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Since essential oils have been known thousands of years, there are a lot of different methods available for collecting essential oils from the plants. While it is important to note that method of essential oil production is unique to every

Mechanical expression is used for extracting essential oils from the rinds of Citrus fruits such as lemons, bergamot, oranges and limes. Expression is generally preferred for Citrus oils since their components in aldehyde structure can be easily decomposed in heat

In addition to distillation and expression methods, there are various extraction methods to obtain essential oils. Although extraction methods are more complicated than distillation, it is preferred for plants that are too delicate for distillation. The product obtained by solvent extraction