Caulerpa lentillifera is a species of bryopsidale green algae from coastal regions in the Indo-Pacific. This seaweed is one of the favored species of edible Caulerpa due to its soft and succulent texture. It is traditionally eaten in the cuisines of Southeast Asia, Oceania, and East Asia. It was first commercially cultivated in the Philippines in the 1950s, followed by Japan in 1986. Both countries remain the top consumers of C. lentillifera. Its cultivation has since spread to other countries, including Japan, Vietnam, Taiwan, and China. C. lentillifera, along with C. racemosa, are also known as sea grapes or green caviar in English.
Traditionally, C. lentillifera were harvested directly from the wild. The first commercial cultivation of C. lentillifera was in the 1950s in Cebu, Philippines, after accidental introduction of C. lentillifera to fish ponds. Currently, there are around 400 hectares of ponds in the Cebu, producing around 12 to 15 tons of fresh C. lentillifera per year. They are usually harvested after two months from first planting, and every two weeks afterwards depending on growth rates.
Commercial cultivation was followed by Japan in 1986, where it was cultivated in tanks in the warmer waters of Okinawa. Commercial cultivation has since spread to other countries, including Vietnam, Taiwan, and China (in Fujian and Hainan). Most are for domestic consumption, but they are also exported to Japan.
Caulerpa lentillifera, along with C. racemosa, have been traditionally eaten in the cuisines of Southeast Asia, Oceania, and East Asia. They are almost always eaten raw on their own or in salads. They have been described as tasting "like the ocean". It is known to be rich in iodine.
In the Philippines, C. lentillifera is usually known as latô or arosep. After being washed in clean water, it is usually eaten raw as a salad (ensaladang lato), mixed with chopped raw shallots and fresh tomatoes, and dressed with a blend of fish sauce or bagoong (fish paste) and vinegar. Its popularity has also spread to the Malaysian state of Sabah (where it spelled latok) due to the migrations of the Bajau peoples.
C. lentillifera is also eaten in Vietnam, where it is known as rong nho or rong nho biển, meaning "grape algae"; in Korea, where it is known as bada podo (바다포도), also meaning "sea grapes"; and in Indonesia (particularly Bali), where it is known as bulung.
Umi-budō served Okinawan style
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