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Introduction: The color of Clausena lansium L. Skeels cv. Jixin fruit peel is brown (BP), while the mutant cv. Zijin had purple fruit peels (PP). The coloration of the peels was attributed to ...

Researchers are investigating how to increase melanin in the human body, but there are currently few known methods that allow us to naturally increase production of this pigment. Melanin is produced ...

Vitiligo on the penis occurs when patches of skin change color, just as they can on other parts of the body. These melanin (skin pigment) changes occur in about 1% of the United States population, ...

Archaeologists excavating near the Colosseum found a rare chunk of Egyptian blue pigment dating back about 2,000 years. Photo from Simona Murrone and the Colosseum Archaeological Park Across the ...

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