Water Chestnuts Nutrition Facts
Water chestnuts are aquatic tuber vegetables (not nuts) prized for their crisp, slightly sweet flesh that stays crunchy even after cooking. A staple in Chinese cuisine, they add texture contrast to stir-fries and fillings.
Nutrition Facts
Per 100g serving
Health Benefits
- ✓High potassium content (12% DV)
- ✓Unique ability to stay crisp when cooked
- ✓Good source of copper for enzyme function
- ✓Contains resistant starch for gut health
- ✓Low fat, moderate carbohydrate energy source
Best For
Storage
Canned water chestnuts keep years unopened; once opened, refrigerate in water for up to 1 week. Fresh water chestnuts keep refrigerated in a paper bag for 2 weeks. Peel just before using to prevent browning.
Serving Sizes
Frequently Asked Questions
Why do water chestnuts stay crunchy when cooked?
Water chestnuts contain a unique cell structure and high levels of ferulic acid that cross-link with cell walls, keeping them rigid even at high temperatures. This is why they stay crisp in stir-fries, soups, and even after canning - a property few vegetables share.
Are water chestnuts actually chestnuts?
No, water chestnuts are not nuts at all - they're aquatic tubers (corms) from a sedge plant grown in muddy water, like rice paddies. Tree chestnuts are entirely different. Water chestnuts are safe for people with tree nut allergies.
Fresh vs canned water chestnuts - is there a big difference?
Yes! Fresh water chestnuts are sweeter, juicier, and crunchier with a mild coconut-like flavor. Canned are more mild and slightly softer but still crisp. Fresh are harder to find and require peeling. For most recipes, canned work fine; for special dishes or raw eating, seek fresh.
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