Cynanchum glaucescens
Contents
Nomenclature
Other Names:
Historical Use of Cynanchum glaucescens
Cynanchum glaucescens in Traditional Chinese Medicine
Background
Zhibaiqian ÖË°×Ç°
Chinese Name (pinyin): Baiqian
Chinese Name :
Common Name :Swallowwort Rhizome
Specific Name : Rhizoma cynanchi stauntonii
Scientific Name:
Collection : The drug is collected in autumn, wash clean and dried in the sun.
Description : Rhizome of Cynanchum stauntonii: Slenderly cylindrical, branched somewhat curved, 4 - 15 cm long, 1.5 - 4 mm in ddiameter, externally yellowish white or yellowish brown, obviously nodose, internodes 1.5 - 4.5 cm long, remains of stem at the apex. Texture fragile, fracture hollowed. Numerous fine curved root and rootlets fascicled at nodes up to 10 cm long, less than 1 mm in diameter, much branched and appearing hairy fibrous, usually coiled each other in a mass. Odour slight, taste sweetish.
Identification : Heat under reflux 1 g of the coarse powder with 10 ml of 70% ethanol for 1 hour and filter. Evaporate 1 ml of the filtrate to dryness, to the residue add 1 ml of acetic anhydride and 1 drop of sulfuric acid. A reddish violet colour is produced for Rhizoma Cynanchi Stauntonii which turns to green on standing, a brownish red color is produced for Rhizoma Cynanchi Galucescens which unchange on standing.Processing: Eliminate foreign matter, wash clean, soften thoroughly, cut into sections and dry.
Processing : Eliminate foreign matter, wash clean, soften thoroughly, cut into sections and dry.Processed with honey: Stir fry the clean Rhizoma Cynanchi Stauntonii as described under the method for stir frying with honey (Appendix ll D) until no more sticky to fingers.
Action : To eliminate phlegm and relieve cough.
Indication : cough with copious expectoration and dyspnea
Precautions :
Dosage : 3 to 9 g.
Storage : Preserve in a ventilated and dry place.
Nomenclature
Other Names:
Historical Use of Cynanchum glaucescens
Cynanchum glaucescens in Traditional Chinese Medicine
Background
Zhibaiqian ÖË°×Ç°
Chinese Name (pinyin): Baiqian
Chinese Name :
Common Name :Swallowwort Rhizome
Specific Name : Rhizoma cynanchi stauntonii
Scientific Name:
Collection : The drug is collected in autumn, wash clean and dried in the sun.
Description : Rhizome of Cynanchum stauntonii: Slenderly cylindrical, branched somewhat curved, 4 - 15 cm long, 1.5 - 4 mm in ddiameter, externally yellowish white or yellowish brown, obviously nodose, internodes 1.5 - 4.5 cm long, remains of stem at the apex. Texture fragile, fracture hollowed. Numerous fine curved root and rootlets fascicled at nodes up to 10 cm long, less than 1 mm in diameter, much branched and appearing hairy fibrous, usually coiled each other in a mass. Odour slight, taste sweetish.
Identification : Heat under reflux 1 g of the coarse powder with 10 ml of 70% ethanol for 1 hour and filter. Evaporate 1 ml of the filtrate to dryness, to the residue add 1 ml of acetic anhydride and 1 drop of sulfuric acid. A reddish violet colour is produced for Rhizoma Cynanchi Stauntonii which turns to green on standing, a brownish red color is produced for Rhizoma Cynanchi Galucescens which unchange on standing.Processing: Eliminate foreign matter, wash clean, soften thoroughly, cut into sections and dry.
Processing : Eliminate foreign matter, wash clean, soften thoroughly, cut into sections and dry.Processed with honey: Stir fry the clean Rhizoma Cynanchi Stauntonii as described under the method for stir frying with honey (Appendix ll D) until no more sticky to fingers.
Action : To eliminate phlegm and relieve cough.
Indication : cough with copious expectoration and dyspnea
Precautions :
Dosage : 3 to 9 g.
Storage : Preserve in a ventilated and dry place.
Synonymns for Cynanchum glaucescens
Patent Medicines and Medicines with Multiple Ingredients that include Cynanchum glaucescens
Pharmaceutical Information
Chemical Constituents
Evidence or the Use of Cynanchum glaucescens in the Treatment of Epilepesy
Basic Science
Animal Studies
Cohort, Case-Control and Non-Randomized Trials
Randomized Controlled Trials
Meta-Analysis
1st Five Results: pubmed search
A Liang, B Xue, Q Yang, Z Li, J Wang, M Fu
[Pharmacological comparative study on baiqian and baiwei].
Zhongguo Zhong Yao Za Zhi: 1996, 21(10);622-5, inside back cover
[PubMed:9772633]
[WorldCat.org]
(P p)
A Liang, B Xue, Q Yang, Z Li
[Antitussive, expectorant and anti-asthmatic effects of Cynanchum glaucescens (Decne.) Hand. -Mazz].
Zhongguo Zhong Yao Za Zhi: 1995, 20(3);176-8, inside front cover
[PubMed:7646783]
[WorldCat.org]
(P p)
