CN105126778A - Preparation and application of several common plant extracts - Google Patents
Preparation and application of several common plant extracts Download PDFInfo
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- CN105126778A CN105126778A CN201510405258.4A CN201510405258A CN105126778A CN 105126778 A CN105126778 A CN 105126778A CN 201510405258 A CN201510405258 A CN 201510405258A CN 105126778 A CN105126778 A CN 105126778A
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Abstract
The invention relates to extracts from several common plants, preparation method thereof, and application of these extracts in development of a natural formaldehyde adsorbent. The common plants includes: a moraceae plant Humulus scandens (Lour.) Merr., a gramineous plant Oplismenus compositus (Linn.) Beauv., a vitaceae plant Parthenocissus tricuspidata, a urticaceae plant Urtica fissa E.Pritz, a liliaceous plant Sansevieria trifasciata Prain, a leguminous plant Trifolium repens L., and an adiantaceae plant Adiantum capillus-veneris. A research result proves that the plant extracts has excellent adsorption effect on aldehyde in air and can be used for preparing a green and environment-protective product for removing the aldehyde from air.
Description
Technical field
The present invention relates to a kind of preparation method of the extract obtained from plant, and this extract purposes in the exploitation of natural formaldehyde adsorbent; This extract may be used for the absorption of formaldehyde in indoor air.Wherein frequently seen plants comprise moraceae plants humulus grass (
humulusscandens(Lour.) Merr.), grass bamboo grass (
oplismenuscompositus(Linn.) Beauv.), vitaceae Boston ivy (
parthenocissustricuspidata), contrayerva nettle (
urticafissaE.Pritz), liliaceous plant tiger fur orchid (
sansevieriatrifasciataprain), legume clover (
trifoliumrepensl.), adiantaceae plant venushair fern (
adiantumcapillus-venerisl.); Belong to natural plants chemical field.
Background technology
In recent years, along with the significantly raising of people's living standard, people life style and idea have larger change, and the quality requirement of people to living environment is higher, and room air pollution also just more and more causes the attention of people.Volatile organic matter (VolatileOrganicCompounds, VOCs), as dimethylbenzene, toluene, benzene and formaldehyde, is ubiquitous first kinds of pollution matter in interior decoration.Especially the report that in decorated house, formaldehyde pollution works the mischief to health is in increasing trend.Research shows, formaldehyde has obvious carcinogenesis, cytotoxicity and Skin and mucosa irritation to human body.It exceeds standard and has the features such as chronicity, latency, disguise to the harm of human body, seriously threatens the healthy of people.Therefore, increasing people pays close attention to and starts to find the harm that various effective approach avoids or reduce room air pollution to cause human body.Pollution of indoor environment and problem of preventing and treating accordingly have become one of focus that in modern society, people pay close attention to.
The Treatment process of current indoor pollution mainly contains: active carbon adsorption, photocatalytic method, anion generator, ozone generator, photocatalyst technology etc.Although these technology can a large amount of polluter of disposable removing, but the release time of the polluter in room air is very long, particularly formaldehyde, not that use 1 just can be removed for twice completely, and needs cost costly, the pollution of certain elimination room air is the most also the simplest method is open door and window, allowing air flow, but needs one period of long period.And the dusty gas of long-time low concentration also can bring very large impact to human body, so a kind of economy, simple, permanently effective method need further research and exploitation.
Along with increasingly sharpening of urban atmospheric pollution, research phytoremediation technology being used for control atmosphere pollution also increases gradually, mainly concentrate at present test and screening has stronger resistivity to atmosphere pollution and pollutant had to the plant of stronger optical absorption Red shift, find out kind aspect atmosphere pollution to certain repair function with hope by these tests.Many live plants, have formaldehyde absorbing effect, but appliable plant absorb pollutants in air as bracketplant, tiger fur orchid etc. are all in the news, its absorptivity easily reaches capacity, the metabolism of plant is also lower, therefore is difficult to realize efficiently purifying fast, also can not realize large-scale application.
But, containing Multiple components in the plant extracts of natural origin, be no lack of in its chemical constitution can with the active group of formolite reaction, as amino, phenolic hydroxyl group, ketone group etc., be expected to therefrom find the natural adsorbent obtaining formaldehyde, to be applied to the exploitation of environment-friendly products.Therefore the ethanol extract of this seminar to multiple common green plants carries out the investigation of formaldehyde absorbing experiment, result of study show moraceae plants humulus grass (
humulusscandens(Lour.) Merr.), grass bamboo grass (
oplismenuscompositus(Linn.) Beauv.), vitaceae Boston ivy (
parthenocissustricuspidata), contrayerva nettle (
urticafissaE.Pritz), liliaceous plant tiger fur orchid (
sansevieriatrifasciataprain), legume clover (
trifoliumrepensl.), adiantaceae plant venushair fern (
adiantumcapillus-venerisL.) ethanol extract to formaldehyde in air, there is good suction-operated, can be used for exploitation and the application of Green Product.
Summary of the invention
The invention provides a kind of from moraceae plants humulus grass (
humulusscandens(Lour.) Merr.), grass bamboo grass (
oplismenuscompositus(Linn.) Beauv.), vitaceae Boston ivy (
parthenocissustricuspidata), contrayerva nettle (
urticafissaE.Pritz), liliaceous plant tiger fur orchid (
sansevieriatrifasciataprain), legume clover (
trifoliumrepensl.) and/or adiantaceae plant venushair fern (
adiantumcapillus-venerisL.) natural plant extracts, described extract has good suction-operated to the formaldehyde in air.
Present invention also offers the green formaldehyde adsorbent including said extracted thing and one or more adjuvants and/or excipient, described formaldehyde adsorbent can be prepared to spray agent, spray and solid aromatherapy.
Invention further provides said extracted thing for the purposes in formaldehyde in air absorption.
The preparation method of natural plant extracts of the present invention comprises the following steps:
Get fresh plant sample meal, 24h is soaked by the different concentration ethanol of 30 times of quality, ultrasonic wave hydrotropy extracts 1h, filter, filter residue repeats said extracted process 2 times, filters, merge No. three extracts, centrifugal filtration (10min1000r/min), filtrate through the micro-filtrate membrane filtration of 0.45 μm, wherein ethanol used preferably 70% ethanol.The present invention goes back the green formaldehyde adsorbent of providing package containing natural extract of the present invention.Described formaldehyde adsorbent is with extract of the present invention for active ingredient, formed with acceptable carrier in environmental protection, and exists with the environmental protection dosage form examined, and these preparations can be spray agent, spray and solid aromatherapy etc.
Invention further provides the application of each extract at preparation formaldehyde in air adsorbent.The extract at different conditions for this reason carried out is to the investigation of formaldehyde in air adsorbance.Experimental result shows, moraceae plants humulus grass (
humulusscandens(Lour.) Merr.), grass bamboo grass (
oplismenuscompositus(Linn.) Beauv.), vitaceae Boston ivy (
parthenocissustricuspidata), contrayerva nettle (
urticafissaE.Pritz), liliaceous plant tiger fur orchid (
sansevieriatrifasciataprain), legume clover (
trifoliumrepensl.), adiantaceae plant venushair fern (
adiantumcapillus-venerisL.) ethanol extract to formaldehyde in air, all there is good suction-operated, can be used for preparing green formaldehyde adsorbent.
Accompanying drawing explanation
Fig. 1 is application of sample amount and Loading sequence table.
Fig. 2 is content of formaldehyde m ~ Ar relation curve.
Fig. 3 is humulus grass ethanol extract reaction temperature-content of formaldehyde relation curve.
Fig. 4 be humulus grass ethanol extract reaction time-content of formaldehyde relation curve.
Fig. 5 is humulus grass ethanol extract reaction pH-content of formaldehyde relation curve.
Fig. 6 is bamboo grass ethanol extract reaction temperature-content of formaldehyde relation curve.
Fig. 7 be bamboo grass ethanol extract reaction time-content of formaldehyde relation curve.
Fig. 8 is bamboo grass ethanol extract pH-content of formaldehyde relation curve.
Fig. 9 is Boston ivy ethanol extract reaction temperature-content of formaldehyde relation curve.
Figure 10 be Boston ivy ethanol extract reaction time-content of formaldehyde relation curve.
Figure 11 is Boston ivy ethanol extract pH-content of formaldehyde relation curve.
Figure 12 is nettle ethanol extract reaction temperature-content of formaldehyde relation curve.
Figure 13 be nettle ethanol extract reaction time-content of formaldehyde relation curve.
Figure 14 is nettle ethanol extract pH-content of formaldehyde relation curve.
Figure 15 is the blue ethanol extract reaction temperature-content of formaldehyde relation curve of tiger fur.
Figure 16 be tiger fur blue ethanol extract reaction time-content of formaldehyde relation curve.
Figure 17 is tiger fur blue ethanol extract pH-content of formaldehyde relation curve.
Figure 18 is clover ethanol extract reaction temperature-content of formaldehyde relation curve.
Figure 19 be clover ethanol extract reaction time-content of formaldehyde relation curve.
Figure 20 is clover ethanol extract pH-content of formaldehyde relation curve.
Figure 21 is venushair fern ethanol extract reaction temperature-content of formaldehyde relation curve.
Figure 22 be venushair fern ethanol extract reaction time-content of formaldehyde relation curve.
Figure 23 is clover ethanol extract pH-content of formaldehyde relation curve.
detailed description of the invention:
embodiment 1:
The drafting of formaldehyde calibration curve:
1) experimental principle
Formaldehyde in air and acetylacetone,2,4-pentanedione react and generate yellow complex compound, with spectrophotometer at 414nm place colorimetric assay.
2) preparation of calibration curve
(1) prepare formaldehyde standard solution: ρ=10ug/mL, draw 4.28mL formaldehyde typical shelf liquid, be diluted with water in 500mL volumetric flask.
(2) acetylacetone,2,4-pentanedione preparation of reagents: 50g ammonium acetate, 6mL glacial acetic acid and 0.5mL acetylacetone,2,4-pentanedione are dissolved in 100mL water.
(3) get 10 25mL volumetric flasks, number respectively, then press Fig. 1 Loading sequence application of sample:
In standard pipe and sample cell, respectively add 5.0mL acetylacetone,2,4-pentanedione reagent, jump a queue, mixing, places 15min in 60 DEG C ± 1 DEG C water-bath, uses running water cool to room temperature after taking out.Blank is done, by 30nm cuvette colorimetric under wavelength 414nm with " 0 " number pipe.With content of formaldehyde, absorbance is mapped, drawing standard curve, as shown in Figure 2.As can be seen from curve, content of formaldehyde m ~ Ar relation curve is substantially linear, after linear fit, and curvilinear equation: y=0.0101x+0.0040, coefficient correlation: R
2=0.9998.Compared with the literature, this curve correlation coefficient is relatively better and slope is higher, is conducive to content of formaldehyde and measures.
embodiment 2:
The design of experimental provision:
Select 500mL brown bottle as sealed compartment, ready filter paper will be shifted to an earlier date and be bonded on bottle cap; Then extract to be measured is loaded in advance, then with liquid-transfering gun, the formaldehyde of 20uL is dropped on the filter paper of bottle cap, rapid cover lid, and seal covering part with preservative film, adsorb a period of time under normal pressure, take out extract to be measured, measure the concentration of formaldehyde wherein contained.
embodiment 3:
The preparation of Herba humuli scandentis extract and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of Herba humuli scandentis extract
Get fresh humulus blade of grass 50g to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 6.75.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Get 100mL above-mentioned humulus grass extract, by the device in embodiment 2, squeezing into 20mL formaldehyde in gluing in advance on the filter paper of bottle cap with liquid-transfering gun respectively, at being placed in 0 DEG C, 5 DEG C, 10 DEG C, 20 DEG C, 30 DEG C, 35 DEG C respectively, reacting 30min; Under identical conditions, blank is done with same pH and volume 70% ethanol.
Sample determination: the volumetric flask getting 4 50mL, be numbered No. 1-4 respectively, No. 1 moves into 70% ethanolic solution (pH value is identical with reactant liquor) 3mL, and No. 2 move into above-mentioned humulus grass extract 3mL, No. 3 move into control group reactant liquor 3mL, move into experimental group reactant liquor 3mL in No. 4; Then use distilled water constant volume, then add acetylacetone,2,4-pentanedione reagent 5mL, shake up, be placed in after 15min is reacted in 60 DEG C ± 1 DEG C water-bath and take out cooling; The light absorption value of solution in No. 2,414nm place, No. 3 and No. 4 pipes is recorded using the solution in No. 1 pipe as reference solution
a 2, a 3, a 4 (survey three times, average).Formaldehyde absorbing amount by formula (1) and formula (2) calculation sample:
a r =bW+a(by drawing standard curve, obtaining regression equation) (1)
In formula:
a r for correcting absorbance,
a r =A 4 -A 3 -A 2 ;
wfor formaldehyde amount, μ g;
afor the intercept of regression equation;
bfor the slope of regression equation.
Concentration of formaldehyde in sample
ρ=W/V(2)
Wherein,
ρfor formaldehyde mass concentration in sample, ug/mL;
vfor institute's sample thief volume, mL.
Measure respectively and the concentration of formaldehyde adsorption under calculating different temperatures, record data, curve plotting.
Humulus grass 70% ethanol total extract at differential responses temperature to formaldehyde in air adsorption effect as shown in Figure 3.As shown in Figure 3, temperature is 0 ~ 20 DEG C of period, and the uptake of humulus grass ethanol extract PARA FORMALDEHYDE PRILLS(91,95) increases with the rising of temperature, and this may be relevant with formaldehyde character.Formaldehyde is gaseous state at normal temperatures, volatile, and boiling point is at 19.5 DEG C, and during heat, evaporation rate is faster, and occurs as an aqueous solution under normal circumstances; When temperature is 20 DEG C, adsorption concentration reaches maximum 3.7624ug/mL; When the uptake of temperature at 20 ~ 35 DEG C of careless ethanol extract PARA FORMALDEHYDE PRILLS(91,95)s of period humulus reduces with the rising of temperature.
3) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Getting the above-mentioned Herba humuli scandentis extract of 100mL respectively, by the device in embodiment 2, squeezing into 20mL formaldehyde in gluing in advance on the filter paper of bottle cap with liquid-transfering gun respectively, be placed in temperature be react 15 under 20 DEG C of conditions respectively, 30,45,50,55,60,65,70min; Under identical conditions, blank is made with same pH and volume 70% ethanol.The same reaction temperature of adsorbance of sample determination and calculation sample.
Measure respectively and calculate the concentration of different time formaldehyde adsorption, record data, curve plotting (see figure 4).
The uptake of humulus grass ethanol extract to formaldehyde in air increases along with the prolongation in reaction time, and when 50min, uptake reaches the highest, is 4.4224ug/mL; After 50min, the absorption of PARA FORMALDEHYDE PRILLS(91,95) enters a plateau, and adsorption concentration fluctuates at about 4ug/mL.
4) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Get 100mL above-mentioned humulus grass extract, be 7,8,9,10,11,12 by 0.1mol/LNaOH adjust ph, by the device in embodiment 2,20uL formaldehyde is squeezed in gluing in advance on the filter paper of bottle cap respectively with liquid-transfering gun, seal immediately, being placed in temperature is react 50min at 20 DEG C, makes blank with same pH and volume 70% ethanol under identical conditions.Sample determination and the same reaction temperature of calculation sample adsorbance.(note: moving into volumetric flask during sample determination is respectively 2mL; Extract in No. 2 is identical with the pH value of corresponding reactant liquor)
Measure respectively and the concentration of formaldehyde adsorption under calculating different pH, record data, curve plotting.
When pH value is 7 ~ 8, the uptake of humulus grass ethanol extract PARA FORMALDEHYDE PRILLS(91,95) slightly increases, but ascendant trend is not fairly obvious; During pH=8, the adsorption effect of humulus grass ethanol extract PARA FORMALDEHYDE PRILLS(91,95) is best, and adsorption concentration reaches maximum 4.0594ug/mL; When pH value is 8 ~ 12, the uptake of extract PARA FORMALDEHYDE PRILLS(91,95) declines along with the rising of pH value, and the obvious (see figure 5) of trend.
embodiment 4:
The preparation of bamboo grass leaf extract and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of bamboo grass extract
Get fresh leaf of bamboo blade of grass 50g to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 6.86.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in Figure 6.
When lower 0 ~ 10 DEG C of temperature, the adsorbance of bamboo grass ethanol extract PARA FORMALDEHYDE PRILLS(91,95) is less; In suddenly increasing trend between 10 ~ 20 DEG C, reaching maximum adsorption when 20 DEG C, reaching 3.9 μ g/mL; When 20 ~ 40 DEG C, the adsorbance of extract PARA FORMALDEHYDE PRILLS(91,95) is successively decreased, but still is greater than the adsorbance between 0 ~ 10 DEG C.
2) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in Figure 7.
The Relationship Comparison of reaction time and formaldehyde absorbing amount fluctuates, and in general trend, presents increasing trend before 30min; When 30min, formaldehyde absorbing amount reaches maximum, 3.05 μ g/mL; After 30min, its adsorbance declines gradually.
3) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Method is with embodiment 3.Experimental result as shown in Figure 8.
When pH is between 2 ~ 5, Trend Stationary; When pH is 5 ~ 7 time, adsorbance is increasing trend; Maximum is arrived, 4.35 μ g/mL when pH=7; And pH is neutral to alkali transition from 7 ~ 8() time falls suddenly.
embodiment 5:
The preparation of parthenocissus extract and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of parthenocissus extract
Get fresh Boston ivy leaf 50g to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 5.05.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in Figure 9.
When 0 DEG C ~ 20 DEG C, the adsorbance of Boston ivy ethanol extract PARA FORMALDEHYDE PRILLS(91,95) slowly increases; When 20 DEG C ~ 30 DEG C, adsorbance rises rapidly, reaches maximal absorptive capacity, 4.01ug/mL when 30 DEG C; After 30 DEG C, adsorption capacity declines gradually.
2) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in Figure 10.
In 0-30min, along with the growth in reaction time, the amount of the formaldehyde of absorption also presents the trend of growth; As 30min, adsorbance is maximum, is 4.11ug/mL; After 30min, adsorbance declines gradually.
3) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Method regulates pH2 with embodiment 3(, and 3,4,5,6,7).Experimental result as shown in figure 11.
The adsorbance of Boston ivy ethanol extract PARA FORMALDEHYDE PRILLS(91,95) fluctuates to some extent at pH2-4, is in ascendant trend afterwards, and as pH=5, adsorbance reaches maximum 4.16ug/mL; Adsorbance continues to decline afterwards.
embodiment 6:
The preparation of nettle extract and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of nettle extract
Get fresh folium urticae 50g to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 8.57.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 12.
Within the scope of measured temperature, the adsorbance of nettle ethanol extract PARA FORMALDEHYDE PRILLS(91,95) presents with the rising trend of temperature the trend first increasing and reduce afterwards, and occur peak value when temperature is 30 DEG C, absorption Cmax is 5.247ug/ml.Wherein increase trend at 5 DEG C ~ 10 DEG C comparatively mild, variation with temperature is more obvious afterwards.
2) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 13.
During 0 ~ 30min, formaldehyde absorbing value is in rising trend; 30 ~ 50min is in a plateau, and adsorption concentration fluctuates between 3.5-4.0ug/ml, when adsorption time is 45min, reaches maximal absorptive capacity, 3.894ug/ml; After 50min, there is slight downward trend.
3) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Method is with embodiment 3.Experimental result as shown in figure 14.
Under differential responses pH condition, the adsorption effect of nettle ethanol extract PARA FORMALDEHYDE PRILLS(91,95) is changed significantly.When in pH value 7 ~ 9 scope, formaldehyde absorbing amount presents obvious increasing trend; As pH=9, reach maximal absorptive capacity 5.347ug/ml; After pH value 9, formaldehyde absorbing amount presents obvious reduction generally.
embodiment 7:
The preparation of the blue extract of tiger fur and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of the blue extract of tiger fur
Get the blue leaf 50g of fresh tiger fur to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 6.32.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 15.
Temperature is within the scope of 0 DEG C ~ 20 DEG C, and the uptake change of the blue extract PARA FORMALDEHYDE PRILLS(91,95) of tiger fur is not obvious; 30 DEG C ~ 40 DEG C time, uptake raises with temperature and increases, and when 40 DEG C, assimilation effect is best, and extract formaldehyde adsorption concentration reaches 4.827ug/mL, and after 40 DEG C, uptake reduces gradually.
2) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 16.
When 15min ~ 20min, the uptake of the blue ethanol extract PARA FORMALDEHYDE PRILLS(91,95) of tiger fur extends along with soak time and increases; During 20min ~ 40min, the adsorbance of its PARA FORMALDEHYDE PRILLS(91,95) fluctuates among a small circle, and without significant change, as 45min, the adsorption concentration of extract PARA FORMALDEHYDE PRILLS(91,95) reaches maximum 4.257ug/mL; After 45min, its uptake declines gradually.
3) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Method is adjusted to 5,6,7,8,9 respectively with embodiment 3(pH).Experimental result as shown in figure 17.
Solution ph is in the scope of 5 ~ 8, and the uptake of the blue extract PARA FORMALDEHYDE PRILLS(91,95) of tiger fur raises with pH value and increases; PH value is in the scope of 8 ~ 9, and uptake raises with pH value and reduces; Work as pH=8, extract maximum adsorption concentration is 6.040ug/mL.
embodiment 8:
The preparation of shamrock extract and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of shamrock extract
Get fresh clover leaf 50g to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 6.24.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 18.
Temperature is within the scope of 0 DEG C ~ 40 DEG C, and the uptake of clover extract PARA FORMALDEHYDE PRILLS(91,95) raises with temperature and increases, and reaches maximum adsorption concentration of formaldehyde and reach 3.193ug/mL 40 DEG C time, and after 40 DEG C, uptake reduces gradually.
2) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 19.
When 10min ~ 45min, the uptake of clover ethanol extract PARA FORMALDEHYDE PRILLS(91,95) extends along with soak time and increases; During 45min, the adsorption concentration of extract PARA FORMALDEHYDE PRILLS(91,95) reaches maximum 3.564ug/mL; After 45min, its uptake declines gradually.
3) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Method is adjusted to 4,5,6,7,8 respectively with embodiment 3(pH).Experimental result as shown in figure 20.
Solution ph is in the scope of 4 ~ 6, and the uptake of clover extract PARA FORMALDEHYDE PRILLS(91,95) raises with pH value and increases; PH value is in the scope of 5 ~ 8, and uptake raises with pH value and reduces; Work as pH=6, extract maximum adsorption concentration is 3.168ug/mL.
embodiment 9:
The preparation of venushair fern extract and PARA FORMALDEHYDE PRILLS(91,95) adsorption experiment:
1) preparation of venushair fern extract
Get fresh venushair fern leaf 50g to pulverize, add 1000mL70% alcohol immersion and spend the night, ultrasonic wave hydrotropy extracts 1h, centrifugal filtration (10min1000r/min), and filtrate is through the micro-filtrate membrane filtration of 0.45 μm.Filtrate is collected in the brown bottle of 500mL, and is stored in refrigerator for subsequent use, and measuring pH is 6.34.
2) impact of reaction temperature PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 21.
Temperature is within the scope of 10 DEG C ~ 45 DEG C, and the uptake of venushair fern extract PARA FORMALDEHYDE PRILLS(91,95) raises with temperature and increases, and reaches maximum adsorption concentration of formaldehyde and reach 3.812ug/mL 45 DEG C time, and after 45 DEG C, uptake reduces gradually.
2) impact of reaction time PARA FORMALDEHYDE PRILLS(91,95) adsorption effect
Method is with embodiment 3.Experimental result as shown in figure 22.
When 5min ~ 75min, the uptake of venushair fern ethanol extract PARA FORMALDEHYDE PRILLS(91,95) extends along with soak time and increases; During 75min, the adsorption concentration of extract PARA FORMALDEHYDE PRILLS(91,95) reaches maximum 4.381ug/mL; After 75min, its uptake declines gradually.
3) impact of pH PARA FORMALDEHYDE PRILLS(91,95) adsorption effect is reacted
Method is adjusted to 5,6,7,8,9 respectively with embodiment 3(pH).Experimental result as shown in figure 23.
Solution ph is in the scope of 5 ~ 8, and the uptake of clover extract PARA FORMALDEHYDE PRILLS(91,95) raises in increase trend with pH value; PH value is after 8, and uptake raises with pH value and reduces; Work as pH=8, extract maximum adsorption concentration is 3.762ug/mL.
In summary, moraceae plants humulus grass (
humulusscandens(Lour.) Merr.), grass bamboo grass (
oplismenuscompositus(Linn.) Beauv.), vitaceae Boston ivy (
parthenocissustricuspidata), contrayerva nettle (
urticafissaE.Pritz), liliaceous plant tiger fur orchid (
sansevieriatrifasciataprain), legume clover (
trifoliumrepensl.), adiantaceae plant venushair fern (
adiantumcapillus-venerisl.) ethanol extract all has good suction-operated to formaldehyde in air, when extract concentrations is 0.1g/ml (in 1ml extract, the content of fresh plant is 0.1g), the maximum adsorption concentration of its PARA FORMALDEHYDE PRILLS(91,95) is respectively 4.42ug/mL, 4.35 μ g/mL, 4.16ug/mL, 5.35ug/ml, 6.04ug/mL, 3.56ug/mL, 4.38ug/mL.
Claims (5)
1. for a plant extracts for formaldehyde in absorbed air, it is characterized in that, the plant origin of described plant extracts is selected from one of the following or multiple: moraceae plants humulus grass (
humulusscandens(Lour.) Merr.), grass bamboo grass (
oplismenuscompositus(Linn.) Beauv.), vitaceae Boston ivy (
parthenocissustricuspidata), contrayerva nettle (
urticafissaE.Pritz), liliaceous plant tiger fur orchid (
sansevieriatrifasciataprain), legume clover (
trifoliumrepensl.), adiantaceae plant venushair fern (
adiantumcapillus-venerisl.).
2. plant extracts as claimed in claim 1, it is characterized in that, described plant extracts adopts the method comprising following steps to prepare: get fresh plant sample meal, soaks 24h by the different concentration ethanol of 30 times of quality, ultrasonic wave hydrotropy extracts 1h, filter, filter residue repeats said extracted process 2 times, filters, merge No. three extracts, centrifugal filtration (10min1000r/min), filtrate is through the micro-filtrate membrane filtration of 0.45 μm, and wherein ethanol used is the ethanol of 70%.
3. in claim 1-2, arbitrary described plant extracts is absorbing the purposes in formaldehyde in air.
4. in claim 1-2, arbitrary described plant extracts absorbs the application of the product in formaldehyde in air in preparation.
5. an application according to claim 4, wherein product exists with the form of spray agent, spray or solid aromatherapy.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969169A (en) * | 2016-06-30 | 2016-09-28 | 广州中海环保科技有限公司 | Natural environment-friendly paint |
| CN106582209A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Formaldehyde remover based on plant extract and preparation method of formaldehyde remover |
| CN106582207A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Formaldehyde remover based on plant extract and preparation method of formaldehyde remover |
| CN106582208A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Formaldehyde remover based on plant extract and preparation method of formaldehyde remover |
| CN107694003A (en) * | 2017-10-10 | 2018-02-16 | 广州市澳米环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN107792993A (en) * | 2016-08-31 | 2018-03-13 | 贝峰 | Method of wastewater treatment containing coal caused by steam power plant |
| CN107961765A (en) * | 2017-11-27 | 2018-04-27 | 清华大学 | A kind of adsorbent and its green economy preparation method and application |
| CN110354665A (en) * | 2019-06-19 | 2019-10-22 | 广州市鑫竹环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN112871095A (en) * | 2021-01-25 | 2021-06-01 | 蔓莎(苏州)工艺制品有限公司 | Solid champignon and preparation method thereof |
| CN113385011A (en) * | 2021-06-16 | 2021-09-14 | 杭州华好生物科技有限公司 | Smell removing agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810873A (en) * | 2010-03-09 | 2010-08-25 | 侯先槐 | Method for preparing natural plant deodorant |
-
2015
- 2015-07-13 CN CN201510405258.4A patent/CN105126778B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810873A (en) * | 2010-03-09 | 2010-08-25 | 侯先槐 | Method for preparing natural plant deodorant |
Non-Patent Citations (4)
| Title |
|---|
| 张淑娟等: "利用植物净化室内甲醛污染的研究进展", 《生态环境学报》 * |
| 朱启红等: "吊兰乙醇提取物对空气中甲醛的吸收效果研究", 《环境与健康杂志》 * |
| 王巍主编: "《健康花草》", 31 January 2010 * |
| 王永红主编: "《实用养花大全》", 31 March 2013 * |
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| CN105969169A (en) * | 2016-06-30 | 2016-09-28 | 广州中海环保科技有限公司 | Natural environment-friendly paint |
| CN107792993A (en) * | 2016-08-31 | 2018-03-13 | 贝峰 | Method of wastewater treatment containing coal caused by steam power plant |
| CN106582209A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Formaldehyde remover based on plant extract and preparation method of formaldehyde remover |
| CN106582207A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Formaldehyde remover based on plant extract and preparation method of formaldehyde remover |
| CN106582208A (en) * | 2016-12-22 | 2017-04-26 | 安徽乐金环境科技有限公司 | Formaldehyde remover based on plant extract and preparation method of formaldehyde remover |
| CN107694003A (en) * | 2017-10-10 | 2018-02-16 | 广州市澳米环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN107961765A (en) * | 2017-11-27 | 2018-04-27 | 清华大学 | A kind of adsorbent and its green economy preparation method and application |
| CN110354665A (en) * | 2019-06-19 | 2019-10-22 | 广州市鑫竹环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN112871095A (en) * | 2021-01-25 | 2021-06-01 | 蔓莎(苏州)工艺制品有限公司 | Solid champignon and preparation method thereof |
| CN113385011A (en) * | 2021-06-16 | 2021-09-14 | 杭州华好生物科技有限公司 | Smell removing agent |
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