Result of pine nuts cleaning
from impurities with color sorter

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Pine nuts are the edible seeds of pines. According to the Food and Agriculture Organization, only 29 species provide edible nuts, while 20 are traded locally or internationally owing to their seed size being large enough to be worth harvesting; in other pines, the seeds are also edible, but are too small to be of notable value as a human food. Pine nuts are frequently added to meat, fish, salads and vegetable dishes or baked into bread. They are used to produce snacks, oil and flour.

Prohibited for realization kernels are:

• Unshelled pine nuts infected by insects: Kernels defected by insect infection and/or other farm pests.
• Unshelled pine nuts defected by rodents: kernels defected by rodents.
• Spoiled unshelled pine nuts: spoiled, rotten, crashed, infected and defected by insects and rodents, red and black colored.
• Crashed unshelled pine nuts: Kernels that do not form as a single whole, but still more than a half remains. Seed lobes: Broken pieces (less than a half of the kernel).
• Shriveled kernels: undeveloped and shapeless.
• Nuts kernels of other kinds and origin: Kernels which doffer from pine nuts by shape, especially top shape; size, color and other characteristics.
• Other impurities: dust, sand, stones, mud, skin and husk parts, pieces of shell etc.