Kategorie: Wszystkie - protein - milk - solubility - applications

przez Teoh Lee Yuan 4 lat temu

387

PROTEIN-BASED INGREDIENTS

PROTEIN-BASED 
INGREDIENTS

PROTEIN-BASED INGREDIENTS

SOY PROTEIN ISOLATE

Extracted from dehulled / defatted soybeans with water or mild alkali
Highly refined protein

SOY PROTEIN CONCENTRATE

Fortification of bars & cereals
Economical
High dietary fibre (20%)
Prepared through: acid leaching extraction with liquid alcohol protein denaturation with moist heat water extraction

MILK PROTEIN ISOLATES

Good emulsification & water binding properties
Icings
Whipped toppings
Frozen desserts
Retort stability for heat-treated product
Liquid nutritional supplements
Bakery items
Contain all essential amino acids from skim milk
Protein content: 89- 94%
Caseinates + soluble whey protein

CASEIN & CASEINATE

Applications: coffee whitener, cream liquers, sausages, whipped toppings, dried mix beverages
Properties: high solubility, low viscosity, clean flavour, excellent emulsification properties, freeze thaw stability, high fat and water binding ability
> 85% protein content
Through addition of acid / microbial culture to precipitae casein from whey
Produced from skim milk at pH 4.6

WHEY PROTEIN ISOLATES (WPI)

Properties: bland flavour high: gel strength, viscosity, aeration, water binding ability, solubility
Low lactose ( < 1%) ; low fat ( <0.5%)
High cost
> 90% protein content (pure protein)

WHEY PROTEIN CONCENTRATE (WPC)

Applications: egg substitutes, cakes, nutritional bars, high protein beverages, ice cream, frozen yoghurt
Functions: thickening agent, emulsifier, gelling agent to increase viscosity to improve texture
function over a wide pH range
~ 75% protein

WHEY PROTEIN

Denatured state
Lose its solubility at pH 4 to 6.5
Native state
Perform emulsification & whipping properties
Highly soluble
Serum / watery portion of milk that remains after cheese production
Contains all essential amino acids
Dry whey: 76% lactose, 13% protein, 1% fat & 10% ash
Lactose, minerals, protein, & trace of fats