Portulaca oleracea

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Other Names:

Historical Use of Portulaca oleracea

Portulaca oleracea in Traditional Chinese Medicine


Chinese Name (pinyin): Machixian

Chinese Name  :

Common Name  :Portulaca

Specific Name  : Herba portulacae

Scientific Name:
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

Precautions  :

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

Pharmaceutical Information

Chemical Constituents

Evidence or the Use of Portulaca oleracea in the Treatment of Epilepesy

Basic Science

Animal Studies

Cohort, Case-Control and Non-Randomized Trials

Randomized Controlled Trials


1st Five Results: pubmed search

María Pardo-Muras, Carolina G Puig, Pablo Souza-Alonso, Nuria Pedrol
Plants (Basel): 2020, 9(2);
[PubMed:32041239] [WorldCat.org] [DOI] (P e)

Homervergel G Ong, Young-Dong Kim
Medicinal plants for gastrointestinal diseases among the Kuki-Chin ethnolinguistic groups across Bangladesh, India, and Myanmar: A comparative and network analysis study.
J Ethnopharmacol: 2020, 251;112415
[PubMed:31917280] [WorldCat.org] [DOI] (I a)

Lonnie J Guralnick, Kate E Gilbert, Diana Denio, Nicholas Antico
Plants (Basel): 2020, 9(1);
[PubMed:31906418] [WorldCat.org] [DOI] (P e)

Yair Olovaldo Santiago-Saenz, Rebeca Monroy-Torres, Diana Olivia Rocha-Amador, Alma Delia Hernández-Fuentes
Nutrients: 2019, 12(1);
[PubMed:31905888] [WorldCat.org] [DOI] (I e)

Sun-Xun Zhang, Shou-Hong Zhang, Ying Zhang, Si-Ting Wu
[Impacts of Vegetation on Quantity and Quality of Runoff from Green Roofs].
Huan Jing Ke Xue: 2019, 40(8);3618-3625
[PubMed:31854768] [WorldCat.org] [DOI] (P p)



Side Effect and Warnings

Pregnancy and Breastfeeding

Adverse Effects