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Chem 106 test
cosmetics and food additives
25
Chemistry
Undergraduate 3
03/28/2012

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Cards

Term
Melanin
Definition
The NATURAL dark brown pigment found in skin and hair
Term
Fixative
Definition
Reduces evaporation of volatile compounds in perfumes
Term
A major component of tooth enamel
Definition
hydroxyapatite
Term
Detergent
Definition
a synthetic surfactant
Term
Percents of what you pay for cosmetics
Definition
ingredients=8%
advertising=10%
packaging=10%
Term
Amphoteric
Definition
Has both + and - charges; reacts with acids and bases.....good for children's no-cry shampoos
Term
Astringent used in deoderants
Definition
aluminum chlorohydrate
Term
Function of zinc oxide
Definition
acts as a sun block
Term
Function of hydrogen peroxide
Definition
alters the chemistry of natural hair colors to render them colorless
Term
Potentiators
Definition
Enhance the flavors already present in a food, but have no flavor themselves
Term
Humectant
Definition
gylcerine acts as a ______ when it is added to coconut shreds to retain moisture
Term
Function of sodium benzoate
Definition
preservative
Term
Which vitamin acts as an antioxidant and is used as a "cure" to a cold?
Definition
Vitamin A .....ascorbic acid
Term
What is a preservative that can cause cancer?
Definition
sodium nitrite can for nitrosamines
Term
Food additives are covered under which FDA regulation/act
Definition
federal food, drug, and cosmetics act
Term
Which is the most abundant mineral in the body?
Definition
Calcium.... takes up 1.5-2% of body weight
Term
Common thickening Agent
Definition
xanthan gum
Term
Vitamin A
Definition
FAT SOLUBLE
a.k.a. retinol that aids in vision
beta-carotene in carrots is transformed into vitamin A in the body
Term
Vitamin D
Definition
UV (sun) shines on the skin and converts steroid ERGOSTOL to vitamin D.
lack of vit D can cause rickets disease
Term
Vitamin E
Definition
an antioxidant
found distributed around fats in nature
protects integrity of cell membranes
Term
Vitamin K
Definition
body uses it rapidly in blood clotting
Term
Fat Soluble Vitamins
Definition
ADE&K
Term
WAter Soluble Vitamins
Definition
have polar -OH, -NH2, and -COOH groups
Vitamin C and the B vitamins
Term
B vitamins
Definition
B6= involved in over 60 enzymatic reactions
niacin, riboflavin
enriched flour contains riboflavin, thiamin, niacin, and iron
Term
chelate
Definition
EDTA wraps itself around molecule like a crab (Greek word)
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