phenol oxidases
phenol oxidases Enzymes that oxidize phenolic compounds to quinones. For example, monophenol oxidase in mushrooms, polyphenol oxidases in potato and apple are responsible for the development of the brown colour when the cut surface is exposed to air; tyrosinase in plants and animals forms the brown and black pigment melanin.
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Robert Brown , Brown, Robert
Brown, Robert
botany.
In the eighteenth century the honorific designation of princeps botanicorum was bestowed by contemporary scholars… Jim Brown , Brown, Jim 1936—
Former professional football player, actor, social activist
Some 30 years after his retirement from professional football, Hall-of-F… Sterling Allen Brown , Brown, Sterling 1901—
Writer, folklorista educator
Though he has often been called a writer of the Harlem Renaissance—a period of cultural developmen… Brown Coal , Skip to main content
brown coal James Brown , James Brown 1951–
Television sports commentator and host
Inspired to Achieve
Strengthened by Adversity
Attained Stardom at CBS
Switched to FOX
Source… Robert Browning , Browning, Robert
BORN: 1812, Camberwell, England
DIED: 1889, Venice, Italy
NATIONALITY: British
GENRE: Poetry
MAJOR WORKS:
Pauline: A Fragment of a C…
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phenol oxidases