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Nutrition Diet: How big is 16/20 prawns? Understanding Seafood Size for Healthier Meals

4 min read

According to the FDA, a healthy diet should include at least two servings of seafood, totaling 8 ounces, per week to ensure adequate intake of vital nutrients. If you've ever wondered how big is 16/20 prawns, the label signifies extra-jumbo prawns, and understanding this count is key to preparing nutritious, perfectly portioned meals for a healthy Nutrition Diet.

Quick Summary

Deciphers the 16/20 prawn count system, detailing the extra-jumbo size and its suitability for various recipes. Explores the nutritional benefits of prawns and offers guidance on portioning.

Key Points

  • Sizing System: 16/20 indicates 16 to 20 prawns per pound, classifying them as extra-jumbo or super jumbo.

  • Nutrient-Dense: Prawns are a fantastic source of lean, high-quality protein, low in fat and calories, making them ideal for weight management.

  • Rich in Micronutrients: They provide essential minerals and vitamins, including selenium, vitamin B12, and iodine, supporting immune, nervous system, and thyroid health.

  • Heart-Healthy Omega-3s: Prawns' high omega-3 fatty acid content helps balance their cholesterol levels, contributing positively to cardiovascular health.

  • Cooking Versatility: The 16/20 size is best for grilling, barbecuing, and other methods where the prawn is the main ingredient due to its meaty texture.

  • Recommended Portions: A healthy serving is typically 3-4 ounces of cooked prawns, which translates to about 4-5 of the extra-jumbo 16/20 size.

  • Preparation Matters: To maximize health benefits, opt for grilling, steaming, or sautéing instead of high-fat methods like deep-frying.

In This Article

Deciphering the 16/20 Prawn Count

When purchasing seafood, numbers like 16/20 can be confusing without context. This labeling system, known as the count-per-pound, indicates the number of prawns you can expect to find in a single pound (or sometimes kilogram, depending on the market). A smaller number in the count signifies a larger individual prawn. Thus, 16/20 prawns are a substantial size, landing firmly in the extra-jumbo or super jumbo category. This contrasts with smaller varieties, such as 41/50 (medium) or 51/60 (small), where you get many more prawns per pound.

Understanding the size is crucial because it directly impacts cooking time and suitability for different recipes. Extra-jumbo 16/20 prawns have a firm, meaty texture that holds up well under heat, making them ideal for dishes where they are the star ingredient. Their size ensures they remain juicy and tender even when grilled, barbecued, or sautéed, rather than overcooking quickly like smaller prawns.

Common Prawn Size Categories

  • U/10: Colossal, fewer than 10 prawns per pound.
  • 11/15: Jumbo, 11-15 prawns per pound.
  • 16/20: Extra-Jumbo/Super-Jumbo, 16-20 prawns per pound.
  • 21/25: Jumbo, 21-25 prawns per pound.
  • 31/40: Large, 31-40 prawns per pound.
  • 41/50: Medium, 41-50 prawns per pound.
  • 51/60: Small, 51-60 prawns per pound.

The Nutritional Power of Extra-Jumbo Prawns

Prawns are not only delicious but are also a nutritional powerhouse, making them a superb addition to any health-conscious diet. They are a lean source of high-quality, complete protein, providing all nine essential amino acids. A typical 100-gram serving of prawns contains a significant amount of protein—around 20-25 grams—with very few calories and minimal fat.

Essential Vitamins and Minerals

Beyond macronutrients, prawns offer a wealth of micronutrients:

  • Selenium: Prawns are an excellent source of this powerful antioxidant, which helps protect cells from damage and supports immune function.
  • Vitamin B12: Essential for nerve function and the production of red blood cells, Vitamin B12 is abundant in prawns.
  • Iodine: Important for thyroid health, prawns are a rich source of this vital mineral.
  • Omega-3 Fatty Acids: Prawns contain beneficial omega-3s, which are crucial for heart health and can help reduce inflammation.

The Cholesterol Conversation

For years, prawns and shrimp were unfairly criticized for their cholesterol content. However, research has shown that moderate prawn consumption does not negatively impact lipoprotein profiles in most people. The high levels of beneficial omega-3 fatty acids help balance any dietary cholesterol, making prawns a heart-healthy choice when prepared without excessive saturated fat, such as from butter or deep-frying.

Comparison of Prawns to Other Proteins

Nutrient (per 100g) Prawns (Raw) Chicken Breast (Cooked) Steak (Cooked, Lean)
Calories $\sim$100-115 $\sim$165 $\sim$250
Protein $\sim$23-25g $\sim$31g $\sim$29g
Total Fat $<1-2g$ $\sim$3.6g $\sim$15g
Saturated Fat $<1g$ $\sim$1g $\sim$6g
Omega-3s High Low Low
Sodium $\sim$183mg $\sim$74mg $\sim$58mg

Cooking with 16/20 Prawns: Techniques and Recipes

The extra-jumbo size of 16/20 prawns makes them particularly suitable for specific culinary applications. Their size provides a satisfying, meaty texture that is perfect when the prawn is meant to be the star of the dish, rather than blending into the background of a soup or pasta.

Best uses for 16/20 prawns:

  • Grilling and Barbecuing: Their large size makes them easy to thread onto skewers without falling apart and allows for even cooking over high heat.
  • Sautéing: Extra-jumbo prawns take well to a quick sear in olive oil with garlic, allowing them to brown beautifully while remaining juicy inside.
  • Appetizers: Whether as a shrimp cocktail or a standalone appetizer, their impressive size makes for an elegant presentation.
  • Main Entrées: Serve them as the centerpiece of a dish, perhaps with pasta or a simple side of vegetables, for a meal that feels both gourmet and healthy.

Portion Control and Meal Planning

To maximize the nutritional benefits of prawns while keeping calorie intake in check, portion control is key. A standard serving of seafood is generally considered to be 3 to 4 ounces of cooked product, or about the size of a deck of cards. For extra-jumbo 16/20 prawns, a typical serving might be 4-5 cooked prawns, providing a generous amount of lean protein.

To integrate prawns into your diet, consider swapping higher-calorie proteins like steak for a prawn-based meal twice a week. Instead of relying on deep-frying, opt for healthier cooking methods like steaming, grilling, or baking, which add minimal calories while retaining flavor. Serving prawns with plenty of vegetables or over a modest portion of brown rice can create a balanced, satisfying meal that supports your health goals.

Conclusion: Making Informed Choices for a Healthy Diet

Understanding seafood labeling, such as how big is 16/20 prawns, is an important step in making informed nutritional choices. This extra-jumbo size offers a versatile and delicious source of lean protein, essential vitamins, and heart-healthy omega-3s. By selecting the right size for your recipe and practicing mindful portion control and cooking methods, you can easily incorporate prawns into a healthy Nutrition Diet and enjoy both the flavor and health benefits of this popular seafood. For more information on seafood recommendations, consult reliable sources like the FDA's guide on choosing fish and shellfish.

Frequently Asked Questions

'16/20 prawns' means there are approximately 16 to 20 prawns per pound. This count-per-pound system is a standard industry practice to indicate size; a lower number signifies larger prawns.

Yes, 16/20 prawns are considered extra-jumbo or super jumbo. This size is larger than jumbo prawns, which are typically labeled 21/25, and are known for their meaty texture and satisfying bite.

Prawns are an excellent choice for a healthy diet. They are low in calories and fat while being a rich source of high-quality protein, helping you feel full longer.

While prawns do contain cholesterol, the high level of omega-3 fatty acids they contain is beneficial for heart health. In moderation, prawns do not significantly raise blood cholesterol levels in most people.

A standard 3-ounce serving of cooked seafood is often recommended. For 16/20 extra-jumbo prawns, this is roughly 4-5 prawns, providing a satisfying portion of lean protein.

Due to their large size and firm texture, 16/20 prawns are excellent for grilling, barbecuing, and sautéing. These methods help maintain their juicy, meaty qualities without overcooking.

Though the terms are often used interchangeably, there are slight biological and anatomical differences. However, the sizing convention of count-per-pound (e.g., 16/20) applies to both and is the most reliable way to gauge size when buying.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.