Su terrier alias
Perilla frutescens has been cultivated in China for more than 2000 years. Li Shizhen's Compendium of Materia Medica: Su is a kind of osmanthus fragrans, which has a pungent taste, so Er Ya is called osmanthus fragrans. ? There are many records about the edible and medicinal value of perilla in ancient books.
Perilla frutescens can be used as medicine and medicine. The medicinal parts are mainly stems, leaves and seeds, and the leaves are edible. Cooking with meat can increase the flavor of the latter. The oil squeezed from seeds, called perilla oil, is edible and has industrial antiseptic effect.
There are many kinds of perilla. In Chinese ancient books, Perilla frutescens with green leaves and Perilla frutescens with two purple leaves or blue face and purple back are called. However, according to modern taxonomists, they all belong to the same plant, and their variation only begins with cultivation.