On the reasons why ethyl acetate is used for extraction
In the way of extraction, ethyl acetate is selected, and there are three reasons.

First, ethyl acetate has unique solubility. Its solubility in water is limited, and it is easy to distinguish from water, which is the basis for extraction. The thing to be extracted, or hydrophilic, or ester-friendly, ethyl acetate can form two phases with water, so that the extract belongs to different properties and is easy to separate. And it has good solubility to many organic compounds, such as alkaloids, oils, fragrances, etc., which can be dissolved. Taking perfume extraction as an example, the perfume composition is complex and difficult to disperse in water, but when encountering ethyl acetate, it can be soluble, and pure flavors can be obtained after separation. This is the wonder of its solubility.

Second, ethyl acetate is stable in nature. Under normal extraction conditions, the temperature is not too high, but it cannot be pressed, and it does not easily react with the extract. Even if the extracted system contains acid and alkali, if there are no severe conditions, ethyl acetate can keep its nature. For example, when some plant ingredients are extracted, the system may be slightly acidic and slightly alkaline, and ethyl acetate is stable but not dissolved to ensure that the extracted ingredients do not lose their properties, do not produce new substances, and maintain the purity of extraction.

Third, ethyl acetate is easy to operate. Its boiling point is moderate, about 77 ° C. After extraction, to separate the solvent and extract, distillation can be used. Because the boiling point is not high, the distillation energy consumption is low, and the distillation is not easy to decompose the extract. Furthermore, its volatility is suitable, and during the extraction operation, it does not evaporate too quickly to cause losses, and can dissipate quickly during post-processing, without leaving too much in the extract, and does not damage the product quality.

In summary, ethyl acetate is a commonly used agent in the extraction process due to its solubility, stability and ease of operation.