Apm. Bay et al., EFFECT OF MOISTURE-CONTENT ON COMPRESSIVE STRENGTH OF WHOLE SNAP BEAN(PHASEOLUS-VULGARIS L) SEEDS AND SEPARATED COTYLEDONS, International journal of food science & technology, 31(4), 1996, pp. 327-331
The compressive strength and force of three cultivars of whole snap be
an (Phaseolus vulgaris L.) seeds and cotyledon sections were measured
over a range of water activity from 0.45 to 0.65 in 0.1 increments. Co
mpressive strength was measured with a flat platen for whole bean comp
ression and with a 1 mm diameter cylindrical probe for cotyledon stren
gth tests, At high moisture content seeds had a plastic behaviour. The
compressive force for seed breakage increased with increasing moistur
e content, and the breeding line NY537-Dark was the most resistant to
fracture. Cotyledon compression strength decreased with increasing moi
sture content regardless of seed coat presence.