Abstract
About 500 plant species from various regions of the United States have been screened previously at the USDA Northern Regional Research Center for their multipurpose, energy-producing potential. Most collections have been from the rich flora of central Illinois. For this report, 92 additional species were collected from southern Illinois and evaluated by criteria previously established at this Center. Plant samples were analyzed for “oil,” “polyphenol,” “hydrocarbon,” and protein. Oil fractions of selected species were analyzed for classes of lipid constituents and were saponified to determine yields of unsaponifiable matter and fatty acids. Hydrocarbon fractions of selected species were analyzed for rubber, gutta, and waxes. Average molecular weight and molecular weight distribution of rubber and gutta were determined. of the 92 species, complete analytical data are presented for 16 selected species. Substantial quantities of oil were obtained fromPhiladelphias coronarius (5.0%; dry, ash-free sample basis),Cacalia muhlenbergii (4.1%),Lindera benzoin (4.1 %), andKoelreuteria paniculata (4.0%). High yields of polyphenol were obtained fromAcer ginnala (33.1%),Cornus obliqua (20.8%), andSalix caprea (20.0%). Maximum yields of hydrocarbon and protein were fromElymus virginicus (0.6%) andLindera benzoin (11.1%), respectively. Data are discussed with respect to species previously analyzed at this Center.
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Carr, M.E. Plant species evaluated for new crop potential. Econ Bot 39, 336–345 (1985). https://doi.org/10.1007/BF02858804
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DOI: https://doi.org/10.1007/BF02858804