Wakeman, Nellie A. (Nellie Antoinette) · Madison : University of Wisconsin · leaf 49
Pigments: CnH2n—12 47 Pigments referable to phenyl-dihydro phenyl methane. Phenyl-dihydro phenyl-methane COH CH … A group of yellow pigments, some of them supposedly de- rivatives of the above named hydrocarbon, has been isolated from the berries of Rhamnus cathartica7) These pigments are rham- nocitrin, /^-rhamnocitrin, rhamnochrisin, rhamnolutin and rhamnonigrin. As will be seen from the formula assigned to…
Pigments · Plants
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