Amino Acids of the Green Alga Ulva. I. Protein Hydrolyzates

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Abstract
Amino acid composition in protein hydrolyzates of 5 spp. of Ulva, U. fasciata, U. lactuca, U. profunda, U. rigida and U. stenophylla from different parts of Saurashtra coast were studed. Two dimensional paper chromatography technique was used for separation and estimation of compounds. Tryptophan was estimated by direct colorimetric method. In all, 21 amino acids are detected and estimated. Qualitatively very little changes are observed in the protein hydrolyzates, but quantitative changes are quite significant. Aspartic acid is a dominant compound. Rare compounds like ornithine and .gamma.-aminobutyric acid were estimated. Cysteic acid and tryptophan are for the first time estimated in Indian marine green algae.

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