Air-conditioned preservative production technology of wild chickweed tender tip
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A modified atmosphere preservation and production technology technology, applied in the direction of fruit and vegetable preservation, food preservation, food science, etc., can solve the problems of affecting market supply, difficult storage and transportation, high water content, avoiding the deterioration of vegetable quality, prolonging shelf life, The effect of thorough cleaning
Inactive Publication Date: 2013-08-14
SUZHOU POLYTECHNIC INST OF AGRI
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[0003] In recent years, young chickweed shoots are increasingly favored by people, but due to their high water content, they are sensitive to temperature and humidity, easily damaged and spoiled, difficult to store and transport, and affect market supply
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[0045] Such as figure 1 Shown, a kind of modified atmosphere fresh-keeping production technique of wild chickweed tender shoots, comprises the steps:
[0046] (1) Picking and pre-cooling of raw materials: Pick raw materials of chickweed young shoots, and store them in low temperature after passing the acceptance. Specifically, when picking raw chickweed young shoots, we should not only pay attention to its freshness, but also pay attention to the surrounding ecological environment, so that the detection of pesticide residues can meet the requirements of GB2763-2012. Raw materials should be transported in time, be careful not to be bundled and squeezed, and should be handled with care, and packed in special plastic boxes. Food plastic turnover boxes should meet the requirements of GB / T5737-1995 to avoid deterioration. Accepted raw materials should be stored and cooled at (2±1)°C.
[0047] (2) Selection of raw materials: After pre-cooling, select chickweed shoots that meet the...
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Abstract
The invention relates to an air-conditioned preservative production technology of a wild chickweed tender tip. The air-conditioned preservative production technology is characterized by comprising the following steps of: (1) picking up and pre-cooling the material; (2) choosing the material; (3) soaking, wherein the soak solution is prepared from the material and water according to the material-water volume ratio of 1:(9-11), and the material contains 1% of salt solution; (4) cleaning, namely removing dust and sand; (5) dewatering, namely dewatering by a centrifugal machine; (6) sterilizing, namely sterilizing by an ultraviolet sterilizer; (7) air-conditioning and packaging, tightly packaging the chickweed tender tip by a preservative film; and filling mixed gas formed by O2, CO2 and N2 according to a certain ratio; and (8) refrigerating. According to the air-conditioned preservative production technology disclosed by the invention, the chickweed tender tip is packaged by O2, CO2 and N2 with certain proportion, and stored at low temperature; change of nutritional ingredients of the air-conditioned chickweed tender tip can be reduced; the original freshness, color and luster, and special flavor are kept to the maximal extent; and the purposes of prolonging the shelf life and regulating the surplus and deficiency of a market are achieved.
Description
technical field [0001] The invention relates to a food preservation process, in particular to a vegetable preservation process. Background technique [0002] Chickweed is a common wild Caryophyllaceae plant that grows on roadsides, fields, and streams in West Dongting Mountain, Suzhou, Jiangsu Province. It likes a warm and humid environment, and the suitable growth temperature is 13-23°C. Its stems, leaves and seeds can be used as medicine, which has the functions of antibacterial, anti-inflammatory, antipyretic, diuretic, prolactin, and blood circulation. The edible part of chickweed is its young shoots, which are slender and soft, with many branches at the base, roots on the lower nodes, and forked branches at the upper part, so its appearance is good. In addition, the vitality of the young stems is strong, there is no artificial cultivation, the propagation is fast, and it is rarely infected with diseases. According to measurements, every 100g of edible part of chickwee...
Claims
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