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Question

超声波辅助提取紫甘蓝天然色素及性质研究
摘要：以食用紫甘蓝菜为原料，用蒸馏水作浸提剂，采用超声波辅助水浸提的方法研究紫甘蓝色素提取工艺，并对其热稳定性，对光的稳定性及金属离子对色素的影响等。实验结果表明提取紫甘蓝色素的最佳工艺条件是：以蒸馏水为浸提剂，液固比为40：1(mL：g)， pH为7，超声辅助功率80%，浸提时间50min，此条件下蓝色素的提取率达18.2%，且比传统工艺大大缩短了浸提时间。对其性质的分析表明：紫甘蓝色素对光的稳定性较好；在室温下亦很稳定，温度升高其降解速度加快；K+、Na+、Cu2+、Mg2+、Zn2+、Ga2+等离子对色素基本无影响，Fe3+、Al3+、Sn2+等对其稳定性有一定的影响。
关键词:甘蓝色素；天然色素；超声；提取

Answer 1

Abstract: The consumption of raw materials for the purple cabbage, used for the extraction of distilled water, using ultrasonic wave of flooding to the Method of purple cabbage pigment extraction process, and its thermal stability, light metal ions and the stability of the pigment Impact. The results showed that pigment from purple cabbage is the optimum conditions: the extraction of distilled water, liquid-solid ratio of 40:1 (mL: g), pH 7, 80 percent of ultrasound-assisted power, extraction time 50 min, Under these conditions the blue-extraction rate of 18.2 percent, than the traditional process and greatly shorten the extraction time. The nature of their analysis showed that: the light purple cabbage pigment better stability; very stable at room temperature, the temperature rises faster degradation; K +, Na +, Cu2 +, Mg2 +, Zn2 +, Ga2 + plasma basically the pigment Impact, Fe3 +, Al3 +, Sn2 +, and so on have a certain impact on stability.
Key words: cabbage pigment; natural pigments; ultrasound; extract

Answer 2

The ultrasonic wave withdraws the purple sea cabbage natural pigment and the nature auxiliary studies the abstract: Take the edible purple cabbage as raw material, does with the distilled water soaks raises the medicinal preparation, uses method study purple sea cabbage pigment extraction process which the ultrasonic wave auxiliary water immersion raises, and to its thermostability, to light stability and metal ion pair pigment influence and so on. The experimental result indicated that withdraws the purple sea cabbage pigment the best technological conditions is: As soaks take the distilled water raises the medicinal preparation, liquid solid compared to is 40:1(mL:g), pH is 7, the supersonic auxiliary power 80%, soak raises time 50min, under this condition the cyanine extraction rate reaches 18.2%, and reduced greatly compared to the traditional process has soaked proposes the time. Indicated to its nature's analysis: The purple sea cabbage pigment is good to the light stability; Is also very stable under the room temperature, the temperature increment its degeneration speed speeds up; K+, Na+, Cu2+, Mg2+, Zn2+, the Ga2+ plasma does not have the influence basically to the pigment, Fe3+, Al3+, Sn2+ and so on has certain influence to its stability. key word: Sea cabbage pigment; Natural pigment; Supersonic; Extraction