elements, mixtures, and compounds
Define matter
Anything that has mass and takes up space
define solution
a homogeneous mixture, solute is dissolved in a solvent
define enzymes
protein that breaks down another substance
6 essential nutrients
minerals, proteins, carbs, lipids, vitamins, water
define
any substance added to a food product for a specific purpose
What are some physical properties
color, melting, and boiling point, temperature, odor, phase
what is solubility
the maximum amount of solute that can be dissolved in a definite amount of solvent at a specific temperature
what ph level do enzymes work best at
7-10
role of protein
build and repair muscle
who regulates
fda, who, fao
name the three phases
solid, liquid, gas
does temp affect solubility
yes
name three enzyme factors
water, ph, temp
role of minerals
provide bone and muscle building
four purposes
improves storage, health, appeal, processing and preparation
whats a pure substance
one kind of material that has the same compositions
substance that gets dissolved
solute
examples of enzyme activities
yeast in bread, tender meat, browning apple
role of water
mains body fluids and hydration
benefits?
safety, convenience, more access to food
What is a mixture
a combination of two or more substances when each keeps at least some of their original properties
substance that dissolved the solute
solvent
what does heat do in enzymes
heat kills
role of lipids
store energy
Concerns?
Not enough know, allergens, may be unhealthy if eaten too much