How long does Tamarind Paste / Concentrate (opened) last?
Tamarind Paste / Concentrate (opened) lasts 3–6 months in the fridge. Spoilage signs to check, storage tips, and cited food-safety sources.
Quick answer
Can I still eat it?
Use this as a conservative screen before you rely on the storage window. If anything seems unsafe, discard it.
Tamarind Paste / Concentrate (opened) is within the fridge window if it stayed cold/dry as required and shows no discard signs.
Sealed / unopened: 1 year (pantry, unopened, cool and dark)
Signs Tamarind Paste / Concentrate (opened) has gone bad
- Fuzzy white or green surface mold.
- Fermented, yeasty, or beer-like odour.
- Slimy patches or gas bubbles.
Still good if
- Darkening in colour over time with no mold and a normal sour aroma.
- A thin dry crust on top — scrape off if what's below smells clean.
Discard immediately if
- Any mold or fuzzy growth
- Off, rotten, or alcoholic smell
- Diluted or homemade paste left at room temperature beyond a short serving period
Why guidance varies
High natural tartaric/citric acidity and (in commercial jars) preservatives make concentrate very stable, but surface mold can still form if it's diluted, contaminated, or stored warm. Homemade pastes spoil faster.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Tamarind Paste / Concentrate (opened) last?
In the fridge: 3–6 months. In the pantry: 1–3 months. In the freezer: 9–12 months. Sealed / unopened: 1 year (pantry, unopened, cool and dark). Commercial tamarind concentrate is highly acidic. Cool, dark pantry storage after opening is generally acceptable for quality for about 1–3 months if the jar stays clean and dry-scooped; refrigeration (3–6 months) slows darkening and surface mold. Prefer glass and a dry spoon. Homemade or diluted paste should stay refrigerated or frozen — not pantry.
How can you tell if Tamarind Paste / Concentrate (opened) has gone bad?
Signs that Tamarind Paste / Concentrate (opened) has gone bad: Fuzzy white or green surface mold; Fermented, yeasty, or beer-like odour; Slimy patches or gas bubbles. Still good if: Darkening in colour over time with no mold and a normal sour aroma; A thin dry crust on top — scrape off if what's below smells clean.
What does the date label on Tamarind Paste / Concentrate (opened) mean?
Tamarind Paste / Concentrate (opened) usually carries a "Best By" date. A quality marker — the product is at peak quality before this date, but it’s safe to eat afterward if stored correctly. See our date-labels guide for the full breakdown.
Sources for this answer
- A FDA — Are You Storing Food Safely? — High-acid shelf-stable condiments may remain pantry-stable after opening; refrigerate if package says so or for longer quality.
- A USDA FSIS FoodKeeper data — Acidic condiments keep longer with clean handling; brand directions vary.