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How much protein is in split beans?

4 min read

According to the USDA, a single cup of cooked green split peas contains over 16 grams of protein, making it an excellent plant-based protein source. This nutrient-rich legume is a staple in many cuisines, from comforting soups to flavorful dals, providing substantial protein to diets worldwide.

Quick Summary

Split beans, such as split peas and chana dal, offer significant plant-based protein, though the amount varies depending on the bean type and preparation. Dried forms are more protein-dense, but cooking with water lowers the concentration. Combining split beans with other ingredients like grains creates a complete protein meal.

Key Points

  • High Plant-Based Protein: Split peas, split chickpeas (chana dal), and other split beans contain a high percentage of protein by dry weight, making them excellent meat alternatives.

  • Cooked vs. Dry Weight: A key distinction is that dried split beans have a higher protein concentration per 100g. Cooking adds water, which increases volume and reduces the protein percentage per gram, but the total protein in a serving remains high.

  • Combine with Grains for Complete Protein: Split beans, like most pulses, are incomplete proteins. Pairing them with cereals like rice, as is common in many cultures, creates a complete amino acid profile.

  • Nutrient-Dense: Beyond protein, split beans are rich in dietary fiber, folate, iron, and potassium, offering broad nutritional benefits for heart health and digestion.

  • Varied Protein Levels: Different split beans have slightly different protein levels. For example, dry split yellow peas can have more protein per 100g than some other varieties, and lentils typically contain more than peas.

  • Preparation Affects Value: Roasting can retain more protein density than boiling, as it removes water rather than adding it, but cooking is essential for digestibility and safety.

  • Economic and Sustainable: As pulses, split beans are a low-cost, environmentally friendly protein source that can support sustainable dietary patterns.

In This Article

A Detailed Look at Protein in Split Beans

Split beans are a type of pulse, a term for the edible seeds of legume plants. While the category includes various types, the most common split beans are split peas and chana dal (split chickpeas). The protein content can differ significantly based on the bean type and whether it is measured in its raw or cooked form. When water is added during cooking, the protein concentration per 100 grams decreases, though the total nutritional value remains high.

Split Peas: Green vs. Yellow

Green and yellow split peas are popular choices, and their nutritional profiles are very similar. Both are mature dried peas that have been husked and split in half. The splitting process decreases cooking time and makes them more digestible. A half-cup serving of cooked split peas provides about 8 grams of protein and an impressive 8 grams of fiber, which helps promote a feeling of fullness. In their dry, pre-cooked state, a quarter-cup can contain around 11 grams of protein.

  • Green Split Peas: These have a slightly sweeter flavor and are commonly used in the well-known split pea soup. A full cup cooked offers approximately 16.35 grams of protein.
  • Yellow Split Peas: With a more delicate, earthy flavor, yellow split peas are a versatile ingredient in many dishes, including thick purees and curries.

Chana Dal (Split Chickpeas)

Chana dal is made from split, hulled brown chickpeas and is a staple in Indian cuisine. The cooking method has a notable impact on the final protein concentration. According to one source, 100 grams of raw chana dal contain roughly 19 grams of protein, while the same amount of cooked chana dal contains around 9 grams. The addition of water during the boiling process increases the weight, diluting the concentration of all nutrients, including protein. A traditional Indian dal recipe might combine chana dal with spices and liquid, resulting in a protein-rich dish that is flavorful and hearty.

The Impact of Preparation on Protein Content

The way you prepare split beans directly influences their protein density per serving. A cup of raw, dried split peas has a much higher protein-to-weight ratio than a cup of cooked ones. This is simply because the cooked beans have absorbed water, increasing their volume and weight. The key takeaway is to consider total consumption over a meal rather than a single measurement. For example, a 100-gram serving of cooked split peas might offer around 8 grams of protein, but your total protein intake from a large bowl of split pea soup will be higher.

Lists of Split Beans and their Protein

Here is a list of common split beans and their approximate protein content per 100g of the dry, uncooked product:

  • Split Chickpeas (Chana Dal): ~19-22g protein
  • Yellow Split Peas: ~25g protein
  • Green Split Peas: ~24g protein
  • Split Pigeon Peas (Toor Dal): ~24g protein
  • Split Red Lentils (Masoor Dal): ~23.9g protein

Comparison Table: Split vs. Whole Beans (Dry)

Type of Bean/Pulse Protein per 100g (Dry) Additional Nutrients Uses
Split Yellow Peas 25g High in fiber, folate, potassium Soups, purees, dips, dal
Whole Chickpeas 19g Rich in fiber, iron, folate Hummus, stews, roasted snacks
Split Red Lentils 23.9g High in fiber, iron, and folate Soups, curries, stews
Whole Brown Lentils 25.1g High fiber, folate, manganese, iron Salads, stews, hearty dishes

Nutritional Synergy and Combining Pulses

While split beans are a great source of protein, they are typically considered incomplete proteins, meaning they lack one or more essential amino acids. However, this is easily remedied by pairing them with grains like rice or other pulses. In many traditional cuisines, this combination is a cornerstone of daily meals, such as dal (split legumes) served with rice in India. Combining these food groups ensures that you receive a full range of essential amino acids, making the meal a complete protein source. The high fiber content in pulses also contributes to digestive health and blood sugar management.

Conclusion

Split beans are a high-protein, nutrient-dense addition to any diet, especially plant-based ones. The exact protein content depends on the type of bean and whether it is dried or cooked. Common options like split peas and chana dal offer a substantial protein boost and are packed with other essential nutrients, such as fiber and minerals. By understanding how preparation affects their nutritional profile and pairing them thoughtfully with other foods, you can effectively leverage split beans as a key component of a healthy, balanced eating plan. For more in-depth nutritional information on specific pulses, you can refer to databases from authoritative sources like the European Food Information Council.

Conclusion

Split beans are an accessible and versatile plant-based protein source. Their protein density is highest when raw, but even after cooking, they provide a significant amount of protein per serving, alongside valuable fiber and micronutrients. By incorporating different types of split beans into your meals and pairing them with grains, you can easily meet your daily protein requirements while enjoying a variety of flavors and health benefits. They are a staple for a reason, offering an economical and nutritious way to fuel your body.

Frequently Asked Questions

A 100g serving of cooked split peas typically contains around 8-9 grams of protein. This is because the peas absorb a significant amount of water during the cooking process, increasing their weight and diluting the protein concentration.

While their overall nutritional profiles are very similar, some sources indicate a slight difference in protein. However, both green and yellow split peas are considered excellent and comparable sources of protein when cooked.

Splitting a bean does not change its protein content. The splitting process is purely mechanical and involves removing the outer hull, which slightly increases the protein percentage by dry weight due to the removal of the hull. The overall nutrient profile per calorie remains very similar.

Per dry weight, the protein content of split beans is comparable to their whole bean counterparts, as the core of the seed is what provides the protein. The main difference lies in preparation, as split beans cook faster and absorb water more readily.

No, most split beans are not a complete protein source on their own. They lack or are low in one or more essential amino acids. However, this can be easily corrected by combining them with a grain, such as rice, to create a complete protein meal.

Different split beans offer varying protein amounts. Some sources indicate that split yellow peas and split pigeon peas (toor dal) are among the highest, with approximately 24-25g of protein per 100g when dry. Split chickpeas (chana dal) are also very high in protein.

Cooking increases the water content of split beans. This means that a 100g serving of cooked beans will have a lower protein concentration (fewer grams per 100g) than 100g of dry beans. The total protein consumed in a typical serving, however, is substantial.

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Medical Disclaimer

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