Reducing sugar identification: 1, to in vitro implanted 2ml tested tissue sample liquid. 2, to the tube into the 1ml Fehling Reagent (a mixture and ethylene liquid is evenly mixed after the injection of ). In 3, the tube is placed in the 50-65 degrees of warm water in the beaker heating for about 2 minutes. In 4, observed in the test tube in color change.
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