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Chemical, physical and morphometric properties of peruvian carrot (Arracacia xanthorrhiza B.) starch
Pérez, Elevina E; Borneo, Rafael; Melito, Carmelo G; Tovar, Jucelino.
  • Pérez, Elevina E; Universidad Central de Venezuela. Facultad de Ciencias. Instituto de Ciencia y Tecnología de Alimentos.
  • Borneo, Rafael; Universidad Central de Venezuela. Facultad de Ciencias. Instituto de Ciencia y Tecnología de Alimentos.
  • Melito, Carmelo G; Universidad Central de Venezuela. Facultad de Ciencias. Instituto de Biología Experimental.
  • Tovar, Jucelino; Universidad Central de Venezuela. Facultad de Ciencias. Instituto de Biología Experimental.
Acta cient. venez ; 50(4): 240-4, 1999. ilus, tab, graf
Article in English | LILACS | ID: lil-262032
ABSTRACT
Starch was isolated from Peruvian carrot (PC) -or arracacha- (Arracacia xanthorhiza B.) roots. Its chemical, physical, physicochemical and granular structural properties were compared to those of commercial cassava starch. Scanning electron microscopy revealed a granular size for PC starch ranging between 4 and 26 mum in diameter, with spherical and truncated-egg shapes. PC and cassava starches were similar regarding gross chemical composition and basic physical characteristics but differed in pasting properties, with PC starch showing lower breakdown and consistency indices. The two starches also showed different water absorpption and solubility patterns.
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Index: LILACS (Americas) Main subject: Starch / Daucus carota / Liliaceae Language: English Journal: Acta cient. venez Journal subject: Science Year: 1999 Type: Article / Project document

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Index: LILACS (Americas) Main subject: Starch / Daucus carota / Liliaceae Language: English Journal: Acta cient. venez Journal subject: Science Year: 1999 Type: Article / Project document