Rung International offers Annatto Oil Soluble Food Color. Rung International is an ISO 9001 registered organisation. Rung International manufactures different types of primary food colors, natural food colors, synthetic food colors, blended food colors, and reactive dyes. The Annatto Oil Soluble Food Color or 1.5% bixin is available in yellow to orange color. Derived from annatto seeds, this food color is added in margarine, butter, snacks, chocolate, salad dressing, bakery products, sauces and desserts for enhancing their appearance.