What protein for vegetarians?

More and more people are choosing a vegetarian diet, guided by health, ecological or ethical considerations. One of the most common questions among vegetarians is: where to get the right amount of protein to support the regeneration of the body, muscle structure and maintaining a normal body weight? Although we traditionally associate protein with meat or dairy products, legumes, cereals, nuts and seeds can provide full -fledged amino acids. However, the key is their proper combination and the selection of raw materials with high bioavailability. In this guide, we will look at the most valuable vegetable protein sources, compare them with animal proteins and indicate the best protein nutrients for people who avoid animal products.

At the beginning it is worth understanding that vegetable proteins differ in an amino acid composition - some are poor in lysine, others in methionine or tryptophan. However, the combination of various diet components (e.g. lentils with rice or chickpeas with rice queen) allows you to get a full amino acid profile. In addition, processing methods such as soaking, cooking or fermentation can increase the absorption of vegetable proteins by up to 20-30%. As a result, a properly balanced vegetarian diet is able to fully cover the demand for protein, also during the period of increased physical exertion or convalescence.

In subsequent sections we will discuss: what products should be introduced into the menu to maximally use vegetable protein sources; What are the key differences between plant and animal proteins; And which nutrients should be recommended to vegetarians to supplement the daily supply of proteins in a convenient and tasty way.

The best vegetable protein sources

Among the vegetable raw materials, the pods stand out above all: lentils, chickpeas, peas and beans. For example, 100 g of dry lentils is up to 25-26 g of protein - after cooking, this value drops to about 9 g per 100 g portions, but it compensates for high concentrations of lysine and isoleucine. Chickpeas provides about 19 g of protein in dry mass and is a source of fiber and folic acid, which supports the metabolism of amino acids.

Soi products are another popular source: tofu (15-17 g protein per 100 g), Temp (20 g) or natto (18 g). Soy is distinguished by a full amino acid profile and a high PDCAAS indicator 4. 0.95-1.0, which means almost complete use of the supplied proteins. TEMPEH additionally contains probiotics supporting intestinal flora, which can improve the absorption of other nutrients.

It is also worth reaching for pseudonasion: quinoa (quinoa) provides approx. 14 g of protein per 100 g of dry product, and amaranth about 13 g. These grains contain a set of exogenous amino acids and are perfect as a salad base or snack additives. Chia seeds and linseed provide 16-18 g protein per 100 g, and at the same time omega-3 acids and fiber, which promotes stabilization of blood glucose levels.

Let's not forget about nuts and seeds: almonds (21 g protein per 100 g), pumpkin seeds (30 g), sunflower seeds (21 g). Although they are caloric, just a handful to significantly supplement the balance of amino acids. They can be added to cocktails, salads or muesli. Key to choose unsolved and unproxted versions to avoid excess sodium and oxidized fats.

Seitan, i.e. wheat protein obtained from gluten - contains as much as 75 g of protein in 100 g of dry product, although it is worthless for people with celiac disease, also works well in the vegetarian diet. It is a good substitute for meat thanks to its consistency and a neutral taste that is easy to enrich with spices. Seitan can be frying, grilling or adding to stews.

To maximally use vegetable protein sources, it is worth combining them in meals (e.g. millet + lentils, brown rice + peas), as well as use fermentation (e.g. Temph, sprouts) and soaking (beans, chickpeas). Thanks to this, proteins are more digested and the risk of gastric discomfort is minimized. In this way, you can meet even high protein needs without reaching for animal products.

Vegetable protein vs animal - comparison

The basic difference between plant and animal proteins is the amino acid profile and the degree of absorption. Animal proteins (whey, eggs, meat) are characterized by the highest indicator of PDCAAS or Diaas osedly ½ 1.0, which means that the body uses almost all supplied amino acids. Vegetable proteins often lack one or several key amino acids - for example, peas are poor in methionine and rice in lysine. However, through mixtures (peas + rice, quinoa + lentils) you can get an animal equivalent profile.

Another difference is the anti -nutritional compounds present in plants - phytate, trinsine inhibitors or tannins can bind minerals and reduce digestive enzymes. There are no such compounds in animal proteins, which makes digestion easier. Plants, however, compensate for the content of fiber and bioactive phyto -compounds, which promote intestinal health and modulate the immune response.

The caloric content with a comparable portion of protein varies - 100 g whey isolate provides about 90 kcal and 20 g of protein, while 100 g of cooked lentils is about 116 kcal and 9 g of protein. To achieve an equivalent supply of proteins, a vegetarian must consume a larger volume of plants. On the other hand, plant sources provide additional vitamins, minerals and fiber, which improves satiety and weight control.

In terms of price, plant proteins can be cheaper - lentils or beans cost a few zlotys per kilo, while whey nutrients or eggs are more expensive. The growing popularity, however, means that the prices of peas or soy is falling, and brands offer more and more vegan products. It is worth following promotions and choosing products with a short composition, without excess fillers.

The ecological aspect also speaks for plant proteins - plant breeding requires less water and generates lower CO₂ emissions than the production of meat or dairy products. More and more research shows that switching to a diet based on plants contributes to a reduction of carbon trail, which for many vegetarians is an additional motivation.

To sum up, plant and animal proteins have their unique advantages. In the vegetarian diet, you can get a full -fledged amino acid profile and high bioavailability, using appropriate combinations of processing products and techniques. The choice depends on the individual needs, taste preferences and ethical rules.

Protein nutrients for vegetarians

When the diet itself may not be enough to cover the increased demand for protein (e.g. in athletes or recovery people), it is worth reaching for plant conditioners. Insulats and concentrates of pea, soy, rice, hemp and mixture of these raw materials are available on the market. Pea isolation is characterized by a content of 80-85 % protein and a good amino acid profile, although it may lack methionine - hence the mixtures of peas + rice are recommended.

Soy -based nutrients offer about 90 % protein and PDCAAS OFD 0.95, which makes them one of the most complete vegetable forms. However, pay attention to the possible presence of GMOs and choose certified products. Rice protein isolation is hypoallergenic, but poor in lysine - that's why mixtures of rice + peas are increasingly appearing, which reach PDCaas ½ 0.9.

Hemp proteins provide about 50 % proteins, but they are distinguished by the content of necessary unsaturated Omega-3 and Omega-6 fatty acids in an ideal 3: 1 ratio. They also have specific peptides supporting the nervous system and skin. The flavor of hemp can be nutty, which goes well with cocktails based on vegetable milk.

For people with a sensitive stomach, vegetable proteins or products enriched with digestive enzymes (bromelain, papain) are recommended. Thanks to this, the risk of flatulence and gases is reduced, which is a common ailment in large portions of plant proteins.

When choosing a conditioner, it is worth paying attention to the composition: avoid artificial sweeteners, glucose-fructose syrup or excess stabilizers. It is best that the list of ingredients is short: isolated vegetable protein, natural aroma, or sweetener based on stevia or erythrol. Probiotics and prebiotics, which support the intestinal microbiot, are also a good addition, which indirectly affects the better digestion of protein.

Supplementation with plant nutrients can be combined with full -fledged meals - cocktail after training, millet with pea protein for breakfast or smoothie with the addition of hemp isolate. Thanks to this, it is easier to achieve the daily needs of protein without excessive volume.

Regular use of protein conditioners allows you to increase the elasticity of the vegetarian diet, facilitates meal planning and guarantees a constant supply of exogenous amino acids, which is crucial for regeneration, muscle growth and optimal work of the body.

Sources

• Fao. Dietary Protein Quality Evaluation in Human Nutrition, 2013.
• Gorissen S.H.M., et al. Protein content and amino acid composition of plant-based protein isolates: a perspective for plant-based diets. Frontiers in Nutrition, 2018.
• Gilani G.S., Wu X., Cockell K.A. Impact of Antinutritional Factors in Food Proteins on Digestibility and Bioavailability. British Journal of Nutrition, 2012.
• House J.D., Neufeld J., Leson G. Evaluating The Quality of Protein From Food Sources: Impact on Human Health. Food & Nutrition Research, 2019.
• Messina M. Impact of Soy Foods on the Health of the Breastfed Infant. The Journal of Nutrition, 2014.

FAQ

What amount of vegetable protein should vegetarian consume a day?

Depending on the lifestyle and physical activity, the vegetarian should consume from 1.0 g to 1.6 g of protein per kilogram of body weight per day. Sports active people can increase supply to 1.8-2.0 g/kg. The key is to combine various vegetable sources and, if necessary, reaching for protein conditioners.

Is soy protein safe for pregnant women?

Yes, soy protein has a full amino acid profile and is rich in folic acid. It is important to choose non-gmo products and avoid excess phytoestrogens. During pregnancy, the demand increases to approx. 1.1-1.2 g/kg, so soy can be a valuable support.

What plant mixtures provide a full amino acid profile?

The most often recommended for peas and lentils with rice queen are recommended. These combinations complement mutually deficiencies of lysine and methionine, giving PDCaas close to animal proteins.

Can tofu be used as the only source of protein?

Tofu provides approx. 15-17 g of protein per 100 g and full amino acid profile, but for variety it is worth combining them with other sources (pods, cereals, nuts) to avoid monotony and support the variety of microelements.

How to reduce anti -nutritional compounds in legumes?

To reduce the level of phytates and Trypsin inhibitors, soak dry pods for at least 8-12 hours, pour water, and then cook in fresh water or use ready -made fermented products (Temp).

Are pea protein nutrients suitable for allergy sufferers?

Pea protein isolation is hypoallergenic and gluten -free, which makes it a safe choice for people with a dairy allergy, gluten or nuts. However, you should always check the label for cross pollution.

In what meals is the easiest way to increase the supply of vegetable protein?

A good idea are protein cocktails based on vegetable milk with the addition of peas, chia porridge and nuts, salads with quinoa and chickpeas or veg burgers with tempeh. Such compositions provide up to 20-30 g of protein per portion.