Nutrition Flashcards
(36 cards)
Calories are
a unit of energy
what are the 3 main caloric contributors?
fat, protein, and carbohydrates
Fat (lipids) are found as
fatty acids
How many calories per gram do fats have
9
carbohydrates include
simple sugars, starches and cellulose
How many Calories per gram are in carbs?
4
proteins are
complex chains of amino acids
what is an enzyme?
a protein with a job
how many calories per gram are in protein?
4
keto(genic) diet
high fat, low carb
paleo(lithic) diet
caveman diet, avoid grains and dairy products, more meat (muscle building)
Adkins Diet
limiting carbs and total caloric intake
Intermittent fasting
meal timing schedules, attempts to regulate your body’s utilization of stored energy
The Kjeldahl Method
protein determination
The Kjeldahl method is considered a
derivatization method because it does not directly analyze protein
K-method advantages and disadvantages
simple and cheap equipment, but its not the most accurate and chemicals are harsh
Bradford assay
protein determination
The Bradford assay is considered
a colorimetric method
B Assay- Advantages and disadvantages
fast and no harsh chemicals, more expensive equipment
Dubois Method
Carbohydrate determination
Dubois method is a
colorimetric, derivatization method
D Method- advantages and disadvantages
fast and simple, harsh chemicals and carb matrix can cause errors
Refractometry is
water soluble carb determination
Refractometry advantages and disadvantages
cheap and fast, lower accuracy
