References
- Andersen AB, Lam J, Wrang P (1971): Polyunsaturated com-pounds of Centaurea scabiosa. Phytochemistry 16: 1829–1831.
- Charaux C, Rabate J (1940): Constituents of Centaurea scabiosa. J Pharm Chim 9: 155–162.
- Christensen LP, Lam J, Thomasen T (1991): Polyenes from Centaurea scabiosa. Phytochemistry 30: 3457–3458. Clapham AR, Tutin TG, Warburg EF (1952): Flora of the British Isles. Cambridge University Press, UK.
- Clement CY, Dinan L (1991): Development of an assay for ecdysteroid-like and anti-ecdysteroid activities in plants. In: HrdY I, ed., Insect Chemical Ecology. The Hague, Academia Prague and SPB Acad. Publ., pp. 221-226.
- Clement CY, Bradbrook DA, Lafont R, Dinan L (1993): Assessment of a microplate-based bioassay for the detec-tion of ecdysteroid-like or antiecdysteroid activities. Insect Biochem Mol Biol 23: 187–193
- Cooper G, Laird A, Nahar L, Sarker SD (2002): Lignan gluco-sides from the seeds of Centaurea americana (Composi-tae), Biochem Syst Ecol 30: 65–67.
- Cox PJ, Fergusson M, Nahar L, Sarker SD (2001): Moschamin-dole, Acta Crystallographica E57: o81—o82.
- Dictionary of Natural Products (DNP) on CD-ROM (1999): release 8: 1, Boca Raton, Florida. Chapman and Hall.
- Ferguson CA, Nahar L, Finnie DA, Kumarasamy Y, Reid R, Mir-Babayev NF, Sarker SD (2002): Centaurea scabiosa L. (Compositae): a potential source for dibenzylbutyrolactone lignans. Biochem Syst Ecol (in press).
- Finney DJ (1971): Probit Analysis, 3rd ed. Cambridge, Cam-bridge University Press.
- Flamini G, Antognoli E, Morelli I (2001): Two flavonoids and other compounds from the aerial parts of Centaurea bracteata from Italy. Phytochemistry 57: 559–564.
- Flora Europaea Online database (2001): Royal Botanic Garden Edinburgh, Edinburgh. Available online at: http://www.rbge.org.uk/forms/fe.html
- Flora Celtica Online database (2001): Royal Botanic Garden Edinburgh, Edinburgh. Available online at: http:// www.rbge.org.uk/data/celtica/fc.htm
- Grieve M (1995) A modern herbal. Available on-line at http://www.botanical.com/botanical/mgmh/k/knagre06.ht ml
- GRIN database (2002): USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network (GRIN), National Germplasm Resources Laboratory, Beltsville, Maryland, USA. Available
- on-lineat:http/www.ars-grin.gov/cgi-bin/npgs/html/tax_search.pl?Centaurea+scabiosa
- Kahkönen MP, Hopia AT, Vuorela HJ, Rauha JP, Pihlaja K, Kujala TS, Heinonen M (1999): Anti-oxidant activity of plant extracts containing phenolic compounds. J Agric Food Chem 47: 3954–3962
- Kurmaz BV (1961): Investigation of the glycosides of Centau-rea scabiosa. Farm Zhur 16: 39–42.
- Kumarasamy Y, Fergusson ME, Nahar L, Sarker SD (2002): Bioactivity of moschamindole from Centaurea moschata. Pharm Biol 40: 307–310.
- Lorian V (1991): Antibiotics in Laboratory Medicine. 3rd ed., Baltimore, USA, Williams & Wilkins.
- Meyer BN, Ferrigni NR, Putnam JE, Jacobson LB, Nicholas DE, McLaughlin JL (1982): Brine shrimp: a convenient general bioassay for active plant constituents. Planta Med 45: 31–34.
- Nishibe S, Tsukamoto H, Hisada S (1984): Effects of 0-methy-lation and 0-glucosylation on carbon-13 nuclear magnetic resonance chemical shifts of matairesinol, (+)-pinoresinol and (+)-epipinoresinol. Chem Pharm Bull 32: 4653–4657
- Phytochemical and Ethnobotanical database (2002): USDA-ARS-NGRL, Beltsville Agricultural Research Center, Beltsville, Maryland, USA. Available on line at: http:// www.ars-grin/cgi-biri/duke/ethriobot.pl
- Rahman MAA, Dewick PM, Jackson DE, Lucas JA (1990): Lignans of Forsythia intermedia. Phytochemistry 29: 1971–1980.
- Richards RME, Xing DKL (1993): In vitro evaluation of the antimicrobial activities of selected lozenges. J Pharm Sci 82: 1218–1220.
- Ribeiro NL, Nahar L, Kumarasamy Y, Mir-Babayev N, Sarker SD (2002): Flavonoid C-glucosides and a lignan from Centaurea macrocephala (Compositae), Biochem Syst Ecol (in press).
- Sarker SD, Laird A, Nahar L, Kumarasamy Y, Jaspars M (2001): Indole alkaloids from the seeds of Centaurea cyanus (Asteraceae). Phytochemistry 57: 1273–1276.
- Takao T, Watanabe N, Yagi I, Sakata K (1994): A simple screen-ing method for antioxidants and isolation of several antiox-idants produced by marine bacteria from fish and shellfish. Biosci Biotech Biochem 58: 1780–1783.