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Postharvest deterioration of burnt cane in bundles.

Cox, M. G. S.; Sahadeo, P.;

Proceedings of the Annual Congress - South African Sugar Technologists' Association Year: 1992 Issue: No. 66 Pages: 220-223 Ref: 6 ref.

1992

บทคัดย่อ

Postharvest deterioration of burnt cane in bundles.

Recently attention has been paid to better sugarcane quality as a way of improving the overall performance of the South African sugar industry. SMRI (Durban) pioneered the use of ethanol as an indicator of deterioration, suggesting that each 1000 p.p.m. ethanol on Brix in cane represented a 2-3% relative loss of the sucrose in fresh cane. When this relation was used routinely during the 1991 season at Tongaat-Hulett's factories, queries arose when high ethanol contents accompanied high purities. Further trials, performed at Mount Edgecombe factory in Aug.-Sep. and Nov.-Dec., are reported with tables and graphs. Daily mass losses from large bundles of cane were only 0.4-0.8%, much lower than had been measured in small (<10 kg) bundles, and each 1000 p.p.m. ethanol was associated with a relative sucrose loss of only 0.7-1.0% and a decrease in overall sucrose recovery of 0.10-0.17 units.