Nutrition Flashcards
Monosaccharides
Simple sugars
Glucose, Fructose, Galactose
Disaccharides
Simple sugars
Sucrose, Maltose, Lactose
Oligosaccharides
Complex sugars
Stachyose
Raffinose
Polysaccharides
Complex sugars
Starch, Glycogen, Cellulose
Added Sugars
Sugars that are added to foods or beverages when they are processed or prepared.
Dietary fiber needs
Female- 25 g
Male- 38 g
Soluble fiber vs Insoluble fiber
Soluble forms a gel matrix in the GI tract, slowing transit. Insoluble decreases transit time, and can bind with other compounds, such as bile salts.
Inadequate CHO intake can lead to…
Ketosis
When sufficient glucose is not available what is formed in the liver during the Kreb’s cycle?
Ketone bodies
Diabetic ketoacidosis
Caused by insulin deficiency in Type 1 diabetics. Can be life threatening if not treated promptly.
Substrates of Gluconeogenesis
Lactic acid, Glycerol, Amino acids
The breakdown of glycogen into glucose of its derivatives
Glycogenolysis
Liver glycogenolysis
Direct source of blood glucose
Muscle glycogenolysis
Indirect source of blood glucose
Source of complete proteins
Meat, poultry, fish, eggs, dairy products, soy, quinoa
Source of incomplete proteins
Grains, nuts, seeds, legumes, vegetables.
PDCAAS
Protein digestibility-corrected amino acid score. Takes into account the aa composition and the digestibility
Energy in protein, per gram
4 kcal
Energy in carbohydrate, per gram
4 kcal in food
3.4 kcal in aqueous
Protein needs based on body weight
0.8 g per 1 kg
Energy per gram of Fats
9 kcal
Essential fatty acids
Omega 3 and Omega 6
Bad cholesterol
LDL, IDL, VLDL, Chylomicron and chylomicron remnants
Good
HDL
AMDR for fat
20-35% of total kcals
Water soluble vitamins
C, All B vitamins
Fat-soluble vitamins
A, D, E, K
Fat soluble vitamins are packaged by _____ and transported to body cells by ______
Chylomicrons
VLDL and LDL
Can be synthesized from a cholesterol derivative
Vitamin D
Can be synthesized by bacteria in the GI tract
Vitamin K
Can be synthesized from tryptophan
Niacin
Good source of B vitamins
Grains
Good source of Vitamins C, E, and Carotenoids
Vegetables
Good source of Vitamin D, Ca, Phosphate, and Riboflavin
Dairy
Good source of Vitamin C
Fruits
Good source of iron
Red Meat