CN107927156A - A kind of crude antistaling agent for strawberry preservation and preparation method thereof and preservation method - Google Patents

A kind of crude antistaling agent for strawberry preservation and preparation method thereof and preservation method Download PDF

Info

Publication number
CN107927156A
CN107927156A CN201711214788.6A CN201711214788A CN107927156A CN 107927156 A CN107927156 A CN 107927156A CN 201711214788 A CN201711214788 A CN 201711214788A CN 107927156 A CN107927156 A CN 107927156A
Authority
CN
China
Prior art keywords
extracting solution
pomelo peel
strawberry
apple skin
antistaling agent
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.)
Granted
Application number
CN201711214788.6A
Other languages
Chinese (zh)
Other versions
CN107927156B (en
Inventor
尹秀莲
游庆红
管明
赵瑜辉
张学娟
万苗苗
华鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaiyin Institute of Technology
Original Assignee
Huaiyin Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaiyin Institute of Technology filed Critical Huaiyin Institute of Technology
Priority to CN201711214788.6A priority Critical patent/CN107927156B/en
Publication of CN107927156A publication Critical patent/CN107927156A/en
Application granted granted Critical
Publication of CN107927156B publication Critical patent/CN107927156B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/16Coating with a protective layer; Compositions or apparatus therefor
    • 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
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105Plant extracts, their artificial duplicates or their derivatives
    • 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

Abstract

The invention discloses a kind of crude antistaling agent for strawberry preservation and preparation method thereof and preservation method, the crude antistaling agent is made of pomelo peel extracting solution and apple skin extracting solution, wherein pomelo peel extracting solution volume fraction shared in crude antistaling agent is 40% 55%, and apple skin extracting solution volume fraction shared in antistaling agent is 45% 60%.It is synergistic at the same time using pomelo peel and the extracting solution of apple skin in the crude antistaling agent of the present invention, it is of good preservation effect;Preservation method using the present invention can cause healthy fruit of the strawberry when fresh keeping time is 20 days to be more than 90%, and percentage of water loss is less than 2%, and does not have peculiar smell.The preparation method of the present invention is simple and convenient, and pomelo peel and apple skin are industrial processes discarded object, using pomelo peel and apple skin as raw material, prepares the crude antistaling agent for strawberry, not only turns waste into wealth, but also also reduces pollution of the discarded object to environment, kills two birds with one stone.

Description

A kind of crude antistaling agent for strawberry preservation and preparation method thereof and preservation method
Technical field
The invention belongs to preserving fruit and vegetable utilizing field, and in particular to a kind of crude antistaling agent and its preparation side for strawberry preservation Method and preservation method.
Background technology
Strawberry is perennial herb, is rose family pseudocarp reality, and the lovely luster of strawberry, fragrance is tempting, possesses the mouth of uniqueness Sense, it is also very high containing abundant nutriment, edible value.In addition, strawberry also has medical value, such as heat-clearing and fire-reducing, anticancer Disease and anti-aging.The water content of strawberry is very high, but without hard outer tissue, thus strawberry be very easy in transportational process by To mechanical damage, the ethylene contents that strawberry discharges after adopting rise violently rapidly, and its own microorganism carried also allows its preservation Phase is very short, causes to rot and lose commodity value, can only preserve 1~2d at normal temperatures.There is substantial amounts of strawberry also not every year Sell away and just rot, cause serious economic loss and the wasting of resources, therefore, finding suitable strawberry preservation technology is The task of top priority.
At present, for Storage of Strawberry based on deepfreeze, this method can reduce strawberry softening rate to a certain extent, but It is that fruit dehydration is very fast, air conditioned storage, reduced pressure treatment, radiation treatment can extend the shelf life of strawberry, but cost is higher. Fresh-keeping using chemical substance, its residual has hidden danger to health.In recent years, crude antistaling agent was got over for the research of strawberry preservation Come more.Crude antistaling agent mainly includes stomata of the Antibacterial Constituents with sterilization and anticorrosion with blocking moisture loss, reduces Water loss, can prevent gas exchanges inside and outside fruit, suppress respiration, and can prevent the film infected of microorganism into Point.But many crude antistaling agents extract from natural drug, such as allicin (application number 201410572415.6, Yi Zhongcao more Certain kind of berries fresh-keeping liquid and preparation method thereof), Chinese gall (application number 201510180807.2, a kind of Chinese herb residues leaching liquor-gelatin strawberry The preparation method of preservative film), radix glycyrrhizae, cordate houttuynia (application number 201510533552.3, a kind of composite preservative of strawberry) etc., this Although a little natural components have preferable sterilization and anticorrosion activity, can have strawberry and make us not pleasant peculiar smell, so that shadow Ring the sale of strawberry.Therefore, for current strawberry preservation technology there are the drawbacks of, develop a kind of compound guarantor of green safe strawberry Fresh dose is necessary.
The content of the invention
Goal of the invention:For problem present on current strawberry preservation technology, the present invention provides one kind and is used for strawberry preservation Crude antistaling agent, which prepares the crude antistaling agent for strawberry using pomelo peel and apple skin as raw material, can be to grass The certain kind of berries carries out effectively fresh-keeping.
The present invention also provides the preparation method and preservation method of the crude antistaling agent for strawberry preservation.
Technical solution:To achieve these goals, a kind of crude antistaling agent for strawberry preservation as described herein, institute State crude antistaling agent to be made of pomelo peel extracting solution and apple skin extracting solution, wherein pomelo peel extracting solution institute in crude antistaling agent The volume fraction accounted for is 40%-55%v/v, and apple skin extracting solution volume fraction shared in antistaling agent is 45%-60%v/ v。
The preparation method of crude antistaling agent of the present invention, comprises the following steps:
(1) pomelo peel is cleaned, dried, pulverized and sieved, obtain pomelo peel coarse powder;Pomelo peel coarse powder is placed in ethanol water In, refluxing extraction, extracting solution filtering, obtains filtrate and filter residue;Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content It is pomelo peel extracting solution A in 30-35mg/mL;
Filter residue is placed in deionized water, with salt acid for adjusting pH, refluxing extraction, filtrate is filtered, and filter residue discards, and filtrate subtracts Pressure is concentrated into pomelo peel pectin content in 10-15mg/mL, is pomelo peel extracting solution B;Pomelo peel extracting solution A and B are mixed in equal volume Close, obtain pomelo peel extracting solution;
(2) apple skin is cleaned, dried, pulverized and sieved, obtain apple skin coarse powder;Ethanol water is placed in by apple skin coarse powder In, refluxing extraction, extracting solution filtering, obtains filtrate and filter residue;Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 20- 25mg/mL, is apple skin extracting solution A;
Filter residue is placed in deionized water, with salt acid for adjusting pH, refluxing extraction, filtrate is filtered, and filter residue discards, and filtrate subtracts Pressure is concentrated into apple skin pectin content in 10-15mg/mL, is apple skin extracting solution B;Apple skin extracting solution A and B are mixed in equal volume Close, obtain apple skin extracting solution;
(3) the apple skin extracting solution that the pomelo peel extracting solution and step (2) obtained step (1) obtains mixes in proportion To the crude antistaling agent for strawberry preservation.
Wherein, step (1) the pomelo peel coarse powder is 1 by mass volume ratio:It is 70- that 8-12mg/mL, which adds volume fraction, Refluxing extraction in 80% ethanol water.It is preferred that pomelo peel coarse powder is 1 by mass volume ratio:10mg/mL adds volume fraction For in the ethanol water of 75%v/v.
Wherein, the step (1) filter residue is 1 by mass volume ratio:6-10mg/mL is added in deionized water.It is preferred that Filter residue is 1 by mass volume ratio:8mg/mL adds refluxing extraction in deionized water.
Wherein, step (2) the apple skin coarse powder is 1 by mass volume ratio:It is 80- that 8-12mg/mL, which adds volume fraction, Refluxing extraction in 90% ethanol water.Preferably apple skin coarse powder is 1 by mass volume ratio:10mg/mL adds volume fraction For in the ethanol water of 90%v/v.
Wherein, the step (2) filter residue is 1 by mass volume ratio:6-10mg/mL is added in deionized water.It is preferred that Filter residue is 1 by mass volume ratio:8mg/mL adds refluxing extraction in deionized water.
Wherein, step (1) and step (2) described refluxing extraction are 2-3 times, each 1-1.5h.Preferably, refluxing extraction 2 Secondary, each 1.5h, extracting solution merges filtering.
Wherein, step (1) and step (2) the salt acid for adjusting pH are 2-3.Preferably, with the salt acid for adjusting pH of 1mol/L For 2.
Crude antistaling agent of the present invention is used for the preservation method of strawberry preservation, includes the following steps:
1) eight to ninety percent ripe strawberries are harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry;
2) strawberry is placed in crude antistaling agent and soaks 20min, taken out strawberry, dry;The strawberry dried is deposited in cold Storehouse is fresh-keeping.
Wherein, the temperature of step (2) described freezer be 2-10 DEG C, relative humidity 85-90%.
Beneficial effect:Compared with prior art, the present invention has following conspicuousness beneficial effect:
1st, in crude antistaling agent of the invention pomelo peel, apple skin ethanol extract be mainly flavones and Polyphenols activity into Point, and containing certain ursolic acid, these compounds not only have higher antibacterial and antioxidation activity in vitro, are taken the photograph by human body Enter, also have and remove free radical and reducing blood lipid isoreactivity.
2nd, pomelo peel, apple skin ethanol extract can extract partial pericarp fruit wax, and water extract is mainly pectin, fruit wax Layer protecting film can be formed in strawberry surface with pectin, and fruit wax has certain waterproof action, can preferably prevent strawberry water The loss divided.
3rd, pomelo peel and apple bark extract all have delicate fragrance fruity in crude antistaling agent, even if remaining on strawberry, Consumer will not be allowed to produce the not pleasant sense of taste.
4th, preparation method of the invention is simple and convenient, and pomelo peel and apple skin are industrial processes discarded object, with pomelo peel It is raw material with apple skin, prepares the crude antistaling agent for strawberry, not only turn waste into wealth, but also also reduce discarded object to environment Pollution, kill two birds with one stone.
5th, at the same time using pomelo peel and the extracting solution of apple skin in crude antistaling agent of the invention, synergistic, fresh-keeping effect Fruit is good;Preservation method using the present invention can cause healthy fruit of the strawberry when fresh keeping time is 20 days to be more than 90%, dehydration Rate is less than 2%.
Embodiment
The present invention will be further described with reference to embodiments.
Embodiment 1
(1) pomelo peel cleaning, drying, crushed 60 mesh sieves, obtain pomelo peel coarse powder.By mass volume ratio 1:10g/mL is by shaddock Sub- skin coarse powder is placed in the ethanol water of 75%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content in 30mg/mL, is pomelo peel extracting solution A. It is 1 by mass volume ratio:Filter residue is placed in deionized water by 8g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, Each 1.5h, merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into pomelo peel pectin content in 10mg/mL, is shaddock Skin extracting solution B.By pomelo peel extracting solution A and B by volume 1:1 mixing, obtains pomelo peel extracting solution.
(2) apple skin cleaning, drying, crushed 80 mesh sieves, obtain apple skin coarse powder.By mass volume ratio 1:10g/mL is by apple Pericarp coarse powder is placed in the ethanol water of 90%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 25mg/mL, is apple skin extracting solution A.By quality Volume ratio 1:Filter residue is placed in deionized water by 8g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, each 1.5h, Merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into apple skin pectin content in 15mg/mL, is apple skin extracting solution B. By apple skin extracting solution A and B by volume 1:1 mixing, obtains apple skin extracting solution.
(3) it is 40% by pomelo peel extracting solution volume fraction v/v shared in crude antistaling agent, apple skin extracting solution exists Shared volume fraction v/v is 60% in antistaling agent, is mixed to get crude antistaling agent.
(4) eight to ninety percent ripe strawberries are harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry.By grass The certain kind of berries, which is placed in crude antistaling agent, soaks 20min, takes out strawberry, dries.The strawberry dried is deposited in into 2-10 DEG C of environment temperature, phase It is fresh-keeping to the freezer that humidity is 85-90%.
Embodiment 2
(1) pomelo peel cleaning, drying, crushed 60 mesh sieves, obtain pomelo peel coarse powder.By mass volume ratio 1:10g/mL is by shaddock Sub- skin coarse powder is placed in the ethanol water of 75%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content in 35mg/mL, is pomelo peel extracting solution A. By mass volume ratio 1:Filter residue is placed in deionized water by 8g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, often Secondary 1.5h, merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into pomelo peel pectin content in 15mg/mL, is pomelo peel Extracting solution B.By pomelo peel extracting solution A and B by volume 1:1 mixing, obtains pomelo peel extracting solution.
(2) apple skin cleaning, drying, crushed 80 mesh sieves, obtain apple skin coarse powder.By mass volume ratio 1:10g/mL is by apple Pericarp coarse powder is placed in the ethanol water of 90%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 20mg/mL, is apple skin extracting solution A.By quality Volume ratio 1:Filter residue is placed in deionized water by 8g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, each 1.5h, Merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into apple skin pectin content in 10mg/mL, is apple skin extracting solution B. By apple skin extracting solution A and B by volume 1:1 mixing, obtains apple skin extracting solution.
(3) it is 55% by pomelo peel extracting solution volume fraction v/v shared in crude antistaling agent, apple skin extracting solution exists Shared volume fraction v/v is 45% in antistaling agent, is mixed to get crude antistaling agent.
(4) eight to ninety percent ripe strawberries are harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry.By grass The certain kind of berries, which is placed in crude antistaling agent, soaks 20min, takes out strawberry, dries.The strawberry dried is deposited in into 2-10 DEG C of environment temperature, phase It is fresh-keeping to the freezer that humidity is 85-90%.
Embodiment 3
(1) pomelo peel cleaning, drying, crushed 60 mesh sieves, obtain pomelo peel coarse powder.By mass volume ratio 1:10g/mL is by shaddock Sub- skin coarse powder is placed in the ethanol water of 75%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content in 33mg/mL, is pomelo peel extracting solution A. By mass volume ratio 1:Filter residue is placed in deionized water by 8g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, often Secondary 1.5h, merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into pomelo peel pectin content in 13mg/mL, is pomelo peel Extracting solution B.By pomelo peel extracting solution A and B by volume 1:1 mixing, obtains pomelo peel extracting solution.
(2) apple skin cleaning, drying, crushed 80 mesh sieves, obtain apple skin coarse powder.By mass volume ratio 1:10g/mL is by apple Pericarp coarse powder is placed in the ethanol water of 90%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 22mg/mL, is apple skin extracting solution A.By quality Volume ratio 1:Filter residue is placed in deionized water by 8g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, each 1.5h, Merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into apple skin pectin content in 12mg/mL, is apple skin extracting solution B. By apple skin extracting solution A and B by volume 1:1 mixing, obtains apple skin extracting solution.
(3) it is 50% by pomelo peel extracting solution volume fraction v/v shared in crude antistaling agent, apple skin extracting solution exists Shared volume fraction v/v is 50% in antistaling agent, is mixed to get crude antistaling agent.
(4) eight to ninety percent ripe strawberries are harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry.By grass The certain kind of berries, which is placed in crude antistaling agent, soaks 20min, takes out strawberry, dries.The strawberry dried is deposited in into 2-10 DEG C of environment temperature, phase It is fresh-keeping to the freezer that humidity is 85-90%.
Embodiment 4
(1) pomelo peel cleaning, drying, crushed 60 mesh sieves, obtain pomelo peel coarse powder.By mass volume ratio 1:8g/mL is by shaddock Sub- skin coarse powder is placed in the ethanol water of 70%v/v concentration, refluxing extraction 3 times, each 1h, and extracting solution merges, and filtering, must filter Liquid and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content in 32mg/mL, is pomelo peel extracting solution A.Press Mass volume ratio 1:Filter residue is placed in deionized water by 6g/mL, and pH3 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, every time 1.5h, merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into pomelo peel pectin content in 12mg/mL, is carried for pomelo peel Take liquid B.By pomelo peel extracting solution A and B by volume 1:1 mixing, obtains pomelo peel extracting solution.
(2) apple skin cleaning, drying, crushed 80 mesh sieves, obtain apple skin coarse powder.By mass volume ratio 1:12g/mL is by apple Pericarp coarse powder is placed in the ethanol water of 80%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 23mg/mL, is apple skin extracting solution A.By quality Volume ratio 1:Filter residue is placed in deionized water by 10g/mL, and pH3 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, every time 1.5h, merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into apple skin pectin content in 13mg/mL, is carried for apple skin Take liquid B.By apple skin extracting solution A and B by volume 1:1 mixing, obtains apple skin extracting solution.
(3) it is 48% by pomelo peel extracting solution volume fraction v/v shared in crude antistaling agent, apple skin extracting solution exists Shared volume fraction v/v is 52% in antistaling agent, is mixed to get crude antistaling agent.
(4) eight to ninety percent ripe strawberries are harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry.By grass The certain kind of berries, which is placed in crude antistaling agent, soaks 20min, takes out strawberry, dries.The strawberry dried is deposited in into 2-10 DEG C of environment temperature, phase It is fresh-keeping to the freezer that humidity is 85-90%.
Embodiment 5
(1) pomelo peel cleaning, drying, crushed 60 mesh sieves, obtain pomelo peel coarse powder.By mass volume ratio 1:12g/mL is by shaddock Sub- skin coarse powder is placed in the ethanol water of 80%v/v concentration, refluxing extraction 2 times, each 1.5h, and extracting solution merges, and filtering, obtains Filtrate and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content in 32mg/mL, is pomelo peel extracting solution A. By mass volume ratio 1:Filter residue is placed in deionized water by 10g/mL, and pH2 is adjusted with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, often Secondary 1.5h, merging filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into pomelo peel pectin content in 12mg/mL, is pomelo peel Extracting solution B.By pomelo peel extracting solution A and B by volume 1:1 mixing, obtains pomelo peel extracting solution.
(2) apple skin cleaning, drying, crushed 80 mesh sieves, obtain apple skin coarse powder.By mass volume ratio 1:8g/mL is by apple Pericarp coarse powder is placed in the ethanol water of 80%v/v concentration, refluxing extraction 3 times, each 1h, and extracting solution merges, and filtering, must filter Liquid and filter residue.Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 22mg/mL, is apple skin extracting solution A.By mass body Product ratio 1:Filter residue is placed in deionized water by 6g/mL, adjusts pH3 with the hydrochloric acid of 1mol/L, refluxing extraction 2 times, each 1.5h, is closed And filtrate, filtering, filter residue discards, and filtrate decompression is concentrated into apple skin pectin content in 12mg/mL, is apple skin extracting solution B.Will Apple skin extracting solution A and B by volume 1:1 mixing, obtains apple skin extracting solution.
(3) it is 47% by pomelo peel extracting solution volume fraction v/v shared in crude antistaling agent, apple skin extracting solution exists Shared volume fraction v/v is 53% in antistaling agent, is mixed to get crude antistaling agent.
(4) eight to ninety percent ripe strawberries are harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry.By grass The certain kind of berries, which is placed in crude antistaling agent, soaks 20min, takes out strawberry, dries.The strawberry dried is deposited in into 2-10 DEG C of environment temperature, phase It is fresh-keeping to the freezer that humidity is 85-90%.
Test example
The crude antistaling agent prepared using 1-3 of the embodiment of the present invention handles strawberry, investigate shelf-life of strawberry, healthy fruit and Percentage of water loss (20 days) and whether there is peculiar smell, the results are shown in Table 1.
Wherein comparative example 1, under 1 step of embodiment (4) equal conditions, crude antistaling agent processing grass is prepared without the present invention The certain kind of berries;
Comparative example 2 is under equal conditions, using a kind of composite preservative of strawberry of the prior art (201510533552.3) step (4) in embodiment 1 is pressed to handle;
Comparative example 3 is the pure pomelo peel extracting solution prepared using the embodiment of the present invention 1, and by step (4) place in embodiment 1 Reason;
Comparative example 4 is the pure apple skin extracting solution prepared using the embodiment of the present invention 1, and by step (4) in embodiment 1 Processing.
Table 1
Shelf-life (my god) Healthy fruit (%) Peculiar smell Percentage of water loss (%)
Embodiment 1 21 More than 90% Nothing Less than 2%
Embodiment 2 22 More than 90% Nothing Less than 2%
Embodiment 3 22 More than 90% Nothing Less than 2%
Comparative example 1 7 0 Nothing ————
Comparative example 2 20 Less than 80% (20 days) Have More than 10% (20 days)
Comparative example 3 14 Less than 75% (14 days) Nothing More than 10% (14 days)
Comparative example 4 15 Less than 75% (15 days) Nothing More than 10% (15 days)
As seen from the results in Table 1,1-3 of the embodiment of the present invention prepare crude antistaling agent processing strawberry after, 2-10 DEG C of temperature, Relative humidity can reach more than 21 days for the 85-90% shelf-lifves, wherein healthy fruit at 20 days can reach more than 90%, and And percentage of water loss is less than 2%, completely without peculiar smell.Unprocessed strawberry compared to comparative example 1 extends 14-15 days;And contrast Although the shelf-life, also the present invention was close after the antistaling agent processing of example 2, not as of the invention, percentage of water loss adds the healthy fruit of 20 days Height, and due to containing the exhausted cordate houttuynia of radix glycyrrhizae in antistaling agent so that strawberry has obvious peculiar smell;Comparative example 3 and 4 uses single Pomelo peel extracting solution or single apple skin extracting solution, indices are substantially not as the crude antistaling agent of the present invention;Illustrate this Invention is synergistic at the same time using pomelo peel and the extracting solution of apple skin, of good preservation effect.

Claims (10)

  1. A kind of 1. crude antistaling agent for strawberry preservation, it is characterised in that the crude antistaling agent by pomelo peel extracting solution and Apple skin extracting solution forms, and wherein pomelo peel extracting solution volume fraction shared in crude antistaling agent is 40%-55%, apple Skin extracting solution volume fraction shared in antistaling agent is 45%-60%.
  2. 2. the preparation method of the crude antistaling agent described in a kind of claim 1, it is characterised in that comprise the following steps:
    (1) pomelo peel is cleaned, dried, pulverized and sieved, obtain pomelo peel coarse powder;Pomelo peel coarse powder is placed in ethanol water, Refluxing extraction, extracting solution filtering, obtains filtrate and filter residue;Decompression filtrate recycling ethanol is simultaneously concentrated into pomelo peel general flavone content and exists 30-35mg/mL, is pomelo peel extracting solution A;
    Filter residue is placed in deionized water, with salt acid for adjusting pH, refluxing extraction, filtrate is filtered, and filter residue discards, and filtrate decompression is dense Pomelo peel pectin content is reduced in 10-15mg/mL, is pomelo peel extracting solution B;Pomelo peel extracting solution A and B are mixed in equal volume, Obtain pomelo peel extracting solution;
    (2) apple skin is cleaned, dried, pulverized and sieved, obtain apple skin coarse powder;It is placed in by apple skin coarse powder in ethanol water, Refluxing extraction, extracting solution filtering, obtains filtrate and filter residue;Decompression filtrate recycling ethanol is simultaneously concentrated into Determination of Polyphenols in 20-25mg/ ML, is apple skin extracting solution A;
    Filter residue is placed in deionized water, with salt acid for adjusting pH, refluxing extraction, filtrate is filtered, and filter residue discards, and filtrate decompression is dense Apple skin pectin content is reduced in 10-15mg/mL, is apple skin extracting solution B;Apple skin extracting solution A and B are mixed in equal volume, Obtain apple skin extracting solution;
    (3) the apple skin extracting solution that the pomelo peel extracting solution and step (2) obtained step (1) obtains is mixed to get use in proportion In the crude antistaling agent of strawberry preservation.
  3. 3. preparation method according to claim 2, it is characterised in that step (1) the pomelo peel coarse powder presses quality volume Than for 1:8-12g/mL adds refluxing extraction in the ethanol water that volume fraction is 70-80%.
  4. 4. preparation method according to claim 2, it is characterised in that the step (1) filter residue presses mass volume ratio For 1:6-10g/mL adds refluxing extraction in deionized water.
  5. 5. preparation method according to claim 2, it is characterised in that step (2) the apple skin coarse powder presses quality volume Than for 1:8-12g/mL adds refluxing extraction in the ethanol water that volume fraction is 80-90%.
  6. 6. preparation method according to claim 2, it is characterised in that the step (2) filter residue presses mass volume ratio For 1:6-10g/mL adds refluxing extraction in deionized water.
  7. 7. preparation method according to claim 2, it is characterised in that step (1) and step (2) described refluxing extraction are 2- 3 times, each 1-1.5h.
  8. 8. preparation method according to claim 2, it is characterised in that step (1) and step (2) the salt acid for adjusting pH are 2-3。
  9. 9. the crude antistaling agent described in a kind of claim 1 is used for the preservation method of strawberry preservation, it is characterised in that including as follows Step:
    1) strawberry is harvested, no disease and pests harm is selected, has no mechanical damage, uniform fresh strawberry;
    2) strawberry is completely disposed in crude antistaling agent and soaked, taken out strawberry, dry;The strawberry dried is deposited in freezer to protect It is fresh.
  10. 10. preservation method according to claim 9, it is characterised in that the temperature of step (2) described freezer is 2-10 DEG C, relatively Humidity is 85-90%.
CN201711214788.6A 2017-11-28 2017-11-28 Natural preservative for strawberry preservation and preparation method and preservation method thereof Active CN107927156B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711214788.6A CN107927156B (en) 2017-11-28 2017-11-28 Natural preservative for strawberry preservation and preparation method and preservation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711214788.6A CN107927156B (en) 2017-11-28 2017-11-28 Natural preservative for strawberry preservation and preparation method and preservation method thereof

Publications (2)

Publication Number Publication Date
CN107927156A true CN107927156A (en) 2018-04-20
CN107927156B CN107927156B (en) 2021-03-19

Family

ID=61950396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711214788.6A Active CN107927156B (en) 2017-11-28 2017-11-28 Natural preservative for strawberry preservation and preparation method and preservation method thereof

Country Status (1)

Country Link
CN (1) CN107927156B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110122557A (en) * 2019-06-14 2019-08-16 新疆京洲和合生物科技开发有限公司 A kind of preservation method of Kuerle delicious pear
CN110692898A (en) * 2019-11-25 2020-01-17 衡阳市君玲传统食品科技发展有限责任公司 Rice dumpling preservative and preparation method and preservation method thereof
CN110692921A (en) * 2019-11-25 2020-01-17 衡阳市君玲传统食品科技发展有限责任公司 Preserved meat and Chinese chestnut rice dumpling and making method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102766280A (en) * 2011-09-01 2012-11-07 上海宇飞金属制品有限公司 Pectin preservative film, its raw material composition and preparation method thereof
CN106889179A (en) * 2017-02-16 2017-06-27 佛山市恒南医药科技有限公司 One Plant Extracts antistaling agent, its preparation method and its application

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102766280A (en) * 2011-09-01 2012-11-07 上海宇飞金属制品有限公司 Pectin preservative film, its raw material composition and preparation method thereof
CN106889179A (en) * 2017-02-16 2017-06-27 佛山市恒南医药科技有限公司 One Plant Extracts antistaling agent, its preparation method and its application

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张怡,曾绍校,郑宝东: "柚子皮总黄酮提取工艺的而研究", 《中国农学通报》 *
李琪,等人: "微波提取苹果皮中多酚物质的工艺研究", 《中国果菜》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110122557A (en) * 2019-06-14 2019-08-16 新疆京洲和合生物科技开发有限公司 A kind of preservation method of Kuerle delicious pear
CN110692898A (en) * 2019-11-25 2020-01-17 衡阳市君玲传统食品科技发展有限责任公司 Rice dumpling preservative and preparation method and preservation method thereof
CN110692921A (en) * 2019-11-25 2020-01-17 衡阳市君玲传统食品科技发展有限责任公司 Preserved meat and Chinese chestnut rice dumpling and making method thereof

Also Published As

Publication number Publication date
CN107927156B (en) 2021-03-19

Similar Documents

Publication Publication Date Title
Sharifi-Rad et al. Plants of the genus Allium as antibacterial agents: From tradition to pharmacy
Bhat et al. Coriander (Coriandrum sativum L.): Processing, nutritional and functional aspects
KR101234744B1 (en) Method for Production of Functional Soybean Paste and Functional Soybean Paste Produced by The Same Method
CN104286158B (en) A kind of honey peach gather before preservative specially
CN104286159A (en) Fresh keeping method for honey peach
CN101933533A (en) Plant source preservative and preparation method and application thereof
CN107927156A (en) A kind of crude antistaling agent for strawberry preservation and preparation method thereof and preservation method
KR101703420B1 (en) Food additives compositions comprising Cudrania tricuspidata extrat and preparation method thereof
CN102885133A (en) Dried lily flower preservative as well as preparation method and application thereof
CN109105481A (en) A kind of preservation method of citrus
KR101478784B1 (en) Manufacturing method of functional salt using chamaecyparis obtusa
CN108522648A (en) A kind of fresh-keeping and preserving method of navel orange
KR101349101B1 (en) Natural germicide composition and methods for manufacturing a natural germicide
CN104430636A (en) Composition for preventing and treating diseases and insect pests of asparagus
KR101226459B1 (en) Manufacturing Method of Dried Citrus Unshiu Peel Tea And Citrus Unshiu Peel Tea Using The Same
KR102402908B1 (en) Grape tea composition and manufacturing method
CN109418388A (en) A kind of fruit antistaling agent and its application method
CN108617761A (en) A kind of fresh-keeping and preserving method of Ponkan
CN105284963B (en) Cock skin fruit tree special plant fungicide and its production method
KR20190073126A (en) Natural Preservatives and method for extending the shelf life
CN107343532A (en) A kind of antistaling agent of Han Jia Betel extracts and Prochloraz
CN106436476A (en) Environment-friendly fruit and vegetable preservative paper
KR101654633B1 (en) Manufacturing method of Red Allium hookeri using Allium hookeri root and Red Allium hookeri using Allium hookeri root manufactured by the same
CN102823637A (en) Meat product fresh-keeping agent and meat product fresh-keeping method
KR100872582B1 (en) Functional fresh-cut yam containing natural spice and method for manufacturing thereof

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
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20180420

Assignee: Jiangsu Mingjia Construction Engineering Co.,Ltd.

Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY

Contract record no.: X2021980010817

Denomination of invention: The invention relates to a natural preservative for strawberry preservation, a preparation method and a preservation method thereof

Granted publication date: 20210319

License type: Common License

Record date: 20211018

EE01 Entry into force of recordation of patent licensing contract