1. Cut the green husk gently with a knife, not too deep, and then break it in one direction, so that under the shearing force of the blade, the green husk will naturally open. At this time, you will hear a crisp "pa", and the green husk will naturally crack.

2. Gently brush off the excess peel along the grain direction with an iron brush. Don't push too hard.

Walnut, also known as walnut and peach, belongs to Juglandaceae. Together with almonds, cashews and hazelnuts, it is known as the world-famous "four dried fruits". Walnut kernel is rich in nutrition, with more fat and carbohydrate per 100g protein 15 ~ 20g. It also contains calcium, phosphorus, iron and other trace elements and minerals, as well as carotene, riboflavin and other vitamins. It's good for the human body. It is one of the nut foods deeply loved by ordinary people.

Walnut is rich in nutritional value, and has the reputation of "Long live the son", "longevity fruit" and "treasure of health preservation". 86% of the fat in walnuts is unsaturated fatty acid. Walnut is rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B 1, and also contains fiber, phosphorus, nicotinic acid, iron, vitamin B2 and pantothenic acid. Every 50g walnut contains 3.6% water, 7.2g protein, 3 1g fat and 9.2g carbohydrate.

Extended data:

Edible efficacy

1 nourishes brain cells and enhances brain function.

2. Prevent arteriosclerosis and lower cholesterol; It also has the functions of relieving pain, increasing white blood cells and protecting the liver for cancer patients.

3. Moisturize and blacken hair: it can make skin moist, smooth and elastic.

It can relieve fatigue and stress.

References:

Baidu encyclopedia-walnut