Abstract
Abstract An approximate analytical method is described for the rapid routine determination of carbohydrates and lignin in herbage. Dried milled samples are extracted successively with diethyl ether, 0.5% ammonium oxalate solution, N ‐H 2 SO 4 , and 72% H 2 SO 4 . Soluble carbohydrates in the ammonium oxalate extract are determined with anthrone, and hydrolysed pentosans and hexosans in the combined N ‐H 2 SO 4 and 72% H 2 SO 4 extracts are determined with aniline acetate and chromotropic acid respectively. The method gives a maximum variation of 4% from the mean of duplicates with each carbohydrate component. The residual material is ashed to obtain crude lignin, and a nitrogen correction applied.
Keywords
LigninChemistryAmmonium oxalateAnthroneHydrolysisAmmonium acetateOxalateChromatographyCarbohydrateEtherAmmoniumAnilineNitrogenAcid hydrolysisOrganic chemistry
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Publication Info
- Year
- 1961
- Type
- article
- Volume
- 12
- Issue
- 2
- Pages
- 152-160
- Citations
- 246
- Access
- Closed
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Cite This
R. E. Deriaz
(1961).
Routine analysis of carbohydrates and lignin in herbage.
Journal of the Science of Food and Agriculture
, 12
(2)
, 152-160.
https://doi.org/10.1002/jsfa.2740120210
Identifiers
- DOI
- 10.1002/jsfa.2740120210