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Table 3. Factors used in converting nitrogen to protein and in computing calories

A. Nitrogen factors used, by item numbers, excluding those in which protein is N x 6.25

Item

N times:

Item

N times:

Item

N times:

1

5.83

13-18

5.83

70

5.40

2,3

5.70

22,23

6.31

71

5.30

4

5.83

33

5.70

250-276

6.38

6,6

5.70

52,53

5.46

279

6.38

7

5.83

54-62

5.71

281

6.38

8,9

5.70

64-67

5.30



10-12

5.95

68,69

avg.1



B. Calorie factors used, by item numbers, excluding those given for the food or food group in the FAO Report (56)

Item

Protein

Fat

Carbohydrate

References and Notes

Calories per gram

(Quoted terms are from the source cited)

10

3.41

8.37

4.12

(23)

"Brown rice"

11

3.62

8.37

4.16

-

Interpolated, see Preparation and use of the tables (Meaning of terms - Calories)

12

3.82

8.37

4.16

(23)

"White rice"

13

2.41

8.37

3.78

(23)

"Rye flour, whole grain"

14

2.78

8.37

3.95

(23)

Protein; (66) fat and carbohydrate, "wheat 85-93% extraction"

15

3.78

8.37

3.95

(56)

"Wheat, 85-93% extraction"

16, 17

3.55

8.37

3.95

(23)

"Barley"

18

3.55

8.37

4.07

(23)

"Oatmeal"

19

2.73

8.37

4.03

(21)

"Cornmeal, whole ground"

20

2.96

8.37

4.07

-

Interpolated, see Preparation and use of the tables (Meaning of terms - Calories)

21

3.46

8.37

4.16

(21)

"Cornmeal, degerminated"

22

3.59

8.37

3.78

(56)

"Wheat, 97-100% extraction"

23

3.78

8.37

3.95

(56)

"Wheat, 85-93% extraction"

24-31

3.59

8.37

3.78

(56)

"Wheat, 97-100% extraction"

32

3.46

8.37

4.16

(21)

"Cornmeal, degerminated"

33

3.91

8.37

4.12

(23)

"Macaroni, spaghetti"

34-42

2.74

8.37

4.03

(21)

"Potatoes and starchy roots"

43

3.87

8.37

4.12

(56)

"Other cereals refined"

45

3.11

-

3.87

(56)

Protein factor from vegetables

54-56

3.47

8.37

1.68

(56)

Carbohydrate factor assumed, see Preparation and use of the tables (Meaning of terms - Calories)

58,69

3.47

8.37

1.68

(56)

Carbohydrate factor assumed, see Preparation and use of the tables (Meaning of terms - Calories)

61

3.47

8.37

1.68

(56)

Carbohydrate factor assumed, see Preparation and use of the tables (Meaning of terms - Calories)

72

2.44

8.37

3.57

(21)

"Other vegetables"

73-82

2.74

8.37

3.84

(21)

"Other underground crops"

83-91

2.44

8.37

3.57

(21)

"Other vegetables"

92

2.74

8.37

3.84

(21)

"Other underground crops"

93-115

2.44

8.37

3.57

(21)

"Other vegetables"

116




(21)

Weighted average2

¹ Almonds, 5.18; Brazil nuts, 5.46; others, 5.30.
2 Average of two vegetable groups: about 19% of the edible weight calculated by factors for "other underground crops" (as in Item 92), the remainder by those for "other vegetables" (as in Item 72).


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