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“Kombu is a species of edible kelp (Laminaria japonica) that thrives in long streamers about a palm's-width wide that can reach up to thirty feet in length. Along with katsuobushi, it is the other main ingredient for making dashi. Kombu contains a high level of the amino acid glutamate, which is the source of the "fifth taste", umami, and a precursor to the flavor enhancer MSG. Japan consumes about 50,000tons of kombu a year--- about half wild, and half farmed--- most of it harvested off the coast of the northern island, Hokkaidō.” — Tetsu Kariya
Kombu is a species of edible kelp (Laminaria japonica) that thrives in long streamers about a palm's-width wide that can reach up to thirty feet in length. Along with katsuobushi, it is the other main ingredient for making dashi. Kombu contains a high level of the amino acid glutamate, which is the source of the "fifth taste", umami, and a precursor to the flavor enhancer MSG. Japan consumes about 50,000tons of kombu a year--- about half wild, and half farmed--- most of it harvested off the coast of the northern island, Hokkaidō.