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Mango

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The mango is an edible stone fruit produced by the tropical tree *Mangifera indica*. It is a highly valued fruit enjoyed in many different cultures. The mango serves as the national fruit for India, Pakistan, and the Philippines. In Bangladesh, the mango tree holds the status of the national tree.

Mangos - single and halved
Mangos - single and halved

Because there are hundreds of different cultivars, the fruit varies greatly in size, shape, and sweetness. The skin can be waxy and smooth, appearing in shades of green, yellow, orange, or red. Inside, the flesh may be pale yellow, gold, or orange. A single, flat, oblong pit sits at the center of the fruit.

Growing a mango tree involves complex biological processes. The trees are long-lived and can produce fruit even after 300 years. They develop deep taproots and wide-spreading feeder roots to stay stable in the soil. The leaves are evergreen and change color as they mature, moving from orange-pink to dark green. Flowering occurs in terminal panicles, which are long clusters of small white flowers. Each flower has five petals and a mild, sweet fragrance. Once a flower is pollinated, it takes four to five months for the fruit to ripen.

Flavor chemicals of "Alphonso" mango
Flavor chemicals of "Alphonso" mango

Mangoes are categorized into two distinct genetic lineages. These are the subtropical Indian group and the tropical Southeast Asian group. The Indian group produces monoembryonic fruits, meaning they contain a single embryo. The Southeast Asian group produces polyembryonic fruits. Many desired mangoes are monoembryonic, which means they must be grown through grafting. Grafting is a method used to ensure the new tree produces the exact same fruit as the parent. This is necessary because these varieties do not breed true from seeds alone.

History shows that the mango's journey is quite complex. The fruit likely originated in the region between Myanmar, Bangladesh, and northeastern India. While it was once believed that domestication happened only in South Asia, a 2019 study suggested otherwise. This study found higher genetic diversity in Southeast Asian cultivars. This indicates that mangoes may have been domesticated in Southeast Asia before moving to South Asia. From there, they spread globally through trade and colonization. Arab and Persian traders brought them to East Africa by the tenth century. Later, the Portuguese Empire helped spread them to Brazil and other regions.

Today, mango production is a massive global industry. In 2023, the combined production of mangoes, mangosteens, and guavas reached 61 million tonnes. India is the leading producer, accounting for 43% of this total. Indonesia and China are also major secondary producers. Cultivation is successful in most frost-free tropical and subtropical climates. This includes parts of Africa, the Americas, the Caribbean, and even parts of Spain. In 1974, a Filipino horticulturist named Ramon Barba made a major breakthrough. He discovered that using potassium nitrate and ethrel could induce flowering. This allowed plantations to produce fruit year-round rather than once every 16 to 18 months.

Different cultivars serve different purposes in the global market. The 'Alphonso' is a famous Indian cultivar known as the "king of mangoes." It has a soft, juicy texture similar to an overripe plum. In contrast, the 'Tommy Atkins' cultivar dominates the Western market. This variety was a seedling of the 'Haden' cultivar that first fruited in 1940. While it may not be as preferred for eating pleasure as the Alphonso, it is very successful. It is prized for its productivity, disease resistance, and ability to be transported long distances.

Culinary traditions utilize mangoes in many unique ways. In South Asia, ripe mangoes are used to make mango lassi, a drink made with buttermilk and sugar. Unripe, sour mangoes are used for savory dishes like Indian mango chutney or pickles. In Southeast Asia, green mangoes are often eaten in salads with fish sauce, soy sauce, or vinegar. In the Philippines, people enjoy sweet treats like mango float and mango cake. The flavor of these fruits comes from various chemicals, such as terpenes and esters. These chemicals create the unique sweet and resinous smell that people love.

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File:Mangos - single and halved.jpg
Mangos - single and halved.jpg
File:Flavor chemicals of "Alphonso" mango.jpg
Flavor chemicals of "Alphonso" mango.jpg
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