously, until the concentration of chitosan solution reaches 12%, pH5.0, add chitosan hydrolase 12000U in solution afterwards / kg (chitosan), a...
Embodiment 2
[0040] An oat beta-glucan prepared by the following method, the specific steps are as follows:
[0041] (1) Select barley bran without enzymes and impurities, add 2 times of pure water to soak twice, dry with hot air at 65°C for 2 hours, and then crush through a 60-mesh sieve;
[0042] (2) Add 15 times the amount of pure water (w / v) to the barley bran powder obtained in step (1), adjust the pH value to 9.5, heat up to 100°C, and add 0.15% barley bran dry matter in 3 times ( w / w) high temperature-resistant α-amylase, added once every 3 hours for hot alkali extraction, and filtered to collect the filtrate;
[0043] (3) Concentrate the enzymolysis filtrate obtained in step (2) to an aqueous solution (w / v) of 12 times the dry matter of the initial barley bran, adjust the pH value to 9.5, maintain the temperature at 60° C., and let stand for 4 hours. Precipitate protein, filter to remove protein and collect filtrate, add high temperature resistant α-amylase with 0.1% (w / w) dry mat...
Embodiment 3
[0049] A kind of chitosan oligosaccharide composite powder with the function of assisting in lowering blood sugar, which is prepared by weight from the following components: 40Kg of oat β-glucan, 10Kg of chitosan oligosaccharide, 20Kg of Polygonatum extract, 8Kg of mulberry leaf extract, and balsam pear extract 2Kg of food, 0.1Kg of chromium-enriched yeast, 5Kg of whey protein concentrate, 4.9Kg of L-arabinose, and 10Kg of isomalt. The oligochitosan and oat β-glucan are respectively the oligochitosan and oat β-glucan prepared in Example 1-2, and the Polygonatum extract, mulberry leaf extract and bitter gourd extract are purchased from Weihai Songling Nokejia Chinese Medicine Pieces Co., Ltd.
[0050] The preparation method is as follows:
[0051] (1) Dissolve oat β-glucan, chitosan oligosaccharides, sealwort extract, mulberry leaf extract, and bitter melon extract in 2 times the amount of pure water according to the weight ratio of the components, stir evenly, and heat to a t...
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