How long can homemade soy milk stay good without refrigeration, if properly stored in an airtight bottle?
If you are making homemade soy milk it will only last a few days stored in your refrigerator because there are no preservatives added to the milk. Storing soy milk is like any other milk that is stored. You need to take precautions when the milk is opened and store it in the refrigerator. Here is a really good article about homemade and store boughten soy milk. I think it would be a good idea to read the full article to learn a bit more about homemade soy milk and some ways that might help you to make it last a bit longer. www.doesitgobad.com/
I believe you may be thinking about the soy (and other types) milk that you can purchase that is in a sealed container and does not have to be refrigerated until opened.
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How do I preserve soy milk without refrigeration?
By JOSEPH from Ghana, West Africa
You shouldn't. Soybean products are very prone to spoilage. Tofu, for example, goes bad within days, even in the refrigerator.
The only way to store soymilk at room temperature is to have it prepared commercially, in a sterile environment. Many companies, for example, sell their soymail in rectangular foil paper containers. These can be stored unrefrigerated for up to a year. You can find many varieties in Asian markets and Chinatowns. The soymilk is ultrapasteurized at high temperatures and then sealed in an extremely sterile environment, something that cannot be achieved at home.
If you have no easy access to packaged soymilk but want it year round, your best bet is to buy dry soy beans which can be stored unrefrigerated. When you want soymilk, simply rehydrate and use an electric soymilk maker to make fresh soymilk.
Alternatively, you can also buy instant soymilk powder, available in many Asian markets. Many are already flavored.
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I have just started processing soy milk and by all looks, it's going to be be a nice project. How can I preserve it without using refrigeration to stay for some 30 days?
