Mollusks, oyster, eastern, wild
Category: Finfish & Shellfish Products Method: Raw
Nutrition Highlights
Serving Size
Calories
43
Nutrient
% Daily Value*
*Daily Values are based on the reference caloric intake of 2,000 calories for adults and children aged 4+ years. Source: Food & Drug Administration
Calorie Sources
Nutrient | Calories kcal (%) |
---|---|
Protein | 19 (44.9%) |
Fat | 13 (30.2%) |
Carbohydrate | 9.1 (21.4%) |
Total | 43 (100%) |
Serving: 6 medium [84g]
Composition
Nutrient | Weight g (%) |
---|---|
Water | 75 (89.0%) |
Protein | 4.8 (5.7%) |
Carbohydrate | 2.3 (2.7%) |
Fat | 1.4 (1.7%) |
Ash | 0.7 (0.8%) |
Total | 84 (100%) |
Serving: 6 medium [84g]
Benefits
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High in zinc which supports immune function and protein synthesis
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Rich source of vitamin B12 which is important for energy production and red blood cell formation
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Contain omega-3 fatty acids EPA and DHA which have anti-inflammatory properties
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Good source of copper which is necessary for iron absorption and collagen formation
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Provide iron, selenium and vitamin B3 (niacin) which support various metabolic processes in the body
Risks
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Raw oysters may contain bacteria like Vibrio vulnificus which can cause severe illness or death in those with liver disease, diabetes or weakened immune systems
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Raw oysters may contain norovirus which can cause gastroenteritis with symptoms like vomiting and diarrhea
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Raw oysters may contain parasites like gastrointestinal worms which can cause infection
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Eating raw oysters increases risks of foodborne illness compared to cooked oysters as cooking kills most bacteria and parasites
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Risks are higher for wild caught oysters compared to farm raised as they are exposed to more environmental contaminants
Additional Information
Mollusks, specifically oysters, are a highly nutritious food with several health benefits. They are a good source of essential nutrients and can contribute to a well-balanced diet. However, there are also some risks associated with consuming raw wild eastern oysters that need to be considered.
Nutritional Benefits:
1. High in Protein: Oysters are an excellent source of high-quality protein. Protein is essential for the growth and repair of body tissues, as well as the production of enzymes and hormones.
2. Low in Calories: Oysters are relatively low in calories, making them a suitable food for weight management. A serving of six medium-sized oysters contains about 50-60 calories.
3. Rich in Vitamins and Minerals: Oysters are packed with various vitamins and minerals. They are particularly rich in vitamin B12, zinc, copper, selenium, and iron. Vitamin B12 is essential for nerve function and the production of red blood cells, while zinc and copper are important for immune system function and wound healing. Selenium is a powerful antioxidant, and iron is crucial for oxygen transport in the body.
4. Omega-3 Fatty Acids: Oysters are a good source of omega-3 fatty acids, particularly EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). Omega-3 fatty acids have been linked to numerous health benefits, including reducing inflammation, improving heart health, and supporting brain function.
Risks:
1. Foodborne Illness: Eating raw wild eastern oysters poses a risk of foodborne illness, especially from bacterial contamination. Oysters can accumulate bacteria such as Vibrio vulnificus or Vibrio parahaemolyticus, which can cause severe gastrointestinal symptoms, particularly in individuals with compromised immune systems.
2. Hepatitis A Virus: Raw oysters may also harbor the hepatitis A virus, which can cause a viral infection leading to symptoms like fever, fatigue, and jaundice. This risk is more prevalent in areas with poor water quality or improper handling and sanitation practices.
3. Allergic Reactions: Some individuals may be allergic to mollusks, including oysters. Allergic reactions can range from mild symptoms like itching and hives to severe reactions that may involve difficulty breathing and anaphylaxis. It is essential for individuals with known shellfish allergies to avoid consuming oysters.
4. Environmental Contaminants: Wild eastern oysters can be exposed to environmental contaminants such as heavy metals, pollutants, or toxins from harmful algal blooms. These contaminants can accumulate in the oyster's tissues, posing potential health risks if consumed.
To minimize the risks associated with raw oyster consumption, it is advisable to follow certain precautions. Firstly, ensure that the oysters are sourced from reputable suppliers who adhere to strict quality control measures. Secondly, individuals with weakened immune systems, pregnant women, young children, and older adults should avoid consuming raw oysters altogether. Lastly, cooking oysters thoroughly can eliminate most of the potential health risks associated with raw consumption.
In conclusion, raw wild eastern oysters offer numerous nutritional benefits, including being a good source of protein, vitamins, minerals, and omega-3 fatty acids. However, there are risks involved, primarily related to foodborne illnesses, hepatitis A virus, allergic reactions, and environmental contaminants. It is crucial to weigh these risks against the potential benefits and take necessary precautions when consuming raw oysters.