コムギ系統東北205号の製パン適性に及ぼす収穫時期の影響

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タイトル別名
  • The Effect of Harvest Time on the Baking Quality of Wheat Breeding Line Tohoku 205.
  • コムギ ケイトウ トウホク 205ゴウ ノ セイパン テキセイ ニ オヨボス シュウカク ジキ ノ エイキョウ

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The effect of harvest time on baking quality was investigated with wheat breeding line Tohku205. Grains harvested at 30, 36, 40, 45, and 51 days after anthesis had 46.2, 42.1, 29.4, 22.8 and 25.3% moisture content, respectively. Each grain was dried at 35°C with an air-dry oven until moisture content was 11%. The harvest at 30 days after anthesis had higher flour ash content and lower 1000-grain weight, milling score, sedimentation value, valorimeter value of farinogram, and extensibilty of extensogram, and the ratio of loaf volume to weight compared with the harvest at 40 days after anthesis. Valorimeter value of farinogram of the harvest at 36 days after anthesis decreased, compared with those at 40 days after anthesis. But no consistent change was seen in the other dough characterics and baking quality on the harvest at 36 days after anthesis compared with those at 40 days after. No consistent change was noted in dough and bakin quality of the harvest from 40 to 51 dyas after anthesis. It is concluded that the baking quality of the harvest at 30 days after anthesis was inferior to that at 40 days after, but almost no consistent change in baking quality of the harvest from 36 to 51 days after anthesis was evident.

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