Brown pigments

• • 07/08/2020
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  CHESTNUT SHELL PIGMENT

  Color Value E30 Test UV-VIS Description Natural dye extracted from the fruit of the Castanea Bungeana plant Property Chestnut shell pigment is a type of flavonoid that is soluble in water, hydrochloric acid, carbon hydroxide, ethanol and other aqueous solutions. Different metal ions have different effects on the dye; strong resistance to light, heat, oxidants

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  • Brown pigments,
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• • 07/08/2020
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  CACAO HUSK PIGMENT

  Color Value (EL%, 1cm535±5nm)NLT50 Test UV-VIS Description It is a natural coloring agent developed from cocoa peel Property Brown powder, odorless, slightly bitter taste, very hygroscopic. Soluble in water and diluted in ethanol solution. Good resistance to heat, light and oxidation. Only when pH <4 does precipitation occur. The main component of the color is

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