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The Active Ingredients Identification and Antidiarrheal Mechanism Analysis of Plantago asiatica L. Superfine Powder.

ABSTRACT: Plantago asiatica L. is a natural medicinal plant that has been widely used for its various pharmacological effects such as antidiarrheal, anti-inflammatory, and wound healing. This study aims to explore the antidiarrheal active ingredients of Plantago asiatica L. that can be used as quality markers to evaluate P. asiatica L. superfine powder (PSP). Molecular docking experiment was performed to identify the effective components of P. asiatica L., which were further evaluated by an established mouse diarrhea model. Na⁺/K⁺-ATPase and creatine kinase (CK) activities and the Na⁺/K⁺ concentrations were determined. The gene expression of ckb and Atp1b3 was detected. PSP was prepared and evaluated in terms of the tap density and the angle of repose. The structures of PSPs of different sizes were measured by infrared spectra. The active ingredient contents of PSPs were determined by HPLC. The results indicated that the main antidiarrheal components of P. asiatica L. were luteolin and scutellarein that could increase the concentration of Na⁺ and K⁺ by upregulating the activity and gene level of CK and Na⁺/K⁺-ATPase. In addition, luteolin and scutellarein could also decrease the volume and weight of small intestinal contents to exert antidiarrheal activity. Moreover, as the PSP size decreased from 6.66 to 3.55 ?m, the powder tended to be amorphous and homogenized and of good fluidity, the content of active compounds gradually increased, and the main structure of the molecule remained steady. The optimum particle size of PSP with the highest content of active components was 3.55 ?m, and the lowest effective dose for antidiarrhea was 2,000 mg/kg. Therefore, the antidiarrheal active ingredients of PSP were identified as luteolin and scutellarein that exert antidiarrheal activity by binding with Na⁺/K⁺-ATPase. PSP was successfully prepared and could be used as a new dosage form for the diarrhea treatment.

SUBMITTER: Dong CL

PROVIDER: S-EPMC7851704 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The Active Ingredients Identification and Antidiarrheal Mechanism Analysis of Plantago asiatica L. Superfine Powder.

Dong Chun-Liu CL Qin Yue Y Ma Jin-Xin JX Cui Wen-Qiang WQ Chen Xing-Ru XR Hou Li-Ya LY Chen Xue-Ying XY God'spower Bello-Onaghise BO Eliphaz Nsabimana N Qin Jun-Jie JJ Guo Wen-Xin WX Ding Wen-Ya WY Li Yan-Hua YH

Frontiers in pharmacology 20210119

Plantago asiatica L. is a natural medicinal plant that has been widely used for its various pharmacological effects such as antidiarrheal, anti-inflammatory, and wound healing. This study aims to explore the antidiarrheal active ingredients of Plantago asiatica L. that can be used as quality markers to evaluate P. asiatica L. superfine powder (PSP). Molecular docking experiment was performed to identify the effective components of P. asiatica L., which were further ev ...[more]

PMID: 33542689

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The Active Ingredients Identification and Antidiarrheal Mechanism Analysis of Plantago asiatica L. Superfine Powder.

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The Active Ingredients Identification and Antidiarrheal Mechanism Analysis of <i>Plantago asiatica</i> L. Superfine Powder.

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