Carotenoid profile and tannin content of some cassava cultivars
1993
Adewusi, S.R.A. | Bradbury, J.H.
The carotenoid content of cassava leaves and tubers has been determined by open column chromatography. Mature leaves contain more carotenoids than immature leaves. Lutein is present in the greatest amount (86-239) followed by beta-carotene (13-78 mg/kg FW) with small amounts of carotene and beta-cryptoxanthin in some cases. With cassava tubers, the content of beta-carotene (0.1-14) exceeded that of lutein (0.1-0.5 mg/kg FW) with only traces of other carotenoids present. A deep yellow cultivar (V-2) from Vanuatu gave the highest amount and would be useful for further genetic studies. The content of tannin and iron binding phenolics in cassava leaves showed a range of values with Ceiba and SM1-150 having a low content. SM1-150 cultivar is useful because of the low cyanide and average carotenoid content of its tubers and the high carotenoid and low tannin content of its leaves
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