Reseda lutea

Both inhibiting and stimulating effects of petroleum substances can be observed. In certain species a shift of their development was also observed. Melilotus alba, Daucus carota. Reseda lutea, Achillea millefolium, etc., bloom either earlier or more generally later in comparison with the same species on adjacent unpolluted areas, the period of blooming being shifted by 14 days. Some of the above-mentioned species can even bloom twice in one vegetation period. 

From the tar residue obtained from a hot-water extract of the over-ground parts of this plant, A-phenyl-j8-naphthylamine was isolated. This amine was also found in Reseda lutea, accompanied by the 1,3-benzoxazine luteanine (48). ... 

M. perennis Reseda lutea Artemisia vulgaris Brassica nigra Sinapis alba... 

Aromatic Amiiio-acids.— Hydroxylation of 3-(3-carboxyphenyl)alanine (39) to give 3-(3-carboxy-4-hydroxyphenyl)alanine (40) has been demonstrated in Reseda lutea and R. odorata. The two amino-acids have been previously shown to be shikimic acid-dcrived. On the basis of experiments in R. lutea... 

Luteolln (3, 4, 5,7-tetrahydroxyflavone C. I. 75590, natural yellow 2). Formula see flavones. CisHioO, Mr 286.23, fine yellow crystals with silk-like luster, mp. 329 °C (decomp.), poorly soluble in water, soluble in alkalis to give deep yellow solutions. The bitter-tasting L. has anticonvulsant activity. L. occurs in leaves, flowers, and stems of dyer s weld Reseda luteola), in the flowers of the yellow foxglove (Digitalis lutea thus also the name digitoflavone for L.), and in other... 

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