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. 2020 Jul 20;21(14):5134. doi: 10.3390/ijms21145134
A500 Absorbance at the wavelength of 500 nm
A650 Absorbance at the wavelength of 650 nm
AHPO Alkaline hydrogen peroxide oxidation
3-AHP 3-Amino-4-hydroxyphenylalanine
4-AHP 4-Amino-3-hydroxyphenylalanine
AU Arbitrary unit
DHI 5,6-Dihydroxyindole
DHICA 5,6-Dihydroxyindole-2-carboxylic acid
H2O2 Hydrogen peroxide
HI Hydroiodic acid
HPLC High performance liquid chromatography
ITA Individual Typology Angle
LOD Limits of detection
LOQ Limits of quantification
PDCA Pyrrole-2,3-dicarboxylic acid
PTCA Pyrrole-2,3,5-tricarboxylic acid
PTeCA Pyrrole-2,3,4,5-tetracarboxylic acid
TDCA Thiazole-4,5-dicarboxylic acid
TBA+Br Tetra n-butylammonium bromide
TM Total melanin
TTCA Thiazole-2,4,5-tricarboxylic acid