"Food additive" means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing.

食品添加剂：指为改善食品品质和色、香、味，以及为防腐和加工工艺的需要而加入食品中的化学合成或者天然物质。

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Monascus Colour is a kind of natural food coloring.

红曲色素是一种天然食用色素。

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Anthocyanins are natural technicolored pigments and are bright-coloured, which can dissolve in water and combine with food easily. They are important food additives instead of artificial colour.

葡萄皮花色苷是一种天然色素，具有溶解性好、色彩鲜艳、易与食品结合上色等特点，是替代合成色素的一类重要食品添加剂。

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