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回复 cannysh 14# 帖子
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Composition
The E471 emulsifier is composed of two molecules known as glyceryl monostearate and glyceryl distearate. It is manufactured from glycerine (E422), which can be obtained from either animal fats or soy bean oil.
Usage
E471 is frequently used as an anti-staling agent in baked goods, such as breads, cakes and pies. It can also be found in potato crisps, dessert toppings, aerosol creams, custard powder, margarine spreads and ice cream.
Warning
E471 can sometimes contain animal sources that are not suitable for vegetarians, vegans, or for those who are following a halal diet. Check the food packaging for clarification; a vegetarian-friendly product will have a special stamp indicating it is so.
A. Emulsifiers are substances which stabilise mixtures and prevent oil and water from separating. In a salad dressing, for instance, an emulsifier keeps the oil and vinegar mixed so they don't separate into two layers on standing.
Emulsifiers are used in baking to help incorporate fat into the dough and to keep the crumb soft and tender. So they turn up in breads, cakes, cake mixes and pastry.
They help form an emulsion to make mousses, meringues, ice-cream, mayonnaise, salad creams and margarine.
You'll commonly find emulsifiers in things like
Bread
Cakes
Margarine / low fat spread
Salad dressings
Ice-cream
Frozen desserts eg cheesecake, chocolate mud cake
Coffee whiteners
Dried potato
Peanut butter
Marshmallows
Chocolate coatings eg Ice Magic
Caramels
Toffees
Chewing gum
Many emulsifiers such as lecithin and glycerides are closely related to fats and are considered quite safe.
Lecithin (code number 322) is one of the most common emulsifiers used. It's extracted from soy and also sold as a food supplement in health food stores. It's rich in B group vitamins and choline.
Other common emulsifiers are sorbitan monostearate (491) and mono- and di-glycerides of fatty acids (471) and polysorbate 80 (433).
Here's a complete list ALL the approved emulsifiers and their code numbers. Note that the commonly used ones are lecithin 322 and mono-and di-glycerides of fatty acids 471:
322
Lecithin
431
Polyethylene (40) stearate
433
Polysorbate 80
435
Polysorbate 60
436
Polysorbate 65
442
Ammonium salts of phosphatidic acid
444
Sucrose acetate isobutyrate
450
Potassium pyrophosphate or Sodium acid pyrophosphate or Sodium pyrophosphate
452
Potassium polymetaphosphate or Sodium metaphosphate, insoluble or Sodium polyphosphates, glassy
470
Salts of fatty acids
471
Mono- and di-glycerides of fatty acids
472a
Acetic and fatty acid esters of glycerol
472b
Lactic and fatty acid esters of glycerol
472c
Citric and fatty acid esters of glycerol
472e
Diacetyltartaric and fatty acid esters of glycerol
472f
Mixed fatty acid esters of glycerol
473
Sucrose esters of fatty acids
475
Polyglycerol esters of fatty acids
476
Polyglycerol esters of interesterified ricinoleic acid
477
Propylene glycol mono - and di-esters or Propylene glycol esters of fatty acids
480
Dioctyl sodium sulphosuccinate
481
Sodium lactylate or sodium oleyl lactylate or sodium stearoyl lactylate
482
Calcium lactylate or Calcium oleyl lactylate or Calcium stearoyl lactylate
491
Sorbitan monostearate
Read more: http://foodwatch.com.au/faqs-add ... -the-label.html#ixz
[ 本帖最后由 yanmin2k 于 2012-7-5 22:05 编辑 ] |
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