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Food Technology > Dairy Tech > Flashcards

Dairy Tech Flashcards

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1
Q

major const and minor const of milk

A

water, fat, protein, lactose, ash and minerals
vitamins, phospholipids, enzymes, pigments sterols 5/5

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2
Q

water, fat, protein, lactose, ash percentage in
cow
buffalo
goat
human

A

86.6-4.6-3.4-4.9-0.7
84.2-6.6-3.9-5.2-0.8
85.5-4.5-3.5-4.7-0.8
87.7-3.6-1.8-6.8-0.1

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3
Q

daily variability of milk constituents in decreasing order

A

F-PAL

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4
Q

milk abundant in
vit
minerals
deficient in
vit
min

A

A, D
Ca> P

C
Cu, I, Fe (ICCI)

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5
Q

fat and specific gravity

A

inverse relation

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6
Q

relation with interval of milking and fat

A

interval~ yield/ fat

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7
Q

milking portion and fat
fore milk
strippings

A

<1 percentage
~10 percentage

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8
Q

….. can result in slight but defined variation in fat percentage

A

seasonal impact

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9
Q

feeding has …. effect on fat

A

direct effect

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10
Q

milk has high vit A irrespective of feed
“ D irrespective

A

no, green fodder
no, sun eposure

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11
Q

posilac is …. which can …fat & ….yield was approved in ….. by ….

A

bovine somatotropin
increase
increase
1993
FDA

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12
Q

effect of adrenaline/ ecitement on milk yield

A

decreases - ocytocin

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13
Q

milk protein is considered - complete/ incomplete?
why

A

complete
contains all essential aa in large quantity

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14
Q

casien and whey protein proportion and their types

A

80 : 20
casien
alpha
beta
kappa
whey
lactalbumin, lactoglobulin, serum albumin, immunoglobulins

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15
Q

vit A content is high in milk ireespective of its feed
vit D content is high irrespective

A

no- feed
no- Sun eposure

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16
Q

fat affects flavour only and has no role in nutritive value and energy

A

no

17
Q

major or significantly present essential fatty acids in milk are

A

Linoleic acid & Arachidonic acid`

18
Q

glucose is one of the major sugar present in milk after lactose

A

No- contains only mg/kg milk

19
Q

lactose intolerance is due to

A

reduced lactase activity after weaning
undigested lactose to large intestine where it produces methane retc and cause bloating

20
Q

calorific value of
protein
sugar
fat in ……. unit
cows milk
buffallo milk in …units

A

4.1
4.1
9.3 C/g
75
100C /100g

21
Q

Vit A, D, B12, carotene contents are affected by pasteurization or sterilization

A

No- unaffected

22
Q

vitamins that are affected by past: / Sterillization are …. and to an etent of loss of … percentge

A

thiamine
ascorbic acid
thiamin: 10/ 30-50
ascorbic acid: 20/ 50 percentage

Food Technology (6 decks)

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