Storage & Processing - (PDF VERSION)

Product

Process

Packaging

Characteristic,/ Application

Storage

Fresh

Fresh blueberries > packaged

Consumer packs: plastic clam shells, cello packs Cartons: 5 lb. (2.3 kg), 10 lb. (4.5 kg)

Available almost year round!Fresh or glazed topping on fresh baked cakes

32-34 F (0 - 1 C)90-95% relative humidity

Frozen

 

IQF (Individually Quick Frozen)

* >Fresh blueberries>individually quick frozen> packaged.

Consumer packs: poly bags.Bulk: Poly lines corrugated cartons 10-50 lb. (4.5 - 22.7 kg)Poly-lined metal drums: 270 lb. (122.5 kg)

Individual fresh fruit identity.Any formulation where fruit identity is important.

0 to -10 F

(-18 to -23 C)

Straight Pack

*>Fresh Blueberries> packaged> flash frozen.

Poly-lined corrugated cartons: 30-50 lb. (13.6 - 22.7 kg)Poly-lined metal drums: 350 lb. (158.8 kg)

High amount of fruit in a box., >A base ingredient for making toppings, syrups fillings and soups.

0 to -10 F

(-18 to -23 C)

Liquid

 

Single Strength Puree

*>Fresh blueberries> crushed>finished> pasteurized or cold filled in containers> frozen.

Plastic pails: 28, 30 lb. (12.7, 13.6 kg)Poly lined corrugated cartons: 25,30 lb. (12.7, 13.6 kg)

Poly lined metal drums: 55 gal (208 l) 400 lb. (181 kg)

Brix: 8.0 -13.0

pH: 2.8 -3.5>Used in, sauces, flavorings and fillings.

0 to -10 F

(-18 to -23 C)

Puree Concentrate

*>Fresh blueberries> crushed > heat/enzyme treated> vacuum concentrated > pasteurized > packaged > frozen.

Plastic pails: 4,6 gal (15.1, 22.7 l)28,30,60 lb. (12.7, 13.6, 27.2 kg)

Poly-lined metal drums filled to desired Brix levels.

Brix Ranges: 20,37, 40

pH: 2.8 - 3.4>Juices, sauces, blends.

0 to -10 F

(-18 to -23 C)

Single Strength Juice

Fresh berries > crushed > pressed > filtered > pasteurized > packaged > frozen

Plastic pails: 5,6 gal (18.9, 22.7 l) 28,30,60 lb. (12.7,13.6, 27.2 kg)Poly-lined metal drums filled to desired Brix levels.

Brix: 8.0 - 12.0

pH: 2.8 - 3.4>All natural fruit juices.

0 to -10 F

(-18 to -23 C)

Juice Concentrate

Fresh blueberries > crushed > heat/enzyme treated > vacuum concentrated > packaged > frozen.

Plastic pails: 5,6 gal (18.9, 22.7 l)

50,66 lb. (22.7, 29.9 kg)Poly-lined metal drums filled to desired Brix levels.

Brix: 45.0, 65.0

pH: 2.1 - 2.7>Used in fruit juices and also as sauce flavor.

0 to -10 F

(-18 to -23 C)

Essence

+ >volatile flavor components distilled off from juice and concentrate process > packaged.

Plastic pails: 5,6 gal (18.9, 22.7 l) and other sizes.

Intensive blueberry flavor found in no artificial flavoring.>Used to boost blueberry flavor in tandem with berries. Also brewing flavor.

Tightly closed container at 40F (4 C) or lower

Shelf Stable

 

Canned
Canned (Packed in Water)

Fresh or frozen blueberries > placed in cans > light or heavy syrup added > sealed > heated.
Fresh or frozen blueberries>placed in cans>water added>sealed>heated.

Cans: #2, #21/2 #10, other sizes

Various levels of fruit content depending on supplier and application.

Shelf stable in a cool, dry place.

Bakery fruit fillings

Fresh or frozen blueberries and/or other forms > sweetener and starch/gum based slurry added > heated > packaged to specifications. (differs from supplier to supplier)

Plastic and foil pouches, 5 gal plastic pails (18.9 l) and 55 gal drums.(208.2 l)

Various levels of fruit content depending upon supplier and end use.>Used in Danish, fruit fillings and toppings.

Shelf stable in a cool, dry place.

Dried

 

Dehydrated

*Fresh or frozen blueberries > air dehydrated to around 11-18 % moisture > further processed to dried fruit specs: i.e. oil coated, diced etc.

Poly- lined corrugated boxes:5, 10, 25 lb.

Moisture: 11-18 % Water Activity: 0.5-0.6

Shelf stable in a cool, dry place.

Freeze Dried

* Fresh or frozen blueberries > flash frozen > moisture removed in vacuum chamber > sealed in moisture proof bags.

Poly lined corrugated boxes,(10 lb.) and other custom sizes

Moisture level (unsweetened): 0-2 %

Moisture level: (sweetened): 9-14%

Stable at room temperature for 3 months, after that store at 40 F.

Drum Dried/Powders

* Fresh or frozen blueberries or puree > drum dried > ground into powder or flakes to specifications

Poly lined corrugated boxes,(10 lb.) and other custom sizes

Moisture Content: 3-5%Available in various screen sizes and granule consistency..

Stable at room temperature for 3 months, after that store at 40 F.

Other `

Real fruit bits and chips are formulated out of a blend of puree and other ingredients.

10 lb. boxes and other custom sizes.

Fruit Content: 30-40 %>Used in cookies and other baking and snack applications.

Shelf stable in a cool, dry place.

Copyright 2002 - U.S. Highbush Blueberry Council