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Studies on Starch Isolated from the Fruits of Annona reticulata (Ramphal)
Author(s) -
Harshe S. N.,
Bhagwat M. S.
Publication year - 1976
Publication title -
starch ‐ stärke
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.62
H-Index - 82
eISSN - 1521-379X
pISSN - 0038-9056
DOI - 10.1002/star.19760280802
Subject(s) - annona , starch , pulp (tooth) , sodium hydroxide , chemistry , corn starch , hydrolysis , food science , botany , organic chemistry , biology , annonaceae , medicine , pathology
Pulp of Annona reticulata fruits yields about 19% starch. Purification of the crude products was achieved by treatment with sodium hydroxide to remove the other ingredients. The presence of starch was confirmed by treatment with amylolytic enzymes. Microscopic techniques were used to characterize the granular characteristics of the starch. Viscosity data of the purified starch indicate that the starch isolated from the pulp has paste characteristics comparable with those of corn starch. Results of the acid and enzymic hydrolysis of the fibrous material suggest the cellulosic nature of the residual material.