色价

通过正交优化实验确定最佳发酵条件，结果表明：硝酸钾浓度为0.2%，米粉浓度为5%，培养基初始pH为5.5，通气量为75mL/500mL时产色素色价最高。

The optimal conditions of fermentation were obtained by orthogonal experiment : KNO3 0.2 % , rice powder 5 % , culture medium pH 5.5 , aeration 75 mL / 500 mL. The color value of pigment was the best under such conditions .

最佳工艺条件下与索式回流提取法相比较，辣椒红色素的色价提高了17.69%。

Under the optimum conditions , then compared with soxhlet extraction , the color value of capsanthin had increased 17.69 % . Third , the optimum process was for PICT assisted extraction of capsaicin .

红曲色素对光不稳定，在自然光下放置24h后红曲黄色素色价残存率为68.90%，红曲红色素的色价残存率为75.02%。

The yellow pigment has a 68.90 % residual rate , and the red pigment has a 75.02 % residual rate after 24h with the irradiation of nature light .

柠檬酸、乙酰丙酸和有机酸钾处理增加了Vc含量、可溶性糖含量、淀粉含量、辣椒可食部分比例和色价，降低了粗纤维含量。

Citric Acid , Levulinic Acid and Organic Acid Potassium fertilizer increase the Vc content , soluble sugar content , starch content , the edible part and the color value , decrease the crude fiber content .

修饰前的萝卜红色素在强日光下照射5d，吸光值明显下降，色价损失达95.7%，而在相同条件下修饰后色素的色价仅损失了17.8%。

95.7 % of the color value of radish red lost after strong sunlight irradiation , while only 17.8 % was lost for modified pigment .

在发酵过程中添加氮源有利于色价的提高。红曲固态发酵最佳条件是接种量6%，米饭初始水分38%，发酵温度32～35℃，全过程发酵10d。

The optimum conditions of red kojic solid fermentation were 6 % load , 32 ~ 35 ℃ fermentation temperature and 38 % rice initial moisture content .

在此条件下，色素提取率为96.8%，产率为9.98%，色价（1%，526nm）为10.5，pH值为6.5。

Under these optimal conditions , the extraction rate is 96 . 8 % , the productive rate is 9 . 98 % , the colority ( 1 % , 526 nm ) and pH value of the extractive are 10 . 5 and 6 . 5 respectively .

研究结果表明：超滤膜分离与大孔树脂吸附工艺结合，既能实现高提取率、高色价，以及减轻树脂吸附负荷和提高工作效率，又可降低OD比值；

Indication of results : combine ultra - filtration with resin reach a high rate of extraction and colour of the product , lighten the resin on the state , raise working efficiency , and lower OD .

每升发酵液可获得色价高于50（E1%595）的栀子蓝色素12g以上。

The culture can produce 12g Gardenia blue pigment ( E1 % 595 ≥ 50 ) per liter fermented broth .

紫外光对红曲色素具有较强的破坏能力，紫外光照射120min后，红曲黄色素色价残存率为44.56%，红曲红色素的色价残存率为50.13%。

The UV has a great damage at the pigments . After the 120 mins UV irradiation , the yellow pigment has a 44.56 % residual rate , and the red pigment has a 50.13 % residual rate .

本文研究探讨了引起红曲色价测定结果误差的几个因素及解决办法，并对85年版《GB4926-85食品添加剂红曲米》国家标准中的测定红曲色素色价的方法提出了几点修改建议。

The article discussing the factors and solution of error in determine color value of monascus pigments , and proposed some modification to test methods in GB4926-85 food additive red kojic rice .

再利用红曲霉M-1菌株为生产菌，糖化麸皮为原料，采用曲盒发酵工艺制备红曲麸，红曲麸的红曲色素色价达到了372U/g，为二级红曲米红曲色素色价的74%。

Using saccharified bran as raw material , Monascus bran was prepared by fermentation of Monascus sp.M-1 in the box . The chromatic value of the Monascus bran was 372 U / g , which was 74 % chromatic value of the red koji from second-class red kojic rice .

1为出发菌株，通过紫外线诱变处理，获得一株色价较高的菌株No。

Was mutated by UV . treatment . One strain , No.

偏黄色调高色价红曲米发酵条件的研究

Fermentation conditions for partial yellow , high color value red rice

高色价桑椹红色素的研制及其质量控制研究

Development of Mulberry Red Pigment with High Color Value and Its Quality Control

膜技术集成树脂制取高色价栀子黄色素的研究

The Study on Producing Gardenia Yellow Pigment by Macroporous Adsorption Resins and Membrane Technology

高色价栀子蓝色素的制备及其纯化工艺研究

Study on the production and purification of gardenia blue pigment with high colour value

高色价红曲技术和纯种红曲酿酒新技术的应用；

The application of new techniques of high color number red starter and pure red starter ;

一般的金属（铜除外）对色素色价的影响很小。

Ordinary metals ( except for copper ) has little effect on the pigment . 5 .

高色价红曲米色调定向培养条件的研究

Study on the Fermentation Conditions of Red Yeast Rice with High Pigment Value and Oriented Color hue

此时色素得率为10.28%，色价13.1。

At this condition , the yield of pigment was 10.28 % , color scale was 13.1 .

此条件下产品得率为15.97%，色价7.9。

At this condition , the yield of pigment was 15.97 % , color scale was 7.9 .

再用乙醇作溶剂洗脱辣椒红素，脱除溶剂得到红色油状辣椒红素产品，色价为150。

Capsorubin was obtained from the same column using ethanol as solvent and its color number is 150 .

并提出了开发功能性红曲产品的发展方向，讨论了有关桔霉素的安全含量问题及红曲色素色价的测定方法。

Developing trend of functional red koji , safe content of citrinin and determination of pigment concentration in red koji were discussed .

精制产品为黑红色粉状晶体，回收率618%，色价达1548。

The recovery rate was 61.8 % . The refined product is a dark red powder , and the color value is 15.48 .

在优化工艺条件下，可得到偏红色调高色价红曲米。

Conclusion : Under the optimized culture condition , a Red Yeast Rich with high pigment value and more red color hue was obtained .

结果：按本实验确定的工艺，制得紫甘蓝色素色价（E11%cm520nm）为87.06，固形物收率为0.27%。

Results : The colour value of purple cabbage pigment could reach ( E1 % 1cm520nm ) 87.06 , the yield is 0.27 % .

初步总结了定性和定量测定高色价红曲米中桔霉素的方法。

In this paper , we also summarize the methods of TLC and HPLC determination of citrinin for high color value red rice samples .

测定了山葡萄种内6个杂交组合888株杂交后代实生苗浆果的总酸、单宁和果皮色素（色价）的含量并对其进行了遗传分析。

Fruit pigment , tannin and total acid of 888 progenies plants of 6 crossbred combinations of Vitis amurensis were observed via intraspecific hybrIdization .

试验结果表明：驯化红曲菌发酵生产的富硒红曲米，色价达2075，有机硒的含量为14mg/kg；

The results show that organic selenium ' content is 14mg / kg and pigment yield of 505 units is 2075 in domesticated Monascus ' fermentation product .