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FOOD COLOURS** (Natural Color (Examples (Caramel (Class 4 (sulphite…

- - - - Class 1
        
        plain caustic caramel
        
        high-proof alcohol
        
        neutral charge
      - Class 2
        
        sulphite caustic caramel
        
        heating with sulphite
        
        stable in alcohol and widely used in beverages
        
        negatively charge
      - Class 3
        
        ammonia caramel
        
        most used in beer making and soy sauce
        
        strong positive charge
      - Class 4
        
        sulphite ammonium caramel
        
        darkest caramel color
        
        use in dark bread,pet food,ice cream,soup
        
        strongly negative chage