Survey of Grain Quality of Philippine Farmers’ Specialty Rices
作者: Arvin Paul P. Tuano Loida M. Perez Thelma F. Padolina Bienvenido O. Juliano
刊名: The Philippine Agricultural Scientist, 2015, Vol.98 (4)
来源数据库: College of Agriculture, University of the Philippines Los Baños
关键词: alkali spreading valueAmylograph pasting viscosityapparent amylose contentcrack resistancefragrance geneInstron cooked rice hardnessmilled rice lengthmilling qualitypercent chalky grainsRVA pasting viscosityspecialty ricestarch synt
原始语种摘要: Specialty lowland and upland rices (n = 229) collected from Filipino farmers in 2009–2012 had long-, medium- and short-sized grains. Of these, 108 had intermediate apparent amylose content (AC), 80 had low AC, 26 had high AC and 15 were waxy (mean AC 17.7%). They had mainly intermediate–high gelatinization temperature (GT) by alkali spreading value. High GT was predominant among low-AC specialty rices, instead of low GT. However, the cultivars did not exhibit high milled rice translucency (only 10 had 0–2% chalky grains) and crack (fissure) resistance needed for high head rice recovery required of export quality rice. Only 50 of 225 rices had the 8-base pair deletion at exon 7 of the fragrance gene although many of the rices were aromatic. Alleles of the Waxy (Wx) gene were determined in...
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关键词翻译
关键词翻译
  • Grain 谷物
  • Philippine 菲律宾(人)的菲律宾人
  • amylose 直链淀粉
  • grains 谷粒
  • chalky 白垩的
  • alleles 对立形质
  • lowland 低地
  • gelatinization 煤化
  • upland 高地
  • milled 磨碎了的