The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Determination of Hydrolyzable Tannins (Gallotannins and Ellagitannins) after Reaction with Potassium Iodate
Abstract
A widely used method for analyzing hydrolyzable tannins afer reaction with KIO(3) has been modified to include a methanolysis step followed by oxidation with KIO(3). In the new method, hydrolyzable tannins (gallotannins and ellagitannins) are reacted at 85 degrees C for 20 h in methanol/sulfuric acid to quantitatively release methyl gallate. Dried plant samples can be methanolyzed under the same conditions to convert hydrolyzable tannins to methyl gallate. Oxidation of the methyl gallate by KIO(3) at pH 5.5, 30 degrees C, forms a chromophore with lambda(max) 525 nm, which is determined spectrophotometrically. The detection limit of the method is 1.5 microg of methyl gallate, and with plant samples, relative standard deviations of less than 3% were obtained.
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Cites
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Stewart, E. K., Beauchemin, K. A., Dai, X., MacAdam, J. W., Christensen, R. G., & Villalba, J. J. (2019) · Journal of Animal Science · doi:10.1093/jas/skz206 · Cited by 78
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Rira, M., Morgavi, D. P., Genestoux, L., Djibiri, S., Sekhri, I., & Doreau, M. (2019) · Journal of Animal Science · doi:10.1093/jas/skz199 · Cited by 28
Metadata
- Authors
- Hartzfeld, P. W., Forkner, R., Hunter, M. D., & Hagerman, A. E.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-02-13
- Volume
- 50
- Issue
- 7
- Pages
- 1785-1790
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2059663022
- Cited by
- 320
- References
- 18
- FWCI
- 3.37
- Type
- journal article
- Language
- en
- Open access
- closed
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