The brown pigment of loquat nut is natural and pigment.

枇杷果核棕色素是一种天然色素.

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The extraction of brown pigment from chestnut shells and its physicochemical properties was studied.

研究了板栗壳棕色素的提取及其理化性质.

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So what does black and dark brown pigment of skin and hair offer?

那么黑色和黑褐色皮肤及头发会提供 什么 ?

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In this paper , the process of buckwheat hull flavoid compound, hemicelluloses, brown pigment, polysaccharide were summarized.

从荞麦壳中黄酮类化合物 、 半纤维素 、 棕色素 、 多糖等五方面介绍了荞麦壳的研究进展及其新用途.

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