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1·This text discussed abstraction of the natural carotenoid pigment and development and utilization technology on the basis of describing the carotenoid pigment physics and chemistry characteristic.

在论述类胡萝卜素色素理化特性基础上，对天然类胡萝卜素色素的提取及开发利用技术进行了讨论。

2·Another major class of nutritional characteristics of the natural pigment is carotenoid.

另一大类具有营养特性的天然色素是类胡萝卜素。

3·Chrysophyta are described as golden-brown with a carotenoid pigment thus orange is quite native to this Marine algae.

金藻被称为“金黄色”来形容“类胡萝卜素”颜料，橙色是相当原产于这个海洋藻类。

4·Methods: The chemical composition of the pigment from gingko seed was identified as carotenoid by UV absorption spectrum.

方法： 可见光吸收光谱特性分析证实白果中色素成分为类胡萝卜素；

5·Astaxanthin is a carotenoid, Carrot pigment synthesis is also class the highest level of product, in nature, Astaxanthin has the strongest antioxidant activity.

虾青素是类胡萝卜素的一种，也是类胡萝素合成的最高级别产物，在自然界中，虾青素具有最强的抗氧化性。