A number of pigments are found in the human body, some of which serve important physiological function, while others represent simple waste products or that that their functions are yet obscure. It is difficult to classify pigments on a single scientific basis. They may be classified in many ways, for instance: i. According to the body substance in which they [...]
In this article we will discuss about the isolation of pigments and their characterization. Theory of Plant Pigments: Plant pigments are mostly the colouring substances found either in cell sap (as water-soluble forms, or in the plastids (water-insoluble forms). Normally, the plastidial pigments are responsible for photosynthesis while cell sap pigments are responsible for coloration of floral parts and various [...]
The following points highlight the four main types of pigments found in the blood of animals. The types are: 1. Haemoglobin 2. Haemocyanin 3. Chlorocruorin 4. Haemerythrin. Type # 1. Haemoglobin: A haemoglobin (Hb) molecule is a conjuÂgated protein, because it consists of a simple protein and with a non-protein part. The non-protein part is called prosthetic group. The protein [...]