Carbohydrates

Chapter 4 Carbohydrates section. Explains the chapter and lecture notes

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What are the different types of carbohydrates?
CarbohydratesSimple CarbohydratesComplex carbohydratesDietary fibers
Carbohydrates
Organic compounds that contain carbon, hydrogen, and oxygen in various combinations.
Simply Carbohydrates
Are known as sugars, can be divided into two categories: disaccharides and monosaccharides .
Three major monosaccharides
GlucoseFructoseGalactose
Disaccharides
Combination of two monosaccharides (maltose, lactose, and sucrose)
Complex carbohydrates
Generaly formed when three or more glucose molecules combine. Commonly known as starches and also known as polysaccharides.
Glucose Polymers
Are polysaccarhides prepared commercially by controlled hydrolysis of starch
Dietary Fiber
Consists of non-digestible carbohydrates and lignin that are intrinsic and intact in plants. Definition includes accompanying phytochemicals
Functional Fiber
Consists of isolated, non-digestible carbohydrates that have beneficial physiological effects in humans. Extracted from foods; may be added to other foods.
Total Fiber
The sum of dietary fiber and functional fiber
Glycogen
Storage form of carbohydrate for animals and humans. Structure similar to amylopectin. Found in the liver and muscles
Insoluble (non fermentable) Fiber
CelluloseHemi-celluloseLigin
Soluble (viscous) Fiber
GumPectinMucilageFruit, vegetable, rice bran, psyllium seed
Recommended Dietary Allowance (RDA)
130 grams
Acceptable Macronutrient Distribution Range (AMDR)
45-65% of energy intake