Drtermination on Crystallinity of Acorn Strarch in Multi-Crystal system

Abstract

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

XIE Bi-Xia, XIE Tao. Drtermination on Crystallinity of Acorn Strarch in Multi-Crystal system[J]. FOOD SCIENCE, 2004, 25(1): 56-58.

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Drtermination on Crystallinity of Acorn Strarch in Multi-Crystal system

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