A 90-gram portion of cooked, skinless chicken breast typically contains between 28 and 29 grams of high-quality protein. This is an excellent source of complete protein, which provides all nine essential amino acids necessary for the body's functions. The exact amount, however, can vary depending on the specific cut of chicken and how it is prepared.
Protein differences by chicken cut
Not all chicken is created equal when it comes to protein. Different parts of the chicken have distinct nutritional profiles, largely due to varying fat content. Choosing the right cut for your dietary needs can help you hit specific macronutrient goals.
Chicken breast vs. thigh
- Chicken breast: The leanest cut, chicken breast has the highest protein-to-fat ratio. A 90-gram serving of cooked, skinless breast yields approximately 28-29 grams of protein and around 149 calories. This makes it a popular choice for those on a calorie-controlled diet or aiming for maximum protein intake.
- Chicken thigh: Darker and more flavorful due to a higher fat content, chicken thighs provide slightly less protein per gram. A 90-gram serving of cooked, skinless thigh contains roughly 22-23 grams of protein and about 161 calories. The extra fat can add flavor, making it a good option for those not strictly limiting fat intake.
- Chicken drumstick: Another flavorful cut, a 90-gram cooked drumstick (without skin) provides around 22 grams of protein and 140 calories. It is also a good source of protein, though the fat content is higher than the breast.
How cooking affects protein content
Cooking affects chicken's moisture content, which, in turn, changes its nutrient density by weight. It is a common misconception that cooking reduces the amount of protein in meat. In reality, cooking causes the meat to lose water, concentrating the remaining protein, fat, and other nutrients. A 90-gram portion of cooked chicken will therefore have a higher protein content than 90 grams of raw chicken because the water has evaporated.
The impact of cooking method
- Grilling and baking: These methods use minimal added fat, resulting in lower-calorie and lower-fat cooked chicken, particularly when the skin is removed. A plain grilled or baked chicken breast is an excellent source of lean protein.
- Frying: Frying significantly increases the fat and calorie content of chicken due to the oil absorbed during cooking. While the total protein is not lost, the nutritional balance is shifted towards higher fat.
- Poaching and boiling: Gently cooking chicken in water or broth maintains its tenderness and results in very little nutritional loss, especially of protein. Some vitamins may leach into the cooking liquid, but protein is largely preserved.
The role of protein in your diet
Protein is an indispensable macronutrient for numerous bodily functions. A high-protein diet has been shown to offer several benefits for weight management and overall health.
- Muscle growth and repair: Protein provides the amino acids needed to build and repair muscle tissue, which is why it is essential for athletes and those looking to increase muscle mass.
- Satiety and weight loss: High-protein foods, like chicken, can increase feelings of fullness and reduce appetite, which can lead to lower overall calorie intake. The body also expends more energy to digest protein than carbohydrates or fat, contributing to a higher metabolic rate.
- Bone health: Protein, when consumed with sufficient calcium, can help maintain bone density, especially in older adults.
Comparison of chicken cuts (per 90g cooked, skinless)
| Nutritional Component | Chicken Breast | Chicken Thigh | Chicken Drumstick |
|---|---|---|---|
| Protein (g) | ~28-29 | ~22-23 | ~22 |
| Calories (kcal) | ~149 | ~161-180 | ~140 |
| Fat (g) | ~3 | ~7-10 | ~5-7 |
| Satiety Impact | High | High | High |
| Versatility | High | High | High |
Other excellent sources of dietary protein
Chicken is a great source of protein, but it's important to consume a variety of protein-rich foods for a balanced diet. Other examples include:
- Eggs: Considered a complete protein source, a single large egg offers about 6 grams of protein.
- Dairy products: Greek yogurt and cottage cheese are packed with protein and calcium.
- Fish and seafood: Options like salmon, tuna, and prawns are rich in both protein and healthy omega-3 fatty acids.
- Legumes and beans: Plant-based choices like lentils, chickpeas, and black beans are great sources of protein and fiber.
- Nuts and seeds: Almonds, pumpkin seeds, and chia seeds provide a protein and healthy fat boost.
Conclusion
In summary, 90 grams of cooked, skinless chicken breast provides a robust 28 to 29 grams of high-quality protein, making it an excellent choice for anyone focused on nutrition. Darker meat cuts like thighs and drumsticks offer slightly less protein but more fat, catering to different dietary preferences. The concentration of nutrients due to water loss during cooking means that cooked chicken is a more protein-dense food, gram-for-gram, than raw. Ultimately, incorporating a variety of protein sources, including chicken, into a balanced diet is the best approach for long-term health and well-being. For a deeper dive into protein requirements based on age and activity, the Harvard Health blog offers a helpful resource.