Method for processing watermelon water and watermelon juice by combining ultrasonic and ultrahigh pressure

Abstract

The invention relates to a method for processing watermelon water and watermelon juice by combining ultrasonic and ultrahigh pressure, and belongs to the field of food beverage and producing and processing method. The method comprises the following steps: (1) watermelon water: cleaning and pre-cooling a fresh watermelon raw material; crushing the watermelon and taking out pulp, and adding Vc and citric acid into the pulp for cold-pressing juice; carrying out broken wall treatment by ultrasonic; then evaporating the mixture by vacuum at low temperature to obtain the watermelon water; sterilizing the watermelon water by adopting ultraviolet and ultrahigh pressure combined sterilizing technology; and finally carrying out sterile canning; and (2) watermelon juice: cleaning and pre-cooling a fresh watermelon raw material; crushing the watermelon and taking out pulp, and adding Vc and citric acid into the pulp for cold-pressing juice; carrying out broken wall treatment by ultrasonic; adding pectase and cellulolytic enzyme into the mixture to carry out low temperature enzymolysis; homogenizing the mixture twice; adding sucrose or honey into the mixture to adjust taste; sterilizing the mixture by ultrahigh pressure; and carrying out sterile canning. The product has the natural character flavor of the watermelon, can obviously improve the utilization rate of the watermelon, reduce resource waste, and increase the economic benefit of the watermelon industry.

Description

technical field [0001] The invention belongs to the field of food and beverage and its production and processing method, in particular to melon fruit and vegetable water, juice and its production process produced with melon as the main raw material. Background technique [0002] Watermelon is a type of watermelon. It is mainly eaten from its seeds. It tastes delicious and has high nutritional value. More than 50% of people in the world like to eat it. The finished product of watermelon seeds is more popular in Europe and Southeast Asia. Welcome, the market is relatively broad. The planting of melons in my country is mainly in Xinjiang, with a planting area of ​​more than 1 million mu, and the yield per mu is about 160 kg. The water content of melon is 85%~90%, but because its seeds are mainly eaten, this part of water is lost in the process of processing, causing a considerable part of water resources to be wasted and causing environmental pollution at the same time. In or...

AI Technical Summary

Problems solved by technology

Melon juice is a kind of heat-sensitive juice, which is especially sensitive to heat. During the thermal processing, it causes the loss of nutrients, and produces bad flavor, which reduces the quality of the product.

For example, the patent "Punching Melon Beverage and Preparation Method" with the application number 200510045670 adopts the concentrated juice of Punching Melon and water to make a quick preparation without homogenization, and adopts a high-temperature sterilization process; "Beverage and its preparation method" focuses on the introduction of health benefits, but the sterilization process is not introduced; the patent application No. 200510016734 "low-sugar beverage with melon juice and its production process" mainly introduces the mixed development of beverage with melon juice and carrots. Super filtration

At present, there is no preparation process for preparing melon water and melon juice by using ultra-high pressure and ultraviolet combined technology to sterilize

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