How to use melanoid in a sentence? Find typical usage patterns (collocations)/phrases/context for "melanoid" and check conjugation/comparative form for "melanoid". Mastering all the usages of "melanoid" from sentence examples published by news publications.
Captive breeding has created several colour variants including albino, leucistic, golden-albino, olive, melanoid, melanoid-albino and pied examples.
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Melanoid pigments are not formed on peptone yeast iron agar and on tyrosine agar.
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When grown on agar at Piedraia hortae grows very slowly to form black-greenish, limited and pointed colonies. Piedraia hortae taken from infected hairs have dark brown nodules, which are made up of ascostroma. The nodules have a gritty feel, organized in a stromatic fashion and have a high concentration of chitin and melanoid pigments. The colonies produce a red pigment and remain smooth and covered with short aerial hyphae.
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Small amounts of catechol occur naturally in fruits and vegetables, along with the enzyme polyphenol oxidase (also known as catecholase, or catechol oxidase). Upon mixing the enzyme with the substrate and exposure to oxygen (as when a potato or apple is cut and left out), the colorless catechol oxidizes to reddish-brown melanoid pigments, derivatives of benzoquinone. The enzyme is inactivated by adding an acid, such as the citric acid contained in lemon juice. Excluding oxygen also prevents the browning reaction.
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Ganoderma lucidum sensu stricto has a limited distribution in Europe and parts of China, where it grows on the decaying hardwood trees. It almost always has a stipe present, which is tawny to russet colored and 1.5 times the diameter of the cap. Context tissue (sterile tissue inside the fruiting body between the pileus crust and the initiation of the tubes) is pink-buff to cinnamon-buff and corky, showing concentric growth zones and no resinous or melanoid deposits. The hymenium displays 4-5 pores per millimetre.
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The normal wild type animal is brown/tan with gold speckles and an olive undertone. The four mutant colors are leucistic (pale pink with black eyes), albino (golden with gold eyes), axanthic (grey with black eyes) and melanoid (all black with no gold speckling or olive tone). In addition, there is wide individual variability in the size, frequency, and intensity of the gold speckling and at least one variant that develops a black and white piebald appearance on reaching maturity. Because pet breeders frequently cross the variant colors, animals that are double recessive mutants are common in the pet trade, especially white/pink animals with pink eyes that are double homozygous mutants for both the albino and leucistic trait.
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