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Soy Protein Isolate

soy protein isolateSoy protein isolate is the soy protein with the highest content of protein. It is made from defatted soy meal by removing most of the fats and carbohydrates, yielding a product with 90 percent protein. Therefore, soy protein isolate has a very neutral flavour compared to other soy products. Because most of the carbohydrates are removed, the intake of soy protein isolate does not cause flatulence. Pure soy protein isolate is difficult to find in stores and is mainly used by the food industry and less by consumers. Maybe you can find it in health stores or in the pharmacy section of the supermarket. It is mainly found combined with other food ingredients; for example, soy protein shake powder is a mixture of soy protein isolate with flavours, minerals and vitamins.

Use of soy protein isolate by consumers

You can use soy protein isolate in different ways. It can be added to your favourite juice, it can be added to milk shakes or smoothies, or it can be sprinkled on cereal to boost the protein content. Homemade soy yogurt, which is often too watery, can be made thicker by adding some soy protein isolate. The thickness of yogurt is the result of the coagulation of proteins in an acid environment.

Industrial use of soy protein isolate

Soy protein isolate is used in the food industry for nutritional (increasing protein content), sensorial (better mouthfeel, bland flavour) and functional reasons (for applications requiring emulsification, water and fat absorption and adhesive properties).

Soy protein isolate is used in following food products:
  • snacks
  • meal replacements
  • breakfast cereals
  • energy and protein bars
  • weight loss ready-to-drink beverages
  • soups, sauces and prepared foods
  • baked foods
  • ice cream, yogurt and other dairy or dairy-free products
  • meat alternatives
  • processed meat, poultry and fish products

Nutritional and health benefits of soy protein isolate

Soy protein isolate is a complete vegetable protein. It contains all essential amino acids for growth and it is equal in quality to the protein in meat, milk and eggs. On the other hand, it has a very low fat content. Soy protein isolate may reduce the risk of coronary heart disease. There are also indications that soy protein can help in the prevention of osteoporosis, some cancers and menopausal symptoms. However, soy protein isolate may have less health benefits than whole soybeans or soy protein concentrates. During the production of soy protein isolate the protein is washed with alcohol, removing most of the isoflavones. The isoflavones have many health benefits such as improving arterial vasodilatation, lowering cholesterol and inhibiting atherosclerosis.

Comments

I\'m getting hot flashes from soy isolate... Why?

I have been taken soy isolate because I use it in my low carb diet. I need it for alot of bread recipes. I have been getting alot of hot flashes when I sleep. I'm too young, they started when I use the soy isolate.


Tomiegirl - 27/10/2013

Isolated Soy Protein

Ok, here is my question. I bought some Isolated Soy Protein in bulk yesterday in the flour section of my store understanding it is the same as Soy Flour. Can it be used as a flour substitute or should I be using the actual Soy flour in my baking and cooking? I'm confused.

Thanks.
scpk2000 - 10/12/2013

Isolated Soy Protein

Soy protein is pure protein (= soy flour without its natural fibre and sugars). Soy flour and soy protein can both be added to foods to improve their nutritional value (mainly with extra protein) but cannot be used as wheat flour substitute. Soy protein is soluble in water, whereas soy flour isn't. This means that soy protein, but not soy flour, can be added to drinks such as fruit smoothies. I always add some soy protein to my soy milk for making firm soy yoghurt. For baking purposes you can substitute soy flour with soy protein, maybe you should use a bit less of it.
Rob - 10/12/2013

looking to buy isolated soya, in bulk packages 20-25kg each 1-2 container
need to know purity, analyzes , origin and best price
saeed - 24/07/2014

Manufacturer of soy protein isolate

we are a manufacturer of soy protein isolate from China.
hjc@sinoglorygroup.com
Han - 06/07/2015

soy protein isolate from china

soy protein isolate manufacturer peter@shansong.com
peter - 06/10/2015

Hot Flashes

You are getting hot flashes because soy contains a lot of Estrogen. When people complain about hormones in beef for example, a TINY amount of estrogen is given to steers to make them plump up like a woman (no offense intended). This pales in comparison to the estrogen found in soy.
Gary - 19/02/2016

Soy has plant estrogens which are not the same as animal bases estrogens.
Sue - 27/11/2017

Sales

We are top biggest producer and exporter of Soy Protein Isolated in China.update lowest price for you as bellow.

Isolated Soy Protein ( ISP ),FOB Qingdao,China USD2110/MT
Soy Dietary Fiber ( SDF ),FOB Qingdao,USD450/MT
Validity 5 days.
Any questions ask me freely,looking forward to start our ISP business in this year 2018.

Henry.Guo
International Sales Manager
Guanxian Ruixiang Biotechnology Development Co,.LTD.
Guanxian Industrial Zone,Liaocheng,Shandong Province,China
TEL:+86-635-2912059 | WeChat :+8613563020531
SKYPE:junzengguo | QQ:737239644
Email: gjzruixiang@hotmail.com
Top biggest producer of Isolated Soy Protein & Vital Wheat Gluten in China.
HERNY GUO - 03/04/2018

only isolated soy protein Manufacturer in India

We would like to introduce ourself as Shiv Group, an ISO 9001, 14001, 22000
Certified International Soya Company based in India.
Presently, we are the largest manufacturer of Soya products in India.
The latest feather in our hat is "Isolated Soy Protein, ISP"(Protein>90%).
The only manufacturing plant (fully Automated and Non-GMO plant) in India.
So we look forward to working with your renowned organisation & for your
revert to discuss about our exciting product.
Regards From
Shiv Health Foods LLP
shf@shiv.co.in
Pradeep Attal
+91-80589 16665
Pradeep Attal - 02/12/2018

Factory Bulk Sale of SPI (90%)

We are Xinrui Group, one of our factories processes soybean. Our SPI has good gel & emulsion, water & oil retention properties and the new type of SPI is dispersable and injectable. Welcome to our website to know us more: ww.xinruigroup.cn
Louise 008618963597736 inquiry@xinruigroup.cn
Louise - 11/06/2019

Soy protein Isolate for cheap and in the US

puritans Pride has amazing prices and soy protein isolate made in north america.
Erin - 29/07/2019

Holland & Barrett Soya

Anyone knows who is the producer of soya protein for Holland & Barrett?
Pedro - 08/03/2020

Chemical preservation of liquid soymilk for 9 months

Please which chemicals can be added to liquif soymilk to extend tbe shelflife to up to nine months?
Tony Ejike - 26/02/2021

Soy protein washed in water

What are the brands washed in an aqueous (not alcohol) solution? It is not on the labels. How can I find this information?
Catherine - 16/12/2021

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