Encyclopedia of Nutritional Psychology

Glycoproteins are molecules composed of carbohydrates and proteins. Mucin, for example, is a type of glycoprotein that gives the mucus layer a gel-like consistency.

The term "gnotobiotic" refers to the study of organisms inoculated in a carefully controlled environment containing one or a few types of organisms to observe their influence on the body…

Gram-staining is a traditional laboratory technique used to rapidly classify bacterial species into two broad categories: gram-positive and gram-negative, according to their type of cell wall.

Gram-negative bacteria contain outer and inner cell membranes and create pink color colonies upon gram-staining. Most of the gram-negative bacterial species are pathogenic due to the presence of lipopolysaccharides (LPS)…

Gram-positive bacteria do not express LPS and have no outer lipid layer except the thick peptidoglycan layer, which gives purple colonies upon gram-staining. Gram-positive bacteria reside in our gut and…

Gray matter is a type of neural tissue found in the brain and spinal cord that appears grayish in color. It primarily consists of the cell bodies of neurons and…

The theory proposed in the late 1970s and early 1980s by Jeffrey Gray postulates that people differ in how sensitive they are to rewards and punishments. It is one of…

Green spaces refer to areas within urban or rural environments that are primarily covered by vegetation, such as parks, gardens, forests, and natural reserves. These spaces provide numerous environmental, social,…

A short-hand way of referring to the gastrointestinal system. In this course, this term most commonly refers to the large intestine and the microbiota inhabiting it.

Gut microbiota is a complex community of microorganisms residing in the digestive tract. It plays a crucial role in digestion, nutrient absorption, immune function, and mental health. A diverse and…