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
  1. Home
  2. NO-Inhibitor

NO-Inhibitor

Select a Results View:

Download these results as:
CSV
EXCEL
PDF
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
(+)-CATECHIN IC11=250 uM *
AJOENE IC50=2.5-5 uM *
ALLICIN IC50=2.5-5 uM *
ANDROGRAPHOLIDE IC50=36 uM *
BOLDINE *
BROUSSOCHALCONE-A *
CITRAL *
CURCUMIN *
DELPHINIDIN IC78=250 uM *
DIOSMETIN EC50=19 uM *
EMODIN IC50=60.7 uM *
EPICATECHIN *
GALLIC-ACID IC-26=250 uM *
GAMMA-TOCOPHEROL *
INDOLE-3-CARBINOL *
KAEMPFEROL IC50=13.9 uM *
LUTEOLIN *
QUERCETIN IC50=20 uM *
QUERCETIN IC>50=125 uM *
TOCOPHEROL *
Download these results as:
CSV
EXCEL
PDF
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Harpagophytum procumbens Devil's Claw; Grapple Plant 2 0
Helianthemum glomeratum 1 0
Helianthus annuus Sunflower; Girasol 4 70, 494
Hibiscus rosa-sinensis Chinese hibiscus; Shoe-flower 1 0
Hibiscus sabdariffa Roselle; Indian Sorrel; Jamaica Sorrel; Kharkadi; Red Sorrel; Sorrel; Malventee (Ger.); Rosella (Ger.); Acedera de Guinea (Sp.); Rosa de Jamaica (Sp.); Sereni (Sp.) 3 16, 390
Hippophae rhamnoides Sallow Thorn; Sea Buckthorn; Yellow Spine 2 0
Holarrhena pubescens Tellicherry Bark; Zhi Xie Mu; Conessi; Kurchi 2 0
Hordeum vulgare Barley; Barleygrass 1 0
Houttuynia cordata Fishwort; Dokudami; Yu Xing Cao 1 0
Humulus lupulus Hops 6 0
Hura crepitans Sandbox Tree 1 0
Hydnocarpus wightiana Hindi Chaulmoogra 1 0
Hydrangea arborescens Smooth Hydrangea; Hydrangea 2 0
Hypericum perforatum Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed 6 210, 000
Hyssopus officinalis Hyssop 1 0
Inula helenium Elecampane 1 0
Ipomoea aquatica Swamp Cabbage; Water Spinach 1 2, 360
Ipomoea batatas Sweet Potato 2 121
Isatis tinctoria Dyer's Woad 2 0
Juglans nigra Black Walnut 3 180