Date of Award


Document Type


Degree Name

Master of Science

Degree Discipline



It was recognized, many years ago, that certain diseases were due to dietary deficiencies. In recent years considerable research has been directed toward the study of factors which influence the utilization of carotene and vitamin A. Vitamin A was one of the first substances discovered which would cause diseases due to a lack of it in foods. A deficiency of vitamin A results in a number of clinical symptoms j some of the symptoms due to a lack of vitamin A are loss of weight, decreased resistance to infection, and xerophthalmia.

The disease caused by a specific vitamin deficiency can usually be cured by administering substances containing the particular vitamin or provitamin. There are several provitamin A pigments (carotenoids) found in plants. The most active of these pigments, as a precursor for vitamin A, is B-carotene. The following structures of ^3-carotene and vitamin A are those established by Kuhn and Karrer (l) .

Committee Chair/Advisor

E. G. High

Committee Member

Sherman S. Wilson

Committee Member

Sherman S. Wilson


Prairie View Agriculture And Mechanical College


© 2021 Prairie View A & M University

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Date of Digitization


Contributing Institution

John B Coleman Library

City of Publication

Prairie View





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