Macro-microscopy and TLC atlas of leaves of Costus igneus Nak.

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Journal of Ayurveda Medical Sciences,2016,1,1,5-11.
Published:September 2016
Type:Original Article

Macro-microscopy and TLC atlas of leaves of Costus igneus Nak.

1Professor, *2Associate Professor, Department of Dravyaguna, Sri Dharmasthala Manjunatheshwara College of Ayurveda & Hospital, Hassan, Karnataka, 573201, India.

3Senior Research Officer, Department of Pharmacognosy, SDM Center for Research in Ayurveda and Allied Sciences, Udupi, Karnataka 574118, India.

4Principal and Professor, Department of Shalya tantra, Sri Dharmasthala Manjunatheshwara College of Ayurveda, Hassan, Karnataka, 573201, India.


Introduction: Costus igneus Nak., commonly known as Spiral flag, is a member of Costaceae and a newly introduced plant in India from South and Central America. In southern India, it usually is grown as an ornamental plant and its leaves are used as a dietary supplement in the treatment of diabetes mellitus. Recently, a number of researches have been carried out and it has been proven to possess various pharmacological activities like antidiabetic, hypolipidemic, diuretic, antioxidant, anti-microbial and anti-cancer. Methods: Macro-microscopy and TLC investigation for the leaves of C. igneus were done using standard methodology. Results: The chief microscopic characters of leaves include epidermis with anomocytic stomata, mesophyll cells with calcium oxalate crystals and fibres associated with parenchyma cells. TLC of ethanolic extract showed 7 and 12 spots at short UV nm and long UV respectively. Conclusion: This study will serve as a standard reference for identification of Costus igneus Nak. leaf.

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