Here’s a detailed guide to walnuts, a nutrient-dense nut with numerous health benefits:
1. Botanical Info
- Scientific name: Juglans regia
- Family: Juglandaceae
- Type: Tree nut, commonly called English or Persian walnut
- Origin: Native to Central Asia and the Middle East
- Appearance: Hard shell, wrinkled, brain-like seed inside
2. Nutritional Highlights (per 1 oz / ~28 g)
- Calories: ~185
- Protein: 4 g
- Fat: 18 g (mostly healthy unsaturated fats)
- Omega-3 (ALA): 2.5 g
- Carbohydrates: 4 g
- Fiber: 2 g
- Vitamins & Minerals:
- Magnesium: 45 mg
- Phosphorus: 98 mg
- Vitamin B6: 0.2 mg
- Folate: 27 mcg
3. Health Benefits
- Heart health: High in omega-3s, lowers LDL cholesterol, and supports healthy blood vessels
- Brain health: Antioxidants and polyunsaturated fats may support cognitive function
- Anti-inflammatory: Polyphenols reduce inflammation
- Weight management: Healthy fats and protein help with satiety
- Digestive health: Fiber supports regularity and gut microbiome
4. Culinary Uses
- Raw or roasted: Snack directly or toss into salads
- Baking: Muffins, breads, cookies, and granola bars
- Cooking: Pesto, sauces, or as a topping for vegetables and oatmeal
- Nut butters: Homemade walnut butter
- Smoothies: Ground walnuts add creaminess and nutrition
5. Storage Tips
- Keep raw walnuts in an airtight container in the fridge to prevent rancidity
- Shelled walnuts last ~6 months refrigerated, in-shell up to 12 months
- Freeze for longer storage without losing nutritional value
💡 Fun Fact: Walnuts are sometimes called “brain food” because their shape resembles the human brain and they are rich in nutrients that support cognitive function.
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