1. Ajayi GO, Olagunju JO, Ademuyiwa O, Martins OC (2011) Gas chromatography–mass spectrometry analysis and phytochemical screening of ethanolic root extract of Plumbago zeylanica Linn. J Med Plant Res 5:1756–1761
2. Ariyanathan S, Saraswathy A, Rajamanickkam GV (2011) Phytochemical investigation of Plumbago capensis Thunb. Int J Life Sci Pharma Rev 2:670–673
3. Bhalsing SR, Maheshwari VL (1998) Plant tissue culture—a potential source of medicinal compounds. J Sci Ind Res 57:703–708
4. Biesboer DD (1985) New techniques of plant tissue culture and their potential for plant improvement. J Minn Acad Sci 51:5–8
5. Chai XH, Li J, Zhang XS, Zhan HY, Wang XY (2003) Prevention of the contamination during plant tissue culture. Chin J Trop Agric 23:40–44