Organic lotus root has been planted in large areas in China, and the middle and lower reaches of the Yangtze River and other provinces in the south of the Yangtze River are rich production areas. However, organic lotus roots are susceptible to browning during storage and transportation, affecting their export and sales. The scientifically stored organic lotus root is neither browned nor rotted, its weight is not changed, and it can be stored for up to one month (at room temperature). The main points of this technology are described as follows:
The excavated muddy organic lotus root was washed with clean water, and was divided into pod sections. The pod sections at both ends of the pod section were removed, and the organic lotus root skin was scratched with a stainless steel scraper.
Organic lotus root is easily discolored, mainly due to an enzyme-induced browning. After debarking, the organic lotus root was soaked in 0.8%-1.5% salt solution until the corpus callosum was slightly soft and removed; and then placed in an LB organic lotus root preservative solution for 40 minutes.
Dehydration of organic lotus root has a number of holes, in the process of impregnating the preservation liquid, the hole retained more moisture in the hole, need to use the dehydration machine (in the dehydration machine liner or rubber liner, in order to avoid organic The lotus root is mechanically scratched to remove its bright water to prevent the appearance of water droplets in the bag.
The browning of organic lotus root is mainly enzymatic browning. In order to avoid enzymatic reactions, nylon plastic bags with strong oxygen barrier capability should be used for packaging. The capacity of each bag can be 1-5 kg ​​according to the needs of the market and vacuum sealed.
The organic lotus root should be stored in a cool environment as much as possible to avoid direct sunlight. The optimum storage temperature of organic lotus root is 5°C. At this temperature, organic lotus root treated with preservative can be kept fresh for 3-4 months. However, the temperature should not be lower than 5°C. Storage under 5°C for a long time will cause the organic lotus root tissue to soften until it forms a spongy shape without any food value. This phenomenon often occurs in the process of the North-South transportation in China. Cause a lot of economic loss and must be treated with caution.
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