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

Plant Pyrus communis (Rosaceae)

Common Names
Pear
How this plant is used
Food

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View the list of ubiquitous chemicals
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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
4'-DIHYDROPHASEIC-ACID 0 Seed *
4-HYDROXYMETHYLPROLINE 0 Fruit *
6-O-ACETYLARBUTIN 0 Plant *
ABSCISSIC-ACID 3 Seed *
ACETIC-ACID 16 Plant *
ACETIC-ACID-ISOBUTYL-ESTER 0 Plant *
ACETONE 3 Plant *
ACETYLARBUTIN 0 Plant *
ALANINE 3 Fruit 130.0 803.0 -1.14 *
ALPHA-LINOLENIC-ACID 15 Fruit 10.0 62.0 -1.12 *
ALPHA-PYRUFURAN 0 Plant *
ALPHA-TOCOPHEROL 32 Fruit 0.6 31.0 -0.64 *
ALUMINUM 5 Fruit 1.0 105.0 -0.19 *
AMYGDALIN 8 Seed *
ARBUTIN 15 Plant *
ARGININE 14 Fruit 70.0 432.0 -1.03 *
ARSENIC 2 Fruit 0.0 0.1 -0.46 *
ASCORBIC-ACID 112 Fruit 40.0 250.0 -0.27 *
ASH 0 Fruit 2720.0 40000.0 -0.43 *
ASPARTIC-ACID 3 Fruit 770.0 4756.0 -0.71 *
View the list of ubiquitous chemicals
Download these results as:
CSV
XLSX
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
Ulcerogenic 1 (View) HerbalGram No. 20, page 9.
Uricosuric 3 (View) Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Urinary-Acidulant 1 (View) Martindale's 29th
Urinary-Antiseptic 1 (View) Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Urine-Acidifier 1 (View) Martindale's 28th
Urine-Deodorant 1 (View) Martindale's 29th
Uterorelaxant 1 (View) Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Vasodilator 9 (View) *
Vasopressor 1 (View) *
VEGF-Inhibitor 2 (View) *
Verrucolytic 1 (View) *
Vulnerary 3 (View) Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Xanthine-Oxidase-Inhibitor 5 (View) *