Why do ripe pine nuts have a hole in them?

Ripe pine nuts have a straight crack in the shell of the pine nut, but not all of them, and there is a hole in the top of the pine nut, which should be the eye of the insect gram.

If the sun cracks, the pine nuts will be cracked by the sun, so there is a mouth on it.

Because pine nuts begin to expand after high temperatures, it is convenient for people to use one on top.

In order to allow you to peel the pine nuts better.

Pine nuts, also known as pine nuts, fruit pine nuts, and sea pine nuts, are the seeds of pine plants such as Korean pine, and are one of the common nuts. Rich in fats, proteins, carbohydrates, etc. It is an important traditional Chinese medicine, long-term food fitness heart, moisturizing**, prolonging life, and also has high therapeutic value.

In China, there are Brazilian pine nuts, Northeast pine nuts and falling water pine nuts, among which falling water pine nuts are mainly pine nuts knotted by pine trees in the mountains of Yunnan-Guizhou-Sichuan. Pine nuts are good, but they are not for everyone. Patients with spleen deficiency, diarrhea, and phlegm are advised to keep their distance from pine nuts.

Because pine nuts are oily and belong to high-calorie foods (every 100 grams of pine nuts can convert nearly 700 kilocalories in the body), therefore, eating too much will increase body fat, and the amount of pine nuts consumed per day is 20-30 grams.

Pine nuts that have been stored for a long time will have an "oily hala" flavor and should not be eaten. Loose pine nuts are best kept in an airtight container to prevent oxidation and deterioration of the grease.

Method 1 for frying pine nuts:

Ingredients: 1 kg of pine nuts, 20 grams of sugar, 500 grams of yellow sand, a wok.

Steps:1Sugarify half a cup (80g glass) of syrup and set aside.

2.Put the coarse yellow sand into the pot and fry dry, fry hot, then pour the sugar water into it and stir well, wait for the sugar smoke to come out, that is, put the pine nuts in, and keep stir-frying (don't be too anxious).

3.After stir-frying for five or six minutes, take a few pine nuts and smash them, if the kernels are already yellow, they are ripe, sift the sand, and wait for the pine nuts to dry before eating.

Fried pine nuts method 2:

Ingredients: 1 kg of pine nuts, 1 steamer, 1 wok.

Steps:1Place the pine nuts in a basin, fill them with water, and let the pine nuts soak for an hour. The aim is to make the pine nut shell soft and easy to break.

2.Remove the pine nuts, put them in the steamer compartment, and steam them for 30 minutes.

3.After 30 minutes, remove the pine nuts, put them in a ventilated place to dry, and when the pine nut shells are cracked, you can fry them on low heat.

4.Then turn on low heat, put the air-dried pine nuts into the wok, do not need to put anything, during which you must keep stirring the pine nuts in the pot, until most of the pine nuts are open, you can eat it out of the pot. (Using the principle of thermal expansion and cold contraction).

Pine nut opening method tips:

1. Soak the pine nuts with water for 1 hour, soak the shell softly, then drain the water and put it in the steamer for half an hour, then take it out and wait for it to dry and cool naturally.

2. Friends Sui accompany the clean yellow sand to fry in the pot, then use 2 tablespoons of white sugar mixed with 60 grams of warm boiled water to saccharify evenly, pour it into the yellow sand after it is evenly dissolved, and change the heat to low after the taste of caramel comes out, pour the pine nuts into the pot and stir-fry with the yellow sand, about 5 minutes or so, you can take out 1-3 grains to see what color the pine nuts are.

If it is yellow, it means that it has been cooked, if not, then fry for about 2 minutes and then take 1-3 grains to see the color of the kernels, after frying, it will be immediately out of the pot, and the yellow sand will be sieved clean after the pot is sieved, so that most of the pine nuts can be opened, and they will be eaten after cooling.

3. First put the pine nuts in the microwave oven for 5 minutes, then take them out and let them cool, then put them in the microwave again and continue to bake them for 5 minutes, and when the time comes, take them out and pour them into good ice water or cold water, which is also the use of the principle of thermal expansion and cold contraction to make the pine nuts open, and drain the water immediately after seeing the pine nuts open, don't always soak in the water, and then put them back in the microwave oven and bake them on medium heat for 3 minutes, and just dry the water.

Tips for identifying the opening method of pine nuts:

1. The color of the pine nuts with physical openings is black, the surface is rough, and the edge of the pine nuts is uneven, the shelf life of this pine nut will be longer, the taste will be more fragrant, and the taste will be better.

2. The color of the fried pine nuts is yellowish, the surface is relatively oily, the feel of the hand is greasy and slippery, the opening is more uniform, and the opening is long, the shelf life of this kind of pine nuts is relatively short, but the taste is better.

3. The color of the pine nuts at the opening of the drug is yellow, the particles are flat and fine, and the opening is uniform, the shelf life of this pine nut is very short, the taste is poor, and some have astringency and peculiar smell.

Soak the pine nuts in water for a while in advance to soften them. Then take out the soaked pine nuts, put them directly in the steamer and steam them for 20 minutes, turn off the heat, take out the pine nuts, and put them in a ventilated place to dry. Put an appropriate amount of yellow sand in the wok, then put the pine nuts in, stir-fry quickly, fry for about ten minutes, and you can see that the shells of the pine nuts are all open.

Pine nuts, also known as pine nuts, sea pine nuts, etc. Sweet and warm. Now it is mainly distributed in the forest area of Changbai Mountain and Xiaoxing'an Mountains in the northeast of China.

The fruit of Korean pine is called pine seed (pine nut), and because it is produced in the northeast, it is also called "northeastern pine nut". The Northeast pine nut meat is large and full, fresh and sweet, and the food and therapeutic value are very high, so it is also known as"Longevity fruit"、"Longevity fruit"And with its high-quality nutritional value, it is deeply loved by all kinds of consumer groups. In addition to being edible, it can be used as candy and pastry accessories, and it is also an important raw material for all kinds of dry paint and leather industry.

Open pine nut is a very high nutritional value of health food, usually people can absorb rich trace elements calcium and phosphorus after applying it can also absorb some potassium, these substances are important to maintain human health, can prevent the human body due to the lack of a trace element and disease.

Open pine nuts are rich in phospholipids after a variety of amino acids, these substances can nourish neurons can also improve the activity of brain cells, and can enhance human brain function, people eat it after memory will be significantly improved, thinking response ability will also be much more active.

Spread the pine nuts flat on a baking sheet for 150 without preheating, 17 minutes after removing from the oven. Immediately after removing from the oven, stir with cold water and drain the water to open the pine nuts. <

1. Spread the pine nuts on a baking sheet, 150 without preheating, and remove from the oven after 17 minutes.

2. Immediately after leaving the oven, the pine nuts can be opened by cooling the water and draining the water.

Pretreatment of a certain concentration of alkali solution (sodium hydroxide) can quickly dissolve the hemicellulose layer (outer cell) at a certain temperature, while lignified middle cells (referred to as the outer shell) are basically not affected by alkali under this condition. After removing the outer layer of cells, the germination pore is directly exposed, and the shell can be cracked from the germination pore along the direction of the umbilicus to become an open pine nut. Along the cracks, the shell can be easily split in half, and the pine nuts are completely exposed.

The germination hole of the pine nuts after stir-frying has been exposed, and the seed umbilicus will crack with a gentle pinch along the direction of the navel with your hand. During the frying process, the shell loses water and shrinks, and the umbilicus cracks into open pine nuts.