The harvest period of tender corn is during the period of grain ripening, when the corn has the best flavor. The method of vacuum fresh-keeping of tender corn is as follows: 1. Technological process: tender corn → peeling and removing silk → cleaning → pre-cooking → cooling → drying → wiping → bagging → vacuum sealing → sterilization → constant temperature cultivation → inspection → packing → Package → Inbound. 2. Operation points: (1) Shelling, wire removal, and cleaning operators must pay attention to personal and operating site hygiene. During operation, first remove the tender corn leaves, filaments, and pedicel stems, then remove moldy, pestly, damaged, malformed, over-tender, and other unqualified tender corn, then use tap water. Rinse, categorize and grade in plastic baskets for use. (2) Precooking, cooling, and drying intervention Boil water should be added with appropriate amounts of green food preservatives, citric acid, and salt, at a temperature of 95°C or higher, and precooked for 5 minutes so that the temperature of the corn center can reach 95°C or more. Precooking should be done by gently turning to facilitate even heating. The precooked corn cobs should be quickly cooled with flowing water to 50°C-60°C and air-dried. (3)Before bagging, vacuuming, sealing and bagging, apply clean and hygienic gauze to dry the water droplets, then place the corn in a cooking bag and place it in a vacuum sealer to seal it. (4) Sterilization, cooling, constant temperature culture Sterilization temperature 100 °C, time 30 minutes, and finally the sterilized soft-packed corn cobs were cleaned and stored in a 25°C constant-temperature warehouse for 7 days, followed by packet-by-bag inspection to identify qualified products. (5) inspection, packing, inspection, packaging, storage. The air leakage and inferior quality were removed, qualified products were packed in grades and sealed with tape. The length of vacuum fresh-keeping time of tender corn is affected by the effect of preservatives, raw material variety, technology, and sanitary conditions during operation. If combined with other anti-corrosion and preservation measures (such as low temperature), the preservation effect will be better.
Traditional Chinese medicine believes that sperm and blood are homologous, blood deficiency is also insufficient, intestinal fluid deficiency is easy to cause constipation. Angelica sinensis can moisten intestines and relieve constipation, often combined with semen seed, bitter almond and rhubarb to treat blood deficiency and constipation; and Fangfeng Tongshengsan, composed of Fangfeng Tongshengsan, Chuanxiong, Shaoyao, rhubarb, mint leaf and ephedra, can relieve heat and relieve constipation.
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