CN102090588B - Method for detoxication of konjac and production of konjac chip - Google Patents

Method for detoxication of konjac and production of konjac chip Download PDF

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Publication number
CN102090588B
CN102090588B CN201010594366A CN201010594366A CN102090588B CN 102090588 B CN102090588 B CN 102090588B CN 201010594366 A CN201010594366 A CN 201010594366A CN 201010594366 A CN201010594366 A CN 201010594366A CN 102090588 B CN102090588 B CN 102090588B
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konjaku
konjac
minutes
section
water
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CN201010594366A
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CN102090588A (en
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向延树
黄兴国
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Hunan Yimeisen Biotechnology Co ltd
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HUNAN DAXIANGXI KONIAC CO Ltd
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Abstract

The invention discloses a method for the detoxication of konjac and the production of konjac chip, which comprises the steps of: soaking konjac slices respectively in color protecting liquid prepared from citric acid, sodium chloride and honey as well as in saturated limewater for 10 minutes to 2 hours, then soaking the konjac slices in clear water with the PH of 6.8 for 10 minutes to 2 hours, impregnating the konjac slices in impregnating solution prepared from 1 to 10% of white sugar, 0.1 to 4% of dextrin and water for 5 to 10 minutes, subjecting the konjac slices to edible oil vacuum dehydration treatment and finally removing residual edible oil by adopting centrifugal technology under vacuum environment to obtain the finished product. The process organically combines three technologies of konjac detoxication, vacuum impregnation and vacuum low-temperature embrittlement and oil removal, and takes raw konjac slice, which is seldom used in the domestic field, as main raw material. With the process innovatively creating new edible method of konjac, the konjac chip has the characteristics of instant eating and crisp taste, and simultaneously, effectively keeps the original color, nutrient structure and appearance of konjac.

Description

A kind of konjaku detoxification and the method for producing crisp of konjaku
Technical field
The present invention relates to food processing field, specifically, provide a kind of method of crisp of method and processing konjaku of konjaku detoxification.
Background technology
Konjaku is claimed " terrible taro " again, and the traditional Chinese medical science is claimed " SHENLIUGU ", and its property and flavor of peppery and cold is poisonous.Be the Araeceae herbaceos perennial, all there are a large amount of wild distributions and artificial growth in the province in area such as, south China Central-South in China, southwest, and its resource is very abundant.
In recent years research shows: konjaku is rich in several amino acids, and the gross protein value of stem tuber is 9. 7%, and 16 seed amino acid total contents are that 7.8%, 7 kind of essential amino acid total amount is 2.5%.Also contain trace elements such as magnesium, iron, calcium, potassium, sodium, manganese, copper in the stem tuber.
The konjaku total sugar content is 16.4%, and wherein the D-mannose accounts for 34.2% of total reducing sugar.Mannosan can be expanded capillary, and excited blood vessel brings high blood pressure down, and reduces cholesterol, is to suppress body fat, favourable ideal medicament of preventing and treating coronary heart disease.It is digested and assimilated slowly, can remove the refuse on the intestines wall, is the desirable low-heat low fat health food of overweight people and diabetes, constipation patient.
On the market, travelling trader is described as konjaku " intestines and stomach street cleaner ", " blood purification agent " abroad.Konjaku is listed as three megatrend of food industry with organizing food, phytoprotein food as dietary fiber food.
But konjaku contains alkaloid, as eats raw or the excess application, can cause poisoning.Its mechanism is paralysis respiratory center and motor center, and external application is corrosive to skin and mucous membrane.
Summary of the invention
The object of the invention just is to provide the method for a kind of konjaku konjaku detoxification and the method for producing crisp of konjaku.It adopts vacuum and low temperature embrittlement technical finesse, konjaku is dewatered under specific environment process crisp of konjaku, has to keep primary colors, original shape, former nutriment to destroy characteristics seldom.
For achieving the above object, embodiment of the present invention are: a kind of konjaku detoxification and the method for producing crisp of konjaku, it is characterized in that, and may further comprise the steps:
(1) konjaku that will clean after peeling cuts into strip, bulk or sheet, processes the konjaku section
(2) the konjaku section was soaked 10 minutes ~ 2 hours in colour protecting liquid, filter, the weight proportion of said each component of colour protecting liquid is: citric acid 0.1% ~ 10%, sodium chloride 0.1% ~ 10% and honey 0.1% ~ 10%, and all the other components are water;
(3) saturated limewater is put in the konjaku section and soaked 10 minutes ~ 2 hours, filter, discard limewash, method handles twice like this, filters;
(4) above-mentioned konjaku section is immersed in the clear water, adds appropriate hydrochloric acid and transfers PH=6.8, soaks 10 minutes ~ 2 hours, filters, and uses a large amount of flushing with clean water to free from extraneous odour then;
(5) under the normal temperature vacuum environment, will be immersed in the maceration extract that is mixed with by 1% ~ 10% white sugar, 0.1% ~ 4% dextrin and water through pretreated konjaku and soak 5 ~ 10 minutes;
(6) will be through vacuum-impregnated konjaku section at 0.08MP, vacuum dehydration is handled under 100 ℃ of edible oil environment, makes to slough the moisture content more than 98% in the section of mill taro;
(7) under vacuum environment, adopt centrifugation technique to remove remaining edible oil after the above-mentioned PROCESS FOR TREATMENT, specification is on demand packed.
In the step (2), the optimum weight proportion of said each component of colour protecting liquid is: citric acid 0.1%, sodium chloride 2% and honey 2%, all the other components are water.
This technology organically combines konjaku detoxification, vacuum impregnation and vacuum and low temperature embrittlement and three kinds of technology of de-oiling, and processes primary raw material with former conduct of konjaku that seldom use in domestic this field.This process innovation the eating method of konjaku, have can eat immediately, characteristics that mouthfeel is crisp.The primary colors, former trophic structure, the former form that effectively keep the mill taro simultaneously.
The specific embodiment
Embodiment 1:
Konjaku detoxification and the method for producing crisp of konjaku, concrete steps are:
1, section: the konjaku that will clean after peeling cuts into strip, bulk or sheet
2, preliminary treatment: comprise and protect look, detoxification, neutralisation treatment.
2.1 protect look: the konjaku section was soaked 10 minutes ~ 2 hours in colour protecting liquid, filter, the weight proportion of said each component of colour protecting liquid is: citric acid 0.1% ~ 10%, sodium chloride 0.1% ~ 10% and honey 0.1% ~ 10%, and all the other components are water;
2.2 detoxification: saturated limewater is put in above-mentioned section soaked 10 minutes ~ 2 hours, filter, discard limewash.Method handles twice like this, filters.Purpose: konjaku contains large number of biological alkali, and mild toxicity is arranged.Use this technology that the alkaloid in the konjaku is dissolved out.
2.3 neutralization: above-mentioned section is immersed in the clear water, adds appropriate hydrochloric acid, transfers PH=6.8, soaks filtration in 10 minutes ~ 2 hours.Use a large amount of flushing with clean water to free from extraneous odour then.
3, vacuum impregnation: under the normal temperature vacuum environment, will be immersed in that white sugar concentration is 1% ~ 10%, dextrin concentration is to soak 5 ~ 10 minutes in 0.1% ~ 4% maceration extract that is mixed with through pretreated dried mushroom.
4, vacuum low temperature dewatering: will be through vacuum-impregnated konjaku section at 0.08MP, vacuum dehydration is handled under 100 ℃ of edible oil environment, makes to slough the moisture content more than 98% in the section of mill taro.
5, vacuum and low temperature de-oiling: under vacuum environment, adopt centrifugation technique to remove remaining edible oil after the above-mentioned PROCESS FOR TREATMENT.
6, packing.Specification is on demand packed.
Embodiment 2:
The weight proportion of each component of colour protecting liquid is: citric acid 0.1%, sodium chloride 2% and honey 2%, all the other components are water.
Other step is identical with embodiment 1.

Claims (2)

1. the konjaku detoxification and the method for producing crisp of konjaku is characterized in that, may further comprise the steps:
(1) konjaku that will clean after peeling cuts into strip, bulk or sheet, processes the konjaku section;
(2) the konjaku section was soaked 10 minutes ~ 2 hours in colour protecting liquid, filter, the weight proportion of said each component of colour protecting liquid is: citric acid 0.1% ~ 10%, sodium chloride 0.1% ~ 10% and honey 0.1% ~ 10%, and all the other components are water;
(3) saturated limewater is put in the konjaku section and soaked 10 minutes ~ 2 hours, filter, discard limewash, method handles twice like this, filters;
(4) above-mentioned konjaku section is immersed in the clear water, adds appropriate hydrochloric acid and transfers pH=6.8, soaks 10 minutes ~ 2 hours, filters, and uses a large amount of flushing with clean water to free from extraneous odour then;
(5) under the normal temperature vacuum environment, will be immersed in the maceration extract that is mixed with by 1% ~ 10% white sugar, 0.1% ~ 4% dextrin and water through pretreated konjaku and soak 5 ~ 10 minutes;
(6) will be through vacuum-impregnated konjaku section at 0.08MPa, vacuum dehydration is handled under 100 ℃ of edible oil environment, makes to slough the moisture content more than 98% in the konjaku section;
(7) under vacuum environment, adopt centrifugation technique to remove remaining edible oil after the above-mentioned PROCESS FOR TREATMENT, specification is on demand packed.
2. konjaku detoxification according to claim 1 and the method for producing crisp of konjaku is characterized in that in the step (2), the optimum weight proportion of said each component of colour protecting liquid is: citric acid 0.1%, sodium chloride 2% and honey 2%, all the other components are water.
CN201010594366A 2010-12-20 2010-12-20 Method for detoxication of konjac and production of konjac chip Expired - Fee Related CN102090588B (en)

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CN104642966A (en) * 2015-03-17 2015-05-27 武俐宏 Using and preparation methods of konjak vitamin powder
CN104725525B (en) * 2015-04-15 2017-04-26 张足 Konjac glue preparation method
CN107637751A (en) * 2016-07-22 2018-01-30 阮华桂 A kind of method that brown stain is prevented in slice food made from Amorphophallus rivieri process
CN107495213A (en) * 2017-09-18 2017-12-22 浙江万里学院 A kind of processing method of instant taro crisp chip
CN108740700A (en) * 2018-03-30 2018-11-06 湖北茂顺农产品有限公司 A kind of fresh Amorphophallus rivieri poison-removing method

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CN101797032A (en) * 2010-02-10 2010-08-11 浙江大学 Method for frying purple yam under vacuum condition

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CN101669605A (en) * 2009-10-13 2010-03-17 哈尔滨达紫香科技发展有限公司 Process for freezing and frying fruit slices in vacuum
CN101797032A (en) * 2010-02-10 2010-08-11 浙江大学 Method for frying purple yam under vacuum condition

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Address before: 427100 second floor, yuansangzhi tobacco factory, Changzheng Road, Liyuan Town, Sangzhi County, Zhangjiajie City, Hunan Province

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