Study on Determination of Formaldehyde in Mushroom and Aquatic Products by Acetyl-acetone Spectrophotometric Method

Abstract

Abstract: Acetyl-acetone spectrophotometric method is adopted to analyze the content of formaldehyde in mushroom and aquatic products.The sample is soaked in water at low temperature before adding phosphoric acid and distilling,and the temperature of cooling water is controlled below 10℃and at last the content of formaldehyde in sample is analyzed by spectrophotometer.Through the opitimization of the analysis conditions,the limit of quantitation is 0.1mg/kg,the recovery is between 90% and 111%,and the relative standard deviation is between 5.6%～8.5%.

Key words: formaldehyde, spectrophotometric method, mushroom, aquatic product

HUA Hong-Hui, YUE Zhen-Feng, ZHENG Wei-Ping, LIN Yan-Kui, HAN Rui-Yang, WANG Yao-Yu. Study on Determination of Formaldehyde in Mushroom and Aquatic Products by Acetyl-acetone Spectrophotometric Method[J]. FOOD SCIENCE, 2007, 28(4): 273-276.

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Study on Determination of Formaldehyde in Mushroom and Aquatic Products by Acetyl-acetone Spectrophotometric Method

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