- 1 Nomenclature
- 2 Historical Use of Portulaca oleracea
- 3 Background
- 4 Pharmaceutical Information
- 5 Evidence or the Use of Portulaca oleracea in the Treatment of Epilepesy
- 6 Safety
Historical Use of Portulaca oleracea
Portulaca oleracea in Traditional Chinese Medicine
Chinese Name (pinyin): Machixian
Chinese Name :
Common Name :Portulaca
Specific Name : Herba portulacae
Collection : The drug is collected in autumn and summer, removed from foreign matter, wash clean, steam briefly or treated with boiling water and dried in the sun.
Description : Mostly crumpled and rolled into masses. Stems cylindrical up to 30cm long, 1 - 2mm in diameter, externally yellowish-brown, distinctly furrowed longitudinally. Leaves opposite or alternate, easily broken when whole, obovate, 1 - 2.5cm long, 0.5 - 1.5cm wide, greenish brown, obtuse or slightly notched at the apex, margins entire. Flowers small, 3 - 5 teminal at branchlets, petals 5, yellow. Capsules conical, about 5mm long with many minute seeds, odor slight and taste acidulous.
Identification : To 2g of the powder add 15 ml of hydrochloric acid solution (1:20) in ethanol, heat under reflux for 10 minutes, filter when hot. To 2ml of the filtrate, add 1ml of 3% sodium carbonate solution, heat for 3 minutes on a water bath, cool in ice water, add small quantity of activate charcoal, stir and filter. To the filtrate add 2 drops of freshly prepared diazotized þ-nitroaniline TS, a red colour is produced.
Processing : Eliminate foreign matter, wash clean, soften briefly, cut into section and dry in the sun.
Action : To remove toxic heat, and to arrest bleeding.
Indication : dysentery with bloody stools, boils and sores, eczema, erysipelas, snake or insect bite, hematochezia, hemorrhoidal bleeding, abnormal uterine bleeding
Dosage : 9 to 15 g of the dried herb or 30 to 60 g of the fresh herb for oral administration; appropriate quantity of the fresh herb to be pounded into paste for topical application.
Storage : Preserve in a ventilated dry place.
Synonymns for Portulaca oleracea
Patent Medicines and Medicines with Multiple Ingredients that include Portulaca oleracea
Evidence or the Use of Portulaca oleracea in the Treatment of Epilepesy
Cohort, Case-Control and Non-Randomized Trials
Randomized Controlled Trials
1st Five Results: pubmed search