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

 Pyrus communis (Rosaceae)

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Common name(s)
Pear
How used
Food

Data Views

- View the list of ubiquitous chemicals
List of all chemical
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# Activity Chemical Name Part Low PPM High PPM StdDev *Reference
0 4'-DIHYDROPHASEIC-ACID Seed -- -- -- *
0 4-HYDROXYMETHYLPROLINE Fruit -- -- -- *
0 6-O-ACETYLARBUTIN Plant -- -- -- *
3 ABSCISSIC-ACID Seed -- -- -- *
16 ACETIC-ACID Plant -- -- -- *
0 ACETIC-ACID-ISOBUTYL-ESTER Plant -- -- -- *
3 ACETONE Plant -- -- -- *
0 ACETYLARBUTIN Plant -- -- -- *
3 ALANINE Fruit 130.0 803.0 -1.14 *
15 ALPHA-LINOLENIC-ACID Fruit 10.0 62.0 -1.12 *
0 ALPHA-PYRUFURAN Plant -- -- -- *
32 ALPHA-TOCOPHEROL Fruit 0.6 31.0 -0.64 *
5 ALUMINUM Fruit 1.0 105.0 -0.19 *
8 AMYGDALIN Seed -- -- -- *
15 ARBUTIN Plant -- -- -- *
14 ARGININE Fruit 70.0 432.0 -1.03 *
2 ARSENIC Fruit 0.0 0.1 -0.46 *
112 ASCORBIC-ACID Fruit 40.0 250.0 -0.27 *
0 ASH Fruit 2720.0 40000.0 -0.43 *
3 ASPARTIC-ACID Fruit 770.0 4756.0 -0.71 *
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*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.