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Arrowroot

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Arrowroot is a fine, white starch extracted from the rhizomes of various tropical plants. A rhizome is a thick, underground stem used for storing nutrients. While Maranta arundinacea is the most traditional source, other plants provide starch used as arrowroot. These include Florida arrowroot from Zamia integrifolia and cassava, known scientifically as Manihot esculenta. In different parts of the world, people use different plants for the same purpose. For example, Polynesian arrowroot is called pia, while the Japanese arrowroot is known as kudzu.

Shimipampana (Maranta arundinacea)
Shimipampana (Maranta arundinacea)

The process of starch extraction requires several careful steps to ensure quality. First, the arrowroot tubers, which contain about 23% starch, are thoroughly washed. Workers must carefully remove the paper-like scales from the surface of the roots. This step is vital because these scales can impart a disagreeable flavor to the final product. After cleaning, the roots are reduced to a pulp by beating them in mortars or using a wheel rasp. This creates a milky liquid that is passed through a coarse cloth or a hair sieve. The pure starch is insoluble, so it settles at the bottom of the liquid. Finally, the wet starch is dried in the sun or a drying house to create a fine powder.

Starr 061106-1435 Dioscorea alata
Starr 061106-1435 Dioscorea alata

Arrowroot has a deep history that stretches back thousands of years. Archaeological studies in the Americas suggest that people were cultivating arrowroot as early as 7,000 years ago. The name itself may have roots in the Caribbean. It might come from the Arawak word aru-aru, which means "meal of meals." Another theory suggests the name relates to treating wounds from poison arrows. Some believe the plant helps draw out poison when applied to an injury. In more recent history, arrowroot played a role in the paper industry. Because of its fine grain-size, it was used as an ingredient in early carbonless copy paper.

Manihot esculenta - 'Cassava'
Manihot esculenta - 'Cassava'

The island of Saint Vincent has a significant connection to this crop. Arrowroot production began as a source of food and medicine for the Carib and Garifuna peoples. As the sugar industry declined in the nineteenth century, arrowroot cultivation grew to fill the economic void. Between 1930 and 1965, the industry was a major part of the island's economy. At its peak, arrowroot contributed close to 50% of the country's foreign export earnings. Today, the industry is much smaller, producing only about 3% of the levels seen in the 1960s. Most of the remaining crop is grown by small farmers on about 3,700 hectares of land.

Zamia integrifolia Furnas 2015
Zamia integrifolia Furnas 2015

Growing arrowroot requires specific environmental conditions to reach optimal yields. In Saint Vincent, the plants grow at elevations up to 300 meters. They thrive on the eastern, windward side of the highlands. The ideal environment includes deep, well-drained, and slightly acidic soils. A hot and humid climate is also necessary for the plants to grow well. Harvesting usually takes place between October and May. On large estates, workers harvest the rhizomes by moving from the base of a hill toward the top. They break the rhizome away from the shoot, and then the shoot is replanted immediately.

Pueraria montana var lobata kudzu Flower20170827 IMG 1664
Pueraria montana var lobata kudzu Flower20170827 IMG 1664

In the culinary world, arrowroot is valued for its unique physical properties. It is a light, white powder that is odorless when dry. When mixed with boiling water, it emits a faint, peculiar odor and swells into a perfect jelly. Unlike cornstarch or flour, arrowroot creates clear, shimmering fruit gels. It is also an excellent thickener for acidic foods, such as East Asian sweet and sour sauce. This is because it will not make a sauce cloudy. It is also useful for making ice cream, as it prevents the formation of ice crystals. However, it does not mix well with dairy, which can create a slimy mixture.

Canna indica L. var. flava
Canna indica L. var. flava

Because of its specific chemical makeup, arrowroot serves many different dietary needs. It contains no gluten, making it a useful replacement for wheat flour for those with gluten intolerance. However, it is not a complete substitute for bread-making because it is high in carbohydrates and low in protein. In various cultures, it is used in many ways. In Korea and Vietnam, kudzu arrowroot is used to make noodles. In the Philippines, it is used to make uraro cookies. In South India, the boiled tubers are a traditional food. When cooking with it, experts recommend mixing arrowroot with a cool liquid before adding it to a hot fluid. This prevents the mixture from thinning if it is overheated.

Arrowroot (Maranta arundinacea) Boiled
Arrowroot (Maranta arundinacea) Boiled
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🖼️ Images & Media (7)
File:Zamia integrifolia Furnas 2015.jpg
Zamia integrifolia Furnas 2015.jpg
File:Shimipampana (Maranta arundinacea).jpg
Shimipampana (Maranta arundinacea).jpg
File:Pueraria montana var lobata kudzu Flower20170827 IMG 1664.jpg
Pueraria montana var lobata kudzu...
File:Manihot esculenta - 'Cassava'.jpg
Manihot esculenta - 'Cassava'.jpg
File:Canna indica L. var. flava.jpg
Canna indica L. var. flava.jpg
File:Starr 061106-1435 Dioscorea alata.jpg
Starr 061106-1435 Dioscorea alata.jpg
File:Arrowroot (Maranta arundinacea) Boiled.jpg
Arrowroot (Maranta arundinacea) Boiled.jpg
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