D. P. P. Gunathilake, K., K. D. S. Ranaweera, K. and P. V. Rupasinghe, H. (2017) “Optimization of Phenolics and Carotenoids Extraction from Leaves of Passiflora edulis Using Response Surface Methods”, Asian Journal of Biotechnology and Bioresource Technology, 1(1), pp. 1-12. doi: 10.9734/AJB2T/2017/33480.