Scientific name: Rana Cnensinensis
English name: Siberian frog
Chinese forest frogs (Rana temporaria Chensinensis David), is China's economically important frogs, commonly known as the " Hashish toad" or "Hash toad", yellow toad or oil toad, also known as "field chicken" in medicine. Toad" or "Hash toad", "yellow toad" or "oil toad", also known as "field chicken" in the medical field. In zoological classification, it belongs to Amphibia, Anuraceae, Frog family, Frog genus.
Toad is a set of medicinal, dietary supplement, beauty of three compatible economic animals, known as the deep forest treasures, tonic fitness products. It has a long history of medicinal use, with the effect of "tonifying the kidney and benefiting the essence, nourishing yin and moistening the lungs", and is often applied to physical weakness, post-disease disorders, mental deficiency, palpitations and insomnia, night sweating, consumptive coughing and coughing up blood. Its pharmacological effects are manifested in: anti-fatigue, anti-aging, lowering blood lipids, improve immunity, enhance memory, improve sexual function, promote the body to increase height. It has a strong tonic effect on all physical weakness, post-disease disorders and postpartum tonic. In addition to medicinal use, toad oil is also widely used in health care, such as "Tianji Oil Oral Liquid", "Xueha Oral Liquid", "Ice Ha Wang Advanced Drink" and other products. In recent years, the research on the cosmetic ingredients of forest frog products has been progressing rapidly. The moisturizing factor extracted from the skin of forest frogs has been added to cosmetics with good moisturizing effect. The low molecular active substances extracted from the eggs of forest frogs have a good effect on skin care.
Chinese forest frogs are widely distributed in China's Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Qinghai, Henan, Shandong, Liaoning, Jilin, Heilongjiang, Tibet, Sichuan, Jiangsu and other provinces, and abroad in North Korea and China's Changbai Mountain neighboring areas and Russia's Ussuri border area.
The Chinese forest frog has a well-proportioned body, black-brown color in hibernation, a few body color is earthy yellow with black spots, its back has obvious black markings, and its limbs have ring-shaped black stripes. Female frogs have a yellow abdomen with clouds of reddish or light gray spots. The male frog has a white abdomen with black spots. In summer, the frogs are light gray or yellowish, with a white abdomen. The skin is covered with warts, which increase in size with age. The male frogs have paired subpharyngeal vocal sacs, and their calls are deep, like the cries of young babies.
The Chinese forest frog lives in forests, but it also lives in grassy areas near water in mountainous, hilly and plain areas. They come out at night to feed on insects and hide in the grass during the day. The hibernation period is from October to March. The Chinese Forest Frog is a good swimmer, jumper and chirper. The Chinese forest frog breeds from April to June every year, laying 800-1500 eggs on the grass near rivers. After 1-2 weeks of natural incubation, the tadpoles metamorphose into juvenile frogs in late June and become sexually mature at the age of 2-3 years.
The eggs of female Chinese forest frogs can be made into the valuable "field chicken oil", which is very expensive and in short supply, so people are destructively catching them; in addition, due to the rapid increase in population, the forest area is shrinking, and the habitat of the forest frogs has been seriously damaged. Due to the above reasons, Chinese forest frogs are on the verge of extinction. It has been classified by the Jilin Provincial Government as a Class III protected animal. It is strictly prohibited to catch them indiscriminately and vigorously develop artificial breeding.
Lin frog is one of the most important medicinal animals in China. Especially the oil of forest frog enjoys a high reputation in the international medicinal material market, and the products are in short supply, and the price is rising year after year.