以含硫化合物还原红曲色素,红斑素和红曲红素分子中的环羰基还原成羟基,得到水溶性红白曲黄色素。
The water soluble Monascus yellow pigment was prepared by reducing the cyclocarbonyl of monascorubrin and rubropunctatin to hydroxyl with sulphuric compounds.
用自制一氧化碳发生炉提供的还原气氛,在管式炉中仿制了铜红釉试片。
The sample of red copper glaze was imitated in pipe furnace under the reduction atmosphere offered by self-making co reaction furnace.
介绍了自还原法制备低温无铅铜红釉的工艺方法、工艺参数以及影响铜红釉呈色效果的因素。
Introduce technic method, technic parameters, and factors which affect the color of the glaze of low-temperature no-lead red copper glaze by using self-destruction.
结果表明番茄红素对热、碱、氧化剂、还原剂等较稳定,但对光十分不稳定。
The results showed that is is stable to heating, alkali, oxidant and reducing agent, however, it is very sensitive to light.
对钢铁厂铁鳞、铁红的基本物化性能和还原性能进行了研究。
The basic physicochemical properties and reducibility of the scale and iron red in an iron and steel plant are researched.
氧化剂、还原剂和防腐剂对番茄红素的稳定性影响非常小 ,抗氧化剂能延缓番茄红素的损失 ;
Oxidant, reducing agent and preservative. little affects the stability of lycopene, but antioxidant delays the loss of lycopene.
用于分散染料、还原染料加工时的分散助剂,尤其在分散红及有些染料品种使用时效果特别显著,还可用于涂料、印花。
It can work as dispersion auxiliary in disperse dye and VAT dye, especially in red and other kinds. Can also be used in coating and printing.
方法:对有机溶剂、光、热、还原剂、食品添加剂、金属离子等可能对番茄红素稳定性造成影响的因素,进行综合研究。
Methods: the organic solvents, light, heat, reducing agent, food additives and metallic ions were comprehensively studied because they could cause some effects on the stability of lycopene.
方法:对有机溶剂、光、热、还原剂、食品添加剂、金属离子等可能对番茄红素稳定性造成影响的因素,进行综合研究。
Methods: the organic solvents, light, heat, reducing agent, food additives and metallic ions were comprehensively studied because they could cause some effects on the stability of lycopene.
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