The market price of Yuanzhi

Polygala, also known as fine grass, chicken legs, corns, grass roots, etc., is the dry root of Polygala tenuifolia or Polygala angustifolia. It is a common bulk Chinese herbal medicine with bitter taste, pungent taste, warm nature, heart meridian, kidney meridian and lung meridian. It has the effect of calming the mind and wisdom, expelling phlegm and detumescence. Let's take a look at the market price of Polygala.

The market price of Yuanzhi

The market price of Yuanzhi tube is about 55 yuan / kg, the price of Yuanzhi meat is about 50-60 yuan / kg, the price of Quan Yuanzhi is 30-35 yuan / kg, and the price of first-class Yuanzhi tube is 130-140 yuan / kg.

The grade of Radix Polygalae

1. Yuanzhi meat: dry goods, mostly broken fleshy root skin, the surface is brown or grayish yellow, all have horizontal wrinkles, the thickness of the skin varies from thick to thin. Crisp, easy to break, yellow and white cross section. Special gas, bitter taste slightly pungent, no Reed stem, wood heart, fibrous root, impurities, moth, mildew.

2. Yuanzhi cylinder

① first class: dry goods, barrel-shaped, hollow, light brown or grayish yellow surface, all with deep transverse wrinkles, thick skin, crisp, easy to break, yellow-white section, special gas, bitter taste, 7cm long, middle diameter more than 0.5cm, no wood core, impurities, moth, mildew.

② second class: distinguished from the first class with a length of 5cm and a diameter of more than 0.3cm in the middle.

Identification method of Polygala tenuifolia

1. Character identification: Polygala is cylindrical, slightly curved, 3-15 cm long, 3-8 mm in diameter, grayish yellow to grayish brown on the surface, with dense and sunken transverse wrinkles, longitudinal wrinkles and cracks, the transverse wrinkles of the old root are denser and more sunken, slightly nodular, hard and brittle, easy to break, the cross-section skin is brownish yellow, the wood is yellowish white, the skin is easy to peel off with the wood, slightly, bitter, slightly pungent, chewing has a sting in the throat.

2. Microscopic identification: in the cross section of Polygala tenuifolia, there were more than 10 rows of cork cells, more than 20 rows of parenchyma cells in the cortex, tangential fissures, broad phloem, radial fissures, ringed cambium, well-developed xylem, all lignified, and 3 rows of cells in ray width. Most parenchyma cells contain fatty oil droplets and some contain calcium oxalate cluster crystals and square crystals.

3. Physical and chemical identification: take about 0.5 grams of Polygala powder, plug it in a test tube, add 10 milliliters of hot water, keep it warm for 10 minutes, shake forcefully for 1 minute, produce persistent foam, and do not disappear within 10 minutes.