juglone


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juglone

naphthoquinone resinoid from Juglans nigra.
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L1 stage worms were treated with EPs7630[R] (40, 50,100 [micro]g/ml) dissolved in water for 48 h, followed by addition of 20 [micro]M juglone to the medium for 24 h.
Selective inactivation of parvulin like peptidyl-prolyl cis/trans isomerases by juglone.
Juglone (5-hydroxy-1,4-naphthalenedione, or 5-hydroxy1,4-naphthoquinone) occurs naturally in the leaves, roots, and bark of plants in the Juglandaceae family, particularly black walnut (Juglans nigra).
Not all plants are sensitive to juglone, however, and many trees, vines, shrubs, groundcovers, annuals, and perennials happily grow in close proximity to walnuts.
We attempted to ascertain the effects of anthraquinone and its sodium salt, Phloxine-B, erythrocin-B, fluorencein, 4-phenylazofluorescein, juglone and Phloxine-B associated to an azo group.
It is capable of poisoning neighboring trees and shrubs, particularly fruit trees (including its own offspring) with a substance called juglone in its roots.
A variety of the naphthoquinones that occur naturally, such as lapachol, [alpha]-lapachone, [beta]-lapachone, juglone, and publagin, obtained from plant extracts, have prompted an increasing interest to researchers around the world due to their large structural diversity and biological activities.
The pharmacological compounds of this tree include: Fatty oil, Tannins, Juglone and Juglandis folium.
Color changes of sapwood walnut (hybrid MJ209xRA) by Tannins (Tara) and Juglone during steaming process.
Many plants will not grow in soil with juglone in it; especially tomatoes and other members of the nightshade family.
Affected plants growing near walnuts are exposed to juglone," John Hartman, plant pathologist for the University of Kentucky College of Agriculture, said.
They evaluated germination and growth of alfalfa (Medicago sativa), annual ryegrass (Lolium multiflorum), and velvetleaf (Abutilon theophrasti) against known allelochemicals such as cinmethylin, coumarin, plumbagin, nigericin, juglone, and trans-cinnamaldehyde.