How to distinguish Euryale ferox from others?

Euryale ferox is a traditional Chinese medicine that people often eat, which can be divided into two categories: North Euryale ferox and South Euryale ferox. Euryales in the north are mostly wild and suitable for long-term stewing, while Euryales in the south are mostly planted artificially. You should know the identification method of Euryales when you buy Euryales. Wet Euryale ferox should be uniform in size, bright in color, round and undamaged, and the attached fine powder particles are fresh and good Euryale ferox. However, dried gordon euryales can be identified by biting and smelling. How to preserve the wet and dry gorgon gordon gordon gordon gordon? Let's take a look with Bian Xiao. 1. What kinds of Euryales are there?

The varieties of Euryale ferox are divided into South Euryale ferox and North Euryale ferox. The northern cockroach, also known as the sting cockroach, has purple flowers and is a wild species. Mainly produced in Hongze Lake and baoying lake, Jiangsu Province, with strong adaptability and wide distribution. Distributed in China, north and south of the Yangtze River, Southeast Asia, Japan, Korean Peninsula, India and Russia. South Polygonum cuspidatum, also known as Su Polygonum cuspidatum, is divided into white flowers and purple flowers, and its leaves are larger than those of North Polygonum cuspidatum.

Polygonum multiflorum Thunb is an early-maturing variety, while Polygonum multiflorum Thunb is a late-maturing variety. Polygonum multiflorum Thunb is mainly produced in Taihu Lake Basin of Jiangsu Province. North and South Euryales are full, even, full of powder, without crushing, drying and impurities. Euryale ferox is the best in North China. Weishan Lake is the largest freshwater lake in the north of China, with a unique natural environment, which is very suitable for the growth of Euryale ferox. Generally speaking, Euryale ferox produced in Suzhou is the best.

Second, how to identify Euryale ferox?

How to buy gorgon fruit? When you buy it, you should distinguish whether it is wet or dry.

1, identification method of wet Euryale ferox:

(1) Look at the shape: Gordon Euryale seeds should be round and even in size.

(2) Look at the color: You can judge the quality of Gordon Euryale by its appearance color. If the color is white and bright, the shape is round and intact, and there are fine powder particles, the texture is generally waxy and fresh. If the color is white, but it is dark, the texture of Euryale ferox is good. It should be noted that if the color of Gordon Euryale is white with yellow, it may be very old and the texture is khaki.

2. Identification method of dried Euryale ferox:

(1) Bite: Non-dried Euryales are easy to mildew, and whether it is dry or not can be determined by biting. Bite is crisp and crisp, and the slightly tough one contains water.

(2) Nose smell: If you smell sulfur, it may be processed after being eaten by insects. You shouldn't buy this kind of gorgon fruit.

Third, how to preserve Euryale ferox

1, preservation method of fresh Euryale ferox

Fresh Euryale ferox can only be stored for 3~4 hours at room temperature at most, because there is a lot of water in Euryale ferox after it is opened, and it will evaporate water at room temperature, resulting in discoloration and odor. Therefore, the best way is to put fresh Euryales into a sealed bag, add a proper amount of water, seal it, and put it in the refrigerator for freezing. It will be fresh when it thaws next time. Put it in the refrigerator without peeling, but it can't be kept for a long time. Seven days is no problem. If you want to keep it for a long time, you must peel it first and then put it in the freezer. It will be fine in half a year. Cooked food tastes no different from fresh food.

2, the preservation method of Gordon Euryale.

First of all, Gordon Euryale should be kept in a cool, dry and ventilated place. In addition, because Gordon Euryale is rich in starch, there is a risk of being eaten by insects during storage. You can add a few cloves of raw garlic to the dried Euryale ferox to prevent pests. Generally, put 8~ 10 petals of raw garlic into each kilogram of Euryale ferox, mix well with Euryale ferox, then put it into a jar and cover it tightly, so that it can keep Euryale ferox from being eaten by insects for one to two years, which is a better preservation method.

If you want to preserve Gordon Euryale, you should choose dried Gordon Euryale, which can be preserved for a long time. If we choose to keep fresh Euryale ferox, we can only keep it for a few days. For fresh Euryale ferox, we should eat it early, because it is unhealthy to leave it for a long time.