CN108353678A - A method of improving aloe oxidation resistance with methyl jasmonate - Google Patents
A method of improving aloe oxidation resistance with methyl jasmonate Download PDFInfo
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- CN108353678A CN108353678A CN201810368108.4A CN201810368108A CN108353678A CN 108353678 A CN108353678 A CN 108353678A CN 201810368108 A CN201810368108 A CN 201810368108A CN 108353678 A CN108353678 A CN 108353678A
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- aloe
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
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Abstract
The present invention provides a kind of methods improving aloe oxidation resistance with methyl jasmonate, belong to the technical field of plant anti-oxidation, include the following steps：1) methyl jasmonate is mixed with alcohols solvent, water successively, obtains active substance solution；A concentration of the 2 × 10 of the active substance solution‑5~2 × 10‑4mol/L；2) active substance solution that step 1) obtains is sprayed into aloe blade face 1 time every 24~48h, sprayed every time until aloe blade face is dripped；The total degree sprayed is 5~10 times.The inoxidizability that aloe can be improved using method provided by the invention illustrates that aloe inoxidizability can be effectively improved by applying methyl jasmonate during aloe is cultivated.
Description
Technical field
The invention belongs to the technical fields of plant anti-oxidation, and in particular to a kind of anti-oxidant with methyl jasmonate raising aloe
The method of ability.
Background technology
Aloe is perennial herbaceous plant, and this plant is liked by masses very much, is not only due to aloe and is easy plantation,
Even more because aloe has very high ornamental value and edible value.Aloe be also make the raw material of many beauty products, and
And aloe has very high medical value, for example aloe has let out, cardiac stimulant invigorates blood circulation, detoxifies, eases pain under antibacterial, anti-inflammatory, stomach invigorating etc.
Effect is a kind of widely used medicinal and health plant.Aloe contains abundant antioxidant content, and the prior art is for aloe
Application, the original oxidation resistance of aloe itself is based only on, not about the report for how enhancing aloe oxidation resistance
Road.
Invention content
In view of this, the purpose of the present invention is to provide a kind of sides for improving aloe oxidation resistance with methyl jasmonate
Method, method using the present invention can improve the oxidation resistance of aloe.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical scheme：
The present invention provides a kind of methods improving aloe oxidation resistance with methyl jasmonate, include the following steps：
1) methyl jasmonate is mixed with alcohols solvent, water successively, obtains active substance solution；
A concentration of the 2 × 10 of the active substance solution-5~2 × 10-4mol/L；
2) active substance solution that step 1) obtains is sprayed into aloe blade face 1 time every 24~48h, is sprayed every time to aloe
Until blade face is dripped；
The total degree sprayed is 5~10 times.
Preferably, positive blade face and reverse side blade face of the aloe blade face for aloe in the step 2).
Preferably, as growth most 20~70d of the aloe, the active substance solution is sprayed.
Preferably, as growth most 30~60d of the aloe, the active substance solution is sprayed.
Preferably, the active substance solution sprays aloe blade face 1 time every 30~40h.
Preferably, the total degree sprayed is 6~9 times.
Preferably, the organic solvent includes methanol and/or ethyl alcohol.
Preferably, the condition of culture of the aloe includes：
Cultivation temperature is 18~25 DEG C；Ambient humidity is 40~60%.
In the present invention, the methyl jasmonate is believed after spraying aloe by regulating and controlling aloe secondary metabolism as inducer
Number transduction pathway adjusts key enzyme activity and key gene expression in secondary metabolite synthesis, to improve in aloe
The content of total polyphenols and general flavone, and then improve the oxidation resistance of aloe.
The result of the embodiment of the present invention is shown：Using method provided by the invention, last time active substance solution is sprayed
The same day, aloe extract is to the clearance rate average out to 52.78% of DPPH free radicals, control group 48.18%, compared to control
Group improves 4.6%；When spraying the 5th day of last time active substance solution, removing of the aloe extract to DPPH free radicals
Rate average out to 57.59%, control group 49.06% improve 8.53% compared to control group；Spray last time active material
At the 10th day of solution, aloe extract is to the clearance rate average out to 64.93% of DPPH free radicals, control group 47.52%, phase
17.41% is improved compared with control group；When spraying the 15th day of last time active substance solution, aloe extract to DPPH from
By the clearance rate average out to 67.59% of base, control group 47.88% improves 19.71% compared to control group.It is possible thereby to
It obtains, the antioxidant activity of aloe can be improved using method provided by the invention.
Description of the drawings
Fig. 1 is embodiment 1 with 2 × 10-5Shadow of the mol/L methyl jasmonates solution treatment to Determination of Polyphenols in aloe body
It rings；
Fig. 2 is embodiment 1 with 2 × 10-5Shadow of the mol/L methyl jasmonates solution treatment to general flavone content in aloe body
It rings；
Fig. 3 is embodiment 2 with 2 × 10-4Shadow of the mol/L methyl jasmonates solution treatment to Determination of Polyphenols in aloe body
It rings；
Fig. 4 is embodiment 2 with 2 × 10-4Shadow of the mol/L methyl jasmonates solution treatment to general flavone content in aloe body
It rings.
Specific implementation mode
The present invention provides a kind of methods improving aloe oxidation resistance with methyl jasmonate, include the following steps：
1) methyl jasmonate is mixed with alcohols solvent, water successively, obtains active substance solution；
A concentration of the 2 × 10 of the active substance solution-5~2 × 10-4mol/L；
2) active substance solution that step 1) obtains is sprayed into aloe blade face 1 time every 24~48h, is sprayed every time to aloe
Until blade face is dripped；
The total degree sprayed is 5~10 times.
The present invention mixes methyl jasmonate with alcohols solvent, water successively, obtains active substance solution.
The present invention is not particularly limited the source of the methyl jasmonate, using commercial product, in the present invention,
The purity of the methyl jasmonate is preferably 95% or more.In the present invention, the methyl jasmonate sprays reed as inducer
By regulating and controlling aloe secondary metabolism signal transduction pathway, adjusting the key enzyme activity and key in secondary metabolite synthesis after luxuriant growth
Gene expression to improve the content of total polyphenols and general flavone in aloe, and then improves the oxidation resistance of aloe.
In the present invention, the alcohols solvent includes methanol and/or ethyl alcohol.When the alcohols solvent is methanol and ethyl alcohol
When.The mass mixings such as methanol and ethyl alcohol.In the present invention, the alcohols solvent can dissolve active material.
The present invention is not particularly limited the usage amount of alcohols solvent, can dissolve active material.
In the present invention, the water is preferably distilled water.
In the present invention, a concentration of the 2 × 10 of the active substance solution-5~2 × 10-4mol/L。
Active substance solution is sprayed aloe blade face 1 time by the present invention every 24~48h, is sprayed every time to aloe blade face and is dripped
Until；The total degree sprayed is 5~10 times.
In the present invention, the active substance solution sprays aloe blade face 1 time every 24~48h, preferably every 30~40h
It sprays 1 time, more preferable 34~36h is sprayed 1 time.
In the present invention, the total degree sprayed is 5~10 times, preferably 6~9 times, more preferably 7~8 times.
In the present invention, the aloe blade face sprayed is preferably positive blade face and the reverse side blade face of aloe.
The present invention is not particularly limited the kind of the aloe, using the aloe kind of this field routine, at this
In inventive embodiments, the kind of the aloe is preferably the Chinese aloe aloe.
In the present invention, when the growth of the aloe preferably to 20~70d when, spray the active substance solution, it is more excellent
It is selected as 30~60d, most preferably 40~50d.In the present invention, the aloe is new to be transplanted to using the method that plant division is transplanted
The aloe of container.
The present invention is not particularly limited the condition of culture of the aloe, using those skilled in the art routine culture aloe
Condition, in embodiments of the present invention, the condition of culture of the aloe preferably includes：Cultivation temperature is preferably 18~25
DEG C, more preferably 20~23 DEG C；Ambient humidity is preferably 40~60%, more preferably 45~55%, most preferably 50%.
15d of the present invention preferably after spraying last time active substance solution harvests aloe.The present invention is in last time
Spray the after active substance solution the 5th day antioxygenic property that can improve aloe, after 15d, aloe antioxidant effect
Improve unobvious.
With reference to embodiment to a kind of method improving aloe oxidation resistance with methyl jasmonate provided by the invention
It is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
A small amount of 95% methyl jasmonate is dissolved in 1ml ethanol solutions, is configured to a concentration of 2 × 10-2The jasmine of mol/L
The absolute ethyl alcohol mother liquor of jasmine acid methyl esters, it is spare.The absolute ethyl alcohol mother liquor of 20ul methyl jasmonates is dissolved in 20ml distilled water again,
It is configured to 2 × 10-5The methyl jasmonate solution of mol/L, it is spare；
Aloe is transplanted to using plant division method for transplanting when growing to 1 month after new container, with 2 × 10-5Mol/L jasmonics
Methyl ester solution, it is primary to spray the positive and negative blade face of aloe every 48 hours, until blade face is dripped, sprays 5 times altogether.Control group aloe is sprayed
Apply the distilled water containing equivalent ethyl alcohol；
Aloe after being sprayed with methyl jasmonate solution avoids strong illumination with control group aloe apart from culture, training
Foster consistent, condition of culture is according to conventional aloe condition of culture；
Sprayed with methyl jasmonate solution after reaching 5 times on the day of, after the 5th day, the 10th day, the 15th day, carry out respectively
Sampling measures aloe antioxidant activity, the results are shown in Table 1, and the method for measuring aloe antioxidant activity is：
It with the scissors clip fresh aloe after sterilizing, weighs 10 grams or so, cuts off edge ratchet, place and grind after being shredded
It is ground in alms bowl, until paste, obtains Aloe original juice, Aloe original juice 1ml is taken to add 5ml absolute ethyl alcohols, be positioned over 450w, 30 DEG C of ultrasound
Mechanical shaking extraction 20min in wave.It filters twice, filter residue is washed with absolute ethyl alcohol, abandons filter residue, is taken filtrate and is arrived with absolute ethyl alcohol constant volume
10ml obtains aloe extract ethanol solution；
DPPH is dissolved with ethyl alcohol, is configured to 0.008mg/mL ethanol solutions, 0.5mL is taken to be added to the reed of 1.00mg/mL
It in luxuriant growth extract ethanol solution, shakes up, then the constant temperature water bath 30min in 28 DEG C of water-baths surveys rapidly its extinction at 515nm
Degree is denoted as A samples, while measuring the blank sample without extract and being denoted as A blank, and clearance rate SC (%) calculation formula is：
SC (%)=1- (1-A samples/A blank) × 100；
In formula：A samples are the absorbance of sample；A blank is the absorbance of blank sample.
Scavenging activity of 1 aloe extract of table to DPPH free radicals
As can be drawn from Table 1, the inoxidizability that aloe can be significantly improved using method provided by the invention, is illustrated in reed
Aloe inoxidizability can be effectively improved by applying methyl jasmonate during luxuriant growth culture.
The method of total polyphenols is in measurement aloe：
The measurement of total polyphenols uses forint phenol colorimetric method in aloe extract ethanol solution, is joined using gallic acid as standard
According to object, the concentration range for making standard curve is 0~600.0 μ g GA/m L.Concrete operation step is：Respectively in reaction tube
100 μ L gallic acids solution and 400 μ L distilled water are added, 100 μ L forint phenol reagents are then added, mixes well, is stored at room temperature
6min ensures that phenolic compound all in reaction tube and forint phenol reagent fully combine.Then 1m L 7%Na HCO are added3
Solution increases the p H values of reaction solution to terminate entire reaction, and 0.8m L distilled water, which is added, makes final volume be 2.4m L, at room temperature
90min is stood, light absorption value is read at 760nm wavelength.The measurement of sample is same as above.Total phenol content in sample passes through gallic acid
Standard curve calculate, be expressed as being equivalent to the milligram number of gallic acid in every 100g samples.It is average to be repeated three times calculating
Value, data are expressed as means standard deviation, the result is shown in Figure 1 and table 2.
Determination of Polyphenols in 2 aloe of table
It can be obtained from Fig. 1 and table 2, as methyl jasmonate treatment number of days extends, Determination of Polyphenols is apparent in aloe
It increases, and compareing Determination of Polyphenols in aloe does not have significant change；The Determination of Polyphenols that 5d, 10d and 15d are measured after processing is aobvious
It writes and is higher than control group, illustrate that methyl jasmonate treatment can significantly improve Determination of Polyphenols in aloe.
The assay method of general flavone is in aloe：
The measurement of general flavone is completed using sodium borohydride/chlorine a kind of jade method in aloe extract ethanol solution, and catechin is as mark
Quasi- object of reference, using tetrahydrofuran/ethyl alcohol (THF/Et OH, 1:1, v/v) aqueous standard method product concentration (0.3~10.0mM).
1m L aloe extract ethanol solutions are taken to be added in test tube, nitrogen drying is dry, redissolves in 1m L tetrahydrofurans/ethyl alcohol (THF/Et
OH,1:1, v/v) solution.Then 0.5m L 50m M NaBH are sequentially added into each reaction tube4With 0.5m L 74.6m
MAlCl3Solution, shaken at room temperature react 30min, and 0.5m L 50.0m M Na BH are then added again4Solution, it is anti-after persistent oscillation
Answer 30min.To the end of reaction, the 0.8M acetums of 2.0m L precoolings are added into reaction tube, are protected from light oscillating reactions 15min.
1m L20.0m M chlorine a kind of jade solution is then added, 95 DEG C are shaken reaction 1h, are cooled to room temperature, methanol constant volume to 4m L, 1m L are added
16% (w/v) vanillic aldehyde solution, then add 2m L 12M concentrated hydrochloric acids, it mixing well, is protected from light and stands 15min, 1400g centrifuges 5min,
Light absorption value is read using 490nm wavelength.General flavone content in sample is calculated by the standard curve of catechin, is expressed as every
The milligram number of catechin is equivalent in 100g samples.It is repeated three times calculating average value, data are expressed as means standard deviation,
As a result see Fig. 2 and table 3.
General flavone content in 3 aloe of table
It can be obtained from Fig. 2 and table 3, as methyl jasmonate treatment number of days extends, general flavone content is apparent in aloe
It increases, and compareing general flavone content in aloe does not have significant change；The general flavone content that 5d, 10d and 15d are measured after processing is aobvious
It writes and is higher than control group, illustrate that methyl jasmonate treatment can significantly improve general flavone content in aloe.
Embodiment 2
A small amount of 95% methyl jasmonate is dissolved in 1ml ethanol solutions, is configured to a concentration of 2 × 10-2The jasmine of mol/L
The absolute ethyl alcohol mother liquor of jasmine acid methyl esters, it is spare.The absolute ethyl alcohol mother liquor of 200ul methyl jasmonates is dissolved in 20ml distilled water again
In, it is configured to 2 × 10-4The methyl jasmonate solution of mol/L, it is spare；
Aloe is transplanted to using plant division method for transplanting when growing to 1 month after new container, with 2 × 10-4Mol/L jasmonics
Methyl ester solution, it is primary to spray the positive and negative blade face of aloe every 48 hours, until blade face is dripped, sprays 5 times altogether.Control group aloe is sprayed
Apply the distilled water containing equivalent ethyl alcohol；
Aloe after being sprayed with methyl jasmonate solution avoids strong illumination with control group aloe apart from culture, training
Foster consistent, condition of culture is according to conventional aloe condition of culture；
Sprayed with methyl jasmonate solution after reaching 5 times on the day of, after the 5th day, the 10th day, the 15th day, carry out respectively
Sampling measures aloe antioxidant activity, the results are shown in Table 4, and the method for measuring aloe antioxidant activity measures aloe with embodiment 1 and resists
The method of oxidation activity.
Scavenging activity of 4 aloe extract of table to DPPH free radicals
As can be drawn from Table 4, the inoxidizability that aloe can be significantly improved using method provided by the invention, is illustrated in reed
Aloe inoxidizability can be effectively improved by applying methyl jasmonate during luxuriant growth culture.
Influence of the methyl jasmonate treatment to aloe total polyphenols is measured using method same as Example 1, as a result sees Fig. 3
With table 5.
The content of total polyphenols in 5 aloe of table
It can be obtained from Fig. 3 and table 5, as methyl jasmonate treatment number of days extends, Determination of Polyphenols is apparent in aloe
It increases, and compareing Determination of Polyphenols in aloe does not have significant change；5 days, the 10 days and 15 days Determination of Polyphenols measured after processing
It is all remarkably higher than control group, illustrates that methyl jasmonate treatment can significantly improve total polyphenols in aloe.
Influence of the methyl jasmonate treatment to aloe general flavone is measured using method same as Example 1, as a result sees Fig. 4
With table 6.
The content of general flavone in 6 aloe of table
It can be obtained from Fig. 4 and table 6, as methyl jasmonate treatment number of days extends, general flavone content obviously rises in aloe
Height, and compareing general flavone content in aloe does not have significant change；5 days, the 10 days and 15 days general flavone contents measured are equal after processing
It is significantly higher than control group, illustrates that methyl jasmonate treatment can significantly improve general flavone content in aloe.
It can be obtained by above example, the inoxidizability of aloe can be enough improved using method provided by the invention, is said
The bright methyl jasmonate that applies during aloe is cultivated can effectively improve aloe inoxidizability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of method improving aloe oxidation resistance with methyl jasmonate, includes the following steps：
1) methyl jasmonate is mixed with alcohols solvent, water successively, obtains active substance solution；
A concentration of the 2 × 10 of the active substance solution-5~2 × 10-4mol/L；
2) active substance solution that step 1) obtains is sprayed into aloe blade face 1 time every 24~48h, is sprayed every time to aloe blade face
Until dripping；
The total degree sprayed is 5~10 times.
2. according to the method described in claim 1, it is characterized in that, aloe blade face is the positive blade face of aloe in the step 2)
With reverse side blade face.
3. method according to claim 1 or 2, which is characterized in that when the aloe is when growing to 20~70d, spray
The active substance solution.
4. according to the method described in claim 3, it is characterized in that, when the aloe is when growing to 30~60d, spray described
Active substance solution.
5. according to the method described in claim 1, it is characterized in that, the active substance solution sprays aloe every 30~40h
Blade face 1 time.
6. according to the method described in claim 1, it is characterized in that, the total degree sprayed is 6~9 times.
7. according to the method described in claim 1, it is characterized in that, the alcohols solvent includes methanol and/or ethyl alcohol.
8. according to the method described in claim 1, it is characterized in that, the condition of culture of the aloe includes：Cultivation temperature is 18
~25 DEG C；Ambient humidity is 40~60%.
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| CN111903419A (en) * | 2019-12-27 | 2020-11-10 | 河南科技大学 | Method for improving drought resistance of oil peony by adopting methyl jasmonate |
| CN111903420A (en) * | 2019-12-27 | 2020-11-10 | 河南科技大学 | Method for improving drought resistance of oil peony by using jasmonic acid |
| CN113521183A (en) * | 2021-07-15 | 2021-10-22 | 中国农业科学院蔬菜花卉研究所 | Method for efficiently improving content of phenolic acid and flavone in lily functional components |
| CN115777707A (en) * | 2023-02-06 | 2023-03-14 | 哈尔滨本晟创新科技有限公司 | Growth regulator and method for improving total phenol content of acanthopanax by matching with spectral illumination |
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| CN113521183A (en) * | 2021-07-15 | 2021-10-22 | 中国农业科学院蔬菜花卉研究所 | Method for efficiently improving content of phenolic acid and flavone in lily functional components |
| CN115777707A (en) * | 2023-02-06 | 2023-03-14 | 哈尔滨本晟创新科技有限公司 | Growth regulator and method for improving total phenol content of acanthopanax by matching with spectral illumination |
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