Title: Extraction of the pigment of cabbage under ultrasonic and its stability
Abstract: Objective: The purpose was to explore the method of extracting for pigment under ultrasound and its stability from cabbage.Methods: The single factor and orthogonal tests for extraction were used to determine the optimum conditions andits stability of the p igment.Results: The results indicated that the optimal conditions were determined as follows: ultrasound 70w,time 40 min,extraction temperature 40℃,ratio was 1∶ 50(per 1.0g black rice).The effect of light on stability and at room temperature on pigment it were high and the effects of acid was low,and the effects of alkali and food additives sucrose and citric acid were low.Antioxi-dant p roperty of the purp le Rubiaceae was high but anti-reductive property of itwas low.Na+,Ca2 + plasma had little effect on pigment and Fe2 +,Cu2 +.Conclusion: The method of extracting Rubiaceae shorten the time of extraction,more effective and more economical.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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