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Does Soy Milk Need To Be Refrigerated

Does Soy Milk Need To Be Refrigerated? Revealed (2023)

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Last Updated on August 14, 2023 by Shari Mason

If you’re a fan of soy milk like me, you might have wondered about the best way to store it.

Here’s the big question: does soy milk need to be kept cool in the refrigerator, or is it okay to leave it out?

Let’s learn more about how to care for our soy milk.

Bowl of Soy Milk

Yes, soy milk [1] must be refrigerated once opened, much like its dairy counterparts and other plant-based milk.

This is because it can foster the growth of harmful bacteria if left at room temperature for an extended period. 

“There’s no such thing as soy milk. It’s soy juice.”

– Lewis Black, American Comedian

Unopened soy milk, however, can remain unrefrigerated if it is of the UHT (Ultra High Temperature) variety which has been treated to kill bacteria and extend its shelf life.

It is always essential to read the storage instructions provided by the manufacturer on the packaging.

Can You Freeze Soy Milk?

You can freeze soy milk, but it’s important to note that the texture and taste might change once thawed. 

The freezing process can cause the water content in the milk to form ice crystals, leading to a grainy texture and possible separation of components when thawed. 

This may not be desirable for straight-up drinking, but it would still work for cooking or baking. So while freezing is an option, it is not the best for preserving the original qualities of soy milk.

Read:

Health Benefits Of Soy Milk

  1. Rich in Proteins: Soy milk contains a good amount of proteins which are vital for tissue repair and growth.
  2. Lactose-Free: It is an excellent option for lactose intolerant as it contains no lactose.
  3. Low in Fat: Soy milk is low in saturated fat, making it a healthier choice for those watching their cholesterol levels.
  4. Contains Essential Nutrients: It’s packed with essential nutrients, including potassium, calcium, and vitamins A, B12, and D.
  5. Heart-Healthy: It contains isoflavones believed to help lower harmful cholesterol levels, potentially reducing the risk of heart disease.
  6. Good for Bone Health: The calcium and vitamin D in fortified soy milk promote bone health and can help prevent osteoporosis.
  7. Antioxidant Properties: Soy milk contains antioxidants [2] that fight inflammation and prevent certain diseases.

How To Know If Soy Milk Is Bad?

2 Glasses of Soy Milk
  1. Change in Texture: Fresh soy milk has a smooth and liquid texture. If your soy milk becomes chunky or thicker, it’s a sign that it has spoiled.
  2. Sour Smell: Soy milk should have a mild, pleasant smell. It is likely past its prime if it gives off a sour or unpleasant odor.
  3. Change in Color: If your soy milk has turned from a creamy white to a yellowish hue, it is probably spoiled.
  4. Altered Taste: Spoiled soy milk will have a distinctly sour taste that differs from fresh soy milk.
  5. Mold Growth: Any sign of mold growth on the container or the liquid indicates that your soy milk has gone bad.
  6. Past Expiry Date: Although soy milk can last a few days past its expiration date if unopened and properly stored, it’s best not to consume it if it’s too far past this date.

“When it comes to soy milk, remember this adage: ‘Chill it to keep its thrill.’ Proper refrigeration is the secret to enjoying every sip of its healthy goodness.”

– Eat Pallet Restaurant & Food Advice

Tips On How To Store Soy Milk

  1. Refrigerate After Opening: Soy milk should continually be refrigerated to prevent spoilage.
  2. Seal Tightly: Ensure the carton or container is sealed tightly after every use to prevent the entry of bacteria.
  3. Use Within 7-10 Days: After opening, try to consume the soy milk within a week to 10 days. Even with refrigeration, it won’t last indefinitely.
  4. Store Away from Light: Soy milk should be kept in a cool, dark place to preserve its nutritional content and flavor.
  5. Don’t Leave at Room Temperature: Never leave an open carton of soy milk at room temperature for long periods, as it will speed up spoilage.
  6. Freezing is an Option: If you can’t consume the soy milk within its recommended timeframe, freezing is an option. However, note that freezing might change the texture and taste.
  7. Avoid Cross-contamination: Use clean utensils when handling soy milk to avoid introducing bacteria into the container.

FAQs

Can you leave soy milk at room temperature?

No, leaving soy milk at room temperature is not recommended once it’s opened. Doing so can lead to spoilage.

Unopened shelf-stable soy milk can be stored at room temperature but should be refrigerated after opening.

Can you consume soy milk after the expiration date? 

Yes, you can typically consume soy milk after the expiration date, but only for a few days to a week if it has been stored correctly and shows no spoilage.

Always rely on your senses – if it smells, looks, or tastes off, it’s best to throw it away to avoid foodborne illnesses. Always prioritize safety over consumption.

In Conclusion

Soy milk, like many other plant-based milk products, needs to be refrigerated once opened. This helps to maintain its quality, freshness, and health benefits for the longest time possible. 

While it’s feasible to freeze soy milk or consume it slightly past its expiration date, caution must be exercised. Always check for signs of spoilage and store them correctly to ensure safety and optimal enjoyment. 

References:

  1. https://www.webmd.com/diet/health-benefits-soy-milk
  2. https://www.healthline.com/nutrition/antioxidants-explained
Shari Mason
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