Optimization for the Process of Chlorophyll a Extraction by Orthogonal Method

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Abstract:

The 90% acetone as extraction agent used in order to obtain the ultrasonic assisted extraction conditions of chlorophyll a. The ultrasonic power, ultrasonic time, centrifugation time and rotational speed as the four study factors and the chlorophyll a concentration as the target, here, the L9(34) orthogonal table of orthogonal experiment design are used in order to determine the optimum extraction contractions, basing on the single factor experiment. The experimental results shows the algae containing water can get better extraction effect, after ultrasonic 30 minutes in 225W and 6000r/min speed centrifugal 9 minutes and then mixing, repeat ultrasound centrifugation steps.

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423-427

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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