Spanish Phrase
Las lentejas son una gran fuente de proteína vegana.
Meaning
The sentence states that lentils are an excellent source of vegan protein. It highlights the nutritional value of lentils for people following a plant‑based diet.
When to use
Use this phrase when talking about nutrition, recommending foods for vegans, or describing the health benefits of legumes in a conversation or presentation.
✦Grammar Breakdown
Laslentejassonunagranfuentedeproteínavegana
Definite Article (Las)
Las is the feminine plural definite article, used here because lentejas is a feminine plural noun.
Subject-Verb Agreement (son)
The verb ser is conjugated in third person plural (son) to match the plural subject lentejas.
Indefinite Article (una)
Una is the feminine singular indefinite article, agreeing with the singular noun fuente.
Adjective Placement (gran)
Gran is a shortened form of grande used before a singular noun; it agrees in gender and number with fuente.
Prepositional Phrase (de proteína vegana)
The preposition de links the noun fuente with its complement proteína vegana, indicating what kind of source it is.
🗨In Conversation
¿Qué alimentos me recomiendas para obtener proteína sin comer carne?
What foods do you recommend for getting protein without eating meat?
Las lentejas son una gran fuente de proteína vegana.
Lentils are a great source of vegan protein.
✕Common Mistakes
Las lentejas son una grande fuente de proteína vegana.
Gran is used before a singular noun; do not add an -e (grande) when it precedes fuente.
Las lentejas es una gran fuente de proteína vegana.
The verb ser must agree with the plural subject; keep 'son' and the singular article 'una' for fuente.
Las lentejas son una gran fuente de proteínas veganas.
Avoid mixing singular and plural forms; keep proteína singular because it refers to the type of protein.
↔Alternatives
Las lentejas aportan mucha proteína vegana.
Lentils provide a lot of vegan protein.
Las lentejas son ricas en proteína vegana.
Lentils are rich in vegan protein.
Puedes obtener proteína vegana de las lentejas.
You can get vegan protein from lentils.
Cultural Tip
In many Spanish‑speaking countries, lentils are a staple in traditional dishes like lentejas estofadas or lentejas con chorizo (the latter is non‑vegan). When promoting vegan options, emphasize the plant‑based version and note that lentils are also popular during Lent, a period when many people avoid meat.