coloring pigment การใช้

They are crushed and pressed quickly, so the juice doesn't pick up the coloring pigments and remains white.
On another deep end, professor Leonard Jeffries of the City College of New York tells students that black-skinned people are superior because they have more melanin, or coloring pigment, than lighter-skinned peoples.
Typically white wine production involves crushing the grapes and quickly moving the juice off the skins into the orange tinge that the white wines receive due to their contact with the coloring pigments of the grape skins.
Cast stone can be made from white and / or grey cements, manufactured or natural sands, carefully selected crushed stone or well graded natural gravels and mineral coloring pigments to achieve the desired colour and appearance while maintaining durable physical properties which exceed most natural cut building stones.