Pigments 12 Plant pigments 7 Chemistry 5 Photosynthesis 5 Biochemistry 4 Biotechnology 4 Photosynthetic pigments 4 Plant physiology 4 Pomology and floriculture 4 Dyeing 3 Dyes and dyeing 3 Fish physiology-- Physiology of fishes 3 Horticulture 3 Lipids 3 Polyphenols 3 Agriculture 2 Algae 2 Algae culture 2 Algology 2 Alkaloids 2 Biochemistry-- Biology 2 Biophysical Phenomena 2 Carbohydrates 2 Dyes 2 Enzymes 2 Floriculture and landscaping 2 Food Handling 2 Light-Harvesting Protein Complexes 2 Microalgae 2 Molecular biology 2