Schizonepeta tenuifolia

Botanical Name : Schizonepeta tenuifolia
Family: Lamiaceae
Genus: Schizonepeta
Kingdom:     Plantae
Order: Lamiales

Common Names:Schizonepeta or Japanese Catnip.
Its Chinese name is Jing Jie , ( pronounced as  pinyin).
Other Names: Pharmaceutical name: Herba seu Flos Schizonepetae Tenuifoliae Japanese: keigai, Korean: hyonggae

Habitat :Schizonepeta tenuifolia is cultivated chiefly in the provinces of Jiangsu, Zhejiang and Jiangxi, China.

Description:
Herbs, sometimes subshrubs or shrubs , annual or perennial , usually aromatic . Stems and branches usually 4-angled. Leaves opposite, rarely whorled or alternate, simple to pinnately dissected or compound , without stipules. Inflorescences generally compound, sometimes flowers solitary and axillary ; verticillasters 2- to many flowered, subtended by leaves or bracts. Flowers bisexual , zygomorphic, rarely subactinomorphic, bracteolate or not. Calyx persistent , 5-toothed, 2-lipped; upper lip 3-toothed or entire (deciduous in Scutellaria) ; lower lip 2- or 4-toothed; tube sometimes hairy annulate inside. Corolla limb usually 2-lipped; upper lip 2-lobed and lower 3-lobed, rarely upper lip entire and lower 4-lobed, also rarely limb (4- or) 5-lobed; tube hairy annulate inside. Stamens epipetalous , 4 or 2, free , rarely filaments connate , sometimes one staminodial; anther 1- or 2-celled, usually dehiscing longitudinally; disc persistent. Ovary superior, 2-celled and each cell 2-ovuled and style subterminal , or ovary 4-parted and each lobe 1-ovuled and style gynobasic (from bases of ovary lobes) with 2-cleft apex. Fruit usually 4 dry nutlets . Seeds with or without endosperm.

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Approximately 3500 species in 220 genera, distributed worldwide, but mostly in the Mediterranean region and SW Asia. China has 807 species in 96 genera

Medicinal uses:

Its uses include:

*Used alone as a carminative, diaphoretic, and antipyretic. Clears pathogenic Heat and Wind, fever, and treats throat complaints. Induces sweating.

*For affection by exopathogenic wind-cold shown as aversion to cold, fever, headache and anhidrosis, it is often used with ledebouriella root and notopterygium root, as in Anti-phlogistic Powder of Schizonepeta and Ledebouriella (Jing Fang Baidu San).

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*For exterior syndrome due to pathogenic wind-heat with symptoms and signs of fever, headache, bloodshot eyes, and sore throat, often in combination with Honeysuckle flower, Forsythia fruit, Peppermint, Platycodon Root and other herbs, as in Powder of Lonicera and Forsythia (Yin Qiao San).

*For German measles, pruritus, and measles without adequate eruption, it is often used with peppermint, cicada slough, arctium fruit, etc. For various suppurative infections on the body surface at their initial stages accompanied with exterior syndrome, it is often used together with ledebouriella root, Honeysuckle flower,  Forsythia fruit and other herbs.

*For hematemesis, epistaxis, hemafecia, metrorrhagia and metrostaxis, carbonized schizonepeta is used in combination with other hemostatics.

Schizonepeta tenuifolia extracts exhibit immunomodulation of the inflammatory response by regulating cytokine release, specifically the release of Th1 and Th2 cytokines from T cells as well as the unprimed CD4 T cells from differentiating into Th1 and Th2 cells.[

In the Chinese tradition, jing jie is valued as an aromatic and warming herb.  It is taken to alleviate skin conditions such as boils and itchiness.  It also induces sweating and is used to treat fever and chills and as a remedy for measles.  It is often combined with bo he.  Chinese studies have confirmed jing jie’s ability to increase blood flow in the vessels just beneath the skin.  Jing Jie is valued in Chinese medicine as an aromatic and warming herb. It is taken to alleviate skin conditions such as boils and itchiness. It is often combined with Mentha haplocalyx. Used in Chinese medicine in the treatment of hemorrhages, especially post-natal bleeding and excessive menstruation, colds, measles and nettle rash. Relieves wind cold, antispasmodic. Can be used for the onset of the common cold and influenza when they are accompanied by a headache and sore throat. Also used for hastening the ripening and termination of eruptive skin diseases, such as measles and abscesses, as well as to alleviate itching. Also useful for blood in stools or uterine bleeding.  In vitro it inhibits the growth of Mycobacterium tuberculosis.
Modern Uses:
During the modern times, it has been found that the Schizonepeta tenuifolia herb contains carminative, antipyretic and diaphoretic properties. In traditional Chinese medicine, this herb is classified as able to clear heat and wind effectively. It treats fever, even fever that is due to unknown causes through inducing sweating. It is paired with Ledebouriella Divaricata Root, notopterygium root and other herbs to treat colds, fevers and headaches. It can also help relieve sore throats and to remedy blood shot eyes.

It has been used to treat German measles; it relieves the itch of German measle lesions preventing the occurrence of skin infections when scratched. Studies have shown that Schizonepeta tenuifolia herb also retards the production of histamine which is of great importance in the treatment of severe itching.

The Schizonepeta tenuifolia herb is also a promising cure for the common cold and other upper respiratory illnesses. This herb also has antibacterial properties that can control infections in skin and mucous membranes.
Side Effects:
Schizonepeta tenuifolia herb preparations that are marketed as creams and lotions are very effective in the treatment of skin itching. However, it must not be applied to broken or wounded skin. Open sores and lesions must not come in contact with Schizonepeta tenuifolia herb preparations.
Oral supplements and herbal remedies prepared with Schizonepeta tenuifolia and other herbs must not be taken by pregnant and breastfeeding women. People with anemia and other blood related illnesses must consult their doctor regarding taking Schizonepeta tenuifolia herb. It may cause severe adverse reactions with the medication they are currently taking.

Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.

Resources:
http://en.wikipedia.org/wiki/Schizonepeta
http://zipcodezoo.com/Plants/S/Schizonepeta_tenuifolia/
http://www.fzrm.com/plantextracts/plantextract/Fineleaf_Schizonepeta_Herb.htm
http://www.herbnet.com/Herb%20Uses_IJK.htm

http://www.naturalwellbeing.com/learning-center/Schizonepeta_Tenuifolia_Herb

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