Health care non-transgenic sweet potato powder and preparation method thereof
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A non-transgenic, sweet potato flour technology, applied in the field of health-care non-transgenic sweet potato flour and its preparation, can solve problems such as obesity, achieve the effects of no foreign matter addition, protection of biologically active ingredients, and favorable absorption
Inactive Publication Date: 2017-01-04
自然味(重庆)农业科技股份有限公司
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Unfortunately, most people think that eating sweet potatoes will make people fat and dare not eat them.
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Embodiment 1
[0030] The concrete preparation method of health-care non-transgenic sweet potato powder comprises the following steps:
[0031] (1) Wash the sweet potato (Yushu 17, place of origin: Pengshui County, Chongqing City) with clean water, drain, crush to 10 mesh, and then freeze-dry at -30°C for 10 hours to obtain dry powder;
[0032] (2) Add the dry powder to a superfine pulverizer (SQW-6A superfine pulverizer provided by Shandong Sanqing Stainless Steel Equipment Co., Ltd.) for superfine pulverization to 5 μm to obtain a superfine powder;
[0033] (3) adding the superfine powder into the enzyme solution with a temperature of 45° C. and stirring at a speed of 400 rpm for 4.5 hours, and then performing centrifugation in a centrifuge with a speed of 3800 rpm for 10 minutes to obtain a broken wall powder;
[0034] (4) Vacuum-dry the broken-wall powder at 60°C for 10 hours, then sterilize it by ultraviolet irradiation, and the irradiation dose is 350J / m 2 , and the irradiation time w...
Embodiment 2
[0040] It is basically the same as in Example 1, except that the compound enzyme is obtained by stirring and mixing evenly with glucoamylase and β-glucosidase at a mass ratio of 1:1. Obtain the health-care non-transgenic sweet potato powder of embodiment 2.
Embodiment 3
[0042] It is basically the same as Example 1, except that the compound enzyme is obtained by stirring and mixing uniformly with β-amylase and β-glucosidase at a mass ratio of 1:1. Obtain the health-care non-transgenic sweet potato powder of embodiment 3.
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Abstract
The invention discloses health care non-transgenic sweet potato powder and a preparation method thereof. The preparation method comprises the following steps of (1) cleanly cleaning sweet potatoes by clean water; draining the water; crushing the sweet potatoes to 2 to 20 meshes; then, freeze drying is performed at -15 DEG C to -35 DEG C for 5 to 15 hours; obtaining drying powder; (2) adding the drying powder into an ultrafine grinder to be subjected to ultrafine grinding into 1 to 10 mum; obtaining ultrafine powder; (3) adding the ultrafine powder into enzyme liquid with the temperature being 35 to 55 DEG C; performing stirring for 3 to 6 hours at the rotating speed of 300 to 800 r / min; then, performing centrifugal separation; obtaining wall-broken powder; (4) performing vacuum drying on the wall-broken powder at 45 to 75 DEG C for 5 to 15 hours; then, performing ultraviolet sterilization. The non-transgenic sweet potatoes are used as raw materials; crushing, freeze drying, superfine grinding and wall breaking are performed to obtain the health care non-transgenic sweet potato powder. Compared with the prior art, the preparation method provided by the invention has the advantages that in the wall breaking process, the wall breaking goal is achieved through enzymolysis; the speed and the efficiency are high; no foreign material is added; bioactive substances can be effectively protected; the human body adsorption is facilitated; the nutrition and health care values are high.
Description
technical field [0001] The invention relates to the field of nutritious food, in particular to a health-care non-transgenic sweet potato powder and a preparation method thereof. Background technique [0002] Sweet potato (scientific name: Ipomoea batatas), also known as sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, thread sweet potato, sweet potato, golden potato, sweet potato, red potato, pillow potato, etc. Common perennial dicotyledonous plants, herbaceous, with slender tendrils and prostrate stems. Root tubers produce lactic acid through anaerobic respiration. The skin is whitish or red. The flesh is mostly yellowish white, but also purple. In addition to being edible, it can also be used for sugar, wine and alcohol production. [0003] Sweet potatoes are rich in starch, vitamins, cellulose and other essential nutrients for the human body, as well as mineral elements such as magnesium, phosphorus, calcium, and linoleic acid. These ...
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