CN101803791A - Method for removing segment membranes from citrus - Google Patents
Method for removing segment membranes from citrus Download PDFInfo
- Publication number
- CN101803791A CN101803791A CN 201010138696 CN201010138696A CN101803791A CN 101803791 A CN101803791 A CN 101803791A CN 201010138696 CN201010138696 CN 201010138696 CN 201010138696 A CN201010138696 A CN 201010138696A CN 101803791 A CN101803791 A CN 101803791A
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- China
- Prior art keywords
- tangerines
- oranges
- enzymolysis liquid
- citrus
- lobe
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Abstract
The invention provides a method for removing segment membranes from citrus. The method is characterized by comprising the following steps: (1) adding the alkaline liquid of 0.8%-1% pectinase with the activity thereof being higher than 150,000U/ml to water, and adjusting the pH value of the water to 9 by sodium carbonate to obtain enzymolysis liquid; (2) heating the enzymolysis liquid until the temperature of the enzymolysis liquid is increased to 45 to 50 DEG C; (3) feeding the enzymolysis liquid and citrus segments by weight ratio of 2:1 to an enzymolysis tank; (4) stirring in the presence of compressed air with the pressure thereof being 0.2MPa to 0.4MPa for 25 to 35 minutes; and (5) taking out and rinsing the citrus segments with clear water after visually indicating that most segment membranes are removed from the citrus, manually sorting, canning, adding syrup, sealing and sterilizing to obtain citrus cans.
Description
Technical field
The present invention relates to the method that the employing enzyme process removes oranges and tangerines lobe capsule clothing in the processing of oranges and tangerines can, belong to food processing technology field
Background technology
Appearance at the oranges and tangerines lobe is wrapped in the capsule clothing, if the processing citrus can just need remove the capsule clothing, one of method that adopts in the processing of prior art oranges and tangerines can is that acid-base method goes capsule clothing technology, a large amount of hydrochloric acid and the caustic soda of the annual consumption of this technology, and labor strength is big, it is big that human body is endangered, and can produce a large amount of sewage simultaneously, and sewage must carry out could discharging after the harmless treatment, disposal cost is higher, can cause serious environmental pollution when processing is thorough.
It is that enzyme process removes the capsule clothing that oranges and tangerines go the another kind of method of capsule clothing, and it is to utilize acid pectase to carry out removing of orange skin that existing described enzyme process removes the capsule clothing.Acid pectase goes the shortcoming of orange skin method to be: 1, cost height; 2, can not remove the aurantiamarin that causes oranges and tangerines can muddiness simultaneously; 3, the uncontrollable local enzyme overtreating phenomenon that in excystation clothing process, is prone to.
Summary of the invention
Purpose of the present invention provides a kind of with alkaline pectase in order to overcome the defective of prior art, replace hydrochloric acid and remove orange skin with caustic soda or acid pectase, in conjunction with the air paddling process to the rub orange skin removal method of processing of oranges and tangerines lobe.This method is carried out under the alkalescence environment, in the excystation clothing, also remove the aurantiamarin that only is dissolved in the akaline liquid, utilized the active difference of alkaline pectase in different pH value media simultaneously, can prevent the local enzyme overtreating of tangerine lobe phenomenon in the excystation clothing process automatically.Thereby reach the purpose of processing high grade oranges and tangerines can.
The technical scheme of the method for a kind of removing segment membranes from citrus of the present invention is, it is characterized in that:
1., be included in and add 0.8%～1% akaline liquid pectase in the water, its akaline liquid pectinase activity is more than 150,000 U/ml, with sodium carbonate the pH value of water is transferred to 9, makes enzymolysis liquid;
2. with enzymolysis liquid heating, make enzymolysis liquid temperature rise to 45 ℃～50 ℃;
3. calculate by weight,, oranges and tangerines lobe and enzymolysis liquid are placed the enzymolysis groove with enzymolysis liquid and 2: 1 ratio of oranges and tangerines lobe;
4. start compressed air and stir, air pressure is 0.2-0.4Mpa, and the stir process time is 25-35 minute;
5. after the oranges and tangerines lobe capsule clothing that detects by an unaided eye is removed substantially, the oranges and tangerines lobe is taken out, clean with the clear water rinsing, after manual sorting, tinning adds syrup, seals, and is the oranges and tangerines can after the sterilization.
The method that the present invention adopts alkaline pectase to remove oranges and tangerines lobe capsule clothing replaces prior art by hydrochloric acid and caustic soda or acid pectase, and removes the capsule clothing compared with the prior art in conjunction with the air paddling process, has following good effect:
1, method is simple, using water wisely: this law adopts alkaline pectase and removes the capsule clothing in conjunction with the air paddling process is disposable removal method, i.e. the one-step removal method, simplified production process greatly, and saved and gone capsule clothing rinsing water amount, significantly alleviate environmental pollution, reduce production costs.
2, because the aurantiamarin in the oranges and tangerines lobe is dissolved in the akaline liquid,, improved the quality and the class of oranges and tangerines cans, increased economic benefit so in the excystation clothing, removed the aurantiamarin that makes the oranges and tangerines can produce white precipitate.
3, utilize the active difference of alkaline pectase in different pH value media, can prevent local enzyme overtreating phenomenon in the excystation clothing process automatically, reach the order of processing high grade can.
The specific embodiment
The method that the present invention adopts the alkaline pectase oranges and tangerines to remove the capsule clothing, its technological process of production is:
Key points for operation are:
1. peeling distinguish:, get same other citrusfruit of level and put in 95 ℃ the hot water and soaked manual peeling 1～2 minute with bright oranges and tangerines size classification, require during peeling from oranges and tangerines the base of a fruit shell into, guarantee tangerine ball rounding, the tangerine ball after 15 minutes, carries out distinguish at air drying.
2. the preparation of enzymolysis liquid: add 0.8%～1% akaline liquid pectase in water, its akaline liquid pectinase activity is more than 150,000 U/ml, with sodium carbonate the pH value of water is transferred to 9, makes enzymolysis liquid; With enzymolysis liquid heating, make enzymolysis liquid temperature rise to 45 ℃～50 ℃;
3. enzymolysis processing: calculate by weight, enzymolysis liquid and the oranges and tangerines lobe ratio in 2: 1 is added in the enzymolysis groove, starting compressed air evenly stirs, air pressure is 0.2-0.4Mpa, and the time is about 30 minutes, after the oranges and tangerines lobe capsule clothing that detects by an unaided eye is removed substantially, the oranges and tangerines lobe is taken out, clean with the clear water rinsing, after manual sorting, get clean oranges and tangerines lobe.
4. tinning sterilization: with the tinning of clean oranges and tangerines lobe, add syrup, seal, be the syrup canned orange segments after the sterilization.
Claims (1)
1. the method for a removing segment membranes from citrus is characterized in that:
1., be included in and add 0.8%～1% akaline liquid pectase in the water, its akaline liquid pectinase activity is more than 150,000 U/ml, with sodium carbonate the pH value of water is transferred to 9, makes enzymolysis liquid;
2. with enzymolysis liquid heating, make enzymolysis liquid temperature rise to 45 ℃～50 ℃;
3. calculate by weight,, oranges and tangerines lobe and enzymolysis liquid are placed the enzymolysis groove with enzymolysis liquid and 2: 1 ratio of oranges and tangerines lobe;
4. start compressed air and stir, air pressure is 0.2-0.4Mpa, and the stir process time is 25-35 minute;
5. after the oranges and tangerines lobe capsule clothing that detects by an unaided eye is removed substantially, the oranges and tangerines lobe is taken out, clean with the clear water rinsing, after manual sorting, tinning adds syrup, seals, and is the oranges and tangerines can after the sterilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138696 CN101803791A (en) | 2010-03-30 | 2010-03-30 | Method for removing segment membranes from citrus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138696 CN101803791A (en) | 2010-03-30 | 2010-03-30 | Method for removing segment membranes from citrus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101803791A true CN101803791A (en) | 2010-08-18 |
Family
ID=42605879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010138696 Pending CN101803791A (en) | 2010-03-30 | 2010-03-30 | Method for removing segment membranes from citrus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101803791A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584261A (en) * | 2012-08-17 | 2014-02-19 | 株式会社玛鲁哈日鲁食品 | Method of removing inner peel of citrus fruit |
| CN103932085A (en) * | 2014-04-14 | 2014-07-23 | 马建华 | Method for extracting grapefruit fibers |
| CN106615056A (en) * | 2017-01-11 | 2017-05-10 | 湖南双晟科技信息咨询有限公司 | Preparation method of orange cans |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000967A (en) * | 1989-04-19 | 1991-03-19 | Sunkist Growers, Inc. | Process for enzyme peeling of fresh citrus fruit |
| US5989615A (en) * | 1998-06-26 | 1999-11-23 | Bernard; Andre | Enzyme infusion process for preparing whole peeled citrus fruit |
| CN1943453A (en) * | 2006-11-01 | 2007-04-11 | 湖南省农产品加工研究所 | Method for removing orange skin by enzyme |
| CN101011181A (en) * | 2007-02-13 | 2007-08-08 | 湖南省农产品加工研究所 | Process for bacteria degradation of orange capsule clothes |
| CN101095554A (en) * | 2007-07-12 | 2008-01-02 | 湖南省农产品加工研究所 | Whole fruit enzymatic method for peeling coating of tangerine |
-
2010
- 2010-03-30 CN CN 201010138696 patent/CN101803791A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000967A (en) * | 1989-04-19 | 1991-03-19 | Sunkist Growers, Inc. | Process for enzyme peeling of fresh citrus fruit |
| US5989615A (en) * | 1998-06-26 | 1999-11-23 | Bernard; Andre | Enzyme infusion process for preparing whole peeled citrus fruit |
| CN1943453A (en) * | 2006-11-01 | 2007-04-11 | 湖南省农产品加工研究所 | Method for removing orange skin by enzyme |
| CN101011181A (en) * | 2007-02-13 | 2007-08-08 | 湖南省农产品加工研究所 | Process for bacteria degradation of orange capsule clothes |
| CN101095554A (en) * | 2007-07-12 | 2008-01-02 | 湖南省农产品加工研究所 | Whole fruit enzymatic method for peeling coating of tangerine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584261A (en) * | 2012-08-17 | 2014-02-19 | 株式会社玛鲁哈日鲁食品 | Method of removing inner peel of citrus fruit |
| CN103932085A (en) * | 2014-04-14 | 2014-07-23 | 马建华 | Method for extracting grapefruit fibers |
| CN106615056A (en) * | 2017-01-11 | 2017-05-10 | 湖南双晟科技信息咨询有限公司 | Preparation method of orange cans |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100818 |