How to store fragrant buds

First, suitable storage conditions; Toona sinensis stems and leaves very fresh, high water content, physiological metabolism, post-harvest storage and transportation of water loss is easy to wilt. Leaf shedding and rot are the main problems. Under low temperature conditions of 0°C, the loss of leaves can be significantly reduced, or the relative humidity is low, and the rate of leaf shedding is also significantly reduced. Therefore, the storage temperature of camphor is 0°C and the relative humidity is 80%-85%. When storing, small plastic films should be used for air conditioning. Second, the variety and harvesting; citrons are divided into purple and green citrons. The purple buds are purple-brown and suitable for storage. The green pods are green and the quality is slightly poor. The storage value is not high, but it is resistant to lower temperatures. The harvest time of Toona sinensis should be in mid-to-late April, and it can be harvested twice. The main buds were harvested first and the lateral buds were harvested. The gaps were 10-15 days apart. Harvested in the morning, it is not easy to lose water and wilting after harvest. For storing the citron, it is best to harvest the main bud. When harvesting, shoots will fall from the base of the twigs, and do not injure buds and leaves. Third, storage methods 1. Indoor storage; selected cool, moist, ventilated indoor, first sprinkled water on the ground, and then covered with a layer of seats; and then the buds are spread flat on the mat, about 10 cm thick, with wet grass or Film cover, generally short storage 5-7 days, but pay attention to ventilation and humidity. Do not stack high and sprinkle water on the buds to prevent heat from deteriorating, and leaves falling off and rot. 2. Dip the stems for storage; arrange the bases of the toona sinensis buds neatly and bundle them into small platters, put them in shallow pans, add about 3-4 cm deep water for a day and night, and put them in baskets or cartons in a cool, ventilated place and moisturize them. Can be stored for a short period of time. 3. Cold storage; Select buds thick, disease-free camphor buds, remove the old stems at the base of the buds, tied into a small 0.25-0.5 kilograms, sent to the cold storage rack placed, pre-cooled and then bag cold. The specific method is: first a piece of 0.02-0.03 mm thick polyethylene film is put in a plastic box or a carton, and then put into bundles, pre-cooled taro buds, add a pack of ethylene absorbent (pre-prepared The broken bricks absorb the gauze bag of the supersaturated potassium permanganate solution), and then the film is folded and put into a freezer rack to be placed or stacked; or a small plastic film bag is used for storage, and a 0.02-0.03 mm thick polyethylene film is used. , Made of 25-3025-30 cm specifications of the packaging pouch, each containing 0.15-0.25 kg bale, pre-cooled citron, plus a small packet of ethylene absorbent, tie bag mouth; or use perforated film bags (play Eight holes 5 mm in diameter), zigzag, placed in the freezer rack or packed in stacks. During storage, the storage temperature should be controlled at 0-1°C, 80%-85% relative humidity. The bag can form a certain environment of low oxygen and high carbon dioxide. In this way, the humidity can be maintained and the ethylene gas in the bag can be sucked in to prevent the saplings from dehydration, wilting, flaking and rot. Generally, they can be stored for about one month.

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