USDA FOOD CLASSIFICATIONS AND RECOMMENDED
High-Acid Foods
Food Type
Method
Apples
Apricots
Blackberries
Blueberries
Cherries
Grapefruit
Nectarines
Oranges
Peaches
Pears
Plums
Raspberries
Rhubarb
Tomatoes - Juice
(with acid added)
Tomatoes - Whole
or Halved - No
Liquid (with acid
added)
Tomatoes -
Crushed,Quartered
- No Liquid Added
(with acid added)
COOKING TIMES
Process
Time
Pack
(minutes)
Pint
Quart
Jars
Jars
Hot
8
8
Raw
10
10
Hot
10
10
Raw
8
10
Hot
8
8
Raw
8
10
Hot
8
8
Raw
10
10
Hot
8
10
Raw
8
10
Hot
10
10
Raw
10
10
Hot
10
10
Raw
8
10
Hot
10
10
Raw
10
10
Hot
10
10
Hot
10
10
Raw
10
10
Hot
10
10
Raw
8
10
Hot
8
8
Hot
8
8
Hot
20
15
Hot
20
15
Raw
40
40
Raw
25
25
Hot
20
20
Hot
15
15
PSI (pounds
per square inch
of pressure)
Under
Over
1,000
1,000
ft.
ft.
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
5 lb
10 lb
10 lb
15 lb
10 lb
15 lb
10 lb
15 lb
10 lb
15 lb
10 lb
15 lb
10 lb
15 lb
17