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Acid Whey and Sweet Whey |
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Depending on the type of cheese made,
there are different types of whey: sweet whey & and acid
whey.
Sweet whey results from cottage
cheese production.
Acid whey results of rennet cheese (hard cheese)
production.
The protein composition of sweet and acid whey
are very similar, but they do have consistent
differences. (For those who are interested, more details
can be found in the sections describing the nutrients
and amino acid breakdown of whey.) |
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Nutritional Facts |
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The macronutrient composition of sweet
and acid whey are very similar.
Below is a chart showing the difference
in composition between 100 grams of dried sweet whey and
100 grams dried acid whey. As you can see the amino acid
score for acid whey is slight better. (See the section
below for detailed amino acid composition.)
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Carbohydrate (g) |
74.5 |
73.4 |
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Protein (g) |
12.9 |
11.7 |
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Fat (g) |
1.1 |
0.5 |
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Amino Acid Score |
102 |
109 |
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Below is a chart comparing the vitamins
and minerals found in 100 grams dried sweet, versus
acid, whey. It serves also as an indication of the
amount of vitamins and minerals found generally in dried
whey, and the percentage of the recommended Daily Value
(DV) the amount represents.
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Vitamins |
amt (DV) |
amt (DV) |
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Vitamin A |
30 IU (1%) |
59 IU (1%) |
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Retinol |
8 mcg |
17 mcg |
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Retinol Activity Equivalent |
8 mcg |
17 mcg |
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Alpha Carotene |
0 mcg |
0 mcg |
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Beta Carotene |
2 mcg |
1 mcg |
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Beta Cryptoxanthin |
0 mcg |
0 mcg |
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Vitamin C |
1.5 mg (2%) |
0.9 mg (1%) |
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Vitamin E
(Alpha Tocopherol) |
0 mg |
0 mg |
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Vitamin K |
0.1 mcg (0%) |
0.0 mcg (0%) |
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Thiamin |
0.5 mg (35%) |
0.6 mg (41%) |
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Riboflavin |
2.2 mg (130%) |
2.1 mg (121%) |
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Niacin |
1.3 mg (6%) |
1.2 mg (6%) |
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Vitamin B6 |
0.6 mg (30%) |
0.6 mg (30%) |
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Folate (Food Folate) |
12 mcg (3%) |
33 mcg (8%) |
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Vitamin B12 |
2.4 mcg (39%) |
2.5 mcg (42%) |
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Pantothenic Acid |
5.6 mg (56%) |
5.6 mg (56%) |
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Choline |
225 mg |
225 mg |
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Minerals |
amt (DV) |
amt (DV) |
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Calcium |
796 mg (80%) |
2054mg (205%) |
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Iron |
0.9 mg (5%) |
1.2 mg (7%) |
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Magnesium |
176 mg (44%) |
199 mg (50%) |
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Phosphorus |
932 mg (93%) |
1349 mg (135%) |
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Potassium |
2080 mg (59%) |
2289 mg (65%) |
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Sodium |
1079 mg (45%) |
968 mg (40%) |
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Zinc |
2.0 mg (13%) |
6.3 mg (42%) |
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Copper |
0.1 mg (3%) |
0.1 mg (3%) |
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Manganese |
0.0 mg (0%) |
0.0 mg (0%) |
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Selenium |
27.3 mcg (39%) |
27.2 mg (39%) |
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Amino Acids
in Whey |
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As mentioned above, whey has the
highest protein quality rating among protein sources.
Whey protein also contains a large quantity (about 26%
of amino acids) of branched-chain amino acids (BCAA's).
Unlike the other amino acids, BCAA's (leucine,
isoleucine and valine) do not need to metabolized by the
liver first, and supply energy quickly to muscles during
exersice.
For those that are interested, below is
table comparing the specific amino acid composition of
100 grams dried sweet whey and 100 grams dried acid
whey.
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Protein |
12.9 g |
11.7 g |
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Tryptophan |
205 mg |
24 mg |
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Threonine |
817 mg |
590 mg |
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Isoleucine |
719 mg |
581 mg |
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Leucine |
1186 mg |
1116 mg |
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Methionine |
241 mg |
221 mg |
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Cystine |
253 mg |
211 mg |
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Phenylalanine |
386 mg |
407 mg |
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Tyrosine |
300 mg |
363 mg |
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Valine |
579 mg |
697 mg |
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Arginine |
327 mg |
375 mg |
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Histidine |
230 mg |
237 mg |
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Alanine |
506 mg |
598 mg |
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Aspartic acid |
1149 mg |
1269 mg |
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Glutamic acid |
2096 mg |
2248 mg |
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Glycine |
211 mg |
280 mg |
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Proline |
699 mg |
786 mg |
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Serine |
622 mg |
541 mg |
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Whey-based amino acid supplement |
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Back: Processing Methods |
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