Introduction of Bo He:Herba Menthae or Peppermint.
✵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:Pungent-cool Exterior-releasing Herbs.
Introduction: Pungent-cool exterior-releasing herbs: an agent or substance herbs pungent in flavor and cool in property, which is usually used for treating a wind-heat exterior syndrome.
✵Till the date Oct 10th,2019, there are totally  kinds of common TCM herbs,  kinds of related plant species,  kind of insect species, are recorded in this category. These pungent-cool exterior-releasing herbs are briefly introduced separately:
Pin Yin Name: Bò He.
English Name: Peppermint.
Latin Name: Herba Menthae.
Property and flavor: cool, pungent.
Brief introduction: The herb Herba Menthae is the dried aerial part of Mentha haplocalyx Briq.(family Labiatae), used (1).to disperse wind and heat in the treatment of wind-heat affliction, (2).to clear the head and eyes for relieving headache and conjunctivitis, (3).to promote eruption in the treatment of measles, and (4).to soothe the liver for alleviating hypochondriac and thoracic pain. The herb is commonly known as Herba Menthae, Peppermint, Bò He.
Botanical source: The herb Herba Menthae(Peppermint) is the whole herb or leaves of the (1). Mentha haplocalyx Briq., or (2). Mentha haplocalyx Briq.var.piperascens(Malinvaud)C.Y.Wu et H.W.Li., or (3). Mentha x piperta L., they are plants of the Mentha spicata L. genus, the Lamiaceae or Labiatae(mint or deadnettle family) of the Lamiales order. These 3 commonly used species are introduced as:
(1).Mentha haplocalyx Briq.: Botanical description: The Mentha haplocalyx Briq., known as "M. haplocalyx Briq.; M.aruensis L.var.haplocalyx Briq.; M.aruensis auct.non L., Mentha canadaensis L.", perennial herb, stems are erect, 30~60 cm high, with a rhizome of medlar, reaching 13 cm deep into the soil, crispy, easily broken, with slender fibrous roots and horizontal rhizomes at the lower part. Roots, the cultivated mints, with a true absorption effect are a number of fibrous roots growing on the upright stems in the ground and underground rhizome nodes. These roots are buried into the soil to a depth of about 30 cm, and the topsoil layer is about 15~20 cm. Concentration; In addition, in the case of relatively high humidity between the plants, there will be many aerial roots on the base section of the erect stem and between the nodes. This aerial root will die by itself when the weather is dry. Almost no effect on the growth of mint. Stems are sharply tetragonal, much branched, with trichomes that are glabrous or slightly retro reflective on all four sides. Leaf blade is oblong-lanceolate, lanceolate, elliptic or ovate-lanceolate, thinly oblong, 3~5~7 cm long, 0.8~3 cm wide, apex acute, base cuneate to suborbicular, the margin is sparse above and below the base and coarse teeth serrations, lateral veins of about 5-6 pairs, with the middle rib above the obvious, above the green; along the veins densely covered sparsely puberulent, or in addition to the pulse outside the remainder hairless, light green above, usually densely puberulent along veins; petiole 2~10 mm in length, abaxially concave-convex, puberulent.
Growth characteristics: The plant is cultivated all over the country of China, the herb produced in Jiangsu is the best quality.
Characters of herbs: The stem of this herb is square column form, have opposite branch; The surface is purple-brown or light green, there is fuzz grows on the edges and corners, internodes are 2 ~ 5 cm long; the texture is crisp, the cross-section is white, hollow pulp.
Pharmacological actions: This herb can prompt the skin telangiectasis, induce perspiration, and antipyretic. Menthol, piperitone topical use has anti-inflammatory, analgesic, anti-pruritic effect. Peppermint oil can relieve gastrointestinal spasms and promote the secretion of respiratory glands. Leaves contain volatile oil, mainly menthol, piperitone, limonene, etc., which can promote skin capillary dilatation, have the effect of inducing perspiration, antipyretic, analgesic, anti-pruritic effect, etc.
Medicinal efficacy: Dispelling wind and clearing heat, clear head and refreshing eyes, inducing perspiration and promoting eruption, clear and benefit throat, detoxification, dredge liver and dispel melancholy.
Administration of Herba Menthae(Bò He):
Administration Guide of Herba Menthae(Bò He)
Internally:3~9 grams, better add later in decoction(CP); or wayer decoction, should not boil for too long, 0.8~2 qian(about 2.4~6 grams), or grinded to fine powder and prepared to pill, powder.Externally:extract juice or water decoction, apply(DCTM), or water decoction, 3~6 grams, should not boil for too long, better add later, or prepared to pill, powder.Externally:extract juice or water decoction, apply(CHMM).
(2).Mentha haplocalyx Briq.var.piperascens(Malinvaud)C.Y.Wu et H.W.Li.: Botanical description: The Mentha haplocalyx Briq.var.piperascens(Malinvaud) C.Y.Wu et H.W.Li., the botanical appearance is similar to the Mentha haplocalyx Briq. Main differences are: leaves ovate to oblong, 2~5 cm long, with glandular spots on both surfaces. Calyx lobes are narrowly triangular, ciliate. Corolla lilac or white. Nutlets are 0.7 mm long.
(3).Mentha x piperta L.: Botanical description: The Mentha x piperta L., is commonly known as "Peppermint", "Mentha balsamea Wild.", "black mint(M.piperta var.vulgaris Sole)" and "white mint(M.piperta var.officinalis Sole)", perennial herb with aromatic, cool taste. Rhizomes with bracts, with nodes on top, each having two opposite buds and bud scales. The stems are prismatic, erect, with hairs on the upper part, and the lower part only has a few hairs along the edges. Leaves opposite, oblong-lanceolate to elliptic, 8~10 cm long, 3~5 cm wide, apical acute, leaf surface flat, leaf color green to dark green, reticulate veins sink, leaf edge serration deep and sharp, petiole 1~2 cm long, covered with hairs. Umbrella inflorescences axillary, calyx tubular bell-shaped. The mint was first discovered and named by Carl Linnaeus when he took a sample in the England; Linnaeus considered this plant to be a new species but has reached a consensus in the academic community to classify peppermint as a hybrid plant. This species is a hybrid from the Spearmint(Mentha spicata) and Watermint(Mentha aquatica).
1.Introduction of Bo He:Herba Menthae or Peppermint.
2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).