CN108669484A - A kind of preparation method of pearl Lee's dried fruit with aroma - Google Patents

A kind of preparation method of pearl Lee's dried fruit with aroma Download PDF

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Publication number
CN108669484A
CN108669484A CN201810269633.0A CN201810269633A CN108669484A CN 108669484 A CN108669484 A CN 108669484A CN 201810269633 A CN201810269633 A CN 201810269633A CN 108669484 A CN108669484 A CN 108669484A
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China
Prior art keywords
dried fruit
pearl lee
aroma
fruit
fermentation
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CN201810269633.0A
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CN108669484B (en
Inventor
何雪梅
孙健
郑凤锦
刘国明
唐雅园
李志春
辛明
盛金凤
李丽
李昌宝
李杰民
零东宁
周主贵
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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Institute of Agro Products Processing Science and Technology of Guangxi Academy of Agricultural Sciences
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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
    • A23L19/03Products from fruits or vegetables; Preparation or treatment thereof consisting of whole pieces or fragments without mashing the original pieces
    • 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
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • 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
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/015Inorganic compounds
    • 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
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/03Organic compounds
    • 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
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/065Microorganisms
    • 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
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • 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
    • A23V2200/00Function of food ingredients
    • A23V2200/02Antioxidant

Abstract

The preparation method of the invention discloses a kind of pearl Lee's dried fruit with aroma, includes the following steps:(1) fruit is sorted, classification, is cleaned;(2) impregnation:Pearl Lee is impregnated in containing in dried fruit organization protection agent solution, and is handled under ultra-high pressure condition;Pearl Lee is impregnated in containing in aroma fermentation sugar juice again, is impregnated under the processing of microwave;The aroma sugar fermentation by xylose, cellobiose, glucose group at;Dried fruit organization protection agent is made of ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor;(3) it ferments:The anaerobic fermentation after addition zymophyte into pearl Lee;The zymophyte is made of Hansenula anomala, saccharomyces cerevisiae, candida krusei;(4) dry;Pearl Lee fruit after fermentation is placed in ultraviolet light dry after sterilizing.The present invention prepares pearl Lee's dried fruit using fermentation technique, and dried fruit has wine aroma flavor, and pulp damage is small, and percentage of head rice is high.

Description

A kind of preparation method of pearl Lee's dried fruit with aroma
Technical field
The present invention relates to food processing technology fields, and in particular to a kind of preparation side of pearl Lee's dried fruit with aroma Method.
Background technology
Pearl Lee is Lee's fruit new varieties of Guangxi voluntarily selection and breeding, has that " Tiane pearl Lee, first Lee of Guangxi, does not eat not Know, eaten later laugh at " good reputation.Pearl Lee's pulp is faint yellow to orange-yellow, and meat is sharp and clear, finer and smoother, and pulp is sour-sweet moderate, Savory, raciness, mouthfeel is good, Microbial biomass C content 4.17g/100g, soluble solids content 13.8%, total sugar content 9.3g/ 100g, total acid content 0.73g/100ml, edible rate is up to 97.6%, complete freestone.Pearl Lee has pericarp thickness, shelf-stable, commodity The advantages that fruit rate is high.
Pearl Lee is the abundant perishable agricultural product of water content, and various bad things easily occur because of the effect of microorganism and enzyme Reason, chemistry, biochemical reaction.By pearl Lee after drying, water content can be reduced, hinders microbial reproduction, inhibits enzyme in fruit Activity, to extend the holding time of pearl Lee.The drying nutritional ingredient that can ensure fruit of pearl Lee meets consumption again The negative and positive demand of person.But drying color of pearl Lee etc. is poor quality, existing pearl Lee fruit dryed product is delicious, But insufficient fragrance, the problems such as pearl Lee's flavor is single.
Invention content
The present invention overcomes existing pearl Lee dried fruit insufficient fragrance, the single technical problem of pearl Lee's dried fruit flavor carries For can a kind of preparation method of pearl Lee's dried fruit with aroma.
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of preparation method of pearl Lee's dried fruit with aroma, includes the following steps:
(1) fruit is sorted, classification, is cleaned;
(2) impregnation:By step (1), treated that pearl Lee is impregnated in containing in dried fruit organization protection agent solution, and 20~25min is handled under ultra-high pressure condition;Again by pearl Lee be impregnated in containing aroma ferment sugar juice in, in the processing of microwave 2~5h of lower dipping;The aroma sugar fermentation by xylose, cellobiose, glucose group at;The dried fruit organization protection agent by Ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor composition;
(3) it ferments:Zymophyte is added in pearl Lee obtained to step (2) is placed on 1~5d of fermentation in oxygen-free environment;Institute Zymophyte is stated to be made of Hansenula anomala, saccharomyces cerevisiae, candida krusei;
(4) dry;Pearl Lee fruit after fermentation is placed in ultraviolet light after sterilizing and is drying to obtain pearl Lee with aroma Dried fruit.Wherein, in the microwave processes, microwave power is 400~500W.
Wherein, in the aroma fermentation sugar juice, the mass percentage of aroma sugar fermentation is 20~50%.
Wherein, in the dried fruit organization protection agent solution, the mass percentage of dried fruit organization protection agent is 5~ 10%.
Wherein, the aroma sugar fermentation is 1 by mass ratio:5~10:12~20 xylose, cellobiose, glucose Composition.
Wherein, the dried fruit organization protection agent is 1 by mass ratio:5~8:1~5:3~10:4~8:6~9 second Alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor composition.
Wherein, the zymophyte is 1~2 by viable count ratio of number:5~8:9~15 Hansenula anomalas, wine brewing ferment Female, candida krusei composition.
Wherein, described (4) drying process is:Pearl Lee fruit is dried to percent water using microwave drying mode It is 8~10%.
Wherein, the raw banana extract liquor is prepared by the following method:It squeezes the juice, filters to take after raw banana is removed the peel Filtrate, using n-butanol, isoamyl alcohol aqueous solution as extractant, the raw banana extract liquor is obtained by extraction;In the extractant, just Butanol, isoamyl alcohol and water mass ratio be 20~40:10~15:50~88.
The present invention has the advantages that compared with prior art:
(1) there is pearl Lee's dried fruit prepared by pearl Lee's dried fruit preparation method of the invention unique wine aroma flavor to see, precious Pearl fruit dried fruit forming, sour-sweet moderate, mouthfeel is good.
(2) in the prior art, general that fermentation generation ethyl alcohol is carried out using saccharomyces cerevisiae, but in pearl Lee's fruit dry fermentation work Only with fermentation by saccharomyces cerevisiae in skill, ethanol content is high, and vinosity is strong, and the present invention using Hansenula anomala, saccharomyces cerevisiae, Candida krusei is the zymophyte that fermentation generates aroma, the alcoholic fermentation power of Hansenula anomala and candida krusei Weaker, the enzyme activity of saccharomyces cerevisiae is low, and the alcoholic fermentation power of strain, while zymogenic enzyme activity can be improved in three kinds of composite bacterias Xylose, cellobiose, glucose fermentation can be generated the alcohol compound with aroma, the hair of short time by height in a short time Ferment is small to the destruction of the institutional framework of pearl Lee fruit, and in the alcohol compound generated that ferments, ethanol content is low, other are in sweetening treatment It is high to close object, pearl Lee's dried fruit wine flavour is strong, raciness.
(3) the dried fruit organization protection agent that the present invention uses is by ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, life Banana extract liquor contains pectin inhibitory enzyme activity ingredient in murphy juice, raw banana extract liquor, and citric acid can be on chelatase The polyvalent metal ions such as copper ion, magnesium ion, iron ion, reduce the activity of enzyme, and ascorbic acid can be reduced with scavenging activated oxygen Polysaccharide can be cross-linked to form stable cross-linked network structure by the activity of oxidizing ferment, calcium chloride, and calcium chloride at this time can be thin by pectin Polysaccharide between cell wall is cross-linked to form more stable network structure, reduces degradation of the pectase to polysaccharide.And the second of suitable concentration Alcohol is permeable in pearl Lee fruit, and can inhibit zymophyte in fermentation generates pectase, further functions as protection pearl Lee's pulp The effect of tissue.In the prior art, fruit enzyme deactivation is coordinated using super-pressure and citric acid, ascorbic acid, calcium chloride, but lemon There is certain tart flavour can increase the tart flavour of pearl Lee when only with this technology enzyme deactivation, influence pearl Lee's for acid and ascorbic acid It can be in not increasing pearl Lee's tart flavour and making pearl Lee fruit after the mouthfeel of dried fruit, addition murphy juice and raw banana extract liquor Murphy juice, raw banana extract liquor and the intersolubility before citric acid, ascorbic acid, calcium chloride can be improved in pectin enzymatic inactivation, ethyl alcohol, The dried fruit organization protection agent mutual cooperation of the present invention can play a protective role to the institutional framework of pearl Lee fruit, and pearl Lee fruit is made to pass through Also have preferable shape and texture, pearl Lee's dried fruit percentage of head rice high after fermentation.
(4) the aroma sugar fermentation that uses of the present invention can be fermented profit by xylose, cellobiose, glucose group at, zymophyte With glucose, but saccharomyces cerevisiae can not ferment using xylose, and xylose, cellobiose can be false by Hansenula anomala, Cruise Silk yeast fermentation utilizes, and three kinds of sugar three kinds of zymogenic fermentations of cooperation can generate strong aroma.
(5) inhibit ingredient containing pectase in raw banana of the invention, raw banana is directly squeezed the juice applied to pearl Lee fruit Dry tissue protective effect is poor, and the present invention raw banana extract liquor in, using isoamyl alcohol, n-butanol aqueous solution as extractant, The raw banana extract liquor obtained using this extractant is coordinated with ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice to pearl Lee's tissue has preferable protective effect.After making pearl Lee's dried fruit that there is aroma, the present invention to pickle pearl lijin's row sugar It ferments again into addition microbial bacteria, enzyme meeting existing for script in zymophyte generates in fermentation process enzyme and pearl Lee fruit The colloid and fiber of degradation pearl Lee, destroys the institutional framework of pearl Lee, pearl Lee's dried fruit texture is poor, and pearl Lee's dried fruit does not have Overall shape, cracky, ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice and the cooperation of raw banana extract liquor, to degradation Enzyme has preferable inhibition and the inhibition of passivation effect, especially pectase passivation, is effectively protected the tissue of pearl Lee's dried fruit Structure.
Specific implementation mode
With reference to embodiment and experiment, the invention will be further described.
Embodiment 1
A kind of preparation method of pearl Lee's dried fruit with aroma, includes the following steps:
(1) fruit is sorted, classification, is cleaned;
(2) impregnation:By step (1), treated that pearl Lee is impregnated in containing in dried fruit organization protection agent solution, and 25min is handled under ultra-high pressure condition;Pearl Lee is impregnated in containing in aroma fermentation sugar juice again, is soaked under the processing of microwave Stain 2h;The aroma sugar fermentation is 1 by mass ratio:10:12 xylose, cellobiose, glucose group are at the aroma It ferments in sugar juice, the mass percentage of aroma sugar fermentation is 50%;In the dried fruit organization protection agent solution, the fruit The protectant mass percentage of stem organization is 5%;The dried fruit organization protection agent is 1 by mass ratio:8:1:10:4:9 Ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor composition;The microwave power is 400W;
(3) it ferments:Zymophyte is added in pearl Lee obtained to step (2) is placed in oxygen-free environment the 5d that ferments;It is described Zymophyte is 1 by viable count ratio of number:8:9 Hansenula anomalas, saccharomyces cerevisiae, candida krusei composition;
(4) dry;Pearl Lee fruit after fermentation is placed in ultraviolet light after sterilizing, using microwave drying mode by pearl Lee Dried fruit it is dry to percent water be 10%.
Wherein, the raw banana extract liquor is prepared by the following method:It squeezes the juice, filters to take after raw banana is removed the peel Filtrate, using n-butanol, isoamyl alcohol aqueous solution as extractant, the raw banana extract liquor is obtained by extraction;In the extractant, just Butanol, isoamyl alcohol and water mass ratio be 20:15:50.
Embodiment 2
A kind of preparation method of pearl Lee's dried fruit with aroma, includes the following steps:
(1) fruit is sorted, classification, is cleaned;
(2) impregnation:By step (1), treated that pearl Lee is impregnated in containing in dried fruit organization protection agent solution, and 20min is handled under ultra-high pressure condition;Pearl Lee is impregnated in containing in aroma fermentation sugar juice again, is soaked under the processing of microwave Stain 5h;The aroma sugar fermentation is 1 by mass ratio:5:20 xylose, cellobiose, glucose group are at the aroma hair In ferment sugar juice, the mass percentage of aroma sugar fermentation is 20%;In the dried fruit organization protection agent solution, the dried fruit The mass percentage of organization protection's agent is 5~10%;The dried fruit organization protection agent is 1 by mass ratio:5:5:3:8:6 Ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor composition;The microwave power is 500W;
(3) it ferments:Zymophyte is added in pearl Lee obtained to step (2) is placed in oxygen-free environment the 1d that ferments;It is described Zymophyte is 2 by viable count ratio of number:5:15 Hansenula anomalas, saccharomyces cerevisiae, candida krusei composition;
(4) dry;Pearl Lee fruit after fermentation is placed in ultraviolet light after sterilizing, using microwave drying mode by pearl Lee Dried fruit it is dry to percent water be 8%.
Wherein, the raw banana extract liquor is prepared by the following method:It squeezes the juice, filters to take after raw banana is removed the peel Filtrate, using n-butanol, isoamyl alcohol aqueous solution as extractant, the raw banana extract liquor is obtained by extraction;In the extractant, just Butanol, isoamyl alcohol and water mass ratio be 40:10:88.
Embodiment 3
A kind of preparation method of pearl Lee's dried fruit with aroma, includes the following steps:
(1) fruit is sorted, classification, is cleaned;
(2) impregnation:By step (1), treated that pearl Lee is impregnated in containing in dried fruit organization protection agent solution, and 22min is handled under ultra-high pressure condition;Pearl Lee is impregnated in containing in aroma fermentation sugar juice again, is soaked under the processing of microwave Stain 4h;The aroma sugar fermentation is 1 by mass ratio:8:18 xylose, cellobiose, glucose group are at the aroma hair In ferment sugar juice, the mass percentage of aroma sugar fermentation is 40%;In the dried fruit organization protection agent solution, the dried fruit The mass percentage of organization protection's agent is 8%;The dried fruit organization protection agent is 1 by mass ratio:6:3:8:6:8 second Alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor composition;The microwave power is 450W;
(3) it ferments:Zymophyte is added in pearl Lee obtained to step (2) is placed in oxygen-free environment the 3d that ferments;It is described Zymophyte is 2 by viable count ratio of number:6:10 Hansenula anomalas, saccharomyces cerevisiae, candida krusei composition;
(4) dry;Pearl Lee fruit after fermentation is placed in ultraviolet light after sterilizing, using microwave drying mode by pearl Lee Dried fruit it is dry to percent water be 9%.
Wherein, the raw banana extract liquor is prepared by the following method:It squeezes the juice, filters to take after raw banana is removed the peel Filtrate, using n-butanol, isoamyl alcohol aqueous solution as extractant, the raw banana extract liquor is obtained by extraction;In the extractant, just Butanol, isoamyl alcohol and water mass ratio be 30:12:77.
In order to illustrate the technique effect of the present invention, following control group is set:
Control group 1
Control group 1 and pearl Lee's dried fruit preparation method with aroma of embodiment 1 are essentially identical, and difference lies in controls The zymophyte of group 1 is only saccharomycete.
Control group 2
Control group 2 and pearl Lee's dried fruit preparation method with aroma of embodiment 1 are essentially identical, and difference lies in controls The zymophyte of group 2 is Hansenula anomala and candida krusei.
Control group 3
Control group 3 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right Dried fruit organization protection agent according to group 3 is made of citric acid, ascorbic acid, calcium chloride.
Control group 4
Control group 4 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right Dried fruit organization protection agent according to group 4 is made of ethyl alcohol, citric acid, ascorbic acid, calcium chloride.
Control group 5
Control group 5 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right Dried fruit organization protection agent according to group 5 is made of ethyl alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice.
Control group 6
Control group 6 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right According to group 6 raw banana extract liquor preparation method in, using ethyl alcohol as extractant.
Control group 7
Control group 7 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right According to group 7 raw banana extract liquor preparation method in, using isoamyl alcohol as extractant.
Control group 8
Control group 8 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right Aroma sugar fermentation according to group 8 is sugared glucose.
Control group 9
Control group 9 and the preparation method of pearl Lee's dried fruit with aroma of embodiment 1 are essentially identical, and difference lies in right Aroma sugar fermentation according to group 9 is xylose and cellobiose.
Experiment detection:
1, organoleptic detection
Organoleptic detection is carried out to pearl Lee's dried fruit of 1~embodiment of embodiment 3 and 1~control group of control group 9, as a result such as The following table 1.
Table 1
As shown in Table 1, pearl Lee's dried fruit percentage of head rice of 1~embodiment of embodiment 3 is all compared to 1~control group of control group 9 The percentage of head rice of pearl Lee's dried fruit of height, especially 3~control group of control group 7 is far below embodiment 1, illustrates pearl Lee's pulp in fruit It is not decomposed by enzymes such as pectases under stem organization's protective agent, there is preferable protecting effect to pearl Lee's pulp.With 1 phase of embodiment Than control group 2, pearl Lee's dried fruit fragrance of control group 9 are thin, and control group 1, the stimulation of 8 wine flavour of control group illustrate that the present invention will Pearl Lee be impregnated in containing xylose, cellobiose, glucose liquid glucose after, then through Hansenula anomala, saccharomyces cerevisiae, Cruise Candida zymophyte has strong and suitable fruity and aroma.
2, rehydration detects
Rehydration test method:Pearl Lee's dried fruit of 1 control group 9 of 1~embodiment of embodiment 3 and control group is weighed, often A kind of pearl Lee dried fruit weighs 50g samples, is divided into 5 groups, every group of 10g;Pearl Lee's dried fruit is placed in 25 DEG C of thermostatted waters respectively again In bath impregnate 25min after take out, with filter paper blot sample surfaces it is substantially anhydrous after, Mass Calculation is referred to as M, former dry sample quality For m, calculating rehydration ratio, (rehydration is than calculation formula:M/m), 5 groups of samples are averaged, and are as a result recorded in the following table 2.
Table 2
As shown in Table 2, pearl Lee's dried fruit rehydration of 1~embodiment of embodiment 3 is said than all higher than 1~control group of control group 9 Pearl Lee's pulp organization extent of the destruction of bright 1~control group of control group 9 is bigger than 1~embodiment of embodiment 3, pearl Lee's pulp group It is low to knit its more serious hydrophilicity of extent of the destruction, therefore rehydration illustrates the preparation Fang Jing of pearl Lee's dried fruit of the present invention than relatively low Fermentation can also preferably keep its institutional framework while having aroma.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to In the covered the scope of the claims of the present invention.

Claims (9)

1. a kind of preparation method of pearl Lee's dried fruit with aroma, it is characterised in that:Include the following steps:
(1) fruit is sorted, classification, is cleaned;
(2) impregnation:By step (1), treated that pearl Lee is impregnated in containing in dried fruit organization protection agent solution, and super 20~25min is handled under condition of high voltage;Pearl Lee is impregnated in containing in aroma fermentation sugar juice again, is soaked under the processing of microwave 2~5h of stain;The aroma sugar fermentation by xylose, cellobiose, glucose group at;The dried fruit organization protection agent is by second Alcohol, citric acid, ascorbic acid, calcium chloride, murphy juice, raw banana extract liquor composition;
(3) it ferments:Zymophyte is added in pearl Lee obtained to step (2) is placed on 1~5d of fermentation in oxygen-free environment;The hair Yeast-like fungi is made of Hansenula anomala, saccharomyces cerevisiae, candida krusei;
(4) dry;Pearl Lee fruit after fermentation is placed in ultraviolet light after sterilizing and is drying to obtain pearl Lee's dried fruit with aroma.
2. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that described In microwave processes, microwave power is 400~500W.
3. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that the wine In perfume fermentation sugar juice, the mass percentage of aroma sugar fermentation is 20~50%.
4. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that described In dried fruit organization protection agent solution, the mass percentage of dried fruit organization protection agent is 5~10%.
5. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that described Aroma sugar fermentation is 1 by mass ratio:5~10:12~20 xylose, cellobiose, glucose group at.
6. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that described The agent of dried fruit organization protection is 1 by mass ratio:5~8:1~5:3~10:4~8:6~9 ethyl alcohol, citric acid, ascorbic acid, Calcium chloride, murphy juice, raw banana extract liquor composition.
7. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that the hair Yeast-like fungi is 1~2 by viable count ratio of number:5~8:9~15 Hansenula anomalas, saccharomyces cerevisiae, candida krusei group At.
8. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that described (4) drying process is:Microwave drying mode is used to dry pearl Lee fruit to percent water as 8~10%.
9. a kind of preparation method of pearl Lee's dried fruit with aroma according to claim 1, which is characterized in that described Raw banana extract liquor is prepared by the following method:It squeezes the juice after raw banana is removed the peel, filtrate is filtered to take to obtain, with n-butanol, isoamyl The aqueous solution of alcohol is extractant, and the raw banana extract liquor is obtained by extraction;In the extractant, n-butanol, isoamyl alcohol and water Mass ratio is 20~40:10~15:50~88.
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