High catechin concentrations detected in Withania somnifera (ashwagandha) by high performance liquid chromatography analysis
2011

High catechin concentrations in Withania somnifera

publication Evidence: moderate

Author Information

Author(s): Alam Nadia, Hossain Monzur, Khalil Md Ibrahim, Moniruzzaman Mohammed, Sulaiman Siti Amrah, Gan Siew Hua

Primary Institution: Department of Botany, Rajshahi University, Bangladesh

Hypothesis

The study aimed to identify phenolic acids, flavonoids, and antioxidant activities in Withania somnifera extracts.

Conclusion

Withania somnifera has strong therapeutic properties due to its high content of polyphenols and antioxidant activities.

Supporting Evidence

  • High concentrations of phenolics and flavonoids were detected in all parts of the plant.
  • The leaves contained the highest amounts of polyphenols, especially catechin.
  • All parts of Withania somnifera showed strong antioxidant activities.

Takeaway

This study found that parts of the ashwagandha plant are packed with healthy compounds that can help fight diseases.

Methodology

The study used high performance liquid chromatography (HPLC) and spectrophotometric methods to analyze the extracts.

Limitations

Limited data exists on phenolic compounds in Withania somnifera, and the study may not cover all potential variations in plant composition.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6882-11-65

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