Analysis:

hickory

Carya cathayensis, also known as "Little Walnut", grows in the natural environment with superior climate, fertile soil and lush vegetation. It is a pure wild fruit, which is a natural green food nurtured by the aura of mountains and has no public pollution. Among 17 kinds of Carya cathayensis in the world, several Carya cathayensis in Lin 'an have the highest nutritional content, large grains and thin shells, and the best taste, and it is also one of the most tasteful varieties among many dried fruits in China. Carya cathayensis is one of the "old three treasures" in Lin 'an. Carya cathayensis pulp (kernel) contains 7.8-9.6% protein, and its amino acid content is as high as 25%, among which 7 kinds of amino acids are essential for human body. Carya cathayensis pulp (kernel) contains 22 mineral elements, among which calcium, magnesium, phosphorus, zinc and iron, which play an important role in human body, are very rich, with high nutritional value, and have the effects of moistening lung and strengthening kidney, reducing blood lipid and preventing coronary heart disease. Natural Carya cathayensis (kernel) is processed by its unique technology and scientific formula, making it a crisp, delicious and memorable tourism and leisure product and a gift for relatives and friends.

Good walnut has thin and clean shell, plump flesh and white meat.

The shell of inferior walnut is thick, the flesh is dry and moth-eaten.

The shell of poor-quality Sophora japonica is hard, shriveled and fleshless, and the pulp is spicy or moth-eaten.

Dried fruit foods are prone to mildew due to their high moisture content and improper preservation. Consumers should see clearly whether the products have been mildewed when buying, and the mildewed products have deteriorated and are of no edible value. At the same time, it is necessary to observe whether the shell is damaged. If the shell is damaged, it will pollute the pulp inside and make it inedible. ?

When buying walnut kernels, you should observe the color of walnut meat. Usually, the color of fresh walnut meat is pale yellow or amber. If the color is darker, it means that the peach kernel is older. Consumers can also judge whether the product is fresh and edible by smelling it. If the product smells like oyster oil, it means that the product has been rancid and cannot be eaten.