The development of beta-glucanase and degradation of beta-glucan in barley grown in Scotland and Spain

被引:24
作者
Ellis, RP
Swanston, JS
Rubio, A
PerezVendrell, AM
Romagosa, I
MolinaCano, JL
机构
[1] LA MORAVIA DAMM,LLEIDA,SPAIN
[2] IRTA,CTR MAS BOVE,REUS,SPAIN
[3] IRTA,CTR UDL,LLEIDA,SPAIN
关键词
barley; beta-glucan; malting; genotype with environment interaction;
D O I
10.1006/jcrs.1996.0105
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The barley mutant TR49 and the cultivar from which it was derived, Troubadour, were grown n in Scotland and Spain and harvested in 1991 and 1992. The development of beta-glucanase together with the breakdown of beta-glucan and the reduction in milling energy were followed during malting. While similar amounts of beta-glucan were found in samples from both sites, TR49 showed less response to environmental conditions. Grain from Spain showed higher levels of beta-glucanase activity, differences being apparent after steeping and 1-2 days of germination. The milling energy of grain was the same, but, during malting, samples from Spain showed a greater reduction in milling energy than those fr om Scotland. The most extreme environment in the study was the 1991 season at the Spanish site and was the driest and hottest. But even in the cooler, wetter season of 1992, Spanish grown material showed a greater production of beta-glucanase than Scottish grown samples. These findings have important implications for plant breeding as well as the growing and trading of malting barley on a European scale. (C) 1997 Academic Press Limited.
引用
收藏
页码:75 / 82
页数:8
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