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A processing method and technology for concentrated juice, applied in the processing field of sugarcane juice concentrate, can solve the problems of clogging of membrane pores, browning during processing and storage, loss of flavor substances and nutrients, etc. Clear and transparent effect
Active Publication Date: 2015-01-14
广西百桂堂食品科技有限公司
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[0004] Aiming at the deficiencies in the prior art, the present invention provides a processing method of concentrated sugarcane juice, which solves the loss of flavor substances and nutritional components in the production process of concentrated sugarcane juice, browning in the process of processing and storage, and easy formation of film scale in the clarification of organic membrane ultrafiltration Cause technical problems such as membrane pore clogging
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Embodiment 1
[0034] A kind of processing method of sugarcane concentrated juice of the present invention, operation steps are:
[0035] (1) sugarcane peeling: select fresh and mature sugarcane, remove rotten, disease and pest raw materials, clean the surface of sugarcane and peel the skin to obtain sugarcane meat and sugarcane skin;
[0036] (2) Preparation of sugarcane meat concentrated juice
[0037] ① Juicing: Put the peeled sugarcane meat into the press to obtain a juice, spray water on the obtained bagasse, squeeze the juice again to obtain a second juice, mix the first juice with the second juice, and Add 85ppm of sodium metabisulfite (Na 2 S 2 o 5 ) to protect the color, to obtain the mixed juice of cane meat;
[0038] ② Pre-sterilization and enzyme deactivation: heat the mixed sugarcane meat juice to 95°C, keep it for 5 minutes, perform pre-sterilization and de-enzyme, so that part of the protein and colloid in the cane juice can be flocculated and precipitated to obtain heated...
Embodiment 2
[0051] (1) sugarcane peeling: select fresh and mature sugarcane, remove rotten, disease and pest raw materials, clean the surface of sugarcane and peel the skin to obtain sugarcane meat and sugarcane skin;
[0052] (2) Preparation of sugarcane meat concentrated juice
[0053] ① Juicing: put the peeled sugarcane meat into the press to extract a juice, spray water on the obtained bagasse, squeeze the juice again to obtain a second juice, mix the first juice with the second juice, and Add 95ppm of sodium metabisulfite (Na 2 S 2 o 5 ) to protect the color, to obtain the mixed juice of cane meat;
[0054] ② Pre-sterilization and enzyme deactivation: heat the mixed sugarcane meat juice to 98°C, keep it for 3 minutes, carry out pre-sterilization and de-enzyme, so that part of the protein and colloid in the sugarcane juice can be flocculated and precipitated to obtain heated cane meat juice;
[0055] ③Coarse filtration: the heated cane meat juice is first filtered through a scrape...
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Abstract
The invention relates to a processing method of a concentrated sugarcane juice. The processing method comprises the following steps: aiming at the difference of the proportions of nutrient contents and flavor substances contained in sugarcane meat and sugarcane skins, respectively processing the sugarcane and the sugarcane skin into a concentrated sugarcane meat juice and a clarified sugarcane skin juice, and mixing and homogenizing to obtain the concentrated sugarcane juice. The processing method comprises the following specific steps: peeling the sugarcane to the obtain the sugarcane meat and the sugarcane skins, firstly carrying out squeezing, enzyme pre-destruction and sterilization, rough filtration, enzymolysis, ceramic membrane ultrafiltration and vacuum concentration on the sugarcane meat, then carrying out squeezing to obtain the concentrated sugarcane meat juice, carrying out enzyme pre-destruction and sterilization, rough filtration, enzymolysis and ceramic membrane ultrafiltration on the sugarcane skins to obtain the clarified sugarcane skin juice, finally mixing and homogenizing the concentrated sugarcane meat juice with the clarified sugarcane skin juice, and carrying out high-temperature instant sterilization, so as to obtain the concentrated sugarcane juice. The concentrated sugarcane juice prepared by virtue of the processing method is clear and transparent, has aromatic flavor and fresh, sweet and delicious taste, the original flavor and nutritional ingredients of the sugarcane are maximally preserved, and precipitation and a turbid phenomenon are avoided in a storage period.
Description
technical field [0001] The invention relates to a processing method of concentrated sugarcane juice, belonging to the technical field of fruit and vegetable juice processing. Background technique [0002] Sugarcane is a unique subtropical fruit. It is rich in juice, high in sugar, and sweet in taste, and is widely loved by people. In addition, sugarcane also has the functions of clearing away heat and detoxification, promoting body fluid and quenching thirst, harmonizing the stomach and relieving vomiting, nourishing yin and moistening dryness, etc. It is a high-quality raw material for the production of beverages. At present, the method of making beverage with sugarcane juice mainly contains two kinds: a kind of is directly squeezed sugarcane juice and is mixed with beverage; Limited by resources and raw materials, it is impossible for beverage processing enterprises to directly extract sugarcane juice to make beverages. At present, most enterprises use concentrated sugarc...
Claims
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