The apricot kernel with shell, need to be heated above 240 degrees to fry open mouth, to prevent the temperature is too low, will not open mouth, the temperature is too high, know that almonds will be fried paste bitter.

Bitter almonds should not be taken internally in excess to avoid poisoning.

Bitter almonds are not suitable for direct consumption, because they contain bitter amygdalin, which can be decomposed in the body to produce the highly toxic substance hydrocyanic acid. Unprocessed bitter almond toxicity is high, adults eat 40 ~ Road 60, children eat 10 ~ 20, there is a risk of poisoning.

Expanded:

Almonds are divided into south and north, south almonds are sweet, also called sweet almonds, the main places of origin for Hebei, Beijing, Shandong, etc.; north almonds are bitter, also known as bitter almonds, planted in the hilly mountainous areas. Toxic is north almonds, really can not eat more, and almond dew is south almonds.

North almonds have a substance called bitter amygdalin, commonly known as vitamin B17, its structure is very special, the molecular structure contains cyanogen, belonging to the alpha-hydroxy nitrile, this substance itself is not toxic, just into the human body after the body's digestive enzymes to decompose.

To produce toxic hydrocyanic acid, if you eat too many bitter almonds, the body of bitter amygdalin decomposition of hydrocyanic acid accumulated to a certain extent, people will be poisoned to death. Therefore, it is not that almonds are poisonous, but that they can be consumed to break down the toxic substance hydrocyanic acid in the body.

People's Daily Online - Is it true that eating too many almonds can kill you?

Baidu Encyclopedia-Almonds