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.

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

 ZINC

Download a full report in PDF format
Chemid
ZINC
A list of known dosages for ZINC
Dosage*Reference
RDA=5.5-22 Martindale's 29th
RDA=5-19 mg/day *
PTD=500 mg/day *
Ubiquitous
Yes

Data Views

List of all chemical plants
Click on column headings to sort table by that column
Plant Part Low PPM High PPM StdDev *Reference
Abelmoschus esculentus Fruit 6.0 60.0 0.9 USDA's Ag Handbook 8 and sequelae)
Abelmoschus manihot Leaf 12.5 108.0 0.1 *
Acanthopanax gracilistylis Root Bark -- 19.0 0.4 *
Achillea millefolium Plant -- -- -- *
Achyranthes bidentata Root 16.0 51.0 1.2 *
Aconitum carmichaelii Tuber -- 13.0 -0.8 *
Acorus calamus Rhizome -- -- -- Chen, H.C. and Lin, S.M. 1988. Determination of Mineral Elements in Certain Crude Drugs (Part 1), Kaohsiung J. Med. Sci., 4: 259-272.
Actaea dahurica Rhizome -- 18.0 -0.4 Suziki, A., Morimoto, I., and Okitzu, T., Elution of Metals from Crude Drugs, Shoykugaku Zasshi 36(3):190-195.
Actaea racemosa Root -- -- -- Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
Agathosma betulina Leaf -- 84.0 0.0 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
Akebia quinata Stem -- 10.0 -1.6 *
Albizia julibrissin Bark 7.0 8.0 -0.5 *
Alisma plantago-aquatica Rhizome 54.0 68.0 -0.1 *
Allium ampeloprasum Plant -- -- -- *
Allium cepa Bulb 2.0 53.0 1.4 *
Allium cepa Seed -- 34.0 -0.3 *
Allium sativum var. sativum Bulb -- 15.3 -0.6 *
Allium sativum var. sativum Root -- -- -- *
Alocasia macrorrhiza Root 15.0 51.0 1.2 *
Aloe spp. Leaf -- 1.1 -0.5 *
Show all rows.
*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.