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 Antiretardation

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
GLUTAMIC-ACID not available Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
L-GLUTAMINE not available Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Oryza sativa Rice 1 0
Pachyrhizus erosus Yambean 1 7, 560
Panax ginseng Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng 1 0
Panax quinquefolius American Ginseng; Ginseng 1 8, 900
Papaver bracteatum Great Scarlet Poppy 1 43, 200
Papaver somniferum Opium Poppy; Poppyseed Poppy 1 97, 426
Perideridia gairdneri Squaw Root 1 12, 319
Persea americana Avocado 1 8, 045
Phaseolus lunatus Butter Bean; Lima Bean 1 67, 640
Phaseolus vulgaris Black Bean; Green Bean; Haricot Bean; Garden Bean; String Bean; Dwarf Bean; Field Bean; Flageolet Bean; French Bean; Kidney Bean; Navy Bean; Pop Bean; Popping Bean; Snap Bean; Wax Bean; Haricot Vert; Haricot 1 1, 891, 964
Phoenix dactylifera Date Palm 1 6, 160
Phyllanthus emblica Emblic; Myrobalan 1 13, 070
Pinellia ternata Ban-Xia; Pan-Hsia 1 0
Pinus edulis Pinyon Pine 1 20, 925
Pinus pinea Italian Stone Pine; Pignolia 1 119, 600
Pistacia vera Pistachio 1 51, 139
Pisum sativum Pea 1 79, 388
Plantago ovata Blond Psyllium; Ispaghula; Spogel Seeds; Psyllium; Indian Plantago 1 0
Portulaca oleracea Purslane; Verdolaga 1 67, 584
Prunus armeniaca Apricot 1 11, 500