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Could Soy Sauce Reduce Salt in Food?

In college, my roommates and I had a desk drawer stuffed shut with extra hot mustard, duck sauce and soy sauce packets.

Now, despite soy's salty reputation, food scientists believe adding soy sauce to food could cut salt without sacrificing flavor.

Swapping soy into salad dressings and soup is capable of dropping salt content by 17% to 50%.

The spread of the Western diet means more and more people are eating too much salt, and some governments are putting pressure on food manufactures to reduce salt content. Soy sauce might be the answer.

So, a new study in Journal of Food Science put the idea to the test. Consumers were asked to test five samples of food, and rate each one's taste. Results showed it's possible to use soy sauce, and not lose overall taste intensity, i.e. flavor.

But, food experts say it could take people a while to associate soy's smell with saltiness, just like diarrhea with olestra fat-free potato chips.

Via Food Navigator.

More like this in Food and Psychology · Jul 17, 2009
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7 Comments

E.L. on 07/17/09

Sure, you might be able to reduce the amount of salt you use when you're cooking, but is it really a good thing? Check out the Junkfood Science blog for a good article on the fallacy that salt is bad for you. If you don't feel like reading the whole thing, here's a pertinent snippet: The lowest sodium intakes — the 1500 mg/day that the New York health department says everyone should be eating — were associated with an 80% higher risk of cardiovascular disease compared with those consuming the highest salt diets. The lowest salt intakes were also associated with a 24% higher risk of all-cause mortality.

Is there a certain subset of people who would benefit from a low salt diet? Yes, but odds are, you're not one of them.

Face facts, folks. Not all recommendations and guidelines set out by the "experts" makes sense.

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Spectra on 07/17/09

Hold on one second...you can reduce the amount of salt you use, but would you necessarily use less sodium? Soy salt is high in MSG, which is just another form of sodium. I find soy sauce to taste saltier than salt though...I think it has to do with the fact that the monosodium glutamate stimulates the taste buds better than ordinary salt does.

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julie on 07/17/09

I like soy sauce better too. I think because it's "saltier", you need less of it, then if you were using salt. MSG = umami.

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Jody - Fit at 51 on 07/17/09

Jeez, I don't know here.... another study! I will keep doing what I am already doing. I use a lot of salt free seasonings so I don't worry too much about the few foods I eat that have more sodium. Plus, since I exercise a lot, I do have a balancing act to not get too low on sodium since I tend to eat pretty healthy. Spectra has an interesting point!

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FitJerk - Flawless Fitness Blog on 07/17/09

Instead of replacing how about just eating salt in MODERATION? Train your lazy a$$es to be accustomed to eating less salt and you won't have to run around looking for substitutions. This is a general concept but one that's worked for me quite well.

As for soy sauce... meh.. not bad. I don't mind it's flavor but it can't go on everything.

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Loot on 07/18/09

Was this study funded by the soy/soy sauce industry?

And, instead of replacing salt.. how about less processing of foods (to retain flavour) and weening yourself off high salt.

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Dave on 07/20/09

The argument above isn't completely sound. People with the super-low sodium diets are on them due to a pre-existing condition that puts them into the category of needing such a diet. Most people eating like that have already been to the hospital for heart conditions, hypertension, etc. and thus are already at risk. The diet is correlated, but not causal.

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