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Dried bitter herbs
Bitter herbs is a perennial herb of the genus Patrinia, which is named after the bitter taste and often eats the young leaves that germinated in the year. It has rich nutrition and unique flavor, but also has some medicinal health care value. The following describes the dry technology of bitter herbs. First, the process of raw material processing and baking back to the soft-classification of the block pest control packaged finished products. Second, the processing points 1, the raw material treatment choice fresh, disease-free bitter herbs, water wash impurities, drain, into the 0.2-0.5% citric acid and 0.2% sodium metabisulfite mixed solution boiled for 5-8 minutes, inactivate the enzyme , color protection, sterilization, and then rinse with flowing water, cooling. 2. The cooked bitter herbs are evenly placed into the baking tray and fed into the baking oven. The temperature is 45-50° C. in the early stage of drying and 60° C. is appropriate in the later period. The drying room should be regularly ventilated, drained, and reduced in relative humidity to facilitate drying. During the drying process, the position of the baking tray should be reversed at any time, and attention should be paid to turning the raw material to obtain a dry and consistent product. 3, softening, grading the bitter vegetables after drying room into a closed room or container for softening 1 to 3 days, so that the raw water content is consistent, the texture is slightly weak, according to the product color, length classification. 4, press the product level, packaging requirements, the use of artificial or machine pressure block, pressure block machine is generally about 70kg/cm2, to maintain 1 to 3 minutes, such as easy to cause crushing, in front of the pressure to spray suitable hot steam. 5. Insect-resistance dry products are susceptible to insect pests. Bunker can be used to fumigate and kill insects before briquetting. Residues of pesticides used must not exceed national standards. 6, packaging, storage with polyethylene plastic bag sealed, boxed, stored at a temperature of 2 ~ 10 °C, relative humidity of 65% or less in the warehouse, protected from light.