Research Article
Qualitative and Quantitative Determination of Phytochemical Contents of Indigenous Nigerian Softwoods
Table 2
Table of the qualitative determination of the phytochemical components of Nigerian softwoods.
| S/N | Wood sample (botanical name) | Alkaloids | Flavonoids | Glycoside | Phlobatannins | Tannins | Terpenoids | Saponins | Steroids |
| 1 | Monodora tenuifolia | ++ | + | ++ | − | ++ | + | + | ++ | 2 | Moringa oleifera | ++ | ++ | +++ | − | ++ | + | + | +++ | 3 | Protea elliottii | + | + | ++ | − | +++ | + | − | ++ | 4 | Barteria nigritiana | + | +++ | ++ | − | ++ | − | − | +++ | 5 | Anogeissus leiocarpus | + | + | − | − | ++ | + | +++ | +++ | 6 | Allanblackia floribunda | + | + | ++ | − | − | ++ | ++ | +++ | 7 | Glyphaea brevis | + | + | ++ | − | +++ | + | + | + | 8 | Sterculia oblonga | ++ | − | ++ | − | ++ | + | + | − | 9 | Uapaca guineensis | + | ++ | ++ | − | +++ | ++ | + | − | 10 | Amphimas pterocarpoides | ++ | + | ++ | − | ++ | + | + | − | 11 | Albizia adianthifolia | + | + | + | − | +++ | − | + | +++ | 12 | Dichapetalum barteri | + | + | ++ | − | +++ | + | + | − | 13 | Afzelia bipindensis | + | + | +++ | − | ++ | ++ | ++ | +++ | 14 | Afzelia bella | + | + | + | − | +++ | − | ++ | + | 15 | Dichrostachys cinerea | + | + | ++ | − | + | + | +++ | − | 16 | Pentaclethra macrophylla | + | + | ++ | − | − | − | + | +++ | 17 | Tetrapleura tetraptera | + | + | +++ | − | +++ | + | + | ++ | 18 | Afrormosia laxiflora | + | + | ++ | − | + | + | +++ | − | 19 | Sacoglottis gabonensis | + | + | ++ | − | + | + | +++ | − | 20 | Cassipourea barteri | + | + | ++ | − | − | − | + | +++ | 21 | Combretodendron macrocarpum | + | + | +++ | − | +++ | + | + | ++ | 22 | Cordia millenii | + | + | +++ | − | +++ | + | + | ++ | 23 | Khaya ivorensis | + | + | ++ | − | + | + | +++ | − |
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Heavily present: +++; slightly present: ++; present: +; absent: −.
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