This collection of 48 publications is divided into three main sections: A. Original papers and reviews concerning carbohydrates and nucleotides. B. Original papers and reviews relating to phenolic compounds. C. Edited books. The overlap in topics which occurs in Sections A and B a direct result of the candidate’s interest in the borderline field between the three groups of compounds listed. Publications A1 - A9 are mainly concerned with higher plant polysaccharides and related researches. Prunus gums have been investigated from the points of view of composition, function and biosynthesis. The detailed chemical structures of the polysaccharide moieties have not been emphasized but, instead, certain comparative aspects of the structures of gums arising from different plant tissues. In addition, the minor components of gums have been examined together with the tissues which apparently produce the gums.