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A production method and technology of walnut powder, applied in application, food preparation, food science and other directions, can solve problems such as poor solubility, low purity, and inability to achieve aseptic production.
Inactive Publication Date: 2010-04-07
石家庄市丸京干果有限公司
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Walnut powder is a deep-processed product of walnut kernel with high nutritional value. At present, the production process of walnut powder on the market is mostly ultra-fine powder micro-grinding. Bacteria production, the bacteria index exceeds the standard
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Embodiment 1
[0139] Walnut powder production method of the present invention is as follows:
[0140] ①Material selection: select plump walnut kernels that are free from insects, mildew, and oil spills, and remove walnut shells and impurities;
[0141] ② Peeling: Use walnut kernels containing 0.1% CaCl 2 Soak with 0.5% NaOH compound lye for 5 minutes, the soaking temperature is 60-63°C, the amount of compound lye is 4 times the weight of walnut kernels, spray with 0.3Mpa high pressure and small flow water gun after soaking and combine with bubbling water flow impact Combined with ultrasonic vibration three-effect washing peeling, ultrasonic vibration power ≥ 2000W, time 5min;
[0142] ③Centrifugal dehydration: Centrifugal dehydration of peeled walnut kernels;
[0143] ④ Drying: Put the peeled walnut kernels into a vacuum drying oven at a temperature of 48-50°C and a pressure of 0.07Mpa, and dry until the moisture content is about 5%;
[0144] ⑤ Crushing: Use a crusher to break the peeled...
Embodiment 2
[0153] Walnut powder production method of the present invention is as follows:
[0154] ①Material selection: select plump walnut kernels that are free from insects, mildew, and oil spills, and remove walnut shells and impurities;
[0155] ② Peeling: Use walnut kernels containing 0.1% CaCl 2 Soak with 0.5% NaOH compound lye for 3 minutes, soaking temperature is 60-63°C, the amount of compound lye is 4 times the weight of walnut kernels, spray with 0.5Mpa high pressure and small flow water gun after soaking and combine with bubbling water flow impact Washing and peeling combined with ultrasonic vibration three effects, ultrasonic vibration power ≥ 2000W, time 3min;
[0156] ③Centrifugal dehydration: Centrifugal dehydration of peeled walnut kernels;
[0157] ④ Drying: Put the peeled walnut kernels into a vacuum drying oven at a temperature of 48-50°C and a pressure of 0.07Mpa, and dry until the moisture content is about 5%;
[0158] ⑤ Crushing: Use a crusher to break the peele...
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Abstract
The invention provides walnut powder and a production method thereof; walnut kernel is peeled by high pressure water spraying, bubble water stream impact and ultrasonic wave vibration after being soaked by compound alkaline liquid, and then second-grade cold pressing is carried out to the peeled walnut kernel after the peeled walnut kernel is dried and crushed, the walnut kernel is crushed, filtered, batched and colloid-milled to be refined, and then a complex stabilizer is added in the walnut kernel to be sterilized, concentrated, homogenized and dried to obtain the walnut powder. The method has low damage degree, can effectively prevent protein denaturation and reduce alkaline liquid amount; the second-grade cold pressing technology is adopted, the denaturation degree of the protein of the walnut cake is reduced, and the walnut powder is prepared by high-pressure homogeneity and spraying drying; the visual color and luster, solubility and the content of the protein and other indexes of the product are superior to the similar products in the current market. The invention realizes the comprehensive utilization of the walnut resource, the technology is advanced, simple and practical and is easy to popularize, thereby having good economic and social benefits.
Description
technical field [0001] The invention relates to walnut powder and a production method thereof. Background technique [0002] At present, the walnut processing products in our country are mainly walnut kernels, but the added value of walnut kernel processing is low, and it is easy to oily and deteriorate at room temperature, which is not conducive to balanced production. Therefore, the development of walnut deep-processing products is an urgent requirement for the development of my country's walnut industry. Walnut powder is a deep-processed product of walnut kernel with high nutritional value. At present, the production process of walnut powder on the market is mostly ultra-fine powder micro-grinding. Bacteria production, the bacteria index exceeded the standard. [0003] The invention overcomes the deficiencies of the prior art and provides walnut powder and a production method thereof. Contents of the invention [0004] The technical problem to be solved by the presen...
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