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The utilization of carbohydrates of seaweed by rumen microflora in vitro
Author(s) -
McNaught M. L.,
Smith J. A. B.,
Black W. A. P.
Publication year - 1954
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740050709
Subject(s) - laminarin , ascophyllum , rumen , maltose , frond , algae , food science , chemistry , botany , carbohydrate , laminaria , biology , biochemistry , polysaccharide , sucrose , fermentation
Tests have been made to determine whether some of the carbohydrates of the brown algae and of dried milled samples of Laminaria cloustoni and Ascophyllum nodosum can be utilized by the mixed microflora of the bovine rumen when incubated in rumen liquid for 4 h. at 39°. The conversion of non‐protein nitrogen into protein and changes in pH were used as indications of utilization. Of the various products that were tested, only laminarin and the frond of L. cloustoni , which contains laminarin, promoted the type of vigorous activity obtained under the same conditions with maltose.