A kind of black rice anthocyanin salt with antioxidant effect and preparation method
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A black rice anthocyanin and anti-oxidation technology, applied in the field of food processing, can solve the problems of high and single sodium chloride content, affecting the health of Chinese people, and achieve the effect of improving stability and solving the problem of being degraded
Active Publication Date: 2021-03-30
灵璧匠米辣食品有限责任公司
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Problems solved by technology
The existing table salt products in our country are relatively single, mainly common table salt, low-sodium potassium salt, mushroom salt, pepper salt and other products, which generally have high sodium chloride content (≥90%), and long-term consumption of large amounts can easily cause high blood pressure, coronary pneumonia, etc. The occurrence of various diseases such as heart disease, arteriosclerosis and vision loss seriously affects the health of Chinese people
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Embodiment 1
[0043] (1) Remove impurities from black rice: Remove impurities and moldy black rice particles visible to the naked eye in black rice;
[0044] (2) Black rice crushing and extraction: use a grinder to crush the black rice after removing impurities in (1) until the average particle size of the material is 60 mesh, and the mass-volume ratio is 1:10 (Kg / L) Take black rice and water, adjust the pH to 2.5 with 1% citric acid solution, and extract for 2 h at 20 °C;
[0045] (3) Centrifugal separation: Using a disc centrifuge, at 7000 r / min, the black rice slurry is subjected to solid-liquid separation to remove impurities such as starch, protein, and polysaccharides, and obtain a water extract;
[0046] (4) Resin purification: Purify the water extract through AB-8 resin, the loading volume is 1 times the volume of the resin, first elute the column with 3 times the column volume of deionized water, and then wash with 65% ethanol Elution, the elution volume is 2 times the column volu...
Embodiment 2
[0054] (1) Remove impurities from black rice: Remove impurities and moldy black rice particles visible to the naked eye in black rice;
[0055] (2) Black rice crushing and extraction: use a grinder to crush the black rice after removing impurities in (1) until the average particle size of the material is 100 mesh, and the mass-volume ratio is 1: 20 (Kg / L) Take black rice and water, adjust the pH to 6.0 with 3% citric acid solution, and extract at 55 °C for 5 h;
[0056] (3) Centrifugal separation: Use a disc centrifuge to separate the black rice slurry from solid to liquid at 11,000 r / min to remove impurities such as starch, protein, and polysaccharides, and obtain a water extract;
[0057](4) Resin purification: Purify the water extract through AB-8 resin, the loading volume is 4 times the resin volume, first elute the column with 9 times the column volume of deionized water, and then wash with 95% ethanol Elution, the elution volume is 5 times the column volume, and the bla...
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Abstract
The invention relates to black rice anthocyan salts having the effect of resisting oxidation and a preparation method. The particle diameter of the anthocyan salts is smaller than or equal to 20[mu]m,the content of anthocyan is 0.09-0.5g / 100g, the content of sodium chloride is 82-89 g / 100 g, the content of insoluble substances is smaller than or equal to 0.04g / 100g, and the moisture content is smaller than or equal to 5g / 100g. The preparation method of the black rice anthocyan salts comprises the following operation steps of (1) pretreating black rice; (2) performing water extracting on blackrice anthocyan; (3) performing resin purification; (4) performing centrifugation nanofiltration; (5) preparing a microcapsule solution; (6) performing spray drying; and (7) performing packing and obtaining finished products. The prepared black rice anthocyan salt products not only sufficiently use the efficacy of physiological activators in the raw materials, exert the health-care functions, arefavorable for health of human bodies, but also adopt a spray drying technique for microencapsulating the anthocyan, so that the consumption of the anthocyan in the preparation course of the products is reduced, and the stability is improved. Through development of the anthocyan salt products, the application range of the anthocyan and table salt is widened.
Description
technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a black rice anthocyanin salt and a preparation method. Background technique [0002] Anthocyanins are a class of water-soluble natural pigments that widely exist in plants in nature. They belong to flavonoid compounds and are also the main substances for plant coloration. In recent years, a lot of research has been done on the physiological functions of anthocyanins at home and abroad, and fruitful research results have been obtained. Studies have found that regular consumption of anthocyanins can significantly improve vision, relieve liver dysfunction, inhibit tumor activity, slow down the deposition of senile plaques, and have the physiological function of anti-oxidation and anti-aging. At the same time, anthocyanin is also a natural pigment. Compared with artificial pigments, it has no side effects on the human body. A large number of anthocyanin products...
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