Orange phlegm cough liquid is an expectorant, which has the effect of regulating qi and resolving phlegm, moistening the lungs and relieving cough.
Indications: Cough, asthma, and excessive phlegm caused by phlegm blocking the lung; colds, bronchitis, and pharyngitis see the above syndromes. It is prepared from 8 Chinese medicinal materials such as Huajuhong, Baibu (honey-made), Poria, Pinellia (made), Baiqian, licorice, bitter almond, Schisandra. In the prescription, orange red, Pinellia, Poria, licorice, licorice, qi, dampness, and phlegm; Baibu moistens the lungs and relieves cough; bitter almonds, Baiqian disperse the lungs and lower qi, resolve phlegm and relieve cough; Combination of various medicines, regulates qi and resolves phlegm, moistens the lungs and relieves cough.

In the Chinese Pharmacopoeia, the method for its content determination is clearly stipulated. This article refers to the method of the Chinese Pharmacopoeia and uses Welch Ultisil® XB-C18 chromatographic column for detection. As a result, the chromatographic column can meet the detection requirements under the chromatographic conditions.

Chromatographic conditions ✦

Chromatographic column: Ultisil® XB-C18 (4.6×250 mm, 5 μm).

Mobile phase: methanol/glacial acetic acid/water=70/3/130;

Detection wavelength: 283nm;

Column temperature: 30℃;

Flow rate: 1.0mL/min;

Injection volume: 10 μL.

Spectra and Data ✦

1.Reference solution

Rretention timeAreaArea%HighPlatesTailing factor
16.65786003.133777147761.03
18.01225011389.867586385951.04
19.341753017.009230238231.01

2.Test solution

Rretention timeAreaArea%HighPlatesTailing factor
16.65786003.133777147761.03
18.01225011389.867586385951.04
19.341753017.009230238231.01

Conclusion ✦

Welch Ultisil® XB-C18 (4.6×250mm, 5μm) was used for determination under this chromatographic condition, which could meet the detection requirements.

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