An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Biological Activity Cytotoxic

Select a Results View:

List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
TRIPTOLIDE 1 ppm Biosyn. Prod. Cancer Chemotherapy (Petit et al)
TUBULOSINE not available Duke, 1992 *
TULIPINOLIDE ED50=0.46 Duke, 1992 *
UNCARINE-C ED50=24 Collins, D.J., Culvenor, C.C.J., Lamberton, J.A., Loder, J.W. and Price, J.R., Plants for Medicines, CSIRO, East Melbourne, Australia, 1990, 303 pp.
UNCARINE-D ED50=36 Collins, D.J., Culvenor, C.C.J., Lamberton, J.A., Loder, J.W. and Price, J.R., Plants for Medicines, CSIRO, East Melbourne, Australia, 1990, 303 pp.
URSOLIC-ACID ED50=3.75 ug/ml Duke, 1992 *
URSOLIC-ACID 7.2 uM Duke, 1992 *
URSOLIC-ACID 50 ppm Duke, 1992 *
UVAOL 100-200 ppm Duke, 1992 *
UVARETIN 10 ppm Biosyn. Prod. Cancer Chemotherapy (Petit et al)
UZARIGENIN not available Duke, 1992 *
VALEPOTRIATES not available Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989.
VALTRATE not available Duke, 1992 *
VATAMIDINE micromolar Duke, 1992 *
VATAMINE micromolar Duke, 1992 *
VATINE 1.5uM Duke, 1992 *
VATINE-A micromolar Duke, 1992 *
VERBASCOSIDE ED50=2.6 ug/ml Duke, 1992 *
VERNODALIN ED50=1.8 Biosyn. Prod. Cancer Chemotherapy (Petit et al)
VERNOLIDE 2 ppm Biosyn. Prod. Cancer Chemotherapy (Petit et al)
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Ocimum kilimandscharicum African Blue Basil; Kenyan Perennial Basil 1 6, 070
Ocimum sanctum Holy Basil; Tulsi 1 9, 940
Ocimum sp Basil 1 0
Ocimum suave Kenyan Tree Basil 1 2, 860
Ocimum tenuiflorum Anise-Scented Basil 6 21, 610
Oenanthe javanica Javan Water Dropwort 1 0
Oenothera biennis Evening-Primrose 8 414, 266
Olea europaea Olive 11 0
Ononis spinosa Spiny Restharrow; Restharrow; Hauhechel (Ger.) 7 228
Opuntia ficus-indica Indian Fig; Prickly Pear; Nopal; Nopalito 2 0
Origanum compactum not available 2 320
Origanum majorana Marjoram; Sweet Marjoram 8 1, 065, 930
Origanum minutiflorum Small-Flowered Oregano 1 125
Origanum onites Oregano; Pot Marjoram 1 0
Origanum sipyleum Bayircayi; Guveyoto 2 96
Origanum vulgare Common Turkish Oregano; Wild Oregano; Oregano; Pot Marjoram; Wild Marjoram; European Oregano 12 5, 183, 100
Orthosphenia mexicana not available 1 0
Oryza sativa Rice 2 0.8999999761581421
Paeonia japonica not available 1 10, 000
Paeonia lactiflora Chih-Shao; Peony; Common Garden Peony; White Peony; Bai Shao (Chinese) 3 0