GUMS PT. 2

Question 1

SEED GUMS

Answer 1

PLANTAGO SEED
CYDONIUM/ QUINCE SEED
GUAR GUM OR GUARAN
LOCUST BEAN GUM

Question 2

PLANTAGO SEED
SYNONYMS:

Answer 2

▪ psyllium seed
▪ plantain seed

Question 3

P. ovata Forskal known in
commerce as blonde

Answer 3

psyllium or
Indian plantago seed

Question 4

Commercially, the most important
plantago product is the

Answer 4

husk of the
seed of P.ovata.

Question 5

Solutions of the purified gum are

Answer 5

thixotropic

Question 6

PLANTAGO SEED contain ____ % of hydrocolloid,
which is localized in the____.

Answer 6

10 to 30; outerseed
coat

Question 7

PLANTAGO SEEDS
COMPONENTS
★ The hydrocolloid material can be
separated into acidic and neutral
polysaccharide fractions, and, upon
hydrolysis,

Answer 7

★ L- arabinose,
★ D-galactose,
★ D- galacturonic acid,
★ L- rhamnose, and
★ D- xylose are obtained.

Question 8

as the shearing increases
the viscosity decreases

Answer 8

THIXOTROPHY

Question 9

brand name, use as bulk
laxative, dissolve in water before use
to swell, drink 2-3 glasses of water

Answer 9

C-lium fibre

Question 10

CYDONIUM/ QUINCE SEED From the ripe seed of

Answer 10

Cydonia
vulgaris (Fam. Rosaceae)

Question 11

CYDONIUM/ QUINCE SEED COMPONENTS
cellulose suspended in a more
soluble polysaccharide that yields:

Answer 11

L- arabinose and a mixture of aldobiouronic acids.

Question 12

CYDONIUM/ QUINCE SEED used as an ingredient in some

Answer 12

used as an ingredient in
some

Question 13

From the powdered endosperm of
the seed of Cyamopsis
tetragonolobus

Answer 13

GUAR GUM OR GUARAN

Question 14

GUAR GUM OR GUARAN
From the powdered endosperm of
the seed of

Answer 14

Cyamopsis
tetragonolobus

Question 15

GUAR GUM OR GUARAN
The hydrocolloid is a

Answer 15

galactomannan

Question 16

1.Guaran ( galactomannan ):

Answer 16

α-D-galactose + β-D-mannose

Question 17

GUAR GUM OR GUARAN
USES

Answer 17

★ a bulk- forming laxative
★ thickening agent
★ a tablet binder
★ a disintegrant
★ The food processing and paper
industries are large users of this
gum.

Question 18

an means
polysaccharide, polysaccharide that
would yield galactose and mannose
once hydrolyzed.

Answer 18

Galactomannan

Question 19

LOCUST BEAN GUM SOURCES:

Answer 19

Ceratonia siliqua

Question 20

slow growing tree (approximately 15
years for initial seed production)

Answer 20

LOCUST BEAN GUM

Question 21

LOCUST BEAN GUM Also known as

Answer 21

“carob” pulp or St.
John’s bread a galactomannan

Question 22

LOCUST BEAN GUM USES

Answer 22

1. a thickener
2. a stabilizer

Question 23

have locust
bean instead of wheat in bread.

Answer 23

St. John’s bread

Question 24

MICROBIAL GUMS

Answer 24

XANTHAN GUMS
DEXTRAN GUMS

Question 25

is a high- molecular-weight microbial gum

Answer 25

XANTHAN GUMS

Question 26

XANTHAN GUMS prepared by the action of_________on suitable _______

Answer 26

Xanthomonas campestris; Carbohydrates

Question 27

is recovered from the fermentation broth by precipitation with isopropyl alcohol.

Answer 27

exocellular gum

Question 28

XANTHAN GUMS marketed as

Answer 28

sodium, potassium, or calcium salt

Question 29

XANTHAN GUM USES

Answer 29

emulsifying and suspending properties pseudoplastic properties

Question 30

▪ enable toothpastes and ointments both to hold their shape and to spread readily.

Answer 30

pseudoplastic properties

Question 31

the microorganism present in xanthan gum.

Answer 31

Xanthomonas campestris

Question 32

Important characteristics of Xanthan Gum

Answer 32

Pseudoplastic properties

Question 33

Dextran is formed by the action of ______ on _____.

Answer 33

Leuconostoc mesenteroides; sucrose

Question 34

10% solution of dextran is used as

Answer 34

plasma expander

Question 35

for blood loss (e.g. someone that undergoes surgery, hemorrhage, shock).

Answer 35

Plasma expander

Question 36

is a purified carbohydrate product obtained from the dilute acid extract of the inner portion of the rind of citrus fruits or from apple pomace.

Answer 36

PECTIN

Question 37

Pectin is from the Greek and means

Answer 37

congealed or curdled

Question 38

PECTIN MW: ranges from

Answer 38

100,000 to 250,000

Question 39

PECTIN Chief component:

Answer 39

methoxylated polygalacturonic acids

Question 40

PECTIN the main carbohydrate component is a linear

Answer 40

1, 4- linked D- galacturonan

Question 41

Pectin yields not less than

Answer 41

74% of galacturonic acid.

Question 42

PECTIN The gelling power and viscosity of solutions depend on the number of _____ units in the molecule

Answer 42

galacturonic acid

Question 43

PECTIN that contain sugars or organic acids.

Answer 43

commercial pectin

Question 44

is pure pectin to which no additions have been made. Acid acts in crudes or vegetables.

Answer 44

Pharmaceutic pectin

Question 45

Pectin in fruit is found in an insoluble form

Answer 45

Propectin

Question 46

PECTIN USES

Answer 46

protectant suspending agent anti-diarrheal toxin conjugation

Question 47

material in cell wall of all plant tissues, can be seen evidently in the rind of citrus fruit

Answer 47

PECTIN

Question 48

PECTIN MOST IMPORTANT USE:

Answer 48

protective agent

Question 49

pectin + kaolin= product is

Answer 49

kaopectate( antidiarrheal)

Question 50

kaolin use

Answer 50

adsorbent