Akabia Stem

Akabia Stem
Name
Akabia Stem
Latin Pharmaceutical Name
Akebiae Caulis
Chinese Name
木通
Category
Stems and woods

Akabia StemMore Info

Production Regions
Primarily produced in the east of China.
Macroscopic Features
Akebia quinata (Thunb.) Decne.: Cylindrical, slightly twisted, 0.2~0.5cm diameter. Externally grayish-brown, lustrous, with shallow longitudinal lines, lenticels round or horizontal long round, raised, about 1mm diameter, with branches. Firm and brittle texture, easily broken, fractured surface is relatively fat, cortex is easily peeled off, xylem grayish-white, ducts densely arranged and irregular, thin rays are indistinct, round center pith is obvious. faint odor, tasteless and slightly acrid taste. Akebia trifoliate (Thunb.) Koidz.: cylindrical twisted, 0.2~1.5cm diameter. Externally gray, grayish-brown, or dark brown, color is uneven, very rough, with numerous irregular longitudinal cracks and horizontal cracks, sometimes has grayish-green moss, round lenticels or horizontal long round, raised, brown, unobvious, 1~2mm diameter; with stem scars. Cortex is easily peeled off from the xylem, and appears brownish-yellow; rays have dark brown longitudinal grooves. Pliable texture, not easily broken, fractured surface shows xylem that is yellowish-white, dense ducts in irregular arrangement. Akebia trifoliate (Thunb.) Koidz. var. australis (Diels) Rehd: diameter is 5~8mm. Externally yellowish-brown or dark brown. Irregular longitudinal grooves, with stem scars. Pliable texture, not easily to break, fractured surface has pale yellow sylum, dense dusts in irregular arrangement, about 13 rays, pale yellow rays, sub-spherical pith. faint odor, slightly bitter taste.
Quality Requirements
Superior medicinal material is thick, even.
Properties
Bitter, slightly cold
Functions
Clears heat, promotes urination, invigorates blood, frees channels. Apply to dark urine, edema, vexation and heat in chest, throat pain, mouth and tongue sore, wind-damp impediment, insufficient milk, amenorrhea, dysmenorrheal.
Origin
The dried vine of Akebia quinata (Thunb.) Decne., Akebia trifoliate (Thunb.) Koidz., and Akebia trifoliate (Thunb.) Koidz. var. australis (Diels) Rehd.(Lardiazabalaceae)

Akabia StemHerbs in the formula

Gentian Liver-Draining Decoction

Gentian Liver-Draining Decoction

Action:Clears and drains excessive fire of the liver and gallbladder, and clears damp-heat in the liver channel.
Indication:1. Flaming up of excessive fire of the liver and gallbladder, which manifests as headache and red eyes, pain in the rib-side, bitter taste in the mouth, deafness, swelling of the ears, a red tongue with a yellow coating, and a forceful wiry, rapid pulse.
Red-Guiding Powder

Red-Guiding Powder

Action:Clears heart fire, nourishes yin, and promotes urination.
Indication:This formula is indicated for intense heat in the heart channel. The symptoms are vexing heat in the chest, sores in the mouth and tongue, thirst, red complexion, preference for cold drinks, difficult and painful urination that is dark, a red tongue, and a rapid pulse.
Wind-Dispersing Powder

Wind-Dispersing Powder

Action:Scatters wind and eliminates dampness, clears heat and nourishes the blood.
Indication:Xiao Feng San is indicated for rubella and eczema. The symptoms are itching skin, red rashes that affect a large part of the body, fluids that leak upon scratching, a white or yellow tongue coating, and a superficial, rapid pulse.
Sweet Dew Toxin-Removing Elixir

Sweet Dew Toxin-Removing Elixir

Action:Drains dampness and removes turbidity, clears heat and resolves toxins.
Indication:Gan Lu Xiao Du Dan is indicated for damp-warmth and seasonal epidemic. It is a pattern with equal dampness and heat pathogens in the qi level. The symptoms are fever and fatigue, chest distress and abdominal distension, aching pain of limbs, throat pain, yellow skin and eyes, maxillofacial swelling, thirst, scanty and dark urine, diarrhea, and turbid strangury. The tongue coating may be either white, thick and greasy or yellow and dry. The pulse is either soggy and rapid or slippery and rapid.
Field Thistle Drink

Field Thistle Drink

Action:Cools blood and stanches bleeding, promotes urination and relieves strangury.
Indication:Blood strangury or bloody urine is due to the accumulation of heat in the lower jiao. This condition is marked by blood in the urine, and frequent painful urination that is hot with an unsmooth stream. The tongue is red and the pulse is rapid.
Eight Corrections Powder

Eight Corrections Powder

Action:Clears heat and subdues fire, promotes urination, and relieves strangury.
Indication:Ba Zheng San is indicated for damp-heat strangury. The symptoms are frequent urgent urination, odynuria, dribbling urination, dark yellow urine, retention of urine in severe cases, cramps and fullness of abdomen, and a dry mouth and throat. The coating is yellow and greasy and the pulse is slippery and rapid.
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