[pct-l] Foods, calories and weights

[Tow, Doug]

Good afternoon!
 
Many readers are already familiar with these basics, but for those who
are not, here's a calorie/weight primer:
 
Energy values, measured in calories, come from fats, carbohydrates
(including sugars), and proteins.
 
Food weight = fats plus proteins plus carbohydrates plus water plus
non-caloric content, such as fibrous material, and the package.
 
Without water and non-caloric content, fats have about 250 calories per
ounce, and proteins and carbohydrates have about 110 calories per ounce.

 
Once you take out water and other non-caloric content, there is no
further "concentrating" calorie content.  Not MRE's, magic, or other
secret government programs.
 
If you find a food that you want to carry, and it has less than 100
calories per ounce, there is at least some water or non-caloric content.
If it's wet and still has over 100 calories per ounce, it's got to have
fats in it.  If it has a lot of fat content and is still under 100
calories per ounce, it probably has a lot of water and non-caloric
content.
 
Viewed from a non-vegetarian viewpoint:
For pure calories without a mess, cashews and macadamia nuts head the
list - they are almost pure, portable fat.
For pure calories from fat and sugar, Snickers and M & M Peanut, Jif,
and Nutella (yum on a tortilla, by the way).
For concentrated protein, lean beef jerky or water pack tuna in a pouch
(still quite a bit of water, though, and fairly low cal)
For concentrated protein and fat, dry salami.
For concentrated non-sugar carbohydrates, dry mashed potato flakes,
instant rice, pasta (angel hair cooks REALLY fast).
For all three categories together, explore all the granola, fiber bar,
Clif bar, and other like choices.  They really are all over the map, so
read those labels.
 
Yes, yes, take your fruits and vegetables, too, for fiber and variety.
Happy hiking!
 
Doug
 
 
 
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