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- Nogueira, José M.F., et al. Show all 4 Authors
- Phytochemical analysis 2008 v.19 no.3 pp. 229-235
- plant extracts; chemical constituents of plants; plumbagin; solvents; methanol; chloroform; hexane; quantitative analysis
- ... The naphthoquinone plumbagin has a broad spectrum of biological activities. The aim of this study was to investigate the efficiency of two extraction methods (Soxhlet and ultrasound-assisted extraction) and three solvents (methanol, chloroform and hexane) to recover plumbagin from fresh and dried tissues of field specimens of Drosophyllum lusitanicum (L.) Link. The highest extraction yields were o ...