Other
rock oysters.
VegetarianVeganGluten-freeDairy-freeNut-freePeanut-freeSoy-freeEgg-freeShellfish-freeHoney-freeAlcohol-freeKosher
ALSO KNOWN AS
kalva
SERVING
CALORIES
81
PROTEIN
9.4g
CARBS
5.0g
FAT
2.3g
FIBER
0g
NUTRITION PROFILE · per 100 g
Everything in this ingredient.
MACRONUTRIENTS
Calories81kcal—
Protein9.4g19%
Carbohydrates5.0g2%
Fiber0g0%
Sugar0g0%
Total fat2.3g3%
Saturated fat0.52g3%
Cholesterol50mg17%
MINERALS
Sodium106mg5%
Potassium190mg4%
Calcium12mg1%
Iron5.1mg28%
Magnesium25mg6%
Phosphorus115mg9%
Zinc16.6mg151%
Copper0.22mg24%
Manganese0.34mg15%
Selenium60.5µg110%
VITAMINS
Vitamin A3.0µg0%
Vitamin C0mg0%
Vitamin D0µg0%
Vitamin E0.10mg1%
Vitamin K1.9µg2%
Thiamin (B1)0.10mg8%
Riboflavin (B2)0.10mg8%
Niacin (B3)1.6mg10%
Pantothenic acid (B5)0.60mg12%
Vitamin B60.20mg12%
Folate (B9)20µg5%
Vitamin B1216.3µg679%
%DV based on a 2,000 cal diet. Source: USDA FoodData Central. A dash in the %DV column means there’s no established Daily Value for that nutrient.
MEASUREMENT CONVERSIONS
How much is what.
1 piece40g
HEALTH BENEFITS
Why eat it.
- ✓Extremely rich in zinc, which is crucial for immune function, wound healing, and cell growth.
- ✓Excellent source of vitamin B12, essential for nerve function and the formation of red blood cells.
- ✓Provides high-quality complete protein and omega-3 fatty acids, supporting heart and brain health.
- ✓Good source of iron, which helps prevent anemia and supports energy levels.
COOKING TIPS
In the kitchen.
- 1To serve raw, shuck carefully with an oyster knife, preserving the liquor, and serve immediately on ice with lemon wedges or mignonette sauce.
- 2Oysters cook very quickly. When grilling, broiling, or baking (e.g., Oysters Rockefeller), cook just until the edges begin to curl.
- 3For frying, coat shucked oysters in a seasoned cornmeal or flour mixture and fry for 1-2 minutes until golden brown and crisp.
- 4Add to soups and stews, like a classic oyster stew, during the final minutes of cooking to prevent them from becoming tough and rubbery.
STORAGE
Keep it fresh.
- Store live oysters in the refrigerator (34-40°F or 1-4°C) with the cup-side down, covered with a damp cloth. Do not store in a sealed container or water.
- Consume fresh, live oysters within 1-2 days of purchase for optimal safety and flavor. Discard any with open shells that do not close when tapped.
- Shucked oysters should be refrigerated in a sealed container with their liquor and consumed within 3 days.
FAQ
Frequently asked questions.
Are rock oysters healthy?
Yes, rock oysters are highly nutritious and low in calories. They are an exceptional source of zinc for immune function, vitamin B12 for nerve health, and provide essential omega-3 fatty acids for heart and brain support.
How much protein and calories are in rock oysters?
A 100g serving of rock oysters contains approximately 81 calories and 9.45g of high-quality protein. They also provide about 4.95g of carbohydrates and 2.3g of fat, making them a lean protein choice.
Are rock oysters good for weight loss?
Yes, rock oysters are excellent for weight loss because they are nutrient-dense while remaining low in calories and fat. Their high protein content can help promote satiety and maintain muscle mass during calorie restriction.
Are rock oysters keto-friendly?
Rock oysters are generally considered keto-friendly. While they contain a small amount of carbohydrates (roughly 5g per 100g), they can easily fit into a low-carb or ketogenic diet when consumed in standard serving sizes.
Are rock oysters gluten-free?
Naturally, rock oysters are 100% gluten-free. However, if you are eating them at a restaurant, ensure they aren't served with crackers, breading, or sauces that may contain wheat-based thickeners.
How do you eat rock oysters?
Rock oysters are most commonly served raw on the half-shell with simple accompaniments like lemon juice, mignonette sauce, or a dash of hot sauce. They can also be grilled, steamed, or baked in dishes like Oysters Rockefeller.
What do rock oysters taste like?
Rock oysters typically have a salty, briny flavor with a firm, creamy texture. Depending on their origin, they may also exhibit sweet, mineral, or metallic undertones compared to other oyster varieties.
How can you tell if a rock oyster is fresh?
A fresh, live oyster should have a tightly closed shell; if the shell is slightly open, it should snap shut when tapped. When opened, it should smell like the fresh ocean and be plump and glistening in its own clear liquid.
How should you store fresh rock oysters?
Store live rock oysters in the refrigerator at 4-5°C (40°F) in an open container covered with a damp cloth to keep them moist. Never store them in an airtight bag or in fresh water, as this will kill the oysters.
Can you eat rock oysters raw?
Yes, rock oysters are frequently enjoyed raw. However, to minimize the risk of foodborne illness, ensure they are sourced from reputable suppliers and kept at the correct temperature. Vulnerable groups, such as pregnant women, should only eat them fully cooked.
RECIPES
Cook with rock oysters.
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