What does benzyl mean?

Benzyl is rehmannia glutinosa, an herb. The relevant information is as follows:

1. Rehmannia glutinosa is a perennial herb of Rehmannia of Scrophulariaceae, with fleshy roots and yellow when fresh; The stem is purplish red, the leaves are oval to oblong, the top is green, the bottom is purplish red or purplish red, and the edge has irregular round teeth or obtuse serrations and even teeth. Inflorescence ascending or bending, slightly arranged in a raceme at the top of the stem, or all solitary leaf axils, flowering from April to July; Capsule ovoid to long ovoid moon.

2. Rehmannia glutinosa has been recorded in mengzhou city for more than 1000 years. In Southeast Asian countries, Rehmannia glutinosa is given to each other as a rare gift. Japan, Britain and other countries call the "Four Huai Medicines" Chinese traditional medicine. It is cultivated all over China and abroad, mainly in Liaoning, Hebei, Jiangsu and other provinces and regions. It was born in sandy loam, barren slopes, foothills, walls and roadsides at an altitude of 50- 1 100 meters.

3. Rehmannia glutinosa can also be divided into fresh Rehmannia glutinosa, dried Rehmannia glutinosa and Rehmannia glutinosa. Fresh rehmannia glutinosa is mainly used for clearing away heat and promoting fluid production, cooling blood and stopping bleeding; Rehmannia glutinosa is mainly used for clearing heat and cooling blood, nourishing yin and promoting fluid production. In addition, Rehmannia glutinosa can also be used as a natural flower arrangement.

Information about herbs is as follows:

1. Herbs are made from plant extracts, and their therapeutic value is mainly used. Herbal medicine has a history of 1000 years. Because most plants contain chemical elements and have physical therapy such as treatment, herbal medicine is the oldest health care method and played an important role in ancient times.

2. Herbal medicine is a unique medicine used by TCM to prevent and treat diseases, and it is also an important symbol that distinguishes TCM from other medicines. China people have been exploring Chinese herbal medicines for thousands of years.

3. According to legend, Shennong tasted a hundred herbs and was the first to prescribe medicine. Shennong was honored as the king of medicine. Traditional Chinese medicine is mainly composed of plant medicines (roots, stems, leaves and fruits) and mineral medicines. Because plant medicine accounts for most of Chinese medicine, Chinese medicine is also called Chinese herbal medicine. There are about 5,000 kinds of traditional Chinese medicines used in various places, and there are countless prescriptions composed of various medicinal materials.