Topic 1 "Extraction of Plant Aromatic Oil" ppt-Elective Courseware

Elective Topics of the PEP 1 "Extraction of Plant Aromatic Oils" ppt 1. Understand the basic principles of extracting plant aromatic oils; 2. Study the method of extracting specific ingredients from biological materials; 3. Initially learn the extraction of certain plant aromatic oils technology. As early as in ancient times, humans have discovered that plants or flowers with aromatic odors can refresh people's minds. After these plants are made into dry products, they can be used as medicines and spices. However, plant spices are volatile and not easy to store. The development of the spice trade in Europe in the Middle Ages led to the birth of plant aromatic oil extraction technology. In the 16th century, the technology for preparing plant aromatic oils was quite mature. In the 19th century, organic chemistry developed rapidly. People analyzed the chemical composition of plant aromatic oil to find the root of aroma, and then synthesized artificial fragrance. However, people still have a soft spot for the unique quality of natural plant aromatic oils. Today, plant aromatic oils are widely used in light industry, cosmetics, beverages and food manufacturing. In this topic, we will understand the principle of extracting plant aromatic oil, design a simple experimental device, and extract aromatic oil from orange peel or rose flower.

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