The red color stability of betacyanins from Opuntia ficus-indica was examined. From the examination of absorption maxima(λmax 534nm), the red pigment was found most stable in water solution without any type additives including H+, OH-, methanol, inor...
The red color stability of betacyanins from Opuntia ficus-indica was examined. From the examination of absorption maxima(λmax 534nm), the red pigment was found most stable in water solution without any type additives including H+, OH-, methanol, inorganic salts, and external heat.