Abstract
Seeds, leaves and stems of Cola acuminata (P. Beauv.) Schott and Cola nitida (Vent) Schott and Endl. Were oven-dried at 60oC for 24 hours and standard analytical laboratory methods were used for proximate and phytochemical tests. Sterols and triterpenes were absent in all the parts of the two species. Starch was absent in the leaves of Cola acuminata and C. nitida. Trace amount of hydrogen cyanide was only detected in the seed of C. acuminata. Alkaloid, flavonoid, saponin, tannin as well as high level of protein and minerals were found in all the parts of the two species in varying concentrations. Seed of C. acuminata has higher alkaloid content (0.26+0.11%) and as a result could have a higher stimulating property. These chemical characters could be considered as additional characters in delimitation of the two species as well as proper placement of the family, Sterculiaceae.
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