食品科学 ›› 2004, Vol. 25 ›› Issue (1): 56-58.

• 基础研究 • 上一篇    下一篇

橡实淀粉多晶体系结晶度测定

 谢碧霞, 谢涛   

  1. 中南林学院资源与环境学院
  • 出版日期:2004-01-15 发布日期:2011-10-24

Drtermination on Crystallinity of Acorn Strarch in Multi-Crystal system

 XIE  Bi-Xia, XIE  Tao   

  1. College of Resources and Environment of CSFU
  • Online:2004-01-15 Published:2011-10-24

摘要: 运用广角X-射线衍射分析方法对橡实淀粉的结晶结构进行了系统研究,结果表明:橡实淀粉粒是一种由非晶相、亚微晶相和微晶相三种结构所组成的多晶体系,其结晶度分别为锥栗淀粉34.88%、茅栗淀粉35.12%、小红拷淀粉35.23%、栓皮栎淀粉35.31%、硬斗石栋淀粉33.53%、星毛石砾淀粉34.69%、美叶石栋淀粉35.06%、长叶石烁淀粉31.58%、云山青冈淀粉33.83%、大叶青冈淀粉32.11%。

关键词: 橡实淀粉, 多晶体系, 结晶度, X-射线衍射

Abstract: In this paper the crystalline structure of acorn starch granules were studied by means of X-ray diffraction examination.The results indicated that acorn starch granule was a kind of multl-crystal system made from crystal, sub-crystal andnon-crystal,and that the crystallinities were 34.88% of castanea henryi starch, 35.12% of castanea seguinii starch, 35.23%of castanopsiscarlesii starch, 35.31% of quercus variabilis starch, 33.53% of lithocarpus hancei starch, 34.69% of lithocarpus petetii starch,35.06% of lithocarpus calophylla starch, 31.58% of lithocarpus henryi starch, 33.83% of cyclobalanopsis nubium starch and32.11% of cyclobalanopsis jenseniana starch, respectively.

Key words: acom starch, multi-crystal system, crystallinity, X-ray diffraction