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@article{186277,
        author = {Dr.Vishakha Vilas Morankar and Dr. Surekha Landge},
        title = {A preliminary Comparative Study of Punarnava roots collected in Grishma and Sharad rutu W.S.R. to Phytochemical Properties & High performance Thin layer Chromatography.},
        journal = {International Journal of Innovative Research in Technology},
        year = {2025},
        volume = {12},
        number = {6},
        pages = {963-977},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=186277},
        abstract = {This classical texts of Ayurveda places great emphasis on prevention and encourages the maintainance of health through close attention to balance in one’s life. Ayurveda medicines mainly comprises of herbal formulations, minerals and metals. Medicinal plants are of great importance in Ayurveda therapies. Dravys are capable of producing maximum therapeutic effects when their veerya is augumented by collecting the plant in appropriate season. But in today's era, vast expansion of urban area and deforestation is leading to loss of natural resources of plants at very fast rate. Acharya charaka has given importance to place and method of collection and even more importance to the season in which we are collecting. Season for collection of drug plays an important role in field of drug research.  Acharya charaka and vaghbhata both have mentioned the root should be collected during shishira or grishma rutu. The market analysis shows that some formulations of Punarnava like punaranavamandur, Punarnavaashtakkwath etc are being prescribed at large quantity .This plant has proved itself to be beneficial in the past, is a drug of choice nowdays and seems to effective in future. So the plant has been selected for this study.
As per above reference, the rutu selected for collection of punarnava root is grishma and other rutu is selected randomly i.e. sharad rutu. Alkaloids, Carbohydrates, Carbohydrates, Steriods, Tannins, Flavonoids all of these constituents are present in Punarnava root sample collected in Grishma and Sharad rutu. we can say that roots collected in grishma rutu are qualitatively better and it is preferable to collect them in grishma rutu as compared to sharad rutu.},
        keywords = {Dravyasangrahakaala, Punarnava, roots.},
        month = {November},
        }