Peanut products not only have high nutritional value, but also have an appetizing peanut flavor, which is popular at home and abroad. Among the many peanut products, peanut butter is famous for its exquisite taste, rich peanut flavor and good processing performance. Peanut butter of wide range of USES, can be directly used as medium and western blot out food seasoning, also can be used as a cooking spice, can also be used for making cakes, small food stuffing, market demand is big. Here's a peanut butter processing technique.
Raw material selection of process flow, hot iron, cooling, removing film, scouring, pulping, microgrinding, mixing, vacuum concentration, sterilization, canning, sterilization, cooling, finished product
Operation points
1. Selection of raw materials: select the kernel with full grain, kernel and white, and the normal flavor of peanut, remove the impurities and mildew, worm-eaten and immature particles.
2, heat and cooling: will choose good peanuts into heat in boiling water for 5 minutes, then quickly get up and quickly in the cold water cooling, make peanut red membrane expansion after the first contraction in heat quenching wrinkling, easy to go to the film. It should be noted that the time should not be too long, so as to avoid the heat expansion of the groundnut kernel and the coating film, which is not conducive to the separation of the coating and the peanut kernel.
3. Stripping and rinsing: it can be used to gently rub and remove the coating and rinse with water.
4. Pulping and microgrinding: the rinsed peanut kernel is beaten into thick slurry and then grinds into a fine slurry.
5. Allocation: the proportion of ingredients is 30 kg of peanut slurry, 35 kilograms of sucrose (white granulated sugar) and 250 grams of AGAR. In advance, the sucrose is mixed with a concentration of 70% concentrated sugar, and the AGAR is evenly distributed with a small amount of hot water. Then all the materials are placed in the stainless steel batching drum. In order to increase the stability of the product, AGAR is used as thickener and stabilizer.
6. Homogenizing: the pressure of 40 mpa for the mixed material is homogenized in the homogenizer, making the granules in the pulp more delicate, which is conducive to the stable quality and flavor of the finished product.
7, concentration and sterilization: to maintain product nutrition and flavor, low-temperature vacuum concentration, enrichment condition of 60 ~ 70 ℃, 0.08 ~ 0.09 million mpa, to concentrate slurry after the soluble solids content of 62% ~ 65% advisable. When the concentration reaches the above requirements, close vacuum pump, remove vacuum, quickly paste heated to 95 ℃, maintain sterilization 50 seconds, immediately after the completion of the into the canning process. 8, canning and sterilization: four glass bottles and LIDS will advance with steam or boiling water sterilization, maintain the paste body temperature above 85 ℃ bottling, and slightly interspace, through vacuum seamer sealing seal. Can sealing at atmospheric pressure boiling water after sterilization remain for 10 minutes, after the completion of the water-cooled step by step to 37 ℃ or so, dry the outside water tank, the final product.
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