查詢結果分析
來源資料
頁籤選單縮合
題 名 | 水稻品種內穀粒比重與米質理化性變異之研究 |
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作 者 | 吳志文; 吳詩都; 曾富生; | 書刊名 | 中華農學會報 |
卷 期 | 166 1994.06[民83.06] |
頁 次 | 頁16-26 |
分類號 | 434.111 |
關鍵詞 | 水稻; 穀粒比重; 米質理化性; Rice; Grain specific gravity; Physical-chemical property; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以秈稻品種臺中秈3號、臺中秈17號及稉稻品種臺農70號、臺中190號,於1989年二期作及1990年一期作調查品種內穀粒比重的變異及其與米質理化性、糙米外觀之關係。一般二期作穀粒比重的變異比一期作大,但臺農70在二期作則有較均一的趨勢。四個參試品種在一期作時,其穀粒比重皆與直鏈性澱粉含量成顯著正相關;除臺中秈17號外,膠體展留度也呈顯著正相關。各品種之粗蛋白含量在二個期作中皆與穀粒比重呈負相關。良質米推薦品種臺農70號一期作之穀粒比重與米飯硬度呈顯著負相關;而與黏度、均衡度及附著性則呈顯著正相關。同時穀粒比重與糙米之整粒率有呈正相關的趨勢,但與碎粒率、未熟粒率及被害粒率則呈負相關。 |
英文摘要 | Four rice varieties, including two Indica (Taiching Sen 3, Taichung Sen 17) and two Japonica (Tainung 70, Taichung 190) type were used to investigate the variation of grain specific gravity, as well as the correlation between the specific gravity and other physical-chemical properties of grain quality. The materials were grown at Taichung in the second crop of 1989 and the first crop of 1990. Generally, variation of grain specific gravity in second crop was higher than first crop, in addition to Tainung 70 has the more uniform tendency in two crop. The data indicated that significantly positive correlation between grain specific gravity and amylase content for each variety in first crop, the gel consistency has the same situation except Taichung Sen 17. It showed the negative correlation between grain specific gravity and crude protein content in two crops. The variety of good eating quality, Tainugn 70, showed significantly negative correlation between grain specific gravity and hardness, but significantly positive correlation between grain specific gravity and viscousness, balance, adhesiveness of cooked rice. The same as, all of the varieties showed the tendency of positive relationship between grain specific gravity and whole kernel (%), but the negative relationship with broken kernel (%), unmatured kernel (%) and damaged kernel (%) of brown rice. |
本系統中英文摘要資訊取自各篇刊載內容。