Whole food · Nut and Seed Products
Photo: Wikipedia
Dry-roasted hazelnuts are golden-brown, crunchy kernels with a rich, buttery flavor and a subtly sweet, toasty aroma. Their texture is satisfyingly firm with a slight snap, and the roasting process intensifies their natural oils. Nutritionally, they are a powerhouse of healthy fats and provide a solid protein boost per serving.
People adore hazelnuts for their luxurious, sweet-nutty taste that elevates both sweet and savory dishes. Their versatility makes them a staple in everything from rustic trail mixes to elegant European pastries.
As a tree nut, hazelnuts are a common allergen and must be avoided by those with allergies. Their high calorie density means portion control is key, and the roasting can slightly reduce heat-sensitive nutrients. To manage intake, measure a single serving (about a handful) and pair them with high-fiber foods like fruit to enhance satiety.
Turkey produces about 70% of the world's hazelnuts, and the榛子 (zhēnzi) has been cultivated in China for over 5,000 years, often appearing in ancient texts as a symbol of longevity.
| Water | 2.5 g |
| Energy | 646 kcal |
| Energy | 2703 kj |
| Protein | 15.0 g |
| Total lipid (fat) | 62.4 g |
| Ash | 2.5 g |
| Carbohydrate, by difference | 17.6 g |
| Fiber, total dietary | 9.4 g |
| Total Sugars | 4.9 g |
| Sucrose | 4.8 g |
| Glucose | 0.07 g |
| Fructose | 0.07 g |
| Lactose | 0.00 g |
| Maltose | 0.00 g |
| Starch | 1.1 g |
| Calcium, Ca | 123 mg |
| Iron, Fe | 4.4 mg |
| Magnesium, Mg | 173 mg |
| Phosphorus, P | 310 mg |
| Potassium, K | 755 mg |
| Sodium, Na | 0.00 mg |
| Zinc, Zn | 2.5 mg |
| Copper, Cu | 1.8 mg |
| Manganese, Mn | 5.5 mg |
| Selenium, Se | 4.1 ug |
| Vitamin C, total ascorbic acid | 3.8 mg |
| Thiamin | 0.34 mg |
| Riboflavin | 0.12 mg |
| Niacin | 2.0 mg |
| Pantothenic acid | 0.92 mg |
| Vitamin B-6 | 0.62 mg |
| Folate, total | 88.0 ug |
| Folic acid | 0.00 ug |
| Folate, food | 88.0 ug |
| Folate, DFE | 88.0 ug |
| Vitamin B-12 | 0.00 ug |
| Vitamin A, RAE | 3.0 ug |
| Retinol | 0.00 ug |
| Carotene, beta | 36.0 ug |
| Carotene, alpha | 1.0 ug |
| Vitamin A, IU | 61.0 iu |
| Vitamin E (alpha-tocopherol) | 15.3 mg |
| Tocopherol, beta | 0.33 mg |
| Tocopherol, gamma | 0.00 mg |
| Tocopherol, delta | 0.00 mg |
| Vitamin D (D2 + D3), International Units | 0.00 iu |
| Vitamin D (D2 + D3) | 0.00 ug |
| Alcohol, ethyl | 0.00 g |
| Fatty acids, total saturated | 4.5 g |
| SFA 8:0 | 0.00 g |
| SFA 10:0 | 0.00 g |
| SFA 12:0 | 0.00 g |
| SFA 13:0 | 0.00 g |
| SFA 14:0 | 0.00 g |
| SFA 15:0 | 0.00 g |
| SFA 16:0 | 3.2 g |
| SFA 17:0 | 0.00 g |
| SFA 18:0 | 1.3 g |
| SFA 20:0 | 0.06 g |
| SFA 22:0 | 0.00 g |
| SFA 24:0 | 0.00 g |
| Fatty acids, total monounsaturated | 46.6 g |
| MUFA 14:1 | 0.00 g |
| MUFA 16:1 | 0.12 g |
| MUFA 18:1 | 46.4 g |
| MUFA 20:1 | 0.13 g |
| MUFA 22:1 | 0.00 g |
| MUFA 24:1 c | 0.00 g |
| Fatty acids, total polyunsaturated | 8.5 g |
| PUFA 18:2 | 8.4 g |
| PUFA 18:3 | 0.06 g |
| PUFA 20:2 n-6 c,c | 0.00 g |
| PUFA 20:3 | 0.00 g |
| PUFA 20:4 | 0.00 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:5 n-3 (DPA) | 0.00 g |
| PUFA 22:6 n-3 (DHA) | 0.00 g |
| Cholesterol | 0.00 mg |
| Phytosterols | 110 mg |
| Stigmasterol | 1.0 mg |
| Campesterol | 6.0 mg |
| Beta-sitosterol | 103 mg |
| Tryptophan | 0.19 g |
| Threonine | 0.50 g |
| Isoleucine | 0.55 g |
| Leucine | 1.1 g |
| Lysine | 0.42 g |
| Methionine | 0.22 g |
| Cystine | 0.28 g |
| Phenylalanine | 0.67 g |
| Tyrosine | 0.36 g |
| Valine | 0.70 g |
| Arginine | 2.2 g |
| Histidine | 0.43 g |
| Alanine | 0.73 g |
| Aspartic acid | 1.7 g |
| Glutamic acid | 3.7 g |
| Glycine | 0.73 g |
| Proline | 0.56 g |
| Serine | 0.74 g |
The terms are often used interchangeably. Botanically, 'filbert' may refer to specific species, but in commerce, 'hazelnut' is the common name for the roasted kernels of the Corylus genus.
Are dry-roasted hazelnuts healthy?
Yes, they retain most of their beneficial nutrients. Roasting without added salt or oil preserves their heart-healthy fats and antioxidants, making them a nutritious snack in moderation.
How should I store them to keep them fresh?
Store in an airtight container in a cool, dark place for up to 3 months, or in the freezer for up to a year. Their high oil content can make them go rancid if exposed to heat or light.