• Processing techniques are based on mechanical, physical and organic processes.
• Radiation technique and the use of GMOs, products derived from them and their by-products are prohibited.
• The materials used in the filtering process must not contain asbestos, nor substances not listed in the standards.
• Also concerning the extraction process, only solvents must be used such as water, ethanol, carbon dioxide, nitrogenous and carboxylic acids.

The following preservation and storing techniques are admitted:

• Ambient temperature
• Refrigeration
• Deep-freezing
• Freezing
• Lyophilization
• Controlled and modified atmosphere (CO2, O2, O3, N2)
• Moisture variation
• Cooking
• UV rays
• Pasteurization
• Heat sterilization
• Heat and vacuum concentration
• Cryoconcentration
• Membrane concentration
• Vacuum creation
• Salt
• Oils
• Sugars
• Lactic acid
• Sulphur dioxide