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.

Active Publication Date: 2016-05-18
嘉兴联飨科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, excessive intake of residual free copper in zong leaves can easily lead to vomiting, diarrhea, and even heavy metal poisoning.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[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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PUM

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Abstract

The invention discloses a piece of steamed rice dumpling leaf capable of removing free copper and a preparation method thereof. The steamed rice dumpling leaf is put into quick lime filtration liquid for soaking treatment after being blanched in boiling water containing copper sulfate. The quick lime filtration liquid has the processing steps of putting 5 to 15 parts of humidified and dissolved quick lime into 85 to 95 parts of clear water to be uniformly stirred, and obtaining lime milk; adopting a 100-mesh gauze screen to filter the lime milk, and obtaining the quick lime filtration liquid. The steamed rice dumpling leaf has the processing steps of putting the steamed rice dumpling leaf into clear water to clean and soak for one hour; putting the soaked steamed rice dumpling leaf into boiling water to blanch for 5 to 10 minutes; cutting off leaf stalks of the blanched steamed rice dumpling leaf, and then putting the steamed rice dumpling leaf into the quick lime filtration liquid to soak for two hours; cleaning for five minutes by clear water; drying under low temperature; packaging. Since the blanched steamed rice dumpling leaf can be subjected to the soaking treatment by the quick lime filtration liquid, the free copper in the steamed rice dumpling leaf reacts with calcium hydroxide to form copper hydroxide precipitate, and thus the situations of emesis, diarrhea and heavy metal poisoning caused by excess copper ion intake by a human body can be avoided.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a method for preparing zongzi leaves from which free copper is removed. Background technique [0002] In the vast areas of southern my country, zongzi leaves have been used for a long time to make zongzi, package other foods, serve as decorations on the table and foil of food, and can also be used for making utensils. Zong leaves contain a large amount of nutrients such as chlorophyll and a variety of amino acids that are beneficial to the human body, and have a special bamboo fragrance and antiseptic effect. "Compendium of Materia Medica" records that Zongye has the effects of clearing away heat and stopping bleeding, detoxifying and reducing swelling, and treating hematemesis, bleeding, dysuria, and carbuncle. Studies in recent years have proved that the polysaccharides from Zongye leaves have anti-cancer effects. "Dictionary of Chinese Medicine" also introduces that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23N12/02
Inventor 罗福仲
Owner 嘉兴联飨科技有限公司
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