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Fruit-based marinades for meats are flavorful mixtures that use the natural enzymes and sugars in fruits like pineapple, kiwi, papaya, or citrus to tenderize and infuse flavor into various cuts of meat. Common ingredients include fruit juice or purée, acidic elements like vinegar or yogurt, aromatic herbs, and spices. This technique is found in many global cuisines, from Southeast Asian satays to Caribbean jerk preparations.
The marinade itself is generally low in fat and adds minimal calories, primarily from the natural sugars in the fruit. The key nutritional benefit is its ability to tenderize leaner, tougher cuts of meat, making them more palatable and easier to digest, while adding vitamins like vitamin C from citrus fruits.
What's unique is the biochemical action: fruits like pineapple contain bromelain and kiwi contain actinidin, proteolytic enzymes that actively break down muscle fibers and connective tissue, acting as a natural meat tenderizer. Culturally, this method often represents a practical, pre-refrigeration way to preserve and flavor meats in tropical climates where fruits are abundant.