Introduction of Li Zhi He:Lychee Seed or Semen Litchi.

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Herbs regulating the flow of Qi.

 TCM Herbs Icon10 Introduction: Herbs regulating the flow of Qi: also known as Qi-regulating herbs, an agent or substance that regulates the activity of Qi to treat Qi stagnation or adverse Qi flow, also known as Qi-moving herbs.

 
Semen Litchi(Lychee Seed).

Semen Litchi Pin Yin Name: Lì Zhī Hé.
 English Name: Lychee Seed.
 Latin Name: Semen Litchi.
 Property and flavor: warm, sweet, slight bitter.

 Brief introduction: The herb Semen Litchi is the dried ripe seed of Litchi chinensis Sonn.(family Sapindaceae), used to move Qi, dissipate nodulation, disperse cold and alleviate pain for treating hernial pain, dysmenorrhea, lower abdominal distension with pain, and swelling and pain of the testis. The herb is commonly known as Semen Litchi, Lychee Seed, Lì Zhī Hé.

 Botanical source: Official herbal classics and other famous herbal classics defined the herb Semen Litchi(Lychee Seed) as the dried ripe seed of the species (1). Litchi chinensis Sonn. It is a plant of the Litchi Sonn. Genus, the Sapindaceae family of the Sapindales order. This commonly defined species is introduced as:

 Litchi chinensis Sonn. (1).Litchi chinensis Sonn.:
 Botanical description: The tree is commonly known as Lì Zhī. Evergreen trees, it usually grows not more than 10 meters tall, sometimes up to 15 meters or higher, the bark is grayish-black; Branchlets are terete, maroon, densely white lenticels.

 Leaves joined to stalk 10~25 cm long or crossed; 2 or 3 pairs leaflets, less than 4 pairs, thinly leathery or leathery, lanceolate or ovate-lanceolate, sometimes oblong-lanceolate, 6~15 cm long, 2~4 cm wide, apex abruptly acute or caudate shortly acuminate, entire, ventral dark green, glossy, back flour green, both surfaces are glabrous; Lateral veins are often slender, not evident on the ventral surface, evident or slightly convex on abaxially; Petiole 7~8 mm long.

 Litchi chinensis Sonn. Inflorescences are terminal, broad, much-branched; Pedicels are slender, 2~4 mm long, sometimes coarsely short; Calyx by short golden villi; 6~7 stamens, sometimes 8, filaments ca. 4 mm; Ovary densely covered with nodules and bristles.

 Fruit is ovoid to subglobose, 2~3.5 cm long, usually dark red to bright red when ripe; The seeds are all covered with fleshy aril. It is flowering in spring, fruiting in summer.

 Litchi chinensis Sonn. Ecological environment: The tree mainly distributes within the range of 18~29 degrees north latitude in China. It is mostly cultivated in the Zhujiang river area, and also cultivated in southwest area, and Taiwan of China. It is also cultivated in Southeast Asia and introduced into America and Oceania.

 Litchi chinensis Sonn. Characters of herbs: Seeds are oblong or oblong-ovate, slightly oblate, 1.5-2.5 cm long. 0.5~1.5 cm in diameter. The surface is brown to red-brown, slightly burnish, with irregular pits and fine wrinkles; One end is truncated, with a nearly round yellowish-brown seed umbilicus, 5~7 mm in diameter, the other end is rounded and obtuse. The seed coat is hard, thinly leathery, and brittle when cut; There are 2 thick cotyledons, orange or tan. Slight smell, taste light sweet, bitter, astringent. The herb in big size and full-grain is better.

 Pharmacological actions: The dry extract or water and alcohol extract of the herb Semen Litchi, can lower blood glucose in experimental diabetic animals, similar to the effect of metguanidine hypoglycemic agents. It can regulate internal and external lipid metabolism disorder and has an antioxidant effect, as well as protect the liver and fight against hepatitis B virus(Anti-HBV).

 Medicinal efficacy: Promoting the circulation of Qi and eliminating stagnation, warm the middle energizer, regulate Qi, dispelling cold and relieve pain, dissipate stagnation. It is indicated for cold hernia and abdominal pain, hernia pain, epigastric pain, testicular swelling pain, women's pricking caused by the stagnation of QI and blood, dysmenorrhea(abdominal pain after menstruation), postpartum abdominal pain, etc.

 Administration of Semen Litchi(Lì Zhī Hé): 
 
Reference: Administration Guide of Semen Litchi(Lì Zhī Hé)
TCM Books: Internally:4.5~9 grams(CP), Internally:water decoction,1.5~3 qian(about 4.5~9 grams), or prepare to pill, powder(DCTM), Internally:water decoction,6~10 grams, grinded into fine powder,1.5~3 grams, or prepared to pill, powder. Externally:proper amount, grinded into fine powder, apply stick(CHMM).

 
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References:
  • 1.Introduction of Li Zhi He:Lychee Seed or Semen Litchi.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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