The work has identified condensed tannin (CT) as occurring in cottonseed hulls but not in cottonseed kernels. Approximately 20% of the CT in cottonseed hulls is extractable and 80% is bound to protein and fibre.

A three year investigation is being undertaken at Massey University to study the effect of condensed tannins, heat and solvent extraction upon the nutritive value of cottonseed meal for ruminant and monogastric farm a