Store-bought almond milk can last for 1-2 months unopened, depending on storage conditions, and 8-10 days after opening.
Here's a more detailed breakdown:
Unopened Almond Milk
- Shelf-Stable: Unopened, shelf-stable almond milk (the kind found in aseptic packaging on store shelves, not refrigerated) can typically last for 1-2 months beyond the "best by" date printed on the carton, provided it's stored in a cool, dark, and dry place.
- Refrigerated: Unopened, refrigerated almond milk should be used by the "best by" date on the carton.
Opened Almond Milk
- General Rule: Once opened, both shelf-stable and refrigerated almond milk should be consumed within 8-10 days.
- Storage: Always refrigerate opened almond milk promptly and keep the container tightly sealed.
Factors Affecting Shelf Life
Several factors can influence how long almond milk remains fresh:
- Storage Temperature: Fluctuations in temperature can shorten the shelf life.
- Contamination: Introducing bacteria during pouring or handling can cause spoilage.
- Type of Almond Milk: Different brands and formulations may have varying shelf lives due to different processing techniques and preservatives.
Signs of Spoilage
Discard almond milk if you notice any of the following:
- Sour Smell: An off or sour odor is a clear indication of spoilage.
- Changes in Texture: A lumpy or curdled texture is a sign the almond milk has gone bad.
- Changes in Color: Discoloration or mold growth is a warning sign.
- Off Taste: If it tastes sour, bitter, or otherwise unpleasant, do not consume it.
In summary, unopened almond milk has a fairly long shelf life, but once opened, it should be consumed within a week to ten days and always kept refrigerated. Always rely on your senses (smell, appearance, taste) to determine if almond milk is still safe to consume.
