Method for producing water-soluble citrus peel fibres
A technology of orange peel fiber and production method, applied in the production field of water-soluble orange peel fiber, can solve the problems of insoluble in water, dark color and the like of hemicellulose
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example 1
[0016] Example 1, food raw material type water-soluble orange peel fiber
[0017] Color protection: 100kg of fresh citrus peels for the production of canned orange slices are selected and removed, soaked in 0.15% vitamin C solution for 8 minutes, and the temperature of acid water is 42°C. After soaking, remove the citrus peels and drain moisture.
[0018] Drying: 100kg of fresh citrus peels after color protection are dried with belt-type microwave drying equipment: microwave power is 20%-30%, and the drying time is 120min. Ventilation and moisture removal. The moisture content of citrus peel at the end of drying is 20%-22%.
[0019] The orange peel after drying is required to keep the color of fresh orange peel without obvious black peel.
[0020] In order to prevent the volatilization of aromatic oil and the oxidation of orange peel pigment during the storage of dried peels, the dried orange peels should be sealed and stored away from light.
[0021] Pulverization: In ord...
example 2
[0034] Example 2, water-soluble orange peel fiber beverage
[0035] Color protection: 100kg of fresh citrus peels for the production of canned orange slices, after selection and removal of impurities, soak in 0.15% citric acid solution for 10 minutes, the acid water temperature is 55°C, remove the citrus peels after soaking, and drain the water .
[0036] Drying, pulverizing operation are with example 1.
[0037] Extraction: The crushed orange peel is placed in CO 2 In the supercritical extraction tank, the extraction process conditions are: extraction temperature 40°C, extraction pressure 25Mpa, extraction time 180min, separation I temperature 30°C, separation I pressure 6-8Mpa, separation II temperature 20°C, separation II pressure 4-5Mpa, CO 2 The flow rate is 45-50l / h.kg raw material.
[0038] Separation, rehydration, ultrafine pulverization, and enzymatic hydrolysis are the same as in Example 1.
[0039] Concentration: The material after deactivating the enzyme is co...
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