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Dryophanta divisa

Purpurogallin (= 2,3,4,6-Tetrahydroxy-5H-benzocyclohepten-5-one) (bicyclic phenolic) Dryophanta divisa gall on Quercus pedunculata (Fagaceae) PEP (16 pM) [119]... [Pg.589]

Dryophanta divisa gall on Quercus pedunculata (Fagaceae)... [Pg.588]

Diglucoside, C H Om, dryophantin. Coloring matter of red pea" gal] produced by Dryophanta divisa Aid. on Querent peduncubuu Ehrh., Fagaceae Nierenstein. 1. Chem. Soc. 115, 1328 (1919) Nierenstein, Swanton, Biochem. J. 38, 373 (1944). Dark red needles with bronze luster, mp 220-221. ... [Pg.1264]

Occurs in gall of Dryophanta divisa as glycoside. Used as 5mM soln. in dioxan or 0.0 IM soln. in EtOH for photometric detn. of Zr and Ge (2, 340 nm, e 34200). Used for gravimetric detn. of Ce, Mo, Th, Zr. Yellow or dark-red needles (AcOH). Mp 274° (rapid heating). Dec. without melting when slowly heated. [Pg.814]

See other pages where Dryophanta divisa is mentioned: [Pg.329]    [Pg.545]    [Pg.329]    [Pg.545]   
See also in sourсe #XX -- [ Pg.29 , Pg.589 ]



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