ENERGY CONTENT OF COMMON FOODS

Food

Kcal/100g

Fruits

Apples

52

Apricots

48

Bananas

89

Figs

74

Grapefruit

32

Guavas

51

Mangos

65

Melons, cantaloupe

34

Oranges

47

Strawberries, raw

32

Tomatoes, red

18

Vegetables

Asparagus, raw

20

Broccoli, cooked

35

Carrots, raw

41

Chickpeas, cooked

164

Corn, sweet, yellow, raw

86

Cucumber, peeled, raw

12

Lentils, cooked

101

Lettuce, romaine, raw

17

Mushrooms, raw

22

Onions, raw

42

Peas, edible-podded, raw

42

Peppers, sweet, red, raw

26

Pickles, cucumber, dill

18

Potato, flesh and skin, raw

77

Potatoes, russet, raw

79

Food

Kcal/100g

Meats and proteins

Beans, black, cooked

132

Beans, navy

67

Beef

230-400

Catfish, channel, wild, raw

95

Caviar

252

Chicken

200-500

Cod, atlantic, raw

82

Crab, blue, raw

87

Flatfish (flounder and sole), raw

91

Herring, atlantic, raw

158

Lamb

150-500

Mixed nuts, dry roasted

594

Peanut butter

635

Pork, cooked

418

Salmon, Atlantic, wild, raw

142

Shrimp, raw

106

Soybeans, cooked

141

Tofu, firm

77

Turkey

205

Dairy

Cheese, brie

334

Cheese, cheddar

403

Cheese, swiss

380

Egg, whole, raw, fresh

147

Milk, whole, 3.25% milkfat

60

Yogurt, plain whole milk

61

Fats and Oils

Butter

717

Margarine

719

Olive oil

884

Grains

Bread, french

274

Bread, rye

259

Bread, whole-wheat

246

Cereal, breakfast

300-450

Cookies, chocolate chip

497

Crackers, matzo

351

Rice noodles, cooked

109

Rice, white, cooked

130

Spaghetti, cooked

141

Alcohol

Beer

33

Whiskey, 86 proof

250

Wine

77

Source. U. S. Department of Agriculture, Agricultural Research Service, 2003.

25. ENERGY CONTENT OF WASTES

 

Waste

Energy content (Mj/kg)

Agriculture and foods

Animal fats

39.5

Barley dust

24

Citrus rinds

4

Cocoa waste

18

Coffee grounds

22.8

Corn cobbs

17.5

Corn shelled

19.9

Cotton hulls

24.7

Cotton husks

18.4

Dry food waste

18.1

Furfural

33.3

Grass (lawn)

4.7

Grape stalks

7.9

Starch

18.1

Straw (dry)

14

Sugar

16

Sunflower husks

17.7

Bagasse

21.3

Feedlot manure

17.2

Rice hulls

15.4

Rice straw

15.2

Municipal solid waste

General municipal waste

13.1

Brown paper

1.9

Cardboard

18.2

Corrugated boxes

16.4

Food fats

38.8

Garbage

19.7

Glass bottles

0.2

Magazine paper

12.7

Metal cans

1.7

Oils, paints

31.2

Paper food cartons

18.0

Rags

14.0

Rubber

26.4

Paper

Brown paper

16.5

Buttered paper

20.3

Cardboard

20

Corrugated boxes

17.7

Fiber board

16.5

Food cartons

11.2

Magazines

11.2

 

Waste

Energy content (Mj/kg)

Newspapers

18.1

Plastic coated paper

16.5

Tar paper

23.5

Waxed milk cartons

25.1

Wood

Sawdust and chips

dry

17.4

30% wet

15.1

40% wet

12.8

50% wet

10.5

Synthetics/plastics

Algea

15.6

Cellulose

17

Gelatin

18.4

Gluten

24.2

Melamine

20.1

Naphthene

40.2

Nylon

27

Phenol-formaldehyde

35.1

Polethylene

46.5

Polypropylene

46.5

Polystyrene foam

41.9

Polyurethane

30.2

Polyvinyl acetate

22.8

Polyvinyl chloride

20

Urea-formaldehyde

17.7

Solvents

Acetone

30.8

Benzene

41.6

Chloroform

3.1

Dichlorobenzene

19

Diethyl ketone

40.5

Diisopropyl ketone

38.4

Ethyl acetate

24.7

Ethanol

29.5

Ethylene dichloride

10.9

Ethylene glycol

19.1

Heptane

46.5

Isopropyl alcohol

33

Methanol

22.6

Methyl butyl ketone

37.4

Methyl ethyl ketone

34

Methyl isopropyl ketone

35.6

Toluene

42.3

Xylene

42.8

Table continued

Waste

Energy content (Mj/kg)

Sewage

Raw sewage

16.5

Sewage sludge

4.7

Miscellaneous

Asphalt

39.8

Cellophane

14.9

Latex

23.3

Leather

18.9

Leather trimmings

17.8

Leather shreddings

19.8

Lignin

14

Linoleum

17.9

Lubricants (spent)

27.9

Paint (waste)

19-29

Pigbristles

21.4

Pitch

35.1

Rubber

23.3

Tires

34.9

Black liquor

13.7

Paper pellets

15.2

Peat

9.3

Railroad ties

14.7

Sludge waste

8.7

Sludge wood

11.7

Solid byproducts

30.0

Spent sulfite liquor

14.8

Utility poles

14.5

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