1, different sources
North almond, also called bitter almond, is the dried and mature seed of Prunus armeniaca, Prunus sibirica, Prunus armeniaca or Prunus armeniaca. South almond, also known as sweet almond, is a sweet dry mature seed of some cultivated species of Prunus armeniaca or Prunus armeniaca in Rosaceae.
2. Different characters
North almond is flat and heart-shaped, with yellow-brown to dark brown surface, sharp at one end and blunt, plump and asymmetrical at the other end. The seed coat is thin, and the surface is milky white or yellowish white after peeling. South almond is flat and heart-shaped, with lighter skin color than North almond, sharp top, round base, symmetrical left and right, and bitter seed coat. The section is white.
3. Different smells
North almond has a special aroma and bitter taste; South almonds are slightly fragrant and slightly sweet.
Almond selection method
1, depending on the color, the skin color is light, it is the same year or relatively fresh, the color is dark or dark, brown, generally it is long and old. Try not to buy.
2. Look at the shape and size of almonds, the granules are full, and the "head" is big, which is the same year or relatively fresh. On the contrary, the shape is dry, tight, and the granules are small, which is generally a long time and old.
3, smell the smell, or taste the taste, if there is a "hala" taste, or the taste is not fragrant, not fresh, usually for a long time, try not to buy.