Artocarpus heterophyllus, widely known as jackfruit, is a tropical evergreen tree in the family Moraceae, closely related to the fig and mulberry. It is native to the rainforests of the Western Ghats of India and is now cultivated extensively across Southeast Asia, South America, and Africa. The genus name Artocarpus is derived from the Greek artos (“bread”) and karpos (“fruit”), referencing its historical role as a staple "tree bread" for indigenous populations. The species epithet heterophyllus is Greek for "different leaf," acknowledging the variability in leaf shape observed on the tree. Historically, the jackfruit is one of the world's most ancient cultivated trees, appearing in Indian texts and archaeological sites dating back thousands of years as a foundational agricultural resource.

The jackfruit tree is a massive, long-lived specimen that can reach heights of 20 meters, featuring a dark, glossy, evergreen canopy that provides significant shade. It is cauliflorous, meaning its massive fruits—the largest tree-borne fruit in the world—develop directly from the trunk and main branches rather than the smaller twigs. The fruit itself is a multiple fruit, formed by the coalescence of hundreds of individual flowers, resulting in a unique anatomy consisting of a thick, spine-covered rind (pericarp), a central fibrous core, and hundreds of individual, sweet, yellow-fleshed arils (the bulbs) that each encase a single, large, smooth, light-brown seed. Artocarpus heterophyllus thrives in hot, humid, tropical climates with deep, well-draining soil, and it remains a vital component of sustainable tropical agroforestry systems.

Jackfruit is exceptionally versatile as a food source, occupying two distinct culinary roles depending on its stage of maturity. The immature, green fruit—often called "green jackfruit"—has a neutral, starchy flavor and a dense, fibrous texture that mimics shredded meat, making it a globally popular plant-based "meat substitute" in modern culinary applications like tacos, curries, and burgers. In contrast, the fully mature, ripe jackfruit develops a potent, tropical fragrance and a soft, succulent, bright yellow flesh that is intensely sweet, with flavor notes reminiscent of pineapple, banana, and mango. The large seeds are also highly nutritious; when boiled or roasted, they take on a creamy, starchy texture similar to a chestnut or potato, and they are commonly ground into flour or enjoyed as a snack.

Nutritionally, jackfruit is a powerhouse of essential vitamins and minerals, providing a dense supply of Vitamin C, Vitamin B6, potassium, magnesium, and dietary fiber. It is unique among tropical fruits for its relatively high protein content within the seed and fibrous bulb tissues. Its biochemical matrix is defined by a diverse profile of phytonutrients, including carotenoids (which provide the yellow pigmentation), flavonoids, and prenylflavonoids like artocarpin. Traditional medicine systems across South and Southeast Asia utilize various parts of the tree—the leaves, bark, and roots—for their anti-inflammatory, antimicrobial, and blood-sugar-regulating properties. Modern research continues to validate these claims, focusing on the potential for jackfruit-derived functional compounds to support digestive health and metabolic regulation.

Major ingredients derived from this food source include fresh raw jackfruit bulbs, canned young green jackfruit in brine, roasted jackfruit seeds, and jackfruit flour. Significant bioactive compounds associated with the source include **morin**, **kaempferol**, and various **lutein** derivatives found within the arils and seed membranes.