CN108244459A - A kind of method for removing vegetables heavy metal - Google Patents
A kind of method for removing vegetables heavy metal Download PDFInfo
- Publication number
- CN108244459A CN108244459A CN201810021273.2A CN201810021273A CN108244459A CN 108244459 A CN108244459 A CN 108244459A CN 201810021273 A CN201810021273 A CN 201810021273A CN 108244459 A CN108244459 A CN 108244459A
- Authority
- CN
- China
- Prior art keywords
- heavy metal
- vegetables
- metal adsorption
- cleaned
- carry out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
- A23L5/27—Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption
- A23L5/273—Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption using adsorption or absorption agents, resins, synthetic polymers, or ion exchangers
Landscapes
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention discloses a kind of methods for removing vegetables heavy metal, include the following steps：The vegetables that harvesting comes are cleaned, are cut, blanching, and improvements carry out heavy metal adsorption processing before blanching, and the heavy metal adsorption processing method is：Heavy metal adsorption material addition clear water is configured to a concentration of 10 20% heavy metal adsorption liquid, the vegetables for cleaning well cutting are placed in heavy metal adsorption liquid, stand 10 20 minutes, vegetables is taken out and is cleaned, then carry out scalding treatment again.Detection proves that the four heavy metal species content of vegetables thus handled reduces by less than 60%.
Description
Background technology
In recent years, with the fast development of industrial or agricultural, plurality of heavy metal pollutant enters soil, water body by all means
In air, vegetables caused by soil and heavy metal pollution of water body and other crop heavy metal excessive problems have become influence
Human life quality, the environment and social concern for threatening human health.With the improvement of living standards, people are to nuisanceless vegetable
Dish, the cry of pollution-free food are higher and higher.Direction to make vegetables industry towards high yield and high quality is developed, and many layout plannings are without soil
Cultivation technique, ecological organic agricultural etc. flourish throughout the country.Wherein, commenting as pollution-free vegetable and green vegetables
One of valency index, content of beary metal have stringent limit standard in production base, production process and product.
Currently, in terms of mainly taking soil conditioning and phytoremediation to prevention heavy metal pollution, but effect is not to manage very much
Think, and there are treatment cost height, complicated for operation, the problem of easily causing secondary pollution.
Currently invention addresses the heavy metal element removed in fruits and vegetables link in vegetables, experiment proves that not only effect is good,
And production cost is low, and it is easily operated.
Invention content
The mesh of the present invention is to provide a kind of method for removing vegetables heavy metal.
The purpose of the present invention is what is be achieved through the following technical solutions, the method for the removal vegetables heavy metal includes following step
Suddenly：The vegetables that harvesting comes are cleaned, are cut, blanching, and improvements are exactly progress heavy metal adsorption processing, institute before blanching
Stating heavy metal adsorption processing method is：Heavy metal adsorption material addition clear water is configured to the heavy metal adsorption of a concentration of 10-20%
The vegetables for cleaning well cutting are placed in heavy metal adsorption liquid by liquid, stand 10-20 minutes, take out vegetables and are cleaned, Ran Houzai
Carry out scalding treatment.
Preferably, heavy metal adsorption material addition clear water is configured to a concentration of 15% heavy metal adsorption liquid, cleaning is cut
Good vegetables are placed in heavy metal adsorption liquid, stand 15 minutes, are taken out vegetables and are cleaned, then carry out scalding treatment again.
The preparation of the heavy metal adsorption material：Maize straw and kaolin carry out ultra-fine grinding respectively, cross 50 mesh sieve, will be beautiful
Rice straw powder is put into 15% H2SO4After impregnating 2h, deionized water is washed to neutrality, is then dried.Corn stalk powder and kaolinite are pressed again
Soil 2：1, than arranging uniform mixing, is placed in heating furnace, is heated up with 10 DEG C/min, be separately heated to 600-700 degree, holding 1.5 is small
Shi Hou treats heat preservation 2 hours, and the heavy metal adsorption material that granular size is 80-100 mesh is obtained after cooling.
It is well known that the main component of maize straw is cellulose, the large specific surface area after ultra-fine grinding, kaolin is
A kind of clay mineral of zeopan containing Shuifu County with special chain layered molecular structure is presented crystal habit, shows nanometer
Effect, adsorption activity and chemism after the two mixing by high temperature cabonization, are formed cavernous with higher adsorption activity
Substance handles vegetables with this aqueous solution, can preferably adsorb the heavy metal element in vegetables.
Detect testing data
1. test method
Experiment leaf vegetables and solanaceous vegetables pick up from the production base of Shandong Qing Pin Food Co., Ltd, will harvest the leaf vegetables of coming
Class and solanaceous vegetables are cleaned as required, cutting process, and leaf vegetables and solanaceous vegetables respectively take identical 6 parts, Ran Houjun
It is even to be divided into two groups：One group of leaf vegetables and each 3 parts of solanaceous vegetables are placed into after ten minutes with heavy metal adsorption material of the present invention immersion
In blanching machine, 3 minutes postcoolings of blanching at a temperature of 100 degree, as test group；Another group of leaf vegetables and each 3 parts of solanaceous vegetables, no
It is impregnated by heavy metal adsorption material, by a conventional method 3 minutes postcoolings of blanching directly at a temperature of 100 degree, as a control group.
Testing result is every group 3 parts of average value.
The method of inspection is according to GB 5009.12-2010《The measure of national food safety standard Pb in food》、GB /
T5009.15—2003《The measure of cadmium in foods》、GB /T 5009.11—2003《The measure of Arsenic In Food》、GB /T
5009.17—2003《The measure of Mercury In Food》It carries out.
2. inspection result is shown in Table 1
1 test group of table is compared with control group testing result（mg/kg）
Leaf vegetables solanaceous vegetables
Lead cadmium arsenic mercury lead cadmium arsenic mercury
Test group 0.081 0.012 0.010 0.005 0.079 0.011 0.009 0.004
Control group 0.215 0.024 0.028 0.020 0.205 0.023 0.019 0.018
As it can be seen from table 1 control group is significantly lower than by the vegetables content of beary metal of test group that heavy metal adsorption material is handled,
Prove that heavy metal adsorption material of the present invention has the function of preferably to remove the heavy metal in all kinds of vegetables.
Specific embodiment
Embodiment one：After the spinach harvested is cleaned, cut, it is placed on processing 15 in 15% heavy metal adsorption liquid
Minute, it is cleaned after taking-up, then carry out scalding treatment.The content for detecting four heavy metal species is respectively：0.0791 mg/kg of lead,
0.0116 mg/kg of cadmium, 0.0092 mg/kg of arsenic, 0.00496 mg/kg of mercury, respectively than locality when batch untreated four kinds of weights of spinach
Tenor low 68.2%, 56.3%, 67.5% and 56.4%.
Embodiment two：The green soy bean for harvesting is cleaned, after sorting, is placed on processing 20 in 10% heavy metal adsorption liquid
Minute, it is cleaned after taking-up, then carry out scalding treatment.The content for detecting four heavy metal species is respectively：0.0598 mg/kg of lead,
Cadmium 0.0109mg/kg, 0.0089 mg/kg of arsenic, 0.00397 mg/kg of mercury, respectively than locality when batch untreated four kinds of huge sum of moneys of green soy bean
Belong to content low 62.3%, 59.4%, 62.5% and 55.2%.
Embodiment three：The green pepper for harvesting is cleaned, after sorting, is placed on processing 10 in 20% heavy metal adsorption liquid
Minute, it is cleaned after taking-up, then carry out scalding treatment.The content for detecting four heavy metal species is respectively：0.0591 mg/kg of lead,
Cadmium 0.0107mg/kg, arsenic 0.0084mg/kg, 0.00389 mg/kg of mercury, respectively than locality when batch untreated four kinds of huge sum of moneys of green pepper
Belong to content low 60.5%, 62.4%, 595% and 65.2%.
Claims (3)
1. a kind of method for removing vegetables heavy metal, includes the following steps：The vegetables that harvesting comes are cleaned, are cut, blanching,
It is characterized in that carrying out heavy metal adsorption processing before blanching, the heavy metal adsorption processing method is：Heavy metal adsorption material is added
Enter the heavy metal adsorption liquid that clear water is configured to a concentration of 10-20%, the vegetables for cleaning well cutting be placed in heavy metal adsorption liquid,
10-20 minutes are stood, vegetables is taken out and is cleaned, then carry out scalding treatment again.
2. a kind of method for removing vegetables heavy metal as described in claim 1, it is characterised in that add in heavy metal adsorption material
Clear water is configured to a concentration of 15% heavy metal adsorption liquid, and the vegetables for cleaning well cutting are placed in heavy metal adsorption liquid, stands 15
Minute, it takes out vegetables and is cleaned, then carry out scalding treatment again.
3. a kind of method for removing vegetables heavy metal as described in claim 1, it is characterised in that the heavy metal adsorption material
It prepares：Maize straw and kaolin carry out ultra-fine grinding respectively, cross 50 mesh sieve, corn stalk powder is put into 15% H2SO4Impregnate 2h
Afterwards, deionized water is washed to neutrality, is then dried；Again by corn stalk powder and kaolin 2：1, than arranging uniform mixing, is placed in heating
It in stove, is heated up with 10 DEG C/min, is separately heated to 600-700 degree, after being kept for 1.5 hours, treat heat preservation 2 hours, after cooling
To the heavy metal adsorption material that granular size is 80-100 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021273.2A CN108244459A (en) | 2018-01-10 | 2018-01-10 | A kind of method for removing vegetables heavy metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021273.2A CN108244459A (en) | 2018-01-10 | 2018-01-10 | A kind of method for removing vegetables heavy metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108244459A true CN108244459A (en) | 2018-07-06 |
Family
ID=62725956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810021273.2A Pending CN108244459A (en) | 2018-01-10 | 2018-01-10 | A kind of method for removing vegetables heavy metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108244459A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115568548A (en) * | 2022-10-21 | 2023-01-06 | 北京艾普希隆生物科技有限公司 | Method for reducing cadmium content in leaf vegetables |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100463290B1 (en) * | 2002-01-12 | 2004-12-23 | 김성호 | Method of neutralize a poison of a medical plants, fruits, vegetables, corn, fishes and meat using charcoal water and pasture |
| CN102783672A (en) * | 2012-07-12 | 2012-11-21 | 浙江海洋学院 | Method for removing heavy metals in mussel cooking liquid |
| CN102849817A (en) * | 2012-08-24 | 2013-01-02 | 武汉工程大学 | Method for separating heavy metals lead and cadmium by using biological adsorbent packed column |
| CN104383890A (en) * | 2014-11-26 | 2015-03-04 | 云南省农业科学院质量标准与检测技术研究所 | Soil heavy metal ion absorbent and preparation method thereof |
| CN106316569A (en) * | 2016-08-01 | 2017-01-11 | 寿县知祝常乐水果种植专业合作社 | Synergistic organic fertilizer for fruit trees |
| CN106360258A (en) * | 2016-08-19 | 2017-02-01 | 王胜利 | Method for adsorbing heavy metals in vegetables through humate |
-
2018
- 2018-01-10 CN CN201810021273.2A patent/CN108244459A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100463290B1 (en) * | 2002-01-12 | 2004-12-23 | 김성호 | Method of neutralize a poison of a medical plants, fruits, vegetables, corn, fishes and meat using charcoal water and pasture |
| CN102783672A (en) * | 2012-07-12 | 2012-11-21 | 浙江海洋学院 | Method for removing heavy metals in mussel cooking liquid |
| CN102849817A (en) * | 2012-08-24 | 2013-01-02 | 武汉工程大学 | Method for separating heavy metals lead and cadmium by using biological adsorbent packed column |
| CN104383890A (en) * | 2014-11-26 | 2015-03-04 | 云南省农业科学院质量标准与检测技术研究所 | Soil heavy metal ion absorbent and preparation method thereof |
| CN106316569A (en) * | 2016-08-01 | 2017-01-11 | 寿县知祝常乐水果种植专业合作社 | Synergistic organic fertilizer for fruit trees |
| CN106360258A (en) * | 2016-08-19 | 2017-02-01 | 王胜利 | Method for adsorbing heavy metals in vegetables through humate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115568548A (en) * | 2022-10-21 | 2023-01-06 | 北京艾普希隆生物科技有限公司 | Method for reducing cadmium content in leaf vegetables |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102987225B (en) | Method for removing aflatoxin in rice flour | |
| CN105219681A (en) | A kind of bacillus amyloliquefaciens Bacillus amyloliquefaciens D2WM and preparation method and application | |
| Sultana et al. | Silver nanoparticles elicited physiological, biochemical, and antioxidant modifications in rice plants to control Aspergillus flavus | |
| Wei et al. | Effect of 6‐benzylaminopurine combined with ultrasound as pre‐treatment on quality and enzyme activity of green asparagus | |
| Meisami-asl et al. | Mathematical modeling of kinetics of thin-layer drying of apple (var. Golab) | |
| Chavan | Nutritional changes in oilseeds due to Aspergillus spp. | |
| CN104015238B (en) | A kind of mildew-proof treatment method again contaminating mould bamboo chip | |
| CN1709092A (en) | Green tea microwave processing and fresh-retaining method | |
| CN101822140B (en) | Method for using nanometer materials for promoting sprouting and growth of soybean seeds under drought stress | |
| CN107008226A (en) | The removal technique of aflatoxins and BaP in peanut oil | |
| CN108244459A (en) | A kind of method for removing vegetables heavy metal | |
| Jafari-Moghadam et al. | Reduction of arsenic content in imported polished rice: association of cooking method | |
| Saberian et al. | Modeling of vacuum drying of loquat fruit | |
| Widjanarko et al. | Optimization of ultrasound-assisted extraction of konjac flour from amorphophallus muelleri blume | |
| Fontana et al. | Cultivation, harvest and postharvest aspects that influence quality and organoleptic properties of hazelnut production and related final products | |
| CN103493876B (en) | A kind of processing method of the green soya bean that dewaters | |
| CN109909513A (en) | A kind of method and purposes with comospore Glochidion puberum biosynthesis nano silver particles | |
| Heydari et al. | Effect of drying processes on stability of anthocyanin extracts from saffron petal | |
| CN102461703A (en) | Preparation method of balsam pear tea | |
| CN104171971A (en) | Method for preparing organic highland barley green and organic highland barley seedling powder | |
| Markuszewski et al. | Effect of biological treatment used before harvesting and storage methods on the quality, health and microbial characteristics of unripe hazelnut in the husk (Corylus avellana L.) | |
| Pawar et al. | Effect of abrasive pre‐treatment on drying rate of grape berries and raisin quality | |
| CN106947699A (en) | Moschus mould W S 41 and application thereof | |
| Valle-Sotelo et al. | Bioefficacy of fungal chitin oligomers in the control of postharvest decay in tomato fruit. | |
| KR102597052B1 (en) | Manufacturing method of washed grain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |