A kind of preparation method of the Zong leaf that removes free copper
A technology of dissociating copper and zong leaves, applied in application, food processing, food science, etc., can solve problems such as heavy metal poisoning, vomiting, diarrhea, etc.
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[0022] Embodiment: put into quicklime filtrate after blanching in the boiling water that contains copper sulfate and carry out soaking treatment, each component and content of quicklime filtrate are as follows:
[0023] 90kg of clear water,
[0024] Quicklime 10kg.
[0025] The quicklime filtrate is processed through the following steps:
[0026] A. Spray and melt the quicklime, put it into clear water and stir evenly to obtain milk of lime;
[0027] B. adopt 100 mesh gauzes to filter and make quicklime filtrate.
[0028] Zongye is processed through the following steps:
[0029] A. Wash the zong leaves in clean water and soak for 1 hour;
[0030] B. putting the soaked zong leaves into boiling water containing 10% copper sulfate and blanching for 8 minutes;
[0031] C. Cut off the petioles of the blanched zong leaves, and then soak them in quicklime filtrate for 2 hours;
[0032] D. Rinse with water for 5 minutes;
[0033] E. Drain and dry at a low temperature of 30-50°C...
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