Figure 1. (A) Thin layer chromatographic profiles of two varieties of Pogostemon heyneanus Benth. under UV 366 nm; B. Thin layer chromatography of two varieties of Pogostemon heyneanus Benth. after spraying vanillin sulfate (L)-local variety, (I) – introduced variety [Solvent system chloroform: cyclohexane dicloromethane: methanol (1:1:2:0.2)]

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Screening of Local and Introduced Varieties of Pogostemon heyneanus Benth. (Lamiaceae), for Superior Quality Physical, Chemical and Biological Parameters

R.M. Dharmadasa, R.M.D.H. Rathnayake, D.C. Abeysinghe, S. A. N. Rashani, K. Samarasinghe, A.L.M Attanayake

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