Published online by Cambridge University Press: 03 October 2008
The percentage dry matter of some Nigerian vegetables increases with age. Corchorus olibrius gave the highest yield of vitamin C after five weeks, but the stage of maturity had less effect with other vegetables. The oxalic acid content of Celosea argentea was very high, approaching a lethal level. It appears that some of the vegetables are best at about six weeks from sowing from the standpoint of eating quality, oxalic acid and vitamin C content.
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