Spice samples | Extraction yield (%)* | Physical aspect | Phytochemical composition | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Alkaloids | Anthocyanins | Anthraquinons | Flavonoids | Phenols | Saponins | Sterols | Tannins | Triterpenes | |||
Aframomum citratum | 2.6 | Oily, dark green | + | - | - | + | + | - | - | + | + |
Aframomum melegueta | 7.3 | Brown powder | + | - | - | - | - | + | - | - | + |
Cinnamomum zeylanicum | 8.4 | Oily, dark green | + | - | - | + | + | - | + | + | - |
Dorstenia psilurus | 10.3 | Oily, brown | + | + | + | + | + | + | - | + | + |
Fagara leuprieurii | 26.2 | Creamy, brown | + | - | + | + | + | - | - | + | + |
Imperata cylindricum | 8.2 | Creamy, brown | + | + | + | + | + | - | - | - | + |
Monodora myristica | 23.5 | Oily, brown | + | - | + | + | + | - | - | - | + |
Pentadiplandra brazzeana | 4.6 | Creamy, brown | + | - | - | + | + | - | - | - | - |
Piper guineense | 17.5 | Creamy, brown | + | - | + | + | + | - | - | - | - |
Scorodophloeus zenkeri | 9.2 | Creamy, dark green | + | - | - | + | + | - | - | + | - |
Tetrapleura tetraptera | 29.4 | brown | + | - | + | + | + | + | - | + | + |