Effects of acetolysis on starch granules

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Authors
Dozier, Crystal A.
Perrotti, Angelina G.
Howard, Elayne V.
Advisors
Issue Date
2021-04
Type
Article
Keywords
Palynology , Archaeological starch , Microfossil , Acetolysis , Ancient starch
Research Projects
Organizational Units
Journal Issue
Citation
Dozier, C. A., Perrotti, A. G., & Howard, E. V. (2021). Effects of acetolysis on starch granules. Journal of Archaeological Science: Reports, 36 doi:10.1016/j.jasrep.2021.102818
Abstract

The ability to concurrently analyze multiple microfossils from the same palaeoecological or archaeological sample would allow for faster and multi-evidenced analyses. Most microfossils require chemical processing to become identifiable under different types of microscopy; acetolysis is commonly employed in palynological study. We present the effects of acetolysis on starch-rich elements of four economic taxa. Acetolysis caused slight shrinkage in the average size of starch granules, at statistically significant levels for three of the four taxa explored. The capacity to conduct starch analysis from acetolyzed samples is discussed for archaeological and palaeoecological study.

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Publisher
Elsevier
Journal
Book Title
Series
Journal of Archaeological Science;Vol. 36
PubMed ID
DOI
ISSN
0305-4403
1095-9238
EISSN