Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

Plant Origanum majorana (Lamiaceae)

Common Names
Marjoram, Sweet Marjoram
How this plant is used
Food

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List of plant chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Activity Count Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
(+)-CAR-3-ENE 0 Essential Oil *
(+)-CARAN-TRANS-4-OL 0 Essential Oil *
(+)-MENTHA-1,8-DIENE 0 Essential Oil *
1,8-CINEOL 0 Essential Oil *
1,8-CINEOL 0 Leaf Essent. Oil 75000.0 -0.40 *
1-ETHOXY-2-P-MENTHENE 0 Essential Oil 7000.0 *
1-ETHOXY-P-MENTH-2-ENE 0 Plant Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
3-BETA-HYDROXYURS-12-EN-28-OIC-ACID-3-O-BETA-D-GLUCOPYRANOSYL-(1->4)-O-BETA-D-XYLOPYRANOSIDE 0 Stem 13000.0 *
4-ETHOXY-P-MENTH-1-ENE 0 Plant *
ALLO-AROMADENDRENE 0 Essential Oil *
ALLO-AROMADENDRENE 0 Plant Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
ALPHA-COPAENE 0 Essential Oil *
ALPHA-COPAENE 0 Plant Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
ALPHA-ELEMENE 0 Essential Oil *
ALPHA-HUMULENE 2 Essential Oil *
ALPHA-HUMULENE 2 Plant Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
ALPHA-HYDROXYDIHYDROCAFFEIC-ACID 0 Plant List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
ALPHA-PHELLANDRENE 11 Essential Oil 26000.0 -0.09 *
ALPHA-PHELLANDRENE 11 Plant 18.0 103.0 -0.45 Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
ALPHA-PINENE 28 Essential Oil 19000.0 -0.39 *
View the list of ubiquitous chemicals
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List of plant activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Chemical Count Reference
(-)-Chronotropic 1 (View) Hansel, R., Keller, K., Rimpler, H., and Schneider, G. eds. 1992. Hager's Handbuch der Pharmazeutischen Praxis, Drogen (A-D), 1209 pp., 1993 (E-O), 970 pp., 1994 (P-Z), 1196 pp. Springer-Verlag, Berlin.
(-)-Inotropic 1 (View) Hansel, R., Keller, K., Rimpler, H., and Schneider, G. eds. 1992. Hager's Handbuch der Pharmazeutischen Praxis, Drogen (A-D), 1209 pp., 1993 (E-O), 970 pp., 1994 (P-Z), 1196 pp. Springer-Verlag, Berlin.
5-Alpha-Reductase-Inhibitor 2 (View) *
5-HT-Inhibitor 1 (View) *
ABeta-Inhibitor 1 (View) *
Abortifacient 1 (View) *
Acaricide 6 (View) *
ACE-Inhibitor 6 (View) *
AChE-Inhibitor 1 (View) Grundy, D. L. and Still, C. C., Inhibition of acetylcholinesterases by pulegone-1,2-epoxide, Oest. Biochem. & Physiol., 23, 1985, 383-8.
Acidulant 1 (View) Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Adenylate-Cyclase-Inhibitor 1 (View) *
Aldehyde-Oxidase-Inhibitor 1 (View) *
Aldose-Reductase-Inhibitor 16 (View) *
Allelochemic 8 (View) *
Allelopathic 3 (View) Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Allergenic 21 (View) Martindale's 29th
Allergenic? 1 (View) *
Alpha-Reductase-Inhibitor 1 (View) *
Analgesic 16 (View) Martindale's 28th
Ancylostomicide 1 (View) Madaus, G. 1976. Lehrbuch der Biologischen Hilfmittel. Vol,. 1-3. 2862 pp. (+ 144 p. index). Georg Olms Verlag, Hildescheim. Reprint of 1938 Madaus.