The disease was pellagra, a word with Italian roots, meaning sour or rough skin, a reference to the dermatitis that is one of the hallmarks of the disease. Pellagra, we know today, is a nutritional deficiency disease, caused by diets poor in niacin (or its equivalent, nicotinamide).Niacin was the third of the B complex vitamins to be identified and so was given the designation âvitamin B 3 â. Niacin is critically important for essentially every cell in our bodies.ellagra, we know today, is a nutritional deficiency disease, caused by diets poor in niacin (or its equivalent, nicotinamide). Niacin was the third of the B complex vitamins to be identified and so was given the designation âvitamin B 3 â. Niacin is critically important for essentially every cell in our bodies.
A business process is a collection of activities designed to produce a specific output for a particular. customer or market. It implies a strong emphasis on how the w ork is done within and organization, in contrast to a product's focus on what. A process is thus a specific ordering of work activities.
Business Processes can be modeled through a large number of methods and techniques. For instance, the Business Process Modeling Notation is a Business Process Modeling technique that can be used for drawing business processes in a workflow.here are three types of business processes 1  : Management processes, the processes that govern the operation of a system. 2  Operational processes, processes that constitute the core business and create the primary value stream. 3  Supporting processes, which support the core processes.