Introduction to Pellagrinous Psychosis: Definition and Context Pellagrinous psychosis represents a severe neuropsychiatric syndrome directly resulting from a chronic and profound dietary deficiency of niacin (vitamin B3) or its essential precursor, the amino acid tryptophan. This condition is categorized as a secondary psychiatric disorder, meaning its etiology is rooted in an underlying somatic or nutritional […]
Introduction and Chemical Identity Nicotinic acid, chemically known as pyridine-3-carboxylic acid, constitutes one of the primary forms of Vitamin B3, often collectively referred to as Niacin. This essential micronutrient plays a foundational role in human and mammalian metabolism, acting as a crucial precursor molecule necessary for the synthesis of key coenzymes. While the term Niacin […]
Introduction and Definition of Pellagra Pellagra is a systemic nutritional disorder resulting from a profound deficiency of the B vitamin nicotinic acid, commonly known as niacin or Vitamin B3, or its precursor amino acid, tryptophan. This deficiency leads to widespread cellular dysfunction, particularly affecting tissues with high turnover rates, such as the skin, the gastrointestinal […]