Duckweed medicinal material identification
Herbal identification Character identification The fronds are ovoid, oval or ovate-elliptic and 3-6 mm in diameter. A single scattered or 2-5 piece set, the upper surface of light green to gray-green, the lower surface of this green to purple-brown, neat edge or micro-volume, a small depression on both sides of the upper surface, there are several fibrous roots on the lower surface. Lightweight and brittle. Gas slightly, tasteless. It is better to use green and purple. Microscopic identification The surface view of the fronds: The circumflex wall of the epidermis cells is wavy, and the stomata is indefinite: the peripheral wall of the lower epidermal cells is nearly straight, and there are no pores. The parenchyma cells on the inner side of the epidermis are elliptic to round, with intercellular spaces, some containing calcium oxalate clusters, with a diameter of 13-20 μm, some containing needles, a needle-shaped crystals with a length of 17-30 m, and large cells. . The inner side of the lower epidermis is an aerenchyma, which is composed of parenchyma cells and has a large population gap. We are a professional manufacturers of Herbal Extracts from China; with advanced R & D and manufacturing in Dandelion Root Extract, Natural Ingredients Soybean Extract, Tomato Extract. With high-quality products of Herbs Powder, we can be a trust suppliers / factory. As a wholesale of Herbs Extract powder, we have the perfect after-sales service and technical support. Look forward to your cooperation! Dandelion Root Extract,Natural Ingredients,Soybean Extract,Tomato Extract Xi'an Quanao Biotech Co., Ltd. , https://www.quanaobiotech.com