How much is the price of turpentine in traditional Chinese medicine per jin? What is the main place of origin? When is the best time to harvest?

Turpentine, the name of traditional Chinese medicine. It is the oleoresin in the wood of Pinus massoniana, Pinus tabulaeformis or the same genus. So how much is the turpentine per jin? What is the main place of origin?

According to Alibaba's latest price, the price of traditional Chinese medicine turpentine is now about 10-20 yuan per jin.

Main producing area of pine resin

Masson pine is distributed in Shaanxi, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Henan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places. Pinus tabulaeformis is distributed in Northeast, North China, Northwest and Henan, Shandong, Jiangsu and other places. Pinus koraiensis is distributed in Heilongjiang, Jilin, Liaoning, Shandong and Jiangsu. There is cultivation around Nanjing. Black pine is distributed in Liaoning, Shandong, Jiangsu and other places; it is cultivated in Wuhan, Nanjing, Shanghai, Hangzhou and other places. It has the effect of dispelling wind and killing insects. Commonly used for scabies and ringworm.

When is the best time to harvest turpentine?

"outline pick-up": "its oil extraction method: cut two or three inches of old pine wood, split it as thick as the heart of a lamp, tie the handle with twine, such as a large mouth of a teacup, then use a basin of water, half a basin of water, one bowl sitting in a basin, cover the bowl with a mat, dig a hole such as money, and then put it vertically in the middle of the mat hole to light it with fire. When there is little time, cover the furnace ash up and down tightly, do not make smoke go away, such as smoke walking. There is no oil, wait for temperature to raise for an hour or two, the oil is used up in the bowl, go to the ash mat, take out and listen to it. "

The resin collection includes ascending (V-shaped), descending (Y-shaped) resin extraction and chemical treatment. The descending resin extraction method is mainly adopted in our country. Select a pine tree with a diameter of 20-50cm and cut it at a trunk 2m high from the ground. Scrape off the rough skin before the opening, but do not damage the xylem. The length of the scraping surface is 50-60cm and the width is 25-40cm.It is 35-50cm long and 1-1.3cm wide in the center of the scraping surface, and goes deep into the middle groove of xylem 1-1.2cm. A fat receiver is installed at the base of the middle groove, and then another pair of side grooves are cut from the middle groove to collect oleoresin constantly. It is suitable to harvest at 30-35 ℃, that is, in the south of the Yangtze River from May to October and from June to September in North China and Northeast China.

Growing environment

1. Pinus massoniana: born in mountains below 1500 above sea level. Distributed in Shaanxi, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Henan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places.

2. Pinus tabulaeformis: born in the mountains at an altitude of 100-2600. Distributed in Northeast, North China, Northwest and Henan, Shandong, Jiangsu and other places.

3. Red pine: born in temperate coastal mountains and plains. Distributed in Heilongjiang, Jilin, Liaoning, Shandong, Jiangsu. There is cultivation around Nanjing.

4. Black pine: born in the eastern coastal mountains. It is distributed in Liaoning, Shandong, Jiangsu and other places; it is cultivated in Wuhan, Nanjing, Shanghai, Hangzhou and other places.

Pharmacological action

1. Dissolution of stone.

2. Detoxification.

3. Airway relaxation.