Whole food · Finfish and Shellfish Products
Photo: Wikipedia
The eastern oyster, often called the 'American oyster,' is a briny, mineral-rich bivalve with a plump, tender texture and a complex flavor that shifts from sweet to savory depending on its origin. Farmed varieties are typically clean and consistent, offering a mild salinity with a subtle, creamy finish. Nutritionally, it is a lean powerhouse, delivering over 5 grams of protein per 100 grams with minimal fat and a notable carbohydrate content from glycogen.
People adore raw oysters for their unique 'taste of the sea'—a briny, slightly sweet, and umami-rich experience that feels both luxurious and primal. Their versatility is also cherished, as they can be enjoyed simply with a squeeze of lemon, grilled, or incorporated into rich, savory dishes.
Raw oysters can pose a risk of foodborne illness (like Vibrio) if not properly handled and sourced, and they are a common allergen for those with shellfish sensitivities. Additionally, their high sodium content can be a concern for individuals managing blood pressure. To mitigate risks, always purchase from reputable, refrigerated sources, consume them very fresh, and consider pairing with a low-sodium side or a squeeze of lemon to enhance flavor without adding salt.
Oysters can change their gender multiple times during their lifetime, typically starting as males and then becoming females as they grow larger.
| Water | 86.2 g |
| Energy | 59.0 kcal |
| Energy | 247 kj |
| Protein | 5.2 g |
| Total lipid (fat) | 1.6 g |
| Ash | 1.5 g |
| Carbohydrate, by difference | 5.5 g |
| Fiber, total dietary | 0.00 g |
| Calcium, Ca | 44.0 mg |
| Iron, Fe | 5.8 mg |
| Magnesium, Mg | 33.0 mg |
| Phosphorus, P | 93.0 mg |
| Potassium, K | 124 mg |
| Sodium, Na | 178 mg |
| Zinc, Zn | 37.9 mg |
| Copper, Cu | 0.74 mg |
| Manganese, Mn | 0.39 mg |
| Selenium, Se | 63.7 ug |
| Vitamin C, total ascorbic acid | 4.7 mg |
| Thiamin | 0.10 mg |
| Riboflavin | 0.07 mg |
| Niacin | 1.3 mg |
| Pantothenic acid | 0.16 mg |
| Vitamin B-6 | 0.06 mg |
| Folate, total | 18.0 ug |
| Folic acid | 0.00 ug |
| Folate, food | 18.0 ug |
| Folate, DFE | 18.0 ug |
| Vitamin B-12 | 16.2 ug |
| Vitamin A, RAE | 8.0 ug |
| Retinol | 8.0 ug |
| Vitamin A, IU | 25.0 iu |
| Fatty acids, total saturated | 0.44 g |
| SFA 14:0 | 0.04 g |
| SFA 16:0 | 0.31 g |
| SFA 18:0 | 0.04 g |
| Fatty acids, total monounsaturated | 0.15 g |
| MUFA 16:1 | 0.04 g |
| MUFA 18:1 | 0.07 g |
| MUFA 20:1 | 0.03 g |
| Fatty acids, total polyunsaturated | 0.59 g |
| PUFA 18:2 | 0.03 g |
| PUFA 18:3 | 0.04 g |
| PUFA 18:4 | 0.09 g |
| PUFA 20:4 | 0.03 g |
| PUFA 20:5 n-3 (EPA) | 0.19 g |
| PUFA 22:6 n-3 (DHA) | 0.20 g |
| Cholesterol | 25.0 mg |
| Tryptophan | 0.06 g |
| Threonine | 0.23 g |
| Isoleucine | 0.23 g |
| Leucine | 0.37 g |
| Lysine | 0.39 g |
| Methionine | 0.12 g |
| Cystine | 0.07 g |
| Phenylalanine | 0.19 g |
| Tyrosine | 0.17 g |
| Valine | 0.23 g |
| Arginine | 0.38 g |
| Histidine | 0.10 g |
| Alanine | 0.32 g |
| Aspartic acid | 0.50 g |
| Glutamic acid | 0.71 g |
| Glycine | 0.33 g |
| Proline | 0.21 g |
| Serine | 0.23 g |
Are raw oysters safe to eat?
Raw oysters are safe when sourced from reputable suppliers who follow strict food safety guidelines, but they can carry bacteria like Vibrio. It's best to consume them fresh, keep them refrigerated, and avoid them if you have a weakened immune system.
What is the nutritional value of raw oysters?
Per 100 grams, raw eastern oysters provide about 59 calories, 5.22g protein, 5.53g carbs, and 1.55g fat. They are also rich in zinc, vitamin B12, iron, and selenium.
How should I store raw oysters?
Store raw oysters in the refrigerator at 35-40°F (2-4°C) with the cupped side down on a tray, covered with a damp cloth. Do not store them in a sealed container or in water, and consume them within 5-7 days of harvest.