色价
- 网络Color value
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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.
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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
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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
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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
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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
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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 ;
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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 .
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 % .
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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 .
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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 .
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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 .