The science of milk - Jonathan J. O'Sullivan

3,031,442 views ใƒป 2017-01-31

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: Evee Kim ๊ฒ€ํ† : Jihyeon J. Kim
00:07
Why do humans drink so much milk?
0
7608
3481
์™œ ์ธ๊ฐ„์€ ์šฐ์œ ๋ฅผ ์ •๋ง ๋งŽ์ด ๋งˆ์‹ค๊นŒ์š”?
00:11
And given that all mammals lactate,
1
11089
2129
๋ชจ๋“  ํฌ์œ ๋™๋ฌผ์ด ์ –์„ ๋ถ„๋น„ํ•œ๋‹ค๋ฉด,
00:13
why do we favor certain types of milk over others?
2
13218
3690
์™œ ์šฐ๋ฆฌ๋Š” ํŠน์ •ํ•œ ์ข…๋ฅ˜์˜ ์šฐ์œ ๋ฅผ ๋” ์„ ํ˜ธํ• ๊นŒ์š”?
00:16
Milk is the first thing we drink,
3
16908
1861
์šฐ์œ ๋Š” ์šฐ๋ฆฌ๊ฐ€ ๋งˆ์‹œ๋Š” ์ฒซ ๋ฒˆ์งธ ์Œ์‹์ธ๋ฐ,
00:18
and thanks to developments in the production and variety of dairy products,
4
18769
3609
์ƒ์‚ฐ ๋ฐœ์ „๊ณผ ๋‹ค์–‘ํ•œ ์œ ์ œํ’ˆ ๋•๋ถ„์—
00:22
it can take on countless forms for our dietary and sensory well-being.
5
22378
5612
๊ฑด๊ฐ•ํ•œ ์‹์ƒํ™œ๊ณผ ๊ฐ๊ฐ๊ธฐ๊ด€์„ ์œ„ํ•ด ์ˆ˜๋งŽ์€ ํ˜•ํƒœ๋กœ ๋จน์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:27
Milk's primary function is as a complete source of nutrition for newborns.
6
27990
4718
์‹ ์ƒ์•„์—๊ฒŒ ์™„์ „ํ•œ ์˜์–‘๋ถ„์„ ๊ณต๊ธ‰ํ•˜๋Š” ๊ฒŒ ์šฐ์œ ์˜ ์ฃผ์š” ๊ธฐ๋Šฅ์ด์ฃ .
00:32
In fact, since it has all of the vital nutrients for development and growth,
7
32708
4122
์‚ฌ์‹ค, ์šฐ์œ ์—๋Š” ์„ฑ์žฅ์— ๋ฐ˜๋“œ์‹œ ํ•„์š”ํ•œ ๋ชจ๋“  ์˜์–‘๋ถ„์ด ํ•จ์œ ๋˜์–ด ์žˆ์–ด์š”.
00:36
proteins,
8
36830
815
๋‹จ๋ฐฑ์งˆ,
00:37
carbohydrates,
9
37645
775
ํƒ„์ˆ˜ํ™”๋ฌผ,
00:38
fats,
10
38420
825
์ง€๋ฐฉ,
00:39
vitamins and minerals,
11
39245
1375
๋น„ํƒ€๋ฏผ๊ณผ ๋ฏธ๋„ค๋ž„,
00:40
and water,
12
40620
1089
๋ฌผ,
00:41
milk is the only thing a baby even needs to ingest
13
41709
3319
์‹ ์ƒ์•„๋Š” ํƒœ์–ด๋‚˜์„œ ์šฐ์œ ๋งŒ ์„ญ์ทจํ•˜๋ฉฐ
00:45
for the first six months of life.
14
45028
2591
์ธ์ƒ์˜ ์ฒซ 6๊ฐœ์›”์„ ์ง€๋ƒ…๋‹ˆ๋‹ค.
00:47
The unique makeup of milk can vary depending on factors like species,
15
47619
3812
์šฐ์œ ์˜ ํŠน์ • ์„ฑ๋ถ„์€ ์กฐ๊ฑด์— ๋”ฐ๋ผ ๋‹ฌ๋ผ์งˆ ์ˆ˜ ์žˆ๋Š”๋ฐ, ์ƒ๋ฌผ ์ข…์ด๋‚˜
00:51
diet,
16
51431
899
์ฃผ์‹,
00:52
and location.
17
52330
1558
๊ทธ๋ฆฌ๊ณ  ์žฅ์†Œ์ž…๋‹ˆ๋‹ค.
00:53
Reindeer of the Arctic Circle, for example,
18
53888
2112
์˜ˆ๋ฅผ ๋“ค์–ด ๋ถ๊ทน๊ถŒ์— ์‚ฌ๋Š” ์ˆœ๋ก์€
00:56
make energy-dense milk that's about 20% fat,
19
56000
3400
20% ์ง€๋ฐฉ์ด ํ•จ์œ ๋œ ๊ณ ์นผ๋กœ๋ฆฌ ์ –์„ ๋ถ„๋น„ํ•˜๋Š”๋ฐ,
00:59
roughly five times more than human or cow's milk,
20
59400
3670
์ด๋Š” ์ธ๊ฐ„์˜ ๋ชจ์œ ๋‚˜ ์†Œ์˜ ์šฐ์œ ๋ณด๋‹ค ์•ฝ 5๋ฐฐ๋‚˜ ๋†’์€ ์ˆ˜์น˜๋กœ
01:03
to help their young survive the harsh, freezing climate.
21
63070
3301
์ƒˆ๋ผ๋“ค์ด ํ˜น๋…ํ•˜๊ณ  ๋„ˆ๋ฌด ์ถ”์šด ๊ธฐ์˜จ์—์„œ ์‚ด์•„๋‚จ์„ ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ค๋‹ˆ๋‹ค.
01:06
So how is milk made?
22
66371
1869
๊ทธ๋ ‡๋‹ค๋ฉด ์šฐ์œ ๋Š” ์–ด๋–ป๊ฒŒ ๋งŒ๋“ค์–ด์งˆ๊นŒ์š”?
01:08
In the uniquely mammalian process of lactation,
23
68240
2770
ํฌ์œ ๋ฅ˜ ๋งŒ์˜ ๋…ํŠนํ•œ ์ –๋ถ„๋น„ ๊ณผ์ •์—์„œ
01:11
a special class of milk-secreting cells known as mammocytes
24
71010
4101
๋งค๋งˆ์‚ฌ์ž‡๋ผ๊ณ  ์•Œ๋ ค์ง„ ํŠน๋ณ„ํ•œ ์ข…๋ฅ˜์˜ ์šฐ์œ  ๋ถ„๋น„ ์„ธํฌ๋Š”
01:15
line up in a single layer around pear-shaped alveoli.
25
75111
4759
๊ณผ์ผ ๋ฐฐ์ฒ˜๋Ÿผ ์ƒ๊ธด ํ—ˆํŒŒ ๊ฝˆ๋ฆฌ ์ฃผ๋ณ€์„ ํ•œ ์ค„๋กœ ๋‘˜๋Ÿฌ์‹ธ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
01:19
Those cells absorb all of the building blocks of milk,
26
79870
3221
์ด ์„ธํฌ๋Š” ์ –์„ ๋งŒ๋“ค๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ๋ชจ๋“  ์š”์†Œ๋ฅผ ํก์ˆ˜ํ•œ ํ›„
01:23
then synthesize tiny droplets of fat
27
83091
2680
๋ถ€๋“œ๋Ÿฌ์šด ์†Œํฌ์ฒด๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” ๊ตฌ์กฐ์—
01:25
on structures called smooth endoplasmic reticula.
28
85771
4210
์ง€๋ฐฉ ๋ฉ์–ด๋ฆฌ๋“ค์„ ํ•ฉ์„ฑํ•ฉ๋‹ˆ๋‹ค.
01:29
The droplets combine with each other and other molecules
29
89981
3069
์ด ๋ฐฉ์šธ์€ ๋‹ค๋ฅธ ๋ถ„์ž์™€ ํ•จ๊ป˜ ๊ฒฐํ•ฉํ•œ ์ฑ„๋กœ
01:33
and are then expelled and stored in spaces between cells.
30
93050
4730
๋ฐฐ์ถœ๋˜์–ด ์„ธํฌ ์‚ฌ์ด ํ‹ˆ์— ์ €์žฅ๋ฉ๋‹ˆ๋‹ค.
01:37
Mammary glands eventually secrete the milk through the breasts, udders,
31
97780
3941
์œ ์„ ์€ ์œ ๋ฐฉ๊ณผ ์ –ํ†ต์„ ํ†ตํ•ด ์ –์„ ๋ถ„๋น„ํ•˜๋Š”๋ฐ
01:41
or, in the rare case of the platypus, through ducts in the abdomen.
32
101721
5340
์˜ค๋ฆฌ๋„ˆ๊ตฌ๋ฆฌ๋Š” ๋ณต๋ถ€์˜ ๊ด€์—์„œ ๋ถ„๋น„๋ฉ๋‹ˆ๋‹ค.
01:47
Although this process is typically reserved for females,
33
107061
3281
๋˜ํ•œ, ๋ณดํ†ต ์ –์€ ์•”์ปท์ด ์ƒ์‚ฐํ•˜์ง€๋งŒ
01:50
in some species, like dayak fruit bats,
34
110342
2840
๋ช‡๋ช‡ ์ข…; ๋‹ค์•ฝ ๊ณผ์ผ ๋ฐ•์ฅ๋‚˜
01:53
goats,
35
113182
860
์—ผ์†Œ,
01:54
and even cats,
36
114042
1280
๊ณ ์–‘์ด์™€ ๊ฐ™์€ ์ข…์€
01:55
males can also lactate.
37
115322
2290
์ˆ˜์ปท๋„ ์ –์„ ๋ถ„๋น„ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:57
Milk drinkers worldwide consume dairy from buffalo,
38
117612
3170
์ „ ์„ธ๊ณ„ ์‚ฌ๋žŒ๋“ค์ด ๋จน๋Š” ์œ ์ œํ’ˆ์€ ๋ฒ„ํŒ”๋กœ์™€
02:00
goats,
39
120782
809
์—ผ์†Œ,
02:01
sheeps,
40
121591
733
์–‘,
02:02
camels,
41
122324
798
๋‚™ํƒ€,
02:03
yaks,
42
123122
869
02:03
horses,
43
123991
791
์•ผํฌ,
๋ง,
02:04
and cows.
44
124782
1639
์ –์†Œ๊ฐ€ ์ƒ์‚ฐํ•ฉ๋‹ˆ๋‹ค.
02:06
Almost all of these species are ruminants,
45
126421
2701
๋Œ€๋ถ€๋ถ„์˜ ์ด ์ข…๋“ค์€ ๋ฐ˜์ถ”๋™๋ฌผ๋กœ
02:09
a type of mammal with four-chambered stomachs
46
129122
3090
์ฆ‰, ์œ„๊ฐ€ 4๊ฐœ์˜ ๋ฐฉ์œผ๋กœ ์ด๋ค„์ ธ์„œ
02:12
that yield large quantities of milk.
47
132212
2689
๋‹ค๋Ÿ‰์˜ ์ –์„ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:14
Of these, cows were the most easily domesticated
48
134901
3033
์ด์ค‘ ์ –์†Œ๋Š” ๊ฐ€์žฅ ์‰ฝ๊ฒŒ ์‚ฌ์œกํ•ด์„œ
02:17
and produce a milk that is both easily separated into cream and liquid
49
137934
3762
์šฐ์œ ๋ฅผ ์–ป์„ ์ˆ˜ ์žˆ์œผ๋ฉฐ ์‰ฝ๊ฒŒ ํฌ๋ฆผ๊ณผ ์œ ์ฒญ์œผ๋กœ ๋ถ„๋ฆฌ๋˜๋ฉฐ
02:21
and has a similar fat content to human milk.
50
141696
3639
์ธ๊ฐ„์˜ ๋ชจ์œ ์™€ ์ง€๋ฐฉ ํ•จ๋Ÿ‰์ด ๋น„์Šทํ•ฉ๋‹ˆ๋‹ค.
02:25
In their natural environment,
51
145335
1447
์ž์—ฐ ์ƒํƒœ์—์„œ๋Š”
02:26
mammals secrete milk on call for immediate consumption by their young.
52
146782
4521
ํฌ์œ ๋ฅ˜๋Š” ์ƒˆ๋ผ๊ฐ€ ์ –์„ ์ฐพ์„ ๋•Œ ๋ฐ”๋กœ ์ƒ์‚ฐํ•ฉ๋‹ˆ๋‹ค.
02:31
But with the demands of thirsty consumers,
53
151303
2549
ํ•˜์ง€๋งŒ ๋ชฉ๋งˆ๋ฅธ ์†Œ๋น„์ž๋“ค์˜ ์ˆ˜์š” ๋•Œ๋ฌธ์—
02:33
the dairy industry has enlisted methods to step up production,
54
153852
3804
๋‚™๋† ์‚ฐ์—…์€ ์—ฌ๋Ÿฌ ๋ฐฉ๋ฒ•์„ ๋™์›ํ•ด ์ƒ์‚ฐ๋Ÿ‰์„ ๋Š˜๋ฆฌ๊ณ 
02:37
enhance shelf life,
55
157656
1347
์œ ํ†ต๊ธฐํ•œ์„ ๋Š˜๋ฆฌ๋ฉฐ
02:39
and provide a variety of milk products.
56
159003
3561
๋‹ค์–‘ํ•œ ์œ ์ œํ’ˆ์„ ์ƒ์‚ฐํ•˜๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
02:42
In the dairy, centrifugation machines spin milk at high speeds,
57
162564
4309
๋‚™๋†์—…์—์„œ๋Š” ์›์‹ฌ๋ถ„๋ฆฌ๊ธฐ๊ฐ€ ์šฐ์œ ๋ฅผ ๊ณ ์† ํšŒ์ „ํ•˜์—ฌ
02:46
forcing less dense fats to separate from the liquid and float up.
58
166873
4949
์œ ์ฒญ์—์„œ ์ €๋ฐ€๋„ ์ง€๋ฐฉ์„ ๋ถ„๋ฆฌํ•ด ๋„์›๋‹ˆ๋‹ค.
02:51
After being skimmed off,
59
171822
1351
์ด๋ ‡๊ฒŒ ๊ฑท์–ด๋‚ธ ๋’ค,
02:53
this fat, known as butterfat, can be used in dairy products
60
173173
3759
์œ ์ง€๋ฐฉ์œผ๋กœ ์•Œ๋ ค์ง„ ์ด ์ง€๋ฐฉ์€ ๋‹ค์Œ ๋‚™๋† ์ œํ’ˆ์— ์“ฐ์ผ ์ˆ˜ ์žˆ๋Š”๋ฐ,
02:56
like butter,
61
176932
741
๋ฒ„ํ„ฐ,
02:57
cream,
62
177673
741
ํฌ๋ฆผ,
02:58
and cheese.
63
178414
1100
์น˜์ฆˆ๋กœ ๋งŒ๋“ค์–ด์ง‘๋‹ˆ๋‹ค.
02:59
Or it can be later added back to the liquid in varying proportions
64
179514
4229
ํ˜น์€ ์ง€๋ฐฉ์˜ ํ•จ์œ ๋Ÿ‰์„ ๋‹ฌ๋ฆฌํ•˜์—ฌ ๋‹ค์‹œ ์œ ์ฒญ์— ํˆฌ์ž…๋˜๊ณ 
03:03
to yield different fat content milks.
65
183743
2570
์ง€๋ฐฉ ํ•จ์œ ๋Ÿ‰์ด ๋‹ค๋ฅธ ์šฐ์œ ๋ฅผ ์ƒ์‚ฐํ•ฉ๋‹ˆ๋‹ค.
03:06
Full fat milk, sometimes referred to as whole milk, has 3.25% butterfat added
66
186313
7231
์ „์œ ๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” ์ „์ง€์œ ์—๋Š” 3.25%์˜ ์œ ์ง€๋ฐฉ์ด ์ฒจ๊ฐ€๋˜๊ณ ,
03:13
compared to 1-2% for low and reduced fat milk,
67
193544
4351
๊ทธ์— ๋ฐ˜ํ•ด ์ €์ง€๋ฐฉ ์šฐ์œ ์—๋Š” 1-2%,
03:17
and less than half a percent for skim milk.
68
197895
2969
๋ฌด์ง€๋ฐฉ ์šฐ์œ ์˜ ๊ฒฝ์šฐ 0.5% ๋ฏธ๋งŒ์ž…๋‹ˆ๋‹ค.
03:20
To stop reseparation of the fat from the water, or creaming,
69
200864
3890
์ง€๋ฐฉ์ด ์œ ์ฒญ์—์„œ ์žฌ๋ถ„๋ฆฌ๋˜๊ฑฐ๋‚˜ ํฌ๋ฆผํ™”๋ฅผ ๋ง‰๊ธฐ ์œ„ํ•ด
03:24
the mixture undergoes the high-energy pressurized process of homogenization.
70
204754
5140
์ด ํ˜ผํ•ฉ๋ฌผ์€ ๊ท ์งˆํ™”๋ฅผ ์œ„ํ•œ ๊ณ ์—๋„ˆ์ง€ ์••๋ ฅ์„ ๊ฑฐ์นฉ๋‹ˆ๋‹ค.
03:29
Before milk hits the shelves, it's also typically heat treated
71
209894
4310
๋ณดํ†ต ์šฐ์œ ๊ฐ€ ์„ ๋ฐ˜์— ์ง„์—ด๋˜๊ธฐ ์ „์— ์—ด์ฒ˜๋ฆฌ๋ฅผ ๊ฑฐ์น˜๊ณ 
03:34
to reduce its level of microbes,
72
214204
1951
์ด๋Š” ๋ฏธ์ƒ๋ฌผ์˜ ๋†๋„๋ฅผ ๋‚ฎ์ถ”๊ฒŒ ๋˜๋Š”๋ฐ,
03:36
a government-sanctioned process
73
216155
1510
์›์œ  ์˜ˆ์ฐฌ๋ก ์ž๋“ค์€ ์ •๋ถ€์˜ ์ด๋Ÿฐ ์ •์ฑ…์ด
03:37
that raw milk enthusiasts argue may reduce milk's nutritional worth.
74
217665
4719
์šฐ์œ ์˜ ์˜์–‘์  ๊ฐ€์น˜๋ฅผ ๋‚ฎ์ถ˜๋‹ค๊ณ  ์ฃผ์žฅํ•ฉ๋‹ˆ๋‹ค.
03:42
Milk spoilage is started by microbes,
75
222384
3221
์šฐ์œ  ๋ถ€ํŒจ๋Š” ๋ฏธ์ƒ๋ฌผ ๋•Œ๋ฌธ์ธ๋ฐ,
03:45
which consume and break down the nutrients in milk.
76
225605
3390
์ด๋“ค์€ ์šฐ์œ ์˜ ์˜์–‘๋ถ„์„ ์„ญ์ทจํ•˜๊ณ  ๋ถ„ํ•ดํ•ฉ๋‹ˆ๋‹ค.
03:48
That process causes butterfat to clump together,
77
228995
3400
์ด ๊ณผ์ •์—์„œ ์œ ์ง€๋ฐฉ์ด ๋ฉ์–ด๋ฆฌ์ง€๊ฒŒ ๋˜๊ณ ,
03:52
leading to a visually unpleasant product.
78
232395
3340
๋ณด๊ธฐ์— ์—ญ๊ฒจ์šด ์ œํ’ˆ์œผ๋กœ ๋งŒ๋“ค๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
03:55
And the byproducts of the microbes' consumption
79
235735
2259
๊ทธ๋ฆฌ๊ณ  ๋ฏธ์ƒ๋ฌผ๋“ค์ด ์„ญ์ทจํ•œ ๋ถ€์‚ฐ๋ฌผ์€
03:57
are compounds that taste and smell nasty.
80
237994
3841
์—ญ๊ฒจ์šด ๋ƒ„์ƒˆ์™€ ๋ง›์„ ๊ฐ€์ง„ ๋ณตํ•ฉ๋ฌผ์ž…๋‹ˆ๋‹ค.
04:01
But there's a bigger problem.
81
241835
1395
ํ•˜์ง€๋งŒ ๋” ํฐ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
04:03
Raw milk can carry microbes that are the sources of deadly diseases,
82
243230
4775
์›์œ ์—๋Š” ์น˜๋ช…์ ์ธ ๋ณ‘์˜ ์›์ธ์ด ๋˜๋Š” ๋ฏธ์ƒ๋ฌผ์ด ์žˆ์„ ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์—,
04:08
so in order to kill as many of those microbes as possible,
83
248005
3561
์ด๋Ÿฌํ•œ ๋ฏธ์ƒ๋ฌผ์„ ์ตœ๋Œ€ํ•œ ๋งŽ์ด ์—†์• ๊ณ 
04:11
and keep milk fresh longer,
84
251566
1910
์‹ ์„ ํ•˜๊ฒŒ ์˜ค๋ž˜ ๋ณด๊ด€ํ•˜๊ธฐ ์œ„ํ•ด
04:13
we use a technique called pasteurization.
85
253476
3193
์šฐ๋ฆฌ๋Š” ์ €์˜จ์‚ด๊ท ์ด๋ผ๋Š” ๊ธฐ์ˆ ์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
04:16
One version of this process involves exposing milk
86
256669
2826
์ด ๊ณผ์ •์€ ์šฐ์œ ๋ฅผ ๊ณ ์˜จ์—์„œ
04:19
to about 30 seconds of high heat.
87
259495
2660
30์ดˆ๊ฐ„ ๊ฐ€์—ดํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:22
Another version, called ultra-high temperature processing,
88
262155
3440
๋˜ ๋‹ค๋ฅธ ๋ฐฉ๋ฒ•์œผ๋กœ๋Š” ์ดˆ๊ณ ์˜จ ์‚ด๊ท ๋ฒ•,
04:25
or ultra pasteurization,
89
265595
1781
ํ˜น์€ ์ดˆ๋ฉธ๊ท ๋ฒ•์ด ์žˆ๋Š”๋ฐ
04:27
blasts the milk with considerably higher temperatures over just a few seconds.
90
267376
5660
์šฐ์œ ๋ฅผ ์•ฝ ๋ช‡ ์ดˆ ๋™์•ˆ๋งŒ ๊ณ ์˜จ์— ๋…ธ์ถœ์‹œํ‚ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:33
UHT milk boasts a much longer shelf life,
91
273036
3290
์ดˆ๊ณ ์˜จ ์‚ด๊ท ๋ฒ•์„ ๊ฑฐ์นœ ์šฐ์œ ๋Š” ์œ ํ†ต๊ธฐํ•œ์ด ํ›จ์”ฌ ๊ธธ๊ณ ,
04:36
up to twelve months unrefrigerated,
92
276326
2300
์‹ค์˜จ์—์„œ ์ตœ๊ณ  1๋…„๊นŒ์ง€ ๋ณด๊ด€ ๊ฐ€๋Šฅํ•˜์ง€๋งŒ
04:38
compared to pasteurized milk's two weeks in the fridge.
93
278626
3600
๋ฉธ๊ท ๋ฒ•์„ ๊ฑฐ์นœ ์šฐ์œ ๋Š” ๋ƒ‰์žฅ ๋ณด๊ด€์‹œ์—๋„ 2์ฃผ ๋ฐ–์— ๋ณด๊ด€๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
04:42
That's because the higher temperatures of UHT processing
94
282226
2861
์ด๋Š” ์ดˆ๊ณ ์˜จ ์‚ด๊ท ๋ฒ•์˜ ๋†’์€ ์˜จ๋„๋กœ ์ธํ•ด
04:45
inactivate far more microbes.
95
285087
2560
๋” ๋งŽ์€ ๋ฏธ์ƒ๋ฌผ์ด ๋น„ํ™œ์„ฑํ™” ๋˜๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
04:47
Yet the higher processing temperatures
96
287647
2411
ํ•˜์ง€๋งŒ ์ฒ˜๋ฆฌ ์˜จ๋„๊ฐ€ ๋” ๋†’์œผ๋ฉด
04:50
may adversely affect the nutritional and sensory properties of the milk.
97
290058
4774
๋ฐ˜๋Œ€๋กœ ์šฐ์œ ์˜ ์˜์–‘๊ณผ ๊ฐ๊ฐ ์˜์—ญ์— ๋ฐ˜ํ•˜๋Š” ์˜ํ–ฅ์„ ์ค„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:54
Ultimately, that choice lies in the consumer's taste
98
294832
3075
๊ถ๊ทน์ ์œผ๋กœ, ์ด๋Š” ์†Œ๋น„์ž๋Š” ์ž…๋ง›์ด๋‚˜
04:57
and need for convenience.
99
297907
1781
ํŽธ์˜์— ๋”ฐ๋ผ ์ •ํ•ด์ง‘๋‹ˆ๋‹ค.
04:59
Fortunately, there are many choices available
100
299688
2379
๋‹คํ–‰ํžˆ๋„ ์œ ์ œํ’ˆ ์‚ฐ์—…์€ ๋งค๋…„ 8์–ต 4์ฒœ๋งŒํ†ค์„ ์ƒ์‚ฐํ•˜๊ธฐ ๋•Œ๋ฌธ์—
05:02
in an industry that produces in excess of 840 million tons of products each year.
101
302067
6241
์šฐ๋ฆฌ์—๊ฒ ์„ ํƒ์˜ ํญ์ด ๋„“์Šต๋‹ˆ๋‹ค.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

https://forms.gle/WvT1wiN1qDtmnspy7