lipids

Question 1

Examples/Classification of Lipids

Answer 1

FIXED OILS
FATS
WAXES
FATTY ACIDS

Question 2

Are esters of long-chain fatty acids and alcohols or of closely related derivatives.

Answer 2

LIPIDS

Question 3

Are soluble in non-polar organic solvents and generally insoluble in water.

Answer 3

LIPIDS

Question 4

Medical/Pharmaceutical Uses of Lipids

Answer 4

• EMOLLIENT
• VEHICLES FOR MEDICATION
• THERAPEUTIC PROPERTY
• ENTERAL AND PARENTERAL NUTRITION

Question 5

Uses of Lipids in Industries

Answer 5

SOAPS
PAINTS

Question 6

Glycerol combine with Fatty Acids

Answer 6

FIXED OILS AND FATS

Question 7

High mol. wt. alcohol (Cetyl alcohol) combined with Fatty acids

Answer 7

WAXES

Question 8

Fixed Oils and Fats are obtained from:

Answer 8

PLANTS: PEANUT OIL OR OLIVE OIL
ANIMAL: LARD

Question 9

Primary function of Fixed Oils and Fats

Answer 9

FOOD (ENERGY) STORAGE

Question 10

Important products used pharmaceutically, industrially and as
food

Answer 10

FIXED OILS AND FATS

Question 11

May occur in various parts of the plants, but as a general rule in seeds.

Answer 11

VEGETABLE OILS AND FATS

Question 12

It may contain larger quantities and the usual sources of fixed oils.

Answer 12

SEEDS

Question 13

Examples of Seeds (Vegetable Oils and Fats)

Answer 13

CASTOR SEED
COTTON SEED
SESAME SEED
COCONUT
HEMP SEED
ALMOND SEED
LINSEED

Question 14

Fixed Oils are sometimes classified as:

Answer 14

DRYING OILS
SEMI-DRYING OILS
NON-DRYING OILS

Question 15

It May also be of plant and animal origin

Answer 15

WAXES

Question 16

Liquid at normal temperature

Answer 16

FIXED OILS AND FATS

Question 17

Are semi-solid to solid at ordinary temperature

Answer 17

WAXES

Question 18

Principal constituents of many drugs

Answer 18

FIXED OILS AND FATS

Question 19

There are no chemical differences of Fixed Oils and Fats of plants or animal origin

Question 20

Most Vegetable Oils are liquid at ordinary temperature except:

Answer 20

COCOA BUTTER - SOLID VEGETABLE OIL

Question 21

Most Animal Fats are solid Except:

Answer 21

COD LIVER OIL - LIQUID ANIMAL FAT

Question 22

Fixed Oils and Fats of Vegetative Origin are obtained by:

Answer 22

EXPRESSION IN HYDRAULIC PRESSES

Question 23

Virgin/Cold Pressed Oil

Answer 23

COLD

Question 24

Hot-pressed Oil

Answer 24

HOT

Question 25

These are separated from other tissues by rendering with steam or without steam.

Answer 25

ANIMAL FATS

Question 26

Examples of Saturated Fixed Oils

Answer 26

COCONUT OIL PALM OIL PALM KERNEL OIL

Question 27

Examples of Monosaturated Fixed Oils

Answer 27

CASTOR OIL OLIVE OIL RAPESEED OIL PEANUT OIL

Question 28

Examples of Polyunsaturated Fixed Oils

Answer 28

ALMOND OIL CORN OIL COTTONSEED OIL COD LIVER OIL LINSEED OIL PERSIC OIL SOYBEAN OIL SESAME OIL SAFFLOWER OIL SUNFLOWER OIL

Question 29

Fats and Related Compounds

Answer 29

THEOBROMA OIL - COCOA BUTTER/CACAO BUTTER LANOLIN - HYDROUS WOOLFAT ANHYDROUS LANOLIN - WOOLFAT HYDROGENATED VEGETABLE OILS LARD

Question 30

Are esters resulting from the condensation of high molecular weight, straight-chain acids and alcohols.

Answer 30

WAXES

Question 31

Well-known Waxes

Answer 31

BEESWAX CARNAUBA WAX SPERMACETI

Question 32

General Uses of Waxes

Answer 32

▪ Hardens ointments and creams ▪ Preparation of Cerates ▪ Protective coatings in industry and art.

Question 33

Waxes in Plants

Answer 33

CARNAUBA WAX BAYBERRY WAX

Question 34

Waxes in Insects

Answer 34

BEESWAX LACWAX

Question 35

Waxes in Other Animals

Answer 35

SPERMACETI

Question 36

It has No C-C double bonds The presence of double bonds in fatty acids significantly lowers the melting point relative to a saturated fatty acid.

Answer 36

SATURATED FATTY ACIDS

Question 37

Saturated fatty acids of less than eight carbon atoms are ____ at physiological temperature, whereas those containing more than ten are ___.

Answer 37

LIQUID; SOLID

Question 38

Examples of Saturated Fatty Acids

Answer 38

LAURIC ACID ARACHIDIC ACID MYRISTIC ACID PALMITIC ACID STEARIC ACID

Question 39

▪ With double bonds ▪ Oxygen saturates the double bonds to form oxides that may polymerize to form hard films (important in film industry)

Answer 39

UNSATURATED FATTY ACIDS

Question 40

Double bonds also take up hydrogen in the proper conditions producing semi-solid fats that are used extensively as ____

Answer 40

COOKING FATS AND SHORTENING

Question 41

It refers to the number of mg of KOH required to saponify the esters contained in 1 g of the substance.

Answer 41

ESTER VALUE

Question 42

Fixed Oils are classified based on their ability to absorb oxygen from the air: Drying oils, Semi- drying oils, and Non-drying Oils

Answer 42

UNSATURATED FATTY ACIDS

Question 43

It refers to the number of mg of KOH required to neutralized the free acids and saponify the esters contained in 1 g of the substance is equal to the sum of Acid Value and Ester Value.

Answer 43

SAPONIFICATION VALUE

Question 44

It refers to the number of mg of KOH required to neutralize the free acids contained in 1 g of the substance.

Answer 44

ACID VALUE/ACID NUMBER

Question 45

It refers to the number of grams of Iodine absorbed, under prescribed conditions, by 100 g of the substance.

Answer 45

IODINE VALUE

Question 46

Examples of Drying Oils (Fixed Oils)

Answer 46

▪ Castor seed ▪ Croton seed ▪ Linseed ▪ Candle nut ▪ Physic nut

Question 47

Examples of Non-Drying Oils (Fixed Oils)

Answer 47

▪ Cashew nut ▪ Coconut ▪ Cottonseed ▪ Cacao seed ▪ Olive seed ▪ Peanut ▪ Sesame seed ▪ Sweet almond seed

Question 48

Examples of Fats and Waxes

Answer 48

▪ Honey ▪ Entada ▪ Horse-radish tree ▪ Squash ▪ Lard ▪ Spermaceti ▪ White wax ▪ Woolfat