By using the technology of IR spectrum, the result showed that the basic structure of melanin of Black Bone Sheep is similar to silky fowl, and the mainly composition is eumelanin.

IR光谱研究结果表明，乌骨绵羊黑色素的基本结构与乌骨鸡基本一致，主要是真黑色素。

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Objective: To Study the effect of fixing-fluoride of bone salt emulsion extracted from sheep bone for raw material of Mixin black tea.

目的：研究羊骨提取的骨盐乳剂对米心红茶原料的固定理氟作用。

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