Named for its appearance resembling antlers, it grows in the moss in the forest zone at an altitude of 3000 meters in Qinghai, with a wide distribution range, both in the north and south. It is one of the most primitive plants in existence, mainly distributed in Gansu, Liaoning, Shandong and Qingdao in China. The algae are yellow olive when fresh, black when dry, and swell after soaking in water.

During the growth of cornucopia, it is necessary to provide pollution-free seawater rich in various nutrients, or use tap water and sea salt for preparation, and change the aquaculture water every 7- 10 days to avoid yellow water turbidity and maintain the normal growth of cornucopia.

Moreover, the velvet antler should be planted in a place where it can get sunlight, so that plants can receive all-weather natural light and promote the photosynthesis of velvet antler. In addition, in the growth process of antlers, diluted liquid fertilizer should be provided for antlers to speed up the growth of plants and make them harvest as soon as possible.

Botanical history of antlers

Carrageenan, Herbivore by Liang Shi in Tang Dynasty. Li's "Eye of Materia Medica" contains a large number of antlers, three or four inches long, as big as a domain gland, and branches like antlers. If it is soaked for a long time, it will be ridiculous, and women will use it to comb.

Sargassum fusiforme has small skeleton, cartilaginous body, wide bifurcation angle and silique-shaped growth support. Sargassum carrageenan is yellow-green and dark brown after drying, and its length can reach 14~ 15cm.

Because of the growing area of velvet antler, the contents of copper, cadmium and lead are very low, and there is no accumulation of heavy metals in velvet antler. The minerals of pilose antler from different habitats are different, which may be related to the geographical environment in which it grows.

The above contents refer to Baidu Encyclopedia-carrageenan.