Skip to main content

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 Anticold

Select a Results View:

Download these results as:
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 Sort descending Dosage Reference
ASCORBIC-ACID 1-2 g/man/day Duke, 1992 *
PSEUDOEPHEDRINE not available Martindale's 29th
ZINC 50 mg Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Download these results as:
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Sort descending Common Name Chemical Count Total Parts Per Million
Quararibea cordata Chupa-Chupa; Sapote 1 1, 320
Quercus alba White Oak 2 311.40000009536743
Quercus phellos Willow Oak 1 92
Quercus rubra Northern Red Oak 1 155
Quercus stellata Post Oak 1 52
Quercus velutina Black Oak 1 93
Quisqualis indica Rangoon Creeper 1 22
Raphanus sativus Radish 2 21, 182
Rehmannia glutinosa Chinese Foxglove 1 14
Rhamnus cathartica Buckthorn; European Buckthorn 1 0
Rheum palmatum Chinese Rhubarb 1 10
Rheum rhabarbarum Rhubarb 2 4, 460
Rhizophora mangle Red Mangrove 1 43
Rhodymenia palmata Dulse 2 159
Rhus copallina Dwarf Sumac; Winged Sumac 1 448
Rhus glabra Smooth Sumac 1 208
Ribes nigrum Black Currant 2 10, 051
Ribes rubrum Red Currant; White Currant 2 5, 140
Ribes uva-crispa Gooseberry 2 2, 413
Rollinia mucosa Biriba; Lancewood 1 2, 900