Vegetarian Proteins
How long does rehydrated textured soy protein last in the fridge?
Rehydrated textured soy protein keeps 3–4 days in the fridge — USDA pins that window to the prepared product, so treat a tub of it exactly like cooked leftovers.
How long does it keep?
| Pantry, from purchase | 3–4 months |
|---|---|
| Fridge | 3–4 days |
- Fridge: Refrigeration time applies to prepared product.
Can it sit out?
Rehydrated textured soy protein is perishable — the FSIS 2-hour rule applies.
Perishable food left at room temperature for more than 2 hours should be thrown out — 1 hour if it’s 90°F or hotter (a picnic, a hot car, a summer kitchen).
How to tell if rehydrated textured soy protein has gone bad
- A sour or fermented smell when the lid comes off
- A tacky, slippery film on the granules
- Grey or pinkish patches through the mix
- A sodden, collapsing texture where it was springy
When in doubt, throw it out.
Quick answers
How long does rehydrated textured soy protein last in the fridge?
Rehydrated textured soy protein keeps 3–4 days in the fridge — USDA pins that window to the prepared product, so treat a tub of it exactly like cooked leftovers.
How long can rehydrated textured soy protein sit out?
The FSIS 2-hour rule applies to rehydrated textured soy protein. Perishable food left at room temperature for more than 2 hours should be thrown out — 1 hour if it’s 90°F or hotter (a picnic, a hot car, a summer kitchen).