Carotenoids Other Than Vitamin A-III represents the plenary lectures presented at the Third International Symposium on Carotenoids other than Vitamin A held at Cluj, Romania in September 1972. The book is a collection of lecture papers on a wide range of topic concerning carotenoids. Several papers deal with such topics as carotene biosynthesis in fungi, studies of carotenoid biosynthesis in bacteria, and an investigation of the violaxanthin cycle. The text also contains research papers focusing on photoregulated carotenoid biosynthesis in non-photosynthetic microorganisms, structure of carotenoids, and studies on carotenoids and related compounds. Chemists and pharmacologists will find the book insightful and interesting.