Some of them, however, are capable of detoxification of juglone ( and related naphthoquinones ) to non-toxic 1, 4, 5-trihydroxynaphthalene.
22.
The shoots of " D . gigantea " have been found to contain the rare secondary metabolites naphthoquinone, glucosides, droserone, hydroxydroserone, and plumbagin.
23.
It is formally derived from 2, 3-naphthoquinone ( 2, 3-naphtalenedione ) through replacement of all six hydrogen atoms by hydroxyl ( OH ) groups.
24.
There has also been research into the use of red naphthoquinone pigments made by " O . unilateralis " as a dye for food, cosmetic and pharmaceutical manufacturing processes.
25.
In general, the term may mean any naphthoquinone derivative where any number " n " of hydrogens have been replaced by " n " hydroxyls, so that the formula is.
26.
Certain jewelweeds, including the garden jewelweed contain the naphthoquinone lawsone, a dye that is also found in henna ( " Lawsonia inermis " ) and is also the hair coloring and skin coloring agent in mehndi.
27.
""'Streptomyces lateritius " "'is a bacterium species from the genus of " Streptomyces " which has been isolated from soil . " Streptomyces lateritius " produces the naphthoquinone antibiotic granatomycin D.
28.
"' Pyrroloquinoline quinone "'( "'PQQ "') was discovered by J . G . Hauge as the third redox cofactor after nicotinamide and flavin in bacteria ( although he hypothesised that it was naphthoquinone ).
29.
In some areas of Chile, propolis contains viscidone, a terpene from " Baccharis " shrubs, and in Brazil, naphthoquinone epoxide has recently been isolated from red propolis, and prenylated acids such as 4-hydroxy-3, 5-diprenyl cinnamic acid have been documented.
30.
The full IUPAC name is "'1, 4, 5, 6, 7, 8-hexahydroxynaphthalene-2, 3-dione "', but the positions of the hydroxyl groups need not be indicated, since there is no other hexahydroxy derivative of 2, 3-naphthoquinone.
