Table 7
Storage requirements and properties of perishable products
|
| Storage Conditions |
|
|
|
| Specific | Specific | Latent | Product | ||
|
|
|
|
| Highest | Heat | Heat | Heat | Loading | |||
|
|
|
|
|
|
|
| |||||
| Storage |
| Relative |
| Approximate |
| Freezing | Above | Below | of | Density | |
Commodity | Temp. |
| Humidity |
|
| Storage |
| Point | Freezing | Freezing | Fusion | Approx. |
(Alphabetical Listing) | ºF. |
| % |
|
| Life* |
| ºF. | BTU/lb./F | BTU/lb./F | BTU/lb. | lb./Cu. Ft. |
|
|
|
|
|
|
|
|
|
|
|
|
|
Apples | 30 - 40 |
| 90 |
| 3 |
| 29.3 | 0.87 | 0.45 | 121 | 28 | |
Apricots | 31 - 32 |
| 90 |
| 1 - 2 weeks |
| 30.1 | 0.88 | 0.46 | 122 | 30 | |
Artichokes (Globe) | 31 - 32 |
| 95 |
|
| 2 weeks |
| 29.9 | 0.87 | 0.45 | 120 | — |
Asparagus | 32 - 36 |
| 95 |
| 2 |
| 30.9 | 0.94 | 0.48 | 134 | 25 | |
Avocados | 45 - 55 |
| 85 - 90 |
| 2 |
| 31.5 | 0.72 | 0.40 | 94 | 19 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
Bananas | 55 - 65 |
| 85 - 90 |
|
| — |
| 30.6 | 0.80 | 0.42 | 108 | — |
Beans (Green or Snap) | 40 - 45 |
| 90 - 95 |
| 7 - 10 days |
| 30.7 | 0.91 | 0.47 | 128 | 14 | |
Lima | 32 - 40 |
| 90 |
|
| 1 week |
| 31.0 | 0.73 | 0.40 | 94 | — |
Beer, Keg | 35 - 40 |
| — |
| 3 - 8 weeks |
| 28.0 | 0.92 | — | 129 | — | |
Bottles, Cans | 35 - 40 |
| 65 or below |
| 3 | - 6 months |
| 28.0 | 0.92 | — | 129 | — |
Beets, Topped | 32 |
| 95 - 100 |
| 4 | - 6 months |
| 30.1 | 0.90 | 0.46 | 126 | 23 |
Blackberries | 31 - 32 |
| 95 |
|
| 3 days |
| 30.5 | 0.88 | 0.46 | 122 | 19 |
Blueberries | 31 - 32 |
| 90 - 95 |
|
| 2 weeks |
| 29.7 | 0.86 | 0.45 | 118 | 19 |
Bread, Baked | — |
| — |
| 1 | - 3 months |
| 16 to 20 | 0.70 | 0.34 | 46 - 53 | — |
|
|
|
|
|
|
|
|
|
|
|
| |
Dough | 35 - 40 |
| 85 - 90 |
| 3 - 72 hours |
| — | 0.75 | — | — | — | |
Broccoli, Sprouting | 32 |
| 95 |
| 10 - 14 days |
| 29.0 | 0.92 | 0.47 | 130 | 13 | |
Brussels Sprouts | 32 |
| 95 |
| 3 - 5 weeks |
| 30.5 | 0.88 | 0.46 | 122 | — | |
Cabbage | 32 |
| 95 - 100 |
| 3 | - 4 months |
| 30.4 | 0.94 | 0.47 | 132 | 17 |
Carrots, Topped, Mature | 32 |
| 98 - 100 |
| 5 | - 9 months |
| 29.5 | 0.90 | 0.46 | 126 | 22 |
Cauliflower | 32 |
| 95 |
| 2 - 4 weeks |
| 29.0 | 0.93 | 0.47 | 132 | 16 | |
Celery | 32 |
| 95 |
| 1 | - 2 months |
| 31.1 | 0.95 | 0.48 | 135 | 30 |
Cherries, Sour | 31 - 32 |
| 90 - 95 |
|
| 3 - 7 days |
| 29.0 | 0.87 | — | 120 | 18 |
Sweet | 30 - 31 |
| 90 - 95 |
| 2 - 3 weeks |
| 28.8 | 0.84 | — | — | — | |
Chocolate (Coating) | 50 - 65 |
| 40 - 50 |
| 2 | - 3 months |
| 95 - 85 | 0.55 | 0.30 | 40 | — |
Cocoa | 32 - 40 |
| 50 - 70 |
| 1 year, plus |
| — | — | — | — | — | |
Coconut | 32 - 45 |
| 80 - 85 |
| 1 | - 2 months |
| 30.4 | 0.58 | 0.34 | 67 | — |
Coffee (Green) | 35 - 37 |
| 80 - 85 |
| 2 | - 4 months |
| — | 0.30 | 0.24 | 147 - 21 | — |
Collards | 32 |
| 95 |
| 10 - 14 days |
| 30.6 | 0.90 | — | — | — | |
Corn, Sweet (Fresh) | 32 |
| 95 |
|
| 4 - 8 days |
| 30.9 | 0.79 | 0.42 | 106 | 16 |
Cranberries | 36 - 40 |
| 90 - 95 |
| 2 | - 4 months |
| 30.4 | 0.90 | 0.46 | 124 | 22 |
Cucumbers | 50 - 55 |
| 90 - 95 |
| 10 - 14 days |
| 31.1 | 0.97 | 0.49 | 137 | 20 | |
Currants | 31 - 32 |
| 90 - 95 |
| 10 - 14 days |
| 30.2 | 0.88 | 0.45 | 120 | — | |
Daily Products |
|
|
|
|
|
|
|
|
|
|
|
|
Cheddar Cheese | 40 |
| 65 - 70 |
|
| 6 months |
| 8.0 | 0.50 | 0.31 | 53 | 40 |
Processed Cheese | 40 |
| 65 - 70 |
| 12 months |
| 19.0 | 0.50 | 0.31 | 56 | 40 | |
Butter | 40 |
| 75 - 85 |
|
| 1 months |
| 0.50 | 0.25 | 23 | — | |
Cream | 35 - 40 |
| — |
| 2 - 3 weeks |
| 31.0 | 0.66 - 0.80 | 0.36 - 0.42 | 79 - 107 | — | |
Ice Cream |
| — |
| 3 - 12 months |
| 21.0 | 0.66 - 0.70 | 0.37 - 0.39 | 86 | 25 | ||
Milk, Fluid Whole |
|
|
|
|
|
|
|
|
|
|
|
|
Pasteurized, Grade A | 32 - 34 |
| — |
| 2 | - 4 months |
| 31.0 | 0.93 | 0.46 | 125 | — |
Condensed Sweet | 40 |
| — |
| 15 months |
| 5.0 | 0.42 | 0.28 | 40 | — | |
Evaporated | 40 |
| — |
| 24 months |
| 29.5 | 0.79 | 0.42 | 106 | — | |
Dates (Dried) | 0 or 32 |
| 75 or less |
| 6 - 12 months |
| 3.7 | 0.36 | 0.26 | 29 | 24 | |
Dewberries | 31 - 32 |
| 90 - 95 |
|
| 3 days |
| 27.0 | 0.88 | — | — | — |
|
|
|
|
|
|
|
|
|
|
|
| |
Dried Fruits | 32 |
| 50 - 60 |
| 9 - 12 months |
| — | 0.31 - 0.41 | 0.26 | 20 - 37 | 45 | |
Eggplant | 45 - 50 |
| 90 - 95 |
| 7 - 10 days |
| 30.6 | 0.94 | 0.48 | 132 | — | |
Egg, Shell | 29 - 31 |
| 80 - 85 |
| 5 | - 6 months |
| 28.0 | 0.73 | 0.40 | 96 | 19 |
Shell, Farm Cooler | 50 - 55 |
| 70 - 75 |
| 2 - 3 weeks |
| 28.0 | 0.73 | 0.40 | 96 | 19 | |
Frozen, Whole | 0 or below |
| — |
| 1 year, plus |
| 28.0 | 0.73 | 0.42 | 106 | 41 | |
Endive (Escarole) | 32 |
| 95 |
| 2 - 3 weeks |
| 31.9 | 0.94 | 0.48 | 132 | — | |
Figs, Dried | 32 - 40 |
| 50 - 60 |
| 9 - 12 months |
| — | 0.39 | 0.27 | 34 | 45 | |
Fresh | 31 - 32 |
| 85 - 90 |
| 7 - 10 says |
| 27.6 | 0.82 | 0.43 | 112 | 21 | |
Fish, Fresh | 30 - 35 |
| 90 - 95 |
| 5 - 15 days |
| 28.0 | 0.70 - 0.86 | 0.38 - 0.45 | 89 - 112 | — | |
Haddock, Cod | 30 - 35 |
| 90 - 95 |
|
| 15 days |
| 28 | 0.82 | 0.43 | 112 | 35 |
Salmon | 30 - 35 |
| 90 - 95 |
|
| 15 days |
| 28 | 0.71 | 0.39 | 92 | 33 |
Smoked | 40 - 50 |
| 50 - 60 |
| 6 | - 8 months |
| — | 0.70 | 0.39 | 92 | — |
Shellfish, Fresh | 30 - 33 |
| 86 - 95 |
|
| 3 - 7 days |
| 28.0 | 0.83 - 0.90 | 0.44 - 0.46 | 113 - 125 | — |
Tuna | 30 - 35 |
| 90 - 95 |
|
| 15 days |
| 28.0 | 0.76 | 0.41 | 100 | 35 |
Furs and Fabric | 34 - 40 |
| 45 - 55 |
| several years |
| — | — | — | — | — | |
Garlic, Dry | 32 |
| 65 - 70 |
| 6 | - 7 months |
| 30.5 | 0.69 | 0.40 | 89 | — |
Gooseberries | 31 - 32 |
| 90 - 95 |
| 2 - 4 weeks |
| 30.0 | 0.90 | 0.46 | 126 | 19 | |
Grapefruit | 50 - 60 |
| 85 - 90 |
| 4 - 6 weeks |
| 30.0 | 0.91 | 0.46 | 126 | 30 | |
Grapes, American Type | 31 - 32 |
| 85 - 90 |
| 2 - 8 weeks |
| 29.7 | 0.86 | 0.44 | 116 | 29 | |
European Type | 30 - 31 |
| 90 - 95 |
| 3 | - 6 months |
| 28.1 | 0.86 | 0.44 | 116 | 29 |
|
|
|
|
|
|
|
|
|
|
|
| |
Greens, Leafy | 32 |
| 95 |
| 10 - 14 days |
| 30.0 | 0.91 | 0.48 | 136 | 32 | |
Guavas | 45 - 50 |
| 90 |
| 2 - 3 weeks |
| — | 0.86 | — | — | — | |
Honey | 38 - 50 |
| 50 - 60 |
| 1 year, plus |
| — | 0.35 | 0.26 | 26 | — | |
Horseradish | 30 - 32 |
| 95 - 100 |
| 10 | - 12 months |
| 28.7 | 0.78 | 0.42 | 104 | — |
Kale | 32 |
| 95 |
| 3 | - 4 months |
| 31.1 | 0.89 | 0.46 | 124 | — |
Kohlrabi | 32 |
| 95 |
| 2 - 4 weeks |
| 30.2 | 0.92 | 0.47 | 128 | — | |
Leeks, Green | 32 |
| 95 |
| 1 | - 3 months |
| 30.7 | 0.88 | 0.46 | 126 | — |
Lemons | 32 or 50 - 58 |
| 85 - 90 |
| 1 | - 6 months |
| 29.4 | 0.91 | 0.46 | 127 | 33 |
Lettuce Head | 32 - 34 |
| 95 - 100 |
| 2 - 3 weeks |
| 31.7 | 0.96 | 0.48 | 136 | 25 | |
Limes 48 - 50 | 85 - 90 |
| 6 - 8 weeks |
|
| 29.1 |
| 0.89 | 0.46 | 122 | 32 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
* Not based on maintaining nutritional value. |
|
|
|
|
| Reprinted by permission from 1974 ASHRAE Applications Handbook. |
15