CN109329819A - A kind of selenium-rich taro lotus stem local flavor pickled vegetable and preparation method thereof - Google Patents

A kind of selenium-rich taro lotus stem local flavor pickled vegetable and preparation method thereof Download PDF

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Publication number
CN109329819A
CN109329819A CN201811479426.4A CN201811479426A CN109329819A CN 109329819 A CN109329819 A CN 109329819A CN 201811479426 A CN201811479426 A CN 201811479426A CN 109329819 A CN109329819 A CN 109329819A
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lotus stem
parts
taro lotus
selenium
preparation
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罗兴武
徐平
方世红
刘信平
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Hubei Luanyu Food Co Ltd
Hubei University for Nationalities
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Hubei Luanyu Food Co Ltd
Hubei University for Nationalities
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L19/00Products from fruits or vegetables; Preparation or treatment thereof
    • A23L19/20Products from fruits or vegetables; Preparation or treatment thereof by pickling, e.g. sauerkraut or pickles
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Mycology (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

The present invention provides a kind of selenium-rich taro lotus stem local flavor pickled vegetables and preparation method thereof.The preparation method of selenium-rich taro lotus stem local flavor pickled vegetable of the invention, comprising the following steps: 1) take taro lotus stem to cut segment, cooling drains after heat treatment;2) seasoning is added in the segment taro lotus stem after step 1) heat treatment, is uniformly mixed post-fermentation;3) food additives are added in the taro lotus stem after step 2) fermentation, are uniformly mixed, obtain the selenium-rich taro lotus stem local flavor pickled vegetable.Preparation method of the invention, processing front and back is small to the loss of selenium in taro lotus stem, selenium-rich taro lotus stem local flavor pickled vegetable obtained is without numb mouth astringent taste, it is bright in colour, it is with rich flavor, it is fresh and crisp, contain a large amount of organic seleniums simultaneously, have effects that delay senescence, improve immunity, effectively extends the storage time of taro lotus stem pickles.

Description

A kind of selenium-rich taro lotus stem local flavor pickled vegetable and preparation method thereof
Technical field
The invention belongs to pickles technical field, it is related to a kind of selenium-rich taro lotus stem local flavor pickled vegetable and preparation method thereof, especially relates to And a kind of taro lotus stem local flavor pickled vegetable and preparation method thereof of selenium-rich without numb mouth astringent taste.
Background technique
There are about 2/3 areas to belong to selenium deficiency area in China, wherein about 1/3 belongs to serious selenium deficiency area.And bestowing favour, selenium Resource relative abundance and concentration, belong to Se-rich rice, are known as " the first in the world natural selenium-rich biosphere ", are also global unique acquisitions The city of " world's selenium is all " title.
Selenium is a kind of the essential trace elements of the human body, and organic selenium, which has, to delay senescence, is anti-radiation etc., to cardiovascular disease, Cirrhosis, diabetes, hypertension, hepatitis etc. have preventive and therapeutic effect.Because of selenium element rareness, be otherwise known as rare element.Human body cannot Selenium is synthesized, and does not have the ability of long term storage selenium.Therefore, selenium is absorbed from food becomes the first choice of public selenium-supply.
Taro lotus stem nutriment beneficial to human body containing there are many, is excellent dietary fiber resource.In China, taro lotus stem Yield is big, but because it is with irritation fiber crops mouth astringent taste, and only a small amount of for eating, a large amount of taro lotus stem abandoned not only wastes Resource and pollution environment.So taro lotus stem processing technology need to be studied, make its increment, with reach economize on resources, waste recycle Purpose, also the processing and utilization for taro lotus stem develops new field.
CN102349635B discloses a kind of processing method of harsh-taste-free taro leaf stalk pickle, is to take the growth time to be 10~20 days fresh taro petioles, clean up, are cut into segment;And it is by a certain percentage that lactic acid bacteria fermenting agent and salt is molten Solution stirs evenly in drinking water;Fresh taro petiole segment is immersed in the lysate again, seals, is given birth at normal temperature Material fermentation;The taro petiole segment fermented is finally taken out vacuum sealed package, sterilization and cooling to form.This method uses Raw material anaerobic respiration and the taro petiole pickles of lactic acid bacteria anaerobic fermentation theory production are without numb taste, and flavor is dense, and quality is tender and crisp, It is easy to long term storage.But the Se content of taro petiole pickles made from the invention is without reference to flavor taste needs further It improves.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of selenium-rich taro lotus stem local flavor pickled vegetable and its preparations Method, for selenium-rich taro lotus stem local flavor pickled vegetable obtained without numb mouth astringent taste, lovely luster is with rich flavor, fresh and crisp, simultaneously containing big Organic selenium is measured, has effects that delay senescence, improve immunity.
The purpose of the present invention is to provide a kind of preparation methods of selenium-rich taro lotus stem local flavor pickled vegetable, for this purpose, this hair It is bright to use following technical scheme:
The preparation method of selenium-rich taro lotus stem local flavor pickled vegetable of the invention, comprising the following steps:
1) taro lotus stem is taken to cut segment, cooling drains after heat treatment;
2) seasoning is added in the segment taro lotus stem after step 1) heat treatment, is uniformly mixed post-fermentation;
3) food additives are added in the taro lotus stem after step 2) fermentation, are uniformly mixed, obtain the selenium-rich taro lotus stem Local flavor pickled vegetable.
The preparation method of selenium-rich taro lotus stem local flavor pickled vegetable of the invention, heat treatment destroy the institutional framework of taro lotus stem, make Cellular content is precipitated, and so that microorganism is can make full use of the more volatilization esters of generation, can also kill micro- life on taro lotus stem surface Object reduces enzymes activity, to prevent brown stain and inhibit lignification, plays the role of color protection, keeps brittleness and mouthfeel;Add Entering seasoning fermentation, the lactic acid and other materials of generation are conducive to the flavor for promoting pickles, in the lactic acid of generation and alkaloid, Numb taste is set to disappear;Food additives are added, can inhibit the fermentation of late lactic bacterium, to control the acidity of pickles, improve bubble The taste and flavor of dish, prevented also from the pollution of miscellaneous bacteria.Compared with traditional handicraft, selenium-rich taro lotus stem local flavor pickled vegetable of the invention Preparation method, the taro lotus stem pickles of production are rich in selenium, and processing front and back is small to the loss of taro lotus stem raw material selenium, with storage time Extension color, flavor and in terms of preferably.
In step 1), the fresh taro lotus stem is cut into the uniform segment that length is 1~2cm.
Preferably, in step 1), the heat treatment is that the taro lotus stem segment that will be segmented is put into heat in 90~100 DEG C of water Scald 2~10min.The ester that volatilizees is flavor substance important in pickled products, and the important indicator of reflection pickles.Blanching treatment is broken It is broken the institutional framework of taro lotus stem, cellular content is precipitated, and so that microorganism is can make full use of the more volatilization esters of generation, may be used also The microorganism on taro lotus stem surface is killed, enzymes activity is reduced, to prevent brown stain and inhibit lignification, color protection is played, protects Hold the effect of brittleness and mouthfeel.
Taro lotus stem nutriment beneficial to human body containing there are many, is excellent dietary fiber resource, but because it has thorn Swash property fiber crops mouth astringent taste and abandoned.Needle-like calcium oxalate crystal be taro lotus stem one of main pungent component, have it is heat-resisting, be not readily dissolved in The content of the characteristics such as water, needle-like calcium oxalate crystal is bigger, and numb mouth astringent taste irritation is more obvious, and uses the strong acid of certain pH range, highly basic Processing, amount of crystals sharply declines, and the irritation of taro lotus stem obviously weakens or disappears, and can provide strong acid environment by pickling and makes taro Lotus stem astringent taste, which weakens, even to disappear.
In the present invention, the taro lotus stem is selenium-rich taro lotus stem;Preferably, total Se content of the selenium-rich taro lotus stem be 35~ 60 μ g/100g, such as total Se content of the selenium-rich taro lotus stem is 35 μ g/100g, 40 μ g/100g, 45 μ g/100g, 50 μ g/ 100g、55μg/100g、60μg/100g。
In step 2), the seasoning includes garlic, salt, white granulated sugar, white wine and pimiento.
Preferably, by weight, the content of the taro lotus stem is 300~500 parts, and the content of the garlic is 3~5 parts, The content of the salt is 9~15 parts, and the content of the white granulated sugar is 3~10 parts, and the content of the white wine is 3~5 parts, described The content of pimiento is 6~10 parts.
Specifically, a kind of selenium-rich taro lotus stem local flavor pickled vegetable of the invention, by weight, including following components:
300~500 parts of taro lotus stem, for example, taro lotus stem parts by weight be 300 parts, 310 parts, 320 parts, 330 parts, 340 parts, 350 parts, 360 parts, 370 parts, 380 parts, 390 parts, 400 parts, 410 parts, 420 parts, 430 parts, 440 parts, 450 parts, 460 parts, 470 Part, 480 parts, 490 parts, 500 parts.
3~5 parts of garlic, such as the parts by weight of garlic are 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts.
9~15 parts of salt, such as the parts by weight of salt are 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts.
3~10 parts of white granulated sugar, such as the parts by weight of white granulated sugar are 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts.
3~5 parts of white wine, such as the parts by weight of white wine are 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts.
6~10 parts of pimiento, such as the parts by weight of pimiento are 6 parts, 7 parts, 8 parts, 9 parts, 10 parts.
The present invention is added garlic, salt, white granulated sugar, white wine and pimiento and ferments using taro lotus stem as raw material, makes obtained Pickles are rich in selenium without numb mouth astringent taste, and the present invention keeps pickles obtained puckery without numb mouth by the composition and dosage of adjusting each component It is taste, lovely luster, with rich flavor, fresh and crisp.
In the present invention, the alcoholic strength of the white wine is 58~60 °, such as the alcoholic strength of white wine is 58 °, 59 °, 60 °.
For pickle fermentation based on lactic fermentation, lactic acid bacteria generates ester using nutritional ingredients such as carbohydrate, protein, organic acids The control of the flavor substances such as class, aldehydes, ketone, organic acid, fermentation temperature and fermentation time determines the flavor and mouth of pickles Sense.Preferably, in step 2), the fermentation is that material after mixing is filled altar, compacting, sealing, in 20~40 DEG C of temperature Degree lower fermentation 4~6 days, such as the temperature of fermentation is 20,21 DEG C, 22 DEG C, 23 DEG C, 24 DEG C, 25 DEG C, 26 DEG C, 27 DEG C, 28 DEG C, 29 ℃,30℃,31℃,32℃,33℃,34℃,35℃,36℃,37℃,38℃,39℃,40℃;The time of fermentation is 4 days, 5 It, 6 days.
In step 3), the food additives include preservative;Preferably, the preservative is potassium sorbate;
Preferably, the parts by weight of the preservative are 0.03~0.5 part, such as the parts by weight of the preservative are 0.03 Part, 0.04 part, 0.05 part, 0.06 part, 0.07 part, 0.08 part, 0.09 part, 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part, 0.5 part.It is highly preferred that being the weight of the preservative in terms of 100 parts by the parts by weight of taro lotus stem Part is 0.01~0.1 part, such as the parts by weight of preservative are 0.01 part, 0.02 part, 0.03 part, 0.04 part, 0.05 part, 0.06 Part, 0.07 part, 0.08 part, 0.09 part, 0.1 part.
It is further preferred that be in terms of 100 parts by the parts by weight of taro lotus stem, the parts by weight of the preservative are 0.06~ 0.067 part, such as the parts by weight of preservative are 0.06,0.061,0.062,0.063,0.064,0.065,0.066,0.067.
In the present invention, in step 3), the food additives also include flavor agent;Preferably, the flavor agent is in for 5'- Flavor nucleotide disodium;It is highly preferred that the parts by weight of the flavor agent are 0.003~0.02 part, for example, the parts by weight of flavor agent are 0.003 part, 0.004 part, 0.005 part, 0.006 part, 0.007 part, 0.008 part, 0.009 part, 0.01 part, 0.011 part, 0.012 Part, 0.013 part, 0.014 part, 0.015 part, 0.016 part, 0.017 part, 0.018 part, 0.019 part, 0.02 part;Further preferably Ground, in step 3), the parts by weight of the flavor agent are 0.006~0.015 part, for example, the parts by weight of flavor agent be 0.006 part, 0.007 part, 0.008 part, 0.009 part, 0.01 part, 0.011 part, 0.012 part, 0.013 part, 0.014 part, 0.015 part.
More specifically, being in terms of 100 parts by the parts by weight of taro lotus stem, the parts by weight of the flavor agent are 0.002~0.003 Part, for example, flavor agent parts by weight be 0.002 part, 0.0021 part, 0.0022 part, 0.0023 part, 0.0024 part, 0.0025 part, 0.0026 part, 0.0027 part, 0.0028 part, 0.0029 part, 0.003 part.
The dosage and the control of addition time of preservative and flavor agent, determine taste and the holding time of pickles.Step 3) in, preservative is added in due course can inhibit the fermentation of late lactic bacterium, so that the acidity of pickles is controlled, prevented also from the dirt of miscellaneous bacteria Dye;Flavor agent, which is added, can promote the delicate flavour of product.
As a preferred solution of the present invention, the selenium-rich taro lotus stem local flavor pickled vegetable preparation method the following steps are included:
1) taking total Se content is the fresh taro lotus stem of 35~60 μ g/100g, is cleaned up, is drained away the water with cold boiling water, cut The uniform segment for being 1~2cm at length is put into 90~100 DEG C of water after 2~10min of blanching cooling with cold boiling water immediately, drip It is dry;
2) 300~500 parts of segment taro lotus stem, 3~5 parts of garlic, salt 9 after by weight, weighing step 1) heat treatment ~15 parts, 3~10 parts of white granulated sugar, 3~5 parts of white wine, 6~10 parts of pimiento fill altar, compacting, sealing after mixing, 20~ It ferments 4~6 days at a temperature of 40 DEG C;
3) in the taro lotus stem that step 2) ferments, 0.03~0.5 part of preservative and flavor agent 0.003~0.02 is added Part, it is uniformly mixed, obtains the selenium-rich taro lotus stem local flavor pickled vegetable.
The second object of the present invention is to provide selenium-rich taro lotus stem wind made from preparation method described in a kind of first purpose Taste pickles.
Compared with prior art, the invention has the benefit that
(1) preparation method of selenium-rich taro lotus stem local flavor pickled vegetable of the invention, processing front and back is small to the loss of selenium in taro lotus stem, The storage time of taro lotus stem pickles is effectively extended, and without astringent taste, quality is tender and crisp;Selenium-rich taro lotus stem local flavor pickled vegetable obtained, Se content is high, and total Se content has anti-aging, radiation protection, raising resistance etc. are beneficial to make in 30~55 μ g/100g in product With;The content of needle-like calcium oxalate crystal is 0.46% hereinafter, without astringent taste;The content of volatilization ester is 0.363~0.462%, 4- hexenoic acid Content be 19.5~19.9%, the content of benzaldehyde is 4.3~4.6%, also contains micro methyl n-undecyl ketone, citric acid Deng;The storage time of selenium-rich taro lotus stem local flavor pickled vegetable obtained is long, is 180 days.
(2) selenium-rich produced by the present invention can supplement the trace elements of selenium member of needed by human body without the taro lotus stem pickles of numb mouth astringent taste Element achievees the effect that improve body.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.
Unless specific instructions, various raw materials of the invention are commercially available buys, or is prepared according to the conventional method of this field It obtains.
Embodiment 1
Fresh intact selenium-rich taro lotus stem is taken, the Se content of selenium-rich taro lotus stem is 50 μ g/100g, it is cleaned up with cold boiling water, It is cut into the uniform segment of 1-2cm, is put into blanching 5min in 95 DEG C of water, it is cooling with cold boiling water immediately later, it drains.
It takes garlic 3g, salt 12g, white granulated sugar 8g, white wine 3g, pimiento 6g to be added in 300g taro lotus stem, fills after mixing Altar is fermented 5 days at room temperature until numb mouth astringent taste disappears, and brittleness is suitable for, without soft rotten phenomenon.The taro lotus stem fermented is taken out 100g is fitted into plastic vacuum bag, adds 0.063g potassium sorbate and 0.002g5'- the sapidity nucleotide disodium, is mixed, discharge Air in bag, is sealed with sealing machine.
It is bright in colour without numb mouth astringent taste for this processing method is compared with traditional handicraft with the extension of storage time, quality It is tender and crisp.Through detecting, in selenium-rich taro lotus stem local flavor pickled vegetable obtained, Se content is 46 μ g/100g, the content of needle-like calcium oxalate crystal by 2.88% becomes 0.42%, and the content that volatilization ester content reaches 0.389%, 4- hexenoic acid is 19.7%, and the content of benzaldehyde is 4.5%, also containing micro methyl n-undecyl ketone, citric acid etc., pure flavor is strong tasty and refreshing, and storage time is 180 days.
Embodiment 2
Fresh intact selenium-rich taro lotus stem is taken, the Se content of selenium-rich taro lotus stem is 45 μ g/100g, it is cleaned up with cold boiling water, It is cut into the uniform segment of 1-2cm, is put into blanching 5min in 95 DEG C of water, it is cooling with cold boiling water immediately later, it drains.
It takes garlic 4g, salt 9g, white granulated sugar 10g, white wine 5g, pimiento 10g to be added in 500g taro lotus stem, fills after mixing Altar is fermented 6 days at room temperature until numb mouth astringent taste disappears, and brittleness is suitable for, without soft rotten phenomenon.The taro lotus stem fermented is taken out 100g is fitted into plastic vacuum bag, adds 0.067g potassium sorbate and 0.0025g5'- the sapidity nucleotide disodium, is mixed, row Air in output, is sealed with sealing machine.
It is bright in colour without numb mouth astringent taste for this processing method is compared with traditional handicraft with the extension of storage time, quality It is tender and crisp.Through detecting, in selenium-rich taro lotus stem local flavor pickled vegetable obtained, Se content is 40 μ g/100g, the content of needle-like calcium oxalate crystal by 2.91% becomes 0.44%, and the content that volatilization ester content reaches 0.462%, 4- hexenoic acid is 19.9%, and the content of benzaldehyde is 4.6%, also containing micro methyl n-undecyl ketone, citric acid etc., pure flavor is strong tasty and refreshing, and storage time is 180 days.
Embodiment 3
Fresh intact selenium-rich taro lotus stem is taken, the Se content of selenium-rich taro lotus stem is 60 μ g/100g, it is cleaned up with cold boiling water, It is cut into the uniform segment of 1-2cm, is put into blanching 5min in 95 DEG C of water, it is cooling with cold boiling water immediately later, it drains.
It takes garlic 5g, salt 15g, white granulated sugar 6g, white wine 4g, pimiento 8g to be added in 400g taro lotus stem, fills after mixing Altar is fermented 4 days at room temperature until numb mouth astringent taste disappears, and brittleness is suitable for, without soft rotten phenomenon.The taro lotus stem fermented is taken out 100g is fitted into plastic vacuum bag, adds 0.067g potassium sorbate and 0.003g5'- the sapidity nucleotide disodium, is mixed, discharge Air in bag, is sealed with sealing machine.
It is bright in colour without numb mouth astringent taste for this processing method is compared with traditional handicraft with the extension of storage time, quality It is tender and crisp.Through detecting, in selenium-rich taro lotus stem local flavor pickled vegetable obtained, Se content is 55 μ g/100g, the content of needle-like calcium oxalate crystal by 2.86% becomes 0.40%, and the content that volatilization ester content reaches 0.363%, 4- hexenoic acid is 19.5%, and the content of benzaldehyde is 4.3%, also containing micro methyl n-undecyl ketone, citric acid etc., pure flavor is strong tasty and refreshing, and storage time is 180 days.
Embodiment 4
Fresh intact selenium-rich taro lotus stem is taken, the Se content of selenium-rich taro lotus stem is 60 μ g/100g, it is cleaned up with cold boiling water, It is cut into the uniform segment of 1-2cm, is put into blanching 10min in 90 DEG C of water, it is cooling with cold boiling water immediately later, it drains.
It takes garlic 4g, salt 10g, white granulated sugar 6g, white wine 5g, pimiento 10g to be added in 400g taro lotus stem, fills after mixing Altar is fermented 5 days at room temperature until numb mouth astringent taste disappears, and brittleness is suitable for, without soft rotten phenomenon.The taro lotus stem fermented is taken out 100g is fitted into plastic vacuum bag, adds 0.065g potassium sorbate and 0.002g5'- the sapidity nucleotide disodium, is mixed, discharge Air in bag, is sealed with sealing machine.
It is bright in colour without numb mouth astringent taste for this processing method is compared with traditional handicraft with the extension of storage time, quality It is tender and crisp.Through detecting, in selenium-rich taro lotus stem local flavor pickled vegetable obtained, Se content is 53 μ g/100g, the content of needle-like calcium oxalate crystal by 2.91% becomes 0.46%, and the content that volatilization ester content reaches 0.415%, 4- hexenoic acid is 19.6%, and the content of benzaldehyde is 4.4%, also containing micro methyl n-undecyl ketone, citric acid etc., pure flavor is strong tasty and refreshing, and storage time is 180 days.
Embodiment 5
Fresh intact selenium-rich taro lotus stem is taken, the Se content of selenium-rich taro lotus stem is 55 μ g/100g, it is cleaned up with cold boiling water, It is cut into the uniform segment of 1-2cm, is put into blanching 4min in 95 DEG C of water, it is cooling with cold boiling water immediately later, it drains.
Garlic 5g, salt 15g, white granulated sugar 10g, white wine 5g, pimiento 10g is taken to be added in 500g taro lotus stem, after mixing Altar is filled, is fermented 6 days at room temperature until numb mouth astringent taste disappears, brittleness is suitable for, without soft rotten phenomenon.The taro lotus stem fermented is taken out 100g is fitted into plastic vacuum bag, adds 0.1g potassium sorbate and 0.004g5'- the sapidity nucleotide disodium, is mixed, and bag is discharged Middle air, is sealed with sealing machine.
It is bright in colour without numb mouth astringent taste for this processing method is compared with traditional handicraft with the extension of storage time, quality It is tender and crisp.Through detecting, in selenium-rich taro lotus stem local flavor pickled vegetable obtained, Se content is 49 μ g/100g, the content of needle-like calcium oxalate crystal by 2.84% becomes 0.44%, and the content that volatilization ester content reaches 0.458%, 4- hexenoic acid is 19.7%, and the content of benzaldehyde is 4.5%, also containing micro methyl n-undecyl ketone, citric acid etc., pure flavor is strong tasty and refreshing, and storage time is 180 days.
Comparative example 1
It is that the dosage of raw material is different in place of this comparative example and the difference for implementing 1, by weight, including following components:
Further include preservative and flavor agent, is in terms of 100 parts by the parts by weight of taro lotus stem, the parts by weight of the preservative are 0.03 part, the parts by weight of flavor agent are 0.001 part, and the preparation method of the pickles of the comparative example is identical as embodiment 1.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 55 μ g/100g, needle-like calcium oxalate crystal Content becomes 1.81% from 2.93%, and the content that volatilization ester content reaches 0.176%, 4- hexenoic acid is 9.8%, and benzaldehyde contains Amount is 1.8%, and storage time is 50 days.
Comparative example 2
This comparative example with implement to be in place of 1 difference, do not contain preservative and flavor agent, the step of preparation method with It is all the same to implement 1.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 47 μ g/100g, needle-like calcium oxalate crystal Content becomes 0.39% from 2.87%, and the content that volatilization ester content reaches 0.321%, 4- hexenoic acid is 16.8%, benzaldehyde Content is 3.7%, and storage time is 60 days.
Comparative example 3
The raw material of this comparative example is identical as embodiment 1, is with the difference place for implementing 1, without heat in preparation method Processing is scalded, other steps and implementation 1 are all the same.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 49 μ g/100g, needle-like calcium oxalate crystal Content becomes 0.79% from 2.91%, and the content that volatilization ester content reaches 0.421%, 4- hexenoic acid is 19.2%, benzaldehyde Content is 4.2%, and storage time is 180 days.
Comparative example 4
The raw material of this comparative example is identical as embodiment 1, is with the difference place for implementing 1, ferments in preparation method Time is 1 day, other steps and implementation 1 are all the same.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 45 μ g/100g, needle-like calcium oxalate crystal Content becomes 2.49% from 2.97%, and the content that volatilization ester content reaches 0.169%, 4- hexenoic acid is 8.7%, and benzaldehyde contains Amount is 1.5%, and storage time is 150 days.
Comparative example 5
The raw material of this comparative example is identical as embodiment 1, is with the difference place for implementing 1, ferments in preparation method Time is 10 days, other steps and implementation 1 are all the same.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 45 μ g/100g, needle-like calcium oxalate crystal Content becomes 0.35% from 2.88%, and the content that volatilization ester content reaches 0.304%, 4- hexenoic acid is 14.9%, benzaldehyde Content is 1.7%, and storage time is 150 days.
Comparative example 6
The raw material of this comparative example is identical as embodiment 1, is with the difference place for implementing 1, preservative in preparation method It with flavor agent is added simultaneously with taro lotus stem, garlic, salt, white granulated sugar, white wine and pimiento, other steps and implementation 1 are homogeneous Together.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 46 μ g/100g, needle-like calcium oxalate crystal Content becomes 2.69% from 2.89%, and the content that volatilization ester content reaches 0.105%, 4- hexenoic acid is 6.8%, and benzaldehyde contains Amount is 1.7%, and storage time is 150 days.
Comparative example 7
This comparative example is that the preservative is dehydroactic acid sodium, other steps and implementation 1 with the difference place for implementing 1 It is all the same.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 48 μ g/100g, needle-like calcium oxalate crystal Content becomes 0.41% from 2.91%, and the content that volatilization ester content reaches 0.403%, 4- hexenoic acid is 19.6%, benzaldehyde Content is 4.3%, and storage time is 150 days.
Comparative example 8
This comparative example is that the flavor agent is monosodium glutamate with the difference place for implementing 1, other steps and implementation 1 are all the same.
Through detecting, in taro lotus stem local flavor pickled vegetable made from this comparative example, Se content is 49 μ g/100g, needle-like calcium oxalate crystal Content becomes 0.38% from 2.93%, and the content that volatilization ester content reaches 0.367%, 4- hexenoic acid is 17.9%, benzaldehyde Content is 4%, and storage time is 180 days.
Detailed process equipment and process flow of the invention that the present invention is explained by the above embodiments, but the present invention is not It is confined to above-mentioned detailed process equipment and process flow, that is, does not mean that the present invention must rely on above-mentioned detailed process equipment and work Skill process could be implemented.It should be clear to those skilled in the art, any improvement in the present invention, to product of the present invention The equivalence replacement of each raw material and addition, the selection of concrete mode of auxiliary element etc., all fall within protection scope of the present invention and public affairs Within the scope of opening.

Claims (10)

1. a kind of preparation method of selenium-rich taro lotus stem local flavor pickled vegetable, which is characterized in that the preparation method comprises the following steps:
1) taro lotus stem is taken to cut segment, cooling drains after heat treatment;
2) seasoning is added in the segment taro lotus stem after step 1) heat treatment, is uniformly mixed post-fermentation;
3) food additives are added in the taro lotus stem after step 2) fermentation, are uniformly mixed, obtain the selenium-rich taro lotus stem flavor Pickles.
2. preparation method according to claim 1, which is characterized in that in step 1), the segment of cutting is by fresh taro lotus Stalk is cut into the uniform segment that length is 1~2cm;
Preferably, in step 1), the heat treatment is that the taro lotus stem segment that will be segmented is put into blanching 2 in 90~100 DEG C of water ~10min.
3. preparation method according to claim 1 or 2, which is characterized in that the taro lotus stem is selenium-rich taro lotus stem;
Preferably, total Se content of the selenium-rich taro lotus stem is 35~60 μ g/100g.
4. preparation method described in one of -3 according to claim 1, which is characterized in that in step 2), the seasoning include garlic, Salt, white granulated sugar, white wine and pimiento;
Preferably, by weight, the content of the taro lotus stem is 300~500 parts, and the content of the garlic is 3~5 parts, described The content of salt is 9~15 parts, and the content of the white granulated sugar is 3~10 parts, and the content of the white wine is 3~5 parts, described red peppery The content of green pepper is 6~10 parts;
Preferably, the alcoholic strength of the white wine is 58~60 °.
5. preparation method described in one of -4 according to claim 1, which is characterized in that in step 2), the fermentation is will to mix Uniformly after material fill altar, compacting, sealing, 20~40 DEG C at a temperature of ferment 4~6 days.
6. preparation method described in one of -5 according to claim 1, which is characterized in that in step 3), the food additives packet Containing preservative;
Preferably, the preservative is potassium sorbate;
Preferably, the parts by weight of the preservative are 0.03~0.5 part.
7. preparation method described in one of -6 according to claim 1, which is characterized in that in step 3), the weight of the preservative Part is 0.18~0.35 part.
8. preparation method described in one of -7 according to claim 1, which is characterized in that in step 3), the food additives are also Include flavor agent;
Preferably, the flavor agent is 5'- the sapidity nucleotide disodium;
Preferably, the parts by weight of the flavor agent are 0.003~0.02 part;
Preferably, in step 3), the parts by weight of the flavor agent are 0.006~0.015 part.
9. preparation method described in one of -8 according to claim 1, which is characterized in that the preparation method comprises the following steps:
1) taking total Se content is the fresh taro lotus stem of 35~60 μ g/100g, is cleaned up, is drained away the water with cold boiling water, is cut into length Degree is the uniform segment of 1~2cm, is put into 90~100 DEG C of water after 2~10min of blanching immediately with cold boiling water cooling, drains;
2) 300~500 parts of segment taro lotus stem, 3~5 parts of garlic, salt 9~15 after by weight, weighing step 1) heat treatment Part, 3~10 parts of white granulated sugar, 3~5 parts of white wine, 6~10 parts of pimiento fill altar, compacting, sealing, at 20~40 DEG C after mixing At a temperature of ferment 4~6 days;
3) in the taro lotus stem that step 2) ferments, it is added 0.03~0.5 part and 0.003~0.02 part of flavor agent of preservative, is mixed It closes uniformly, obtains the selenium-rich taro lotus stem local flavor pickled vegetable.
10. a kind of selenium-rich taro lotus stem local flavor pickled vegetable that preparation method as claimed in one of claims 1 to 9 is prepared.
CN201811479426.4A 2018-12-05 2018-12-05 A kind of selenium-rich taro lotus stem local flavor pickled vegetable and preparation method thereof Pending CN109329819A (en)

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