What is the function of Lagerstroemia indica root?

Lagerstroemia indica is a common plant, and its flowers can often be seen around us, but Lagerstroemia indica is actually a traditional Chinese medicine. Lagerstroemia indica can be used as medicine in many ways, for example, sometimes flowers can be used as medicine, and the roots of Lagerstroemia indica can also be used as medicine. So, what specific functions does Lagerstroemia indica root generally have? What is the medicinal value of Lagerstroemia indica root?

1, what is Lagerstroemia indica root?

The root of Lagerstroemia speciosa, that medicinal part of which is the root of Lagerstroemia speciosa. It can be dug, washed, sliced, dried or used in small quantities all year round.

Roots are cylindrical and branched, with different lengths and sizes. The surface is grayish brown, with fine longitudinal wrinkles. The cork is thin, easy to peel off, hard, not easy to break, irregular in section, yellowish white, odorless and slightly astringent.

2. The efficacy of Lagerstroemia indica root

Clearing heat and promoting diuresis; Activating blood circulation to stop bleeding; Pain relief. Main dysentery; Edema; Burn and scald; Eczema; Eczema; Carbuncle swelling and sore poison; Fall and get injured; Blood collapse; Migraine; Toothache; Dysmenorrhea; Postpartum abdominal pain.

3. Medicinal value of Lagerstroemia indica root.

1. Treatment of carbuncle, boils on head and face, and sores on hands and feet: grind the roots or flowers of Lagerstroemia indica and mix them with vinegar. It can also be decocted. (Hunan Pharmacology)

Treatment of toothache: Wei Zigen cooks pork. (Hunan Pharmacology)

3, cure white dysentery: Wei Zigen decoction. (Hunan Pharmacology)

Treatment of red and white dysentery and acute infectious jaundice hepatitis: the root and leaf of Lagerstroemia indica are five yuan each, and they are decocted with water. (Jiangxi Chinese herbal medicine)

5, Jiehuangteng poisoning: Wei Zigen decoction. (Hunan Pharmacology)

4. Usage and dosage of Lagerstroemia indica root

Oral administration: decoction, 10- 15g. External use: appropriate amount, ground and applied, or decocted and washed.

5. Side effects of Lagerstroemia indica root

Pregnant women should not take it.

6. Plant morphology of Lagerstroemia indica roots

Deciduous shrub small trees, up to 7 meters high. The bark is smooth, gray or taupe. Branches twisted, branchlets slender, with 4 edges, slightly winged, leaves alternate or sometimes subopposite; Petioles are few; The leaves are papery, oval, obovate or oblong, 2.5-7 cm long and 65438 0.5-4 cm wide, with a short or obtuse apex, sometimes slightly concave, a wide wedge-shaped or nearly round base, and hairless or permanently puberulent along the lower edge; Lateral veins 3-7 pairs. Flowers reddish and purple, usually terminal in panicles; Pedicel length 3- 15 mm; The length of calyx is 7- 10mm, and there is no groove outside the calyx tube. Apex usually 6-lobed, lobes ovate. Petals 6, shriveled, long 12-20 mm, with long claws; Stamens 36-42, outer 6 inserted in calyx, longer than other, larger and green anthers; Feminine color; Pistil 1, slender style, capitate stigma. The capsule is ovoid, spherical, long 1- 1.3cm, and purple-black at maturity. Seeds winged, ca. 8 mm. The flowering period is from June to September, and the fruiting period is from September to June.

7. Pay attention to Chinese medicine

(1) Some traditional Chinese medicines contain toxic components, such as aconitine in aconite, which has therapeutic effect in small doses, and may cause poisoning in large doses or improper use.

(2) Some traditional Chinese medicines do not contain toxic components, but excessive use can also cause poisoning. For example, excessive use of cinnamon can cause hematuria.

(3) Improper medication based on syndrome differentiation, such as taking Herba Asari and Cortex Cinnamomi to patients with hyperactivity of liver yang, is tantamount to adding fuel to the fire.

(4) Improper varieties of traditional Chinese medicines. For example, mistletoe is non-toxic, but mistletoe parasitic on toxic plants will contain corresponding toxic components.

(5) Some medicinal materials are unprocessed or improperly processed. For example, processed Pinellia ternata is not toxic, while raw Pinellia ternata is toxic.

(6) The decoction of traditional Chinese medicine is incorrect. Traditional Chinese medicine believes that the decoction time is not enough, causing toxic reactions.

(7) It is very dangerous to take Chinese medicine by mistake. If cortex acanthopanacis radicis is used as cortex acanthopanacis radicis, digitalis-like poisoning will occur.

(eight) contaminated or deteriorated Chinese medicine.

(9) improper medication, such as intramuscular injection of traditional Chinese medicine is used for intravenous injection.

(10) If the drug is used for too long, digitalis-like accumulation poisoning will occur if it contains cardiac glycosides in oleander.

(1 1) Some traditional Chinese medicines can react with each other, which will cause adverse reactions if they are not compatible properly. For example, veratrum should not be used with tonic drugs such as ginseng.

(12) There are also compatibility taboos between Chinese and western medicines, such as hawthorn, Schisandra chinensis, ebony, etc. Combined with sulfanilamide, it can cause hematuria.

(13) Differences in sex, age and constitution will affect the curative effect of traditional Chinese medicine. For example, women are sensitive to many drugs during lactation.

(14) The quality of traditional Chinese medicine injection is poor, and it contains harmful substances, impurities and plant proteins.

(15) Improper use of external auxiliary materials such as liquor, alcohol and vinegar.