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Breadfruit

life science Maturity 9-11 Next article →

Breadfruit, known scientifically as Artocarpus altilis, is a highly productive flowering tree. It belongs to the Moraceae family, which includes jackfruit and mulberry. This tree is a vital staple food for many tropical cultures around the world. Its name comes from its unique texture when cooked. Moderately ripe breadfruit tastes like a potato and feels like freshly baked bread.

Fried Bread Fruit
Fried Bread Fruit

Beyond food, the tree provides useful materials. Its light and sturdy timber is used for houses, furniture, and surfboards. All parts of the tree even produce latex. This sticky substance is helpful for caulking boats.

The biology of the breadfruit tree is quite specialized. The trees are monoecious, meaning they host both male and female flowers on a single plant. The male flowers emerge first, followed closely by the female flowers. These female flowers can be ready for pollination in only three days. In the wild, fruit bats are the primary pollinators. However, many cultivated varieties are capable of producing fruit without any pollination at all. The resulting fruit is technically a "false fruit." It develops from a swollen perianth and features 1,500 to 2,000 tiny flowers. These flowers appear as small, hexagon-like disks on the surface of the skin.

Kolo (breadfruit) slices, Philippines
Kolo (breadfruit) slices, Philippines

There are several different types of plants in this group. Breadfruit is closely related to Artocarpus camansi, which is called the breadnut or seeded breadfruit. You can tell them apart because the breadnut has spinier fruit and many seeds. Another relative is Artocarpus blancoi, also known as tipolo or antipolo, found in the Philippines. There is also Artocarpus mariannensis, called dugdug, which is native to Micronesia. This species has dark green, elongated fruits with darker yellow flesh. DNA studies show that the seedless breadfruit we know today was selectively bred from the seeded breadnut in Polynesia.

Chronological dispersal of Austronesian people across the Pacific
Chronological dispersal of Austronesian people across the Pacific

The history of breadfruit is a story of long-distance travel. About 3,000 years ago, Austronesian voyagers used breadfruit as a "canoe plant." They carried it across the Pacific to Micronesia, Melanesia, and Polynesia. Later, during the late 18th century, the plant moved to the Caribbean. British and French navigators introduced seedless varieties to those islands. Joseph Banks, the president of the Royal Society, was very involved in this. He offered a gold medal to encourage the transport of the plant. In 1791, William Bligh led a second expedition to collect seedless plants from Tahiti. He successfully transported them to St. Helena and the West Indies.

Breadfruit is one of the highest-yielding food plants on Earth. A single tree can produce 200 or more grapefruit-sized fruits in one season. In the South Pacific, trees typically yield between 50 and 150 fruits per year. These trees are very efficient and require limited care to grow. They thrive in equatorial, lowland environments. The trees prefer temperatures between 25°C and 30°C and need heavy annual rainfall. They grow best in soils that are neutral to alkaline, with a pH between 6.1 and 7.4. They are hardy enough to grow even in saline soils and coral sands.

People use breadfruit in many creative ways across different continents. In the Philippines, it is a common ingredient in savory dishes like laing. In the South Pacific, people sometimes preserve it using a traditional method. They bury peeled, washed fruit in leaf-lined pits to ferment. This creates a sour, sticky paste that can last for over a year. Some pits have even held edible contents for more than 20 years. In the Caribbean, breadfruit is often fried or boiled. In Puerto Rico, it is used to make many things, including bread, cookies, and even a dessert called flan de pana.

Understanding breadfruit helps us see how humans and plants interact. The way people selectively bred the breadnut into the seedless breadfruit shows early agricultural skill. The plant's movement across oceans reflects the great migrations of ancient people. Today, breadfruit is grown in 90 different countries. It remains a crucial source of nutrition, providing 103 calories per 100 grams. It is also a rich source of vitamin C, providing 32% of the Daily Value. By studying this tree, we learn about tropical ecosystems and human history.

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File:Chronological dispersal of Austronesian people across the Pacific.svg
Chronological dispersal of Austronesian...
File:Fried Bread Fruit.jpg
Fried Bread Fruit.jpg
File:Kolo (breadfruit) slices, Philippines.jpg
Kolo (breadfruit) slices, Philippines.jpg
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