本文详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.
结果表明：葡萄皮紫色素色质优良，有广阔的开发应用前景。
The results showed that, the extracted anthocyanin pigment from grape peel, has the properties of high profits, low cost and controllable quality, and has the good future.
以紫色参薯为原料，研究了参薯紫色素的提取方法及提取条件。
Study on the extraction of purplish red pigment from Solanum nigrum with resins;
以红心萝卜为原料提取了红心萝卜紫色素，并对其理化性质和稳定性进行了研究。
The functional ingredients of pigment, soluble dietary fiber (SDF) and glycoprotein from sweet potato have been studied in this paper.
如一些海蜇以许多含色素较高的幼体甲壳类为食时；在色彩上通常是粉红色到紫色。
For instance, some jellyfish, when feeding on a lot of larval crustaceans that are high in certain pigments, are usually pink to purple in color.
桑椹红色素微胶囊产品为紫色小颗粒，外形颗粒圆整，大小均匀。
The mulberry red pigment capsule is purple granule with round, smooth, equal shape.
以高原鸢尾花为原料，提取紫色色素，并对紫色色素的理化性质进行了研究。
The extraction of purple pigment from iris flower and its physicochemical property were studied.
紫色甘薯色素是从紫色甘薯块根中浸提出来的一种天然食用花青素类色素。
Purple sweet potato colorant is a natural anthocyanin pigment derived from purple sweet potato storage roots.
研究了以紫色甘蔗皮为原料提取色素的基本方法，并进行了紫外可见光谱、红外光谱的测定。
The paper reports a basic method to extract natural pigment from sugarcane skin and carries out the determination of pigment by the ultraviolet and visible light spectrum and infrared spectrum.
以高原鸢尾花为原料，提取紫色色素，并对紫色色素的理化性质进行了研究。结果表明色素具有较好的稳定性，具有一定的开发利用价值。
The extraction of purple pigment from iris flower and its physicochemical property were studied. This pigment is stable and has development good value.
这类新色素通常是红色或紫色的，因此使用它们的树木落叶是红色的——有时会是鲜红色。
These new pigments tend to be red or purple in color, so trees that use them have red leaves in the fall-sometimes insanely bright red.
这类新色素通常是红色或紫色的，因此使用它们的树木落叶是红色的——有时会是鲜红色。
These new pigments tend to be red or purple in color, so trees that use them have red leaves in the fall-sometimes insanely bright red.
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