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ORIGINAL ARTICLE
Year : 2018  |  Volume : 4  |  Issue : 3  |  Page : 105-111

Effective components of dried ginger in warming lung to reduce watery phlegm and In vivo tissue distribution based on the “syndrome-efficacy-biological sample analysis” method


1 Henan University of Chinese Medicine, Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment and Chinese Medicine Development of Henan Province, Zhengzhou 450046, China
2 Henan Province Chinese Medical Research Institute, Zhengzhou 450003, China

Correspondence Address:
Ying Cui
Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment and Chinese Medicine Development of Henan Province, Henan University of Chinese Medicine, Zhengzhou 450046
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/wjtcm.wjtcm_16_18

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Objective: This study aimed to investigate effective components of dried ginger (DG) in warming lung to reduce watery phlegm and in vivo tissue distribution on the syndrome of cold fluid retained in lung of rats with chronic obstructive pulmonary disease (COPD) by means of the “syndrome-efficacy-biological sample analysis” method and then to explore its meridian tropism. Methods: Wistar rats were given nasal drops of 200-μL lipopolysaccharide and smoke 30 min two times a day, then put the appropriate dose of ice water, and freeze for an hour to build model rats. On the 16th day, the drug group was orally administered of DG (500 mg/mL) until the 30th day. Blood samples and biological tissues were collected from the orbital venous plexus into heparinized hemostasis tubes at 5, 10, 15, 30, 45, 60, 90, 120, 180, 240, and 360 min after the last administration. Using ultraviolet-high-performance liquid chromatography (Waters, USA) method, the effective components were tested, and DAS 3.0 software (Mathematical Pharmacology Professional Committee of China, Shanghai, China) was used to analyze the results. Results: The compounds of DG entering into blood were 6-gingerol, 6-shogaol, and 8-gingerol. Tissue distribution analysis indicates that three active ingredients are widely present in the lung, spleen, kidney, liver, heart, large intestine, stomach, small intestine, and other organs of rats with COPD. Conclusions: 6-gingerol, 6-shogaol, and 8-gingerol belong to effective components of DG in curing the syndrome of cold fluid retained in lung of rats with COPD and mainly distributed in organs including the spleen, stomach, lung, kidney, liver, and heart.


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