CN108782735A - A kind of nano liposomes and preparation method thereof fresh-keeping for dry-cured ham - Google Patents
A kind of nano liposomes and preparation method thereof fresh-keeping for dry-cured ham Download PDFInfo
- Publication number
- CN108782735A CN108782735A CN201810617739.5A CN201810617739A CN108782735A CN 108782735 A CN108782735 A CN 108782735A CN 201810617739 A CN201810617739 A CN 201810617739A CN 108782735 A CN108782735 A CN 108782735A
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- CN
- China
- Prior art keywords
- ham
- sodium
- fresh
- dry
- keeping
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L13/00—Meat products; Meat meal; Preparation or treatment thereof
- A23L13/70—Tenderised or flavoured meat pieces; Macerating or marinating solutions specially adapted therefor
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Abstract
The invention discloses a kind of nano liposomes and preparation method thereof fresh-keeping for dry-cured ham, and feature is that its raw material and preparation method thereof is as follows:It takes 10-15mg black peppers essential oil, 22.5mg soybean lecithins, 12mg lards, 5mg camphors and 5mg menthols to be warming up to 35 DEG C, is dissolved in 9ml olive oil concussions and shakes up, 9ml ether dissolutions are added after 35 DEG C of rotary evaporations;5-10mg broken pollens extract, 5-10mg sodium citrates, 5-10mg potassium lactates, 5-10mg sodium polyphosphates, 1mg alpha-alkene sulfonates, 1mg tweens and 0.2mg sodium taurocholates is taken to be dissolved in 3 ml PBS buffer solution, it pours into oil phase diethyl ether solution, vacuum homogeneous successively, ultrasound, nuclepore membrane filter filters to take filtrate after intermediate water phase part rotary evaporation is taken in centrifugation, advantage is good dispersion, and stability is high, and it is good to be applied to surface of ham antioxidant effect.
Description
Technical field
The invention belongs to meat preservation technical field, more particularly, to a kind of nano liposomes fresh-keeping for ham and its
Preparation method.
Background technology
Dry-cured ham is Mediterranean Region traditional Animal foodstuffs the most unique, as Spain Serrano and Iberian,
Italian Parma and France's Bayonne hams, the livestock products of Jinhua ham and Xuanwei ham as the Chinese nation's most traditional characteristics
Product, and be famous at home and abroad.For a long time, the corruption of dry-cured ham causes heavy economic losses to ham industry, thus by
To the great attention of domestic and international industry personage.Myoglobins is easy to oxidation so that product fades and fat in dry-cured ham production process
Fat and protein excessive oxidation cause flavor rotten;Surface moisture loss seriously leads to product saliferous in process of production simultaneously
Amount is high, moisture is low, palatability is poor.Under certain condition, some microorganisms, such as micrococcus luteus, lactic acid bacteria, mould, yeast meeting
Inside dry-cured ham or the mass propagation of surface, cause dry-cured ham putrid and deteriorated.Putrefactive microorganisms growth and breeding, nitrosamine,
The generation of the nuisances such as biogenic amine seriously threatens the safety of ham, influences dry-cured ham quality.
It is also a kind of relatively effective mode inhibiting lipid oxidation, food industry that antioxidant, which is most widely used at present,
It is mainly anti-oxidant in meat products using artificial synthetized oxidation preventive agent BHA and BHT additions, however chemically synthesized antioxidant
Safety receives always suspection.Animal experiments show that artificial synthesized antioxidant has certain toxicity and carcinogenesis, it is beautiful
The states such as state, Europe have been forbidden to use synthetized oxidation preventive agent.Therefore, antioxidant content is extracted from natural products to apply in meat products
In become one of hot spot in food industry research field.
Pollen(Pollen it is) plant male gametes body, it is intracapsular to be present in male pollen, not only has low fat, high protein
The characteristics of, and containing a variety of nutriments needed for human body existence, such as multivitamin, enzyme, trace element, biological active matter
Matter etc., people's pollen are referred to as the condensation product of nutrient, complete nutrient source, " the miniature nutrition library " of plant height concentration, therefore
It is known as " complete nutrition product ".Lotus powder is the essence of honeybee acquisition lotus, is free of contamination all-natural product, is referred to as melissa
Superfine product in powder, have prevention cardiovascular and cerebrovascular disease, reducing blood lipid, adjust nervous system, promote sleep, improve immunity of organisms,
It is antifatigue and other effects.In lotus powder with antioxidant activity substance have flavonoids, phytosterol, carrotene, lycopene,
Electrolytes and minerals such as selenium etc., correlative study show the flavonoids in pollen have α-terpineol, linalool, alpha-terpineol,
Jasmone, flavonols, quercetin etc., flavonoids not only have antibacterial, antiviral, anti-inflammatory, antiallergy and diastole
The effect of blood vessel also has and inhibits lipid, protein peroxidation.Food Oxidation is mainly internal excessive active oxygen and oneself
As caused by base, oxidation-resistant active ingredient in pollen can effectively Scavenger of ROS and free radical, to reduce oxidative damage.
Pepper(Pepper), scientific name Piper nigrum L are that one kind of Piperaceae is bloomed liana, are planted by Piperaceae
The spherical berry of object is drying to be process, and band black pericarp person is known as black pepper.Black pepper essential oil(BPEO)For colourless to light amber
The supernatant liquid of amber color, have soft pepper characteristic perfume, flavor mellowness is dense, naturally pure and fresh, with others volatility at
Divide and impart black pepper faint scent and pungent flavor together, has deodorization, anti-corrosion and antioxidation concurrently.Contain in black pepper essential oil
The ingredients such as pipering, limonene, carypohyllene, phellandrene, cloves alkene, can be antibacterial, improves food flavors, promotes gastrointestinal peristalsis, adds
Fast blood circulation;Its property heat, acrid flavour has the effect of warming spleen and stomach for dispelling cold, lower gas, dissolving phlegm, there is low-residual, less toxic side effect, pollution-free
The features such as, it is good wholefood antisepsis antistaling agent in meat products.Currently, being concentrated mainly on pair to the research of black pepper essential oil
In terms of its chemical composition, oxidation resistance, bacteriostatic activity, causing industrialization practical application for its strong volatility, this is asked
There has been no effective solution methods for topic.
Coating is common quality-improving method in current ham process, and this method is the ham table in the maturity period
Face covers one layer of barrier medium, to reduce ham semimembranosus and extraneous contact, to reduce the moisture loss of semimembranosus, maintains
The stay in grade of ham semimembranosus and biceps muscle of thigh.Animal and plant oil coating and starch coat, chitosan coat are commonly used in ham
Coating media, but they inhibit ham lipid oxidation and microorganism growth in terms of effects it is relatively small.Liposome is
By amphiphatic phosphatide, bilayer made of self assembly is closed vesica in water phase, since it has protection iris action, extensively
It is general to be applied to the industries such as drug, food.Currently, having no black pepper essential oil combination broken pollen activity extract nanometer fat both at home and abroad
The correlative study of plastid is reported.
Invention content
Technical problem to be solved by the invention is to provide a kind of nano liposomes good dispersions, and stability is high, is applied to
The good nano liposomes and preparation method thereof fresh-keeping for dry-cured ham of surface of ham antioxidant effect.
Technical solution is used by the present invention solves above-mentioned technical problem:A kind of nanometer fat fresh-keeping for dry-cured ham
Plastid is made of following raw material and its ratio:Broken wall lotus powder extracts, black pepper essential oil, lecithin, lard, camphor, peppermint
Brain, olive oil, sodium citrate, potassium lactate, sodium polyphosphate, alpha-alkene sulfonate, Tween-80, sodium taurocholate, ether and PBS
The mixed proportion of buffer solution is 5-10 mg:10-15 mg:22.25 mg:12 mg:5 mg:5 mg:9 ml:5 -10mg:5-10
mg:5-10 mg:1 mg:1 mg:0.2mg:9 ml:3 ml.
The above-mentioned preparation method for the fresh-keeping nano liposomes of dry-cured ham specifically includes following steps:
(1)Weigh 10-15 mg black peppers essential oil, 22.5 mg soybean lecithins, 12 mg lards, 5 mg camphors and 5 mg peppermints
Brain is warming up to 35 DEG C, and being dissolved in 9 ml olive oil concussions and shaking up makes it fully dissolve, and 35 DEG C of rotary evaporations are until form one layer
After even light yellow film fat, stop evaporation;Oil phase diethyl ether solution is obtained after 9 ml ether dissolutions are added into light yellow film fat, is turned
Enter in conical flask;
(2)Weigh 5-10 mg broken pollens extract, 5-10 mg sodium citrates, 5-10 mg potassium lactates, 5-10 mg poly phosphorus
Sour sodium, 1 mg alpha-alkene sulfonates surfactant, 1 mg Tween-80s and 0.2 mg sodium taurocholates be dissolved in the 25 mM pH of 3 ml=
It in 7.0 PBS buffer solution, pours into above-mentioned oil phase diethyl ether solution, after 1200 rpm vacuum homogeneous 5-10 min, is placed in ice water
In 100 W Probe Ultrasonic Searching 5-20 min in bath, wherein probe 10 s of work, 5 s of gap;Then 5 are centrifuged in 8000 r/min
Min takes intermediate water phase part rotary evaporation until forming uniform liposome emulsion suspension liquid;
(3)By liposome emulsion suspension liquid with the nuclepore membrane filter that filter sizes are 0.22um filter to take filtrate to get to for
The fresh-keeping nano liposomes of dry-cured ham are placed in 4 DEG C of refrigerators and preserve.
Compared with the prior art, the advantages of the present invention are as follows:The invention discloses a kind of to receive for dry-cured ham to be fresh-keeping
Mizhi plastid and preparation method thereof, wherein the black pepper essential oil and broken pollen natural extract that use not only have very well ham
Antibacterial, fresh-keeping effect, and have many nutritional ingredients in itself.Formula components camphor, menthol have antibacterial well and emulsification
Effect, olive oil and lard have very strong adhesion function, sodium citrate, potassium lactate that can effectively maintain flesh red eggs as oil-phase component
White form keeps ham good colour, surfactant alpha-alkene sulfonate that oil-phase component and water-phase component is made to be sufficiently mixed, breast
It is preferable and nontoxic to change effect.Vacuum homogeneous and ultrasound are used in preparation, and water phase, oil phase can be made to be uniformly mixed, gained is made to receive
Rice grain has good Combination.Nano liposomes have encapsulating protective effect well, and can be improved or improve the mouth of ham
Taste, controlled release flavor components improve the color and luster of ham, change the quality etc. of ham ingredient, can also improve the internal of nutritional ingredient
It absorbs, bioavilability, promotes the antibiotic property of food, surface moisture diffusion can effectively be obstructed by being applied to surface of ham, improve fire
Leg finished product moisture increases ham palatability and shelf-life.
In conclusion a kind of nano liposomes and preparation method thereof fresh-keeping for dry-cured ham of the present invention, nano-lipid
Body by as embedding, transmit the effective carrier of antioxidant VE, VC, black pepper essential oil and broken pollen activity extract for the first time by
Content is embedded for nano liposomes, used preparation material non-toxic is harmless.The nano liposomes good dispersion prepared,
Stability is high, uniform particle sizes, is applied to surface of ham with good color protection, anti-oxidant and biocidal property.Black pepper essential oil combines
Broken pollen activity extract nano liposomes study Optimal Experimental condition and formula, and it is fresh-keeping to can effectively improve nano liposomes
Effect.
Specific implementation mode
Present invention is further described in detail with reference to embodiments.
One, specific embodiment
Embodiment 1
A kind of nano liposomes fresh-keeping for dry-cured ham, are made of following raw material and its ratio:Broken wall lotus powder extracts,
Black pepper essential oil, lecithin, lard, camphor, menthol, olive oil, sodium citrate, potassium lactate, sodium polyphosphate, alpha-olefin sulphur
Hydrochlorate, Tween-80, sodium taurocholate, ether and PBS buffer solution mixed proportion be 5 mg:10 mg:22.25 mg:12 mg:5
mg:5 mg:9 ml:5 mg:10mg:10 mg:1 mg:1 mg:0.2mg:9 ml:3 ml.Preparation method specific steps are such as
Under:
(1)Weigh 10 mg black peppers essential oils, 22.5 mg soybean lecithins, 12 mg lards, 5 mg camphors and 5 mg menthol liters
For temperature to 35 DEG C, being dissolved in 9 ml olive oil concussions and shaking up makes it fully dissolve, and 35 DEG C of rotary evaporations are until form one layer uniformly
After light yellow film fat, stop evaporation;Oil phase diethyl ether solution is obtained after 9 ml ether dissolutions are added into light yellow film fat, is transferred to cone
In shape bottle;
(2)Weigh 5 mg broken pollens extracts, 5 mg sodium citrates, 10 mg potassium lactates, 10 mg sodium polyphosphates, 1 mg α-
Alkene sulfonic acid salt surfactant, 1 mg Tween-80s surfactant and 0.2 mg cholic acid natrium surfactants are dissolved in 3 ml's
It in the PBS buffer solution of 25 pH=7.0 mM, pours into above-mentioned oil phase diethyl ether solution, in 1200 rpm vacuum homogeneous 5-10 min
Afterwards, it is placed in ice-water bath in 100 W Probe Ultrasonic Searching 5-20 min, wherein probe 10 s of work, 5 s of gap;Then in 8000 r/
Min centrifuges 5 min, takes intermediate water phase part(Between upper oil phase and lower sediment)Rotary evaporation is until form uniform
Liposome emulsion suspension liquid;
(3)Liposome emulsion suspension liquid is filtered to take into filtrate to get to for doing with the nuclepore membrane filter of filter sizes 0.22um
The fresh-keeping nano liposomes of the ham that salts down are placed in 4 DEG C of refrigerators and preserve.
Embodiment 2
With above-described embodiment 1, difference lies in:The nano liposomes fresh-keeping for dry-cured ham, by following raw material and its ratio
Composition:Broken wall lotus powder extracts, black pepper essential oil, lecithin, lard, camphor, menthol, olive oil, sodium citrate, lactic acid
Potassium, sodium polyphosphate, alpha-alkene sulfonate, Tween-80, sodium taurocholate, ether and PBS buffer solution mixed proportion be 10 mg:
15 mg:22.25 mg:12 mg:5 mg:5 mg:9 ml:10mg:5 mg:5 mg:1 mg:1 mg:0.2mg:9 ml:3 ml.
Embodiment 3
With above-described embodiment 1, difference lies in:The nano liposomes fresh-keeping for dry-cured ham, by following raw material and its ratio
Composition:Broken wall lotus powder extracts, black pepper essential oil, lecithin, lard, camphor, menthol, olive oil, sodium citrate, lactic acid
Potassium, sodium polyphosphate, alpha-alkene sulfonate, Tween-80, sodium taurocholate, ether and PBS buffer solution mixed proportion be 8 mg:
12 mg:22.25 mg:12 mg:5 mg:5 mg:9 ml:8mg:8 mg:8mg:1 mg:1 mg:0.2mg:9 ml:3 ml.
Embodiment 4
With above-described embodiment 1, difference lies in:The nano liposomes fresh-keeping for dry-cured ham, by following raw material and its ratio
Composition:Broken wall lotus powder extracts, black pepper essential oil, lecithin, lard, camphor, menthol, olive oil, sodium citrate, lactic acid
Potassium, sodium polyphosphate, alpha-alkene sulfonate, Tween-80, sodium taurocholate, ether and PBS buffer solution mixed proportion be 7 mg:
13mg:22.25 mg:12 mg:5 mg:5 mg:9 ml:6mg:6 mg:9 mg:1 mg:1 mg:0.2mg:9 ml:3 ml.
Two, contrast test
1, experimental method
(1)The measurement of ham sample TBA
After 2.0 g samples are finely ground, the trichloroacetic acid of 10 ml 17.5 % is added, in ice-water bath with 25,000 rpm homogenate 2 ×
10s, filtering are added 1 ml, 0.02 M thiobarbituricacidα- solution, keep the temperature 40 min in boiling water bath, take out it is cooling after with
1600 rpm centrifuge 5 min, add 1 ml chloroforms to shake up in supernatant, take supernatant respectively in 532 nm and 600 after stratification
Colorimetric at nm records absorption value and is calculated with following formula:TBARS(mg/100g)=(A532-A600)/155×(1/2)×72.6
×100。
(2)The measurement of ham sample chromatism measurement
L*, a*, b* of ham in tetra- groups of embodiments of 1-4 are measured using color difference meter.
(3)The measurement of ham sample P OV
POV measures the measurement with reference to peroxide value in GB5009.227-2016 food national standard food.
(4)The measurement of nano liposomes grain size
Its grain size is measured using transmission electron microscope observing nano liposomes appearance, and using nanometer current potential particle size analyzer.
(5)The measurement of nano liposomes encapsulation rate
The encapsulation rate of nano liposomes is measured using ultracentrifugation-ultrafiltration membrance filter method.
(6)Total plate count measures
With reference to GB 4789.2-2010《National food safety standard food microbiological examination total plate count measures》, with sterilizing
Scissors shreds semimembranosus, weighs 20 g and is put into 180 m L sterile salines, homogenate, and it is dilute then to press 10 times of concentration gradients
It releases.Using nutrient agar, each dilution pours into 3 tablets, 37 DEG C of cultivation temperature, 48 h of incubation time.Bacterium colony is total
Number takes the average value of 3 tablets.
(7)Subjective appreciation
The master craftsman that experience is processed by 10 years or more hams carries out sensory evaluation, and evaluation index includes mainly color and luster, quality, taste
Taste, fragrance.Evaluation criterion such as following table:
1 ham sensory evaluation scores table of table
2, composite Nano liposome evaluates the fresh-keeping antioxidant effect of ham
Film is carried out to it in the ham maturity period, experimental group is compound to be coated with black pepper essential oil in the embodiment of the present invention 1-4
The ham of natural extract nano liposomes and the blank group ham for not smearing nano liposomes.Using small brushes by composite Nano
Liposome is equably applied to surface of ham, and the thickness of coating is about 0.2 centimetre.The ham of composite Nano liposome-treated is protected
It holds in horizontal position, to promote it to absorb and be stored in 20 to 25 DEG C and RH to be in 60-70% environment until sampling.Pass through
Experimental group difference nano liposomes are smeared, are compared with control sample is not smeared, the antioxygen of prepared nano liposomes is evaluated
Change effect.Measure ham bicipital muscle of arm TBA values, color and luster, POV, encapsulation rate, average grain diameter and the subjective appreciation stored 2 months.
2 embodiment group of table and blank group color and luster, POV, encapsulation rate and average target particle size result
3 embodiment group of table and blank group TBARS index results
4 embodiment group of table and blank group sense organ measurement result
5 embodiment group of table and blank group total plate count measurement result
From data results in table:Tetra- groups of each indexs of blank group and embodiment 1-4 are less than ham correlation state
Family's standard, and the TBARS values for being coated with nano liposomes ham of the present invention reduce 22.9%-54.3%, POV values reduce
36.7%-66.7%, total plate count reduce 37.5%-73.2%, significantly suppress fat oxidation, and have apparent fungistatic effect,
Ham original color and sensory scores are preferably maintained, there is apparent oxidation resistanct fresh-keeping effect.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding change and deformations, but these corresponding change and deformations can be made according to the present invention by knowing those skilled in the art
The protection domain of the claims in the present invention should all be belonged to.
Claims (2)
1. a kind of nano liposomes fresh-keeping for dry-cured ham, it is characterised in that be made of following raw material and its ratio:Broken wall
Lotus powder extracts, black pepper essential oil, lecithin, lard, camphor, menthol, olive oil, sodium citrate, potassium lactate, poly phosphorus
Sour sodium, alpha-alkene sulfonate, Tween-80, sodium taurocholate, ether and PBS buffer solution mixed proportion be 5-10 mg:10-15
mg:22.25 mg:12 mg:5 mg:5 mg:9 ml:5 -10mg:5-10 mg:5-10 mg:1 mg:1 mg:0.2mg:9
ml:3 ml.
2. a kind of preparation method described in claim 1 for the fresh-keeping nano liposomes of dry-cured ham, it is characterised in that tool
Body includes the following steps:
(1)Weigh 10-15 mg black peppers essential oil, 22.5 mg soybean lecithins, 12 mg lards, 5 mg camphors and 5 mg peppermints
Brain is warming up to 35 DEG C, and being dissolved in 9 ml olive oil concussions and shaking up makes it fully dissolve, and 35 DEG C of rotary evaporations are until form one layer
After even light yellow film fat, stop evaporation;Oil phase diethyl ether solution is obtained after 9 ml ether dissolutions are added into light yellow film fat, is turned
Enter in conical flask;
(2)Weigh 5-10 mg broken pollens extract, 5-10 mg sodium citrates, 5-10 mg potassium lactates, 5-10 mg poly phosphorus
Sour sodium, 1 mg alpha-alkene sulfonates surfactant, 1 mg Tween-80s and 0.2 mg sodium taurocholates be dissolved in the 25 mM pH of 3 ml=
It in 7.0 PBS buffer solution, pours into above-mentioned oil phase diethyl ether solution, after 1200 rpm vacuum homogeneous 5-10 min, is placed in ice water
In 100 W Probe Ultrasonic Searching 5-20 min in bath, wherein probe 10 s of work, 5 s of gap;Then 5 are centrifuged in 8000 r/min
Min takes intermediate water phase part rotary evaporation until forming uniform liposome emulsion suspension liquid;
(3)By liposome emulsion suspension liquid with filter sizes be 0.22 μm of nuclepore membrane filter filter to take filtrate to get to for
The fresh-keeping nano liposomes of dry-cured ham are placed in 4 DEG C of refrigerators and preserve.
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