Processing of the origin of Angelica sinensis
The processing of Angelica sinensis is directly related to the quality and medical effect. Because fresh angelica contains more than 60% water and volatile oil, if the processing is not timely, or processing is not good, it will rot and deteriorate.
Processing methods and procedures of angelica sinensis:
1. Select and tie the recovered angelica in time, and pick out the root rot, especially the water rot, so as to avoid the spread of water rot. The selected angelica is spread under dry and ventilated eaves for about 7 days to evaporate its water, and the root strips become soft and tied with wicker or bark. Each fresh weight 0.5~1 kg, shape to flat is appropriate. If the seed is too big, the ventilation is poor when fumigating the kang, and it is easy to rot; if it is too small, it will take time and effort.
2, smoked kang angelica can not be dried or dried method. The dried one is light in quality, thick and blue in skin, and poor in quality. Sun-dried angelica will make the skin color red, loss of oil, quality reduction. Min County in Gansu Province is built to smoke kang. There are special smokehouses, but also in dry and ventilated rooms set up. One side of the fumigation shed is open, or the top of the shed is provided with a flue for smoke exhaust. Set up a wooden frame 120~150 cm high in the fumigation shed, spread bamboo strips on the frame, and stack the angelica seeds on it. Stacking method is generally flat 1~2 layers, vertical 1 layer; there are also flat one layer, vertical one layer, and then flat several layers. It is about 30 to 45 cm thick and is not easy to dry. Then use wet firewood such as bean stalk, wet poplar, willow firewood, etc. to make a fire to smoke, can not use open fire, smoke can make angelica color. After about 10~15 days, when the epidermis of Angelica sinensis shows red or golden color, it is roasted with coal fire for about 10 days. After turning over the kang, the first rapid fire fumigation for 2 days, then slow fire fumigation for about 10 days, day and night baking kang, drying all reached 70 - 80% can reduce fireworks or let it dry. It usually takes 1 - 2 months to make angelica that meets the quality requirements.
It is very important to make a fire when smoking kang. The smoke should be uniform and the fire power should be moderate. Therefore, the fire is generally about 72 cm away from the scaffolding, not too close, and pay attention to moving the fire at any time, should be moved once a day, so that the kang can be smoked evenly. A small amount of angelica can be placed on the kang with a brazier to smoke the kang, colored and then placed on the cooking stove with fireworks to smoke the kang, 1 - 2 months can be smoked dry. After the dried angelica leaves the shed, shake off the soil, remove the wicker and bark used in the tying, remove impurities, rotten roots or fine hairs, and then package and sell according to the size, weight and specifications. Generally, 1.3~1.5 kg of fresh angelica can be dried by 0.5 kg of dried angelica.
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Breeding methods of Angelica sinensis
Propagate with seeds, raise seedlings and transplant. 1. The fresh seeds produced in the second year after transplanting are usually selected for seed collection. When the seed coat is blue or pink, it can be harvested, air-dried, threshed and stored. 2. The nursery land should be the leeward, shaded hillside or wasteland. Turn the ground in late May, use the burned weed ash as base fertilizer, turn it into the soil, and then rake flat to make a high border, 1.2m wide. Before sowing, apply base fertilizer, every 667m2 2500~3000kg, turn into the soil, fine and flat. Sow seeds from early to late June
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Harvest and processing of Angelica sinensis (1)
(1) those propagated by direct seeding in the middle and late October of the second year or the seedlings and transplants were collected and dug when the plants were withered and yellow in the middle and last ten days of October of the same year. If the excavation is too early, the root strip is not full, the yield is low, and the quality is poor; too late, the soil has been frozen, so it is difficult to dig and easy to break the root. Before harvest, cut the stems and leaves on the ground and expose them to the sun for 3 to 5 days to make the roots fuller and fuller, and then carefully dig up the whole roots. (2) after processing and digging Angelica sinensis, it cannot be piled up. Remove the soil first, select a highly dry and ventilated place, spread out and dry until the roots become soft, or according to the number of roots.
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