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[Objective]In order to take full advantage of the source of leaves of Jasminum samba and supply raw materials for all kinds of new production of pigments such as edibles and medical drug,the microwave-assisted method was utilized for the deeper research on the extraction of pigments of leaves of Jasminum samba.[Methods]By using single factor experiment and orthogonal experiment,the optimal ultrasonic extraction process of pigments of leaves of Jasminum samba was achieved.[Results]The optimal ultrasonic extracting condition:the time of ultrasonic extraction was 9 min,solid-to-liquid ratio was 1∶20.The power of ultrasonic was 120 W.[Conclusions]By the use of this simple,handy method,the optimal ultrasonic extraction process was discovered.
[Objective] In order to take full advantage of the source of leaves of Jasminum samba and supply raw materials for all kinds of new production of pigments such as edibles and medical drug, the microwave-assisted method was utilized for the deeper research on the extraction [Methods] By using single factor experiment and orthogonal experiment, the optimal ultrasonic extraction process of pigments of leaves of Jasminum samba was achieved. [Results] The optimal conditions of ultrasonic extraction was 9 min, solid-to-liquid ratio was 1:20. The power of ultrasonic was 120 W. [Conclusions] By the use of this simple, handy method, the optimal ultrasonic extraction process was discovered.