The key points for extraction of natural edible purpurin and blue pigment are described.
述了天然食用紫色素和蓝色素的提取技术和操作要点。
The key points for extraction of natural edible purpurin and blue pigment are described.
述了天然食用紫色素和蓝色素的提取技术和操作要点。
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