The pencas come from the shoots of the artichoke, whose stems are covered so they grow white. They resemble thistle but their flavor is milder and they are more tender. Their season is winter. They stand out for their high content of water and fiber and because they contain few calories, carbohydrates and proteins. They also contain vitamins C and B3 and minerals such as calcium and iron. Due to their properties, they are beneficial for health as they are diuretic and purifying, help fight cholesterol and diabetes, promote digestion, liver and bile function, and intestinal transit. They do not contain many vitamins but are recommended in weight loss diets, and are also a staple ingredient in stews and traditional dishes.