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首页> 外文会议>International Conference on Agricultural and Natural Resources Engineering >Effect of Nitrogen Sources on Production and Photostability of Monascus Pigments in Liquid Fermentation
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Effect of Nitrogen Sources on Production and Photostability of Monascus Pigments in Liquid Fermentation

机译：氮源对液体发酵液体发酵液体颜料生产和光稳定性的影响

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The effect of different nitrogen sources on the yield, distribution and photostability of monascus pigments was detected in liquid fermentation. Compared to the control, glutamic and 6-furturylaminopurine could increase the production of pigments from 4185 to 4303 and 4349 U g~(-1) for different mechanism. More important, 6-furturylaminopurine could increase the extracellular pigments from 697 to 1404 U g~(-1). and increased the hue of fermentation broth from 0.887 to 1.072. The light stability of extra and intracellular red pigments could be improved by adding different nitrogen. The half-life of derivatives from Tryptophan and 6-furturylaminopurine increased from 1 h (control) to 4 and 3h. It was concluded that different nitrogen sources could affected the pigments production, the hue of fermentation liquid, and improved light stability of monascus pigment. It was very usefull for increasing the production and improving the light stability of monascus pigments.
机译：液体发酵中检测不同氮源对普通型颜料产量，分布和光稳定性的影响。与对照相比，谷氨酸和6-呋喃氨基嘌呤可以增加4185至4303和4349 U G〜（-1）的颜料的产生。更重要的是，6-呋喃氨基嘌呤可以将细胞外颜料从697％增加到1404 u g〜（-1）。并将发酵液的色调从0.887增加到1.072。通过添加不同的氮气可以改善额外和细胞内红色颜料的光稳定性。来自色氨酸和6-呋喃氨基嘌呤的衍生物的半衰期从1小时（对照）增加到4和3H。结论是，不同的氮源可以影响颜料生产，发酵液的色调，改善蒙斯马士素颜料的光稳定性。增加生产和提高普通话颜料的光稳定性是非常有用的。

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