CN106753791A - A kind of method for preparing cigarette extract of licorice root - Google Patents

A kind of method for preparing cigarette extract of licorice root Download PDF

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Publication number
CN106753791A
CN106753791A CN201611113935.6A CN201611113935A CN106753791A CN 106753791 A CN106753791 A CN 106753791A CN 201611113935 A CN201611113935 A CN 201611113935A CN 106753791 A CN106753791 A CN 106753791A
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temperature
licorice root
extract
licorice
pressure
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尹团章
张磊
庞登红
潘妮
王萍
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China Tobacco Hunan Industrial Co Ltd
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China Tobacco Hunan Industrial Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/0003Compounds of unspecified constitution defined by the chemical reaction for their preparation
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • A24B15/303Plant extracts other than tobacco
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/12Steaming, curing, or flavouring tobacco
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/02Recovery or refining of essential oils from raw materials
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/02Recovery or refining of essential oils from raw materials
    • C11B9/022Refining
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/02Recovery or refining of essential oils from raw materials
    • C11B9/025Recovery by solvent extraction
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/02Recovery or refining of essential oils from raw materials
    • C11B9/027Recovery of volatiles by distillation or stripping

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Botany (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

The present invention provides a kind of method for preparing cigarette extract of licorice root, and Radix Glycyrrhizae is cut into slices after high pressure swelling, then by supercritical CO2Extraction and molecular distillation obtain cigarette extract of licorice root.The inventive method improves the extraction yield of active ingredient in Radix Glycyrrhizae, and glycyrrhizic acid content is higher in the extract of licorice root for obtaining, and extract of licorice root is applied in cigarette, can play a part of abundant cigarette perfume, sweet flue gas, correction suction taste.

Description

A kind of method for preparing cigarette extract of licorice root
Technical field
The present invention relates to natural extraction and separation technology field, specifically a kind of method for preparing cigarette extract of licorice root.
Background technology
Radix Glycyrrhizae, Latin literary fame:Glycyrrhiza uralensis Fisch. alias:State is old, Herba Hedyotis cantonensis, sweet root, pulse family, Glycyrrhiza perennial herb, happiness is dark moist, and the low dry climate of sunshine temperature long is grown in arid, semiarid desert more Grassland, desert edge and loess hill area.Root and root-like stock hyoscine, root and the thick shape of root-like stock, are a kind of help Chinese herbal medicines. In cylindrical, 25~l00cm, 0.6~3.5cm of diameter long, crust is elastic to differ Medicinal Materials Characters root, surface rufous or greyish brown Color;In cylinder, there is bud scar on surface to rhizome, and there is marrow at section middle part.Gas is micro-, and taste is sweet and special.Radix Glycyrrhizae have invigorate the spleen and benefit qi, heat-clearing Removing toxic substances, expelling phlegm and arresting coughing, relieving spasm to stop pain, effect of coordinating the drug actions of a prescription.For weakness of the spleen and the stomach, lassitude hypodynamia, palpitation, phlegm of coughing Many, gastral cavity abdomen, four limbs contraction, carbuncle sore tumefacting virus alleviate drug toxicity, strong.Radix Glycyrrhizae also has anti-inflammatory, and anti-allergic effects can be protected The throat and tunica mucosa tracheae of inflammation of taking care of hair.
The fragrance of extract of licorice root is fresh and sweet herbal, is given off a strong fragrance, and persistently, aftertaste is soft for lasting.Current extract of licorice root Largely used in tobacco product, food, cosmetics, flavouring effect and flavoring effect are fairly obvious.It is especially mentioned that, Extract of licorice root is applied on tobacco product, can play a part of abundant cigarette perfume, sweet flue gas, correction suction taste.
Obtained by after directly concentration using solvent extraction method more than the current preparation for extract of licorice root, in this way The total extractives yield of licorice raw material is relatively low, and the different effective cause perfume component in Radix Glycyrrhizae can not be extracted fully, it is impossible to be filled Divide and utilize raw material.
The content of the invention
For current licorice the deficiencies in the prior art, the present invention provides a kind of side for preparing cigarette extract of licorice root Method, high pressure swelling, SCF-CO 2, molecular distillation technique are applied to the preparation of extract of licorice root, can improve extract of licorice root Yield and effective aroma component content, gained extract of licorice root is applied on tobacco, can play abundant cigarette perfume, sweet flue gas, The effect of taste is inhaled in correction, for the quality and the market competitiveness that lift extract of licorice root, promotes it to have weight in the application of flavouring essence for tobacco The meaning wanted.
A kind of method for preparing cigarette extract of licorice root, comprises the following steps:
1) high pressure swelling:Licorice tablet is put into pressure cooker, high pressure swelling, obtains licorice tablet boride, bulking pressure is 2 ~10MPa;
2) supercritical CO2Extraction:By step 1) the licorice tablet puff that obtains is put into supercritical CO2In extraction instrument, add Entrainer is extracted, and obtains licorice, wherein CO2Flow is 1~5Kg/h, and extracting pressure is 20~40MPa;
3) molecular distillation:By step 2) licorice of extraction injects the evaporative flask of molecular distillation equipment, and controls Preheating temperature processed be 35~50 DEG C, evaporating temperature be 45~80 DEG C, chilling temperature be -5~-30 DEG C, wriggling pump frequency be 5~ 50Hz, blade applicator rotating speed is 100~300rpm, and evaporating pressure is 0.5~30mbar, collects light component standby;
4) quadratic component distillation:By step 3) gained light component injects the evaporative flask of molecular distillation equipment, and control preheating Temperature is 40~55 DEG C, and evaporating temperature is 50~90 DEG C, and chilling temperature is -10~-35 DEG C, and wriggling pump frequency is 5~30Hz, is scraped Membrane device rotating speed is 60~200rpm, and evaporating pressure is 0.1~20mbar.
Preferably, the step 1) in by the licorice tablet that licorice segment is 0.5~1cm, be conducive to licorice tablet It is expanded.
Preferably, the step 1) in puffing time be 10~30 minutes, swelling temperature be 25~35 DEG C.
Preferably, the step 2) in extraction time be 1~5h, extraction temperature be 30~60 DEG C.
Preferably, the step 3) in molecular distillation to control preheating temperature be 35~50 DEG C, evaporating temperature It it is 45~80 DEG C, chilling temperature is -5~-30 DEG C, wriggling pump frequency is 5~50Hz, blade applicator rotating speed is 100~300rpm, is steamed Hair pressure is 0.5~30mbar.
Preferably, the step 4) in quadratic component distillation control preheating temperature be 40~55 DEG C, evaporating temperature It it is 50~90 DEG C, chilling temperature is -10~-35 DEG C, wriggling pump frequency is 5~30Hz, blade applicator rotating speed is 60~200rpm, is steamed Hair pressure is 0.1~20mbar.
Preferably, the step 1) in bulking pressure be 5Mpa, puffing time be 20 minutes, swelling temperature is 30 ℃。
Preferably, the step 2) in CO2Flow is 3Kg/h, and extracting pressure is 25MPa, and extraction time is 3h, Extraction temperature is 50 DEG C.
Preferably, the step 3) in molecular distillation control preheating temperature for 48 DEG C, evaporating temperature is 60 DEG C, chilling temperature is -10 DEG C, and wriggling pump frequency is 35Hz, and blade applicator rotating speed is 150rpm, and evaporating pressure is 10mbar.
Preferably, the step 4) in quadratic component distillation control preheating temperature be 45 DEG C, evaporating temperature is 70 DEG C, chilling temperature is -25 DEG C, and wriggling pump frequency is 20Hz, and blade applicator rotating speed is 100rpm, and evaporating pressure is 8mbar.
Preferably, the step 2) in entrainer be one kind in absolute ethyl alcohol or ethyl acetate.
Preferably, the step 2) in entrainer consumption for Radix Glycyrrhizae coupon weight 2~10%.
The advantage of the invention is that:
1st, high pressure swelling causes plant cell wall to crush, and increases the extraction efficiency of active ingredient, meanwhile, puffing technique is extracted Thing is low because of its Extracting temperature, can be sufficiently reserved the fragrance component in raw material.
2nd, the CO under supercriticality2Effective cause perfume component in Radix Glycyrrhizae can be dissolved out, then by reducing pressure Power makes CO2Gasify in non-critical state, the cause that is carried perfume component is just and CO2Separate, carried so as to reach the fragrant component of effectively cause Take the purpose of separation.The method extraction time is short, and recovery rate is higher, can carry out at low temperature, keeps some temperature sensitive flavor matters It is not subject to high temperature.
3rd, the pre-treatment of high pressure swelling technology, improves the extraction efficiency of Radix Glycyrrhizae, and glycyrrhizic acid contains in the extract of licorice root for obtaining Amount is high, effective cause perfume component different in abundant extract and separate raw material.The application of molecular distillation technique, to adapting to cigarette in Radix Glycyrrhizae Flavoring and casing composition realizes enrichment, improves its perfume quantity and product quality.
Brief description of the drawings
Fig. 1 is the GC-MS TICs of extract of licorice root prepared by alcohol extracting taking technique;
Fig. 2 is the GC-MS TICs of extract of licorice root prepared by the inventive method.
Specific embodiment
Below in conjunction with specific embodiment, the technical scheme in the present invention is clearly and completely described.
Embodiment one
1) Radix Glycyrrhizae section (1cm) 400g is weighed, is put into pressure vessel, at a temperature of 25 DEG C, pressure is risen into 8MPa, protected After holding 8 minutes, abrupt release pressure makes licorice tablet in puffy to normal pressure, standby;
2) weigh step 1) in the expanded licorice tablets of 200g be put into supercritical CO2In abstraction instrument, 6g absolute ethyl alcohols, setting are added CO2Flow is 1Kg/h, and extracting pressure is 25MPa, and extraction time is 2h, and extraction temperature is 50 DEG C, is clarified, transparent liquid Body is extract of licorice root.
3) extract of licorice root will be tentatively prepared, the evaporative flask of molecular distillation equipment is injected, and controls preheating temperature for 35 DEG C, steamed Hair temperature is 48 DEG C, and chilling temperature is -10 DEG C, and wriggling pump frequency is 35Hz, and blade applicator rotating speed is 150rpm, and evaporating pressure is 5mbar, collects extract of licorice root light component one, standby.
4) by a molecular distillation gained extract of licorice root light component one, the evaporative flask of molecular distillation equipment is injected, and control Preheating temperature is 45 DEG C, and evaporating temperature is 55 DEG C, and chilling temperature is -15 DEG C, and wriggling pump frequency is 10Hz, and blade applicator rotating speed is 90rpm, evaporating pressure is 10mbar, obtains extract of licorice root light component two, as extract of licorice root product.
Embodiment two
1) Radix Glycyrrhizae section (0.8cm) 300g is weighed, is put into pressure vessel, at a temperature of 28 DEG C, pressure is risen into 7MPa, After being kept for 10 minutes, abrupt release pressure makes licorice tablet in puffy to normal pressure, standby;
2) weigh step 1) in the expanded licorice tablets of 240g be put into supercritical CO2In abstraction instrument, 7g absolute ethyl alcohols, setting are added CO2Flow is 2Kg/h, and extracting pressure is 30MPa, and extraction time is 2h, and extraction temperature is 40 DEG C, is clarified, transparent liquid Body is extract of licorice root.
3) extract of licorice root will be tentatively prepared, the evaporative flask of molecular distillation equipment is injected, and controls preheating temperature for 38 DEG C, steamed Hair temperature is 50 DEG C, and chilling temperature is -7 DEG C, and wriggling pump frequency is 30Hz, and blade applicator rotating speed is 120rpm, and evaporating pressure is 6mbar, collects extract of licorice root light component one, standby.
4) by a molecular distillation gained extract of licorice root light component one, the evaporative flask of molecular distillation equipment is re-injected, and It is 45 DEG C to control preheating temperature, and evaporating temperature is 55 DEG C, and chilling temperature is -15 DEG C, and wriggling pump frequency is 15Hz, blade applicator rotating speed It is 80rpm, evaporating pressure is 10mbar, obtains extract of licorice root light component two, as extract of licorice root product.
Embodiment three
1) Radix Glycyrrhizae section (0.8cm) 300g is weighed, is put into pressure vessel, at a temperature of 28 DEG C, pressure is risen into 6MPa, After being kept for 12 minutes, abrupt release pressure makes licorice tablet in puffy to normal pressure, standby;
2) weigh step 1) in the expanded licorice tablets of 200g be put into supercritical CO2In abstraction instrument, 10g ethyl acetate is added, if Determine CO2Flow is 3Kg/h, and extracting pressure is 40MPa, and extraction time is 1.5h, and extraction temperature is 50 DEG C, is clarified, transparent Liquid be extract of licorice root.
3) extract of licorice root will be tentatively prepared, the evaporative flask of molecular distillation equipment is injected, and controls preheating temperature for 30 DEG C, steamed Hair temperature is 45 DEG C, and chilling temperature is -15 DEG C, and wriggling pump frequency is 30Hz, and blade applicator rotating speed is 200rpm, and evaporating pressure is 7mbar, collects extract of licorice root light component one, standby.
4) by a molecular distillation gained extract of licorice root light component one, the evaporative flask of molecular distillation equipment is re-injected, and It is 40 DEG C to control preheating temperature, and evaporating temperature is 55 DEG C, and chilling temperature is -20 DEG C, and wriggling pump frequency is 20Hz, blade applicator rotating speed It is 120rpm, evaporating pressure is 10mbar, obtains extract of licorice root light component two, as extract of licorice root product.
Example IV
1) Radix Glycyrrhizae section (0.5cm) 200g is weighed, is put into pressure vessel, at a temperature of 25 DEG C, pressure is risen into 7MPa, After being kept for 10 minutes, abrupt release pressure makes licorice tablet in puffy to normal pressure, standby;
2) weigh step 1) in the whole expanded licorice tablets of 200g be put into supercritical CO2In abstraction instrument, 12g acetic acid second is added Ester, sets CO2Flow is 4Kg/h, and extracting pressure is 30MPa, and extraction time is 1h, and extraction temperature is 55 DEG C, clarify, saturating Bright liquid is extract of licorice root.
3) extract of licorice root will be tentatively prepared, the evaporative flask of molecular distillation equipment is injected, and controls preheating temperature for 40 DEG C, steamed Hair temperature is 55 DEG C, and chilling temperature is -10 DEG C, and wriggling pump frequency is 30Hz, and blade applicator rotating speed is 160rpm, and evaporating pressure is 7mbar, collects extract of licorice root light component one, standby.
4) by a molecular distillation gained extract of licorice root light component one, the evaporative flask of molecular distillation equipment is re-injected, and It is 50 DEG C to control preheating temperature, and evaporating temperature is 60 DEG C, and chilling temperature is -15 DEG C, and wriggling pump frequency is 20Hz, blade applicator rotating speed It is 100rpm, evaporating pressure is 8mbar, obtains extract of licorice root light component two, as extract of licorice root product.
Embodiment five
1) Radix Glycyrrhizae section (0.8cm) 200g is weighed, is put into pressure vessel, at a temperature of 25 DEG C, pressure is risen into 8MPa, After being kept for 8 minutes, abrupt release pressure makes licorice tablet in puffy to normal pressure, standby;
2) weigh step 1) in the whole expanded licorice tablets of 200g be put into supercritical CO2In abstraction instrument, 15g acetic acid second is added Ester, sets CO2Flow is 4Kg/h, and extracting pressure is 30MPa, and extraction time is 1h, and extraction temperature is 55 DEG C, clarify, saturating Bright liquid is extract of licorice root.
3) extract of licorice root will be tentatively prepared, the evaporative flask of molecular distillation equipment is injected, and controls preheating temperature for 40 DEG C, steamed Hair temperature is 55 DEG C, and chilling temperature is -15 DEG C, and wriggling pump frequency is 30Hz, and blade applicator rotating speed is 160rpm, and evaporating pressure is 7mbar, collects extract of licorice root light component one, standby.
4) by a molecular distillation gained extract of licorice root light component one, the evaporative flask of molecular distillation equipment is re-injected, and It is 50 DEG C to control preheating temperature, and evaporating temperature is 60 DEG C, and chilling temperature is -10 DEG C, and wriggling pump frequency is 15Hz, blade applicator rotating speed It is 100rpm, evaporating pressure is 8mbar, obtains extract of licorice root light component two, as extract of licorice root product.
1st, the physical index such as table 1 of extract of licorice root prepared by the inventive method:
The physical index of extract of licorice root prepared by the inventive method of table 1
Title Extract of licorice root
Outward appearance Clarification brown liquid
Fragrance Herbal that Radix Glycyrrhizae is fresh and sweet, cream are fragrant and sweet
Relative density (20/20 DEG C) 1.1880
Refraction index (20 DEG C) 1.4530
Miscible degree (25 DEG C) 1ml samples are dissolved in 70% alcoholic solution of 20ml
Lead content (mg/Kg) in heavy metal ≤4
Arsenic content (mg/Kg) in heavy metal ≤1
2nd, cigarette is tested with Contrast on effect:
The difference of cigarette extract of licorice root prepared by the cigarette extract of licorice root and common process prepared for clear and definite the inventive method, Both are contrasted.
Control group is the extract of licorice root extracted using common process;Extraction process is:Weigh 200.0g Radix Glycyrrhizaes section (1cm Left and right), it is put into 2000ml flasks, add the ethanol that 1000ml volume fractions are 70%, refluxing extraction 3 hours, low temperature concentration It is about 1.2 to relative density, crosses 80 mesh miillpore filter 2 times, obtains final product extract of licorice root.
Experimental group is the extract of licorice root of the inventive method.
1) extract of licorice root prepared by two methods is added in cigarette shreds carries out sensory effects and smokes panel test evaluation:
The medicinal extract of 0.02g is weighed, (addition of the spices in pipe tobacco is 100ppm, solvent in being added to the pipe tobacco of 200g It is the ethanol that volume fraction is 70%), after being sealed with sealed plastic bag, balanced 0.5 hour in 60 DEG C of baking oven, then roll Into cigarette, in 25~28 DEG C of temperature, humidity is to balance more than 2 hours under conditions of 50~60%, asks 7 specialties to be smoked panel test people at random Member carries out Turkish tobaccos effect assessment as evaluation group.Evaluation result such as table 2:
Extract of licorice root cigarette effect assessment prepared by 2 two kinds of techniques of table
2) volatile and semi-volatile compounds are analyzed in the extract of licorice root prepared to two methods:
Chromatographic condition GC/MS conditions are:
Chromatographic column HP-5MS (50m × 0.25mm × 0.25 μm) capillary column;Injector temperature:250℃;Splitless injecting samples; Carrier gas:He;Volume flow:1mL/min;Heating schedule:It is raised to 250 DEG C (5min) with 5 DEG C/min from 50 DEG C (1min);Transmission line Temperature:250℃;Ion gun:EI sources;Electron energy:70eV;50~650amu of sweep limits;Composed using WILEY and MINILAB Retrieved in storehouse.
Sample processing conditions:Simultaneous distillation treatment is carried out with dichloromethane, is concentrated into after 1-1.5ml and is taken filtrate and enter Row GC-MS is analyzed.Analysis gained GC-MS TICs are as depicted in figs. 1 and 2.
In extract of licorice root major volatile constituents be dimethoxyethyl phthalate, phthalic acid two (2- ethyls) oneself Ester, 5- (1- piperidines) -2 furan carboxyaldehyde, furfural, 5 methyl furfural, triethyl citrate, phenylacetaldehyde, furfuryl alcohol, 2- acetyl group furans Mutter, 2- acetyl group-Isosorbide-5-Nitrae, 5,6- tetrahydropyridines etc., for main component glycyrrhizic acid, the glycyrrhizic acid prepared by the present invention is 10.34%, prepared by conventional alcohol extraction process is 8.62%, improves 19.95%.
Extract of licorice root is analyzed through GC-MS, is composed storehouse by WILEY and MINILAB and is retrieved, Radix Glycyrrhizae leaching prepared by the present invention Cream identifies 37 kinds of compounds, and extract of licorice root prepared by common process identifies 29 kinds, the extract of licorice root prepared using the present invention In increased 8 kinds of compounds.
The various chemical compositions and its peak area percent content of extract of licorice root prepared by two kinds of techniques are determined, be the results are shown in Table 3, as shown in Table 3, the volatile ingredient appearance time of extract of licorice root prepared by common process is concentrated mainly on 4.17- 35.15min, predominantly effumability composition and volatile ingredient;Volatile ingredient is main in extract of licorice root prepared by the present invention 4.17-43.48min, predominantly medium volatile composition and volatile ingredient are concentrated on, and chemical composition species is abundant.
Extract of licorice root volatile ingredient comparison sheet prepared by 3 two kinds of techniques of table
It is a kind of efficient method of comparing that the puffing technique raw material comparatively dense to institutional framework carries out extraction.Its principle It is that after raw material is placed in puffing apparatus, with heating, the carrying out of pressurization, the hydrone in raw material is in superheat state, and raw material is in itself Become soft, open that puffing apparatus lid is wet when reaching certain high pressure, high pressure rapidly goes to normal pressure, is at this moment superheat state in raw material Moisture just there is violent explosion in instant vaporization quickly, inflatable about 2000 times of hydrone, the huge bulbs of pressure are broken Bad plant cell wall, raw material becomes loose porous.Puffing technique extract is low because of its Extracting temperature, is sufficiently reserved the perfume (or spice) in raw material Gas composition, increases the extraction efficiency of active ingredient, therefore it is suitable for the tobacco aromaticss of the fine and close raw material of the institutional frameworks such as Radix Glycyrrhizae Extraction.
Supercritical CO2Extraction (SFE), can be close to room temperature condition used as a kind of extraction process of new type natural spices Extracted under (30-40 DEG C) and CO2 gases, effectively prevented the oxidation and dissipation of heat-sensitive material, therefore be particularly suitable for heat The separation of unstability natural products and physiological activator and refined, preparation and production tide in accordance with the natural spices of note Stream.
Molecular distillation is a kind of special liquid -- liquid isolation technics, and it is different from Conventional espresso and separates original by boiling-point difference Reason, but realize separating by the difference of different material molecular tools, it is more than weight molecule that its operation principle is Free path and be less than at light molecular free path one cryosurface of setting, light molecule is constantly condensate on cryosurface, weight molecule by Slipped out along evaporating surface in cryosurface is not reached, so as to separate weight molecule, molecular weight differences are bigger, and separating effect is more obvious.Point The more conventional distillation of son distillation has significant advantage:Vapo(u)rizing temperature is low, and heated time is short, and material will not be damaged in itself, because This is adapted to be effectively separated higher boiling, thermal sensitivity, oxidizable material;Distillation pressure is small, vacuum is high, it is to avoid readily oxidizable substance The oxidation Decomposition of matter;Additionally, whole the evaporating also of molecule has that separation degree is high, product recovery rate is high, separate it is irreversible, it is existing without boiling As, it is simple to operate, the characteristics of clean environment firendly.Molecular distillation equipment is expensive, but product power consumption is small, once configuration will be saved significantly Save energy consumption.
The present invention is by high pressure swelling, supercritical CO2Extraction, molecular distillation technique are applied to the preparation of extract of licorice root, improve The content of its active ingredient, for the quality and the market competitiveness that lift extract of licorice root, promotes it to have in the application of flavouring essence for tobacco Important meaning.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Belong to those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (10)

1. a kind of method for preparing cigarette extract of licorice root, it is characterised in that comprise the following steps:
1) high pressure swelling:Licorice tablet being put into pressure cooker, high pressure swelling, obtain licorice tablet boride, bulking pressure is 2~ 10MPa;
2) supercritical CO2Extraction:By step 1) the licorice tablet puff that obtains is put into supercritical CO2In extraction instrument, entrainment is added Agent is extracted, and obtains licorice, wherein CO2Flow is 1~5Kg/h, and extracting pressure is 20~40MPa;
3) molecular distillation:By step 2) licorice of extraction injects the evaporative flask of molecular distillation equipment, and control pre- Hot temperature is 35~50 DEG C, and evaporating temperature is 45~80 DEG C, and chilling temperature is -5~-30 DEG C, and wriggling pump frequency is 5~50Hz, Blade applicator rotating speed is 100~300rpm, and evaporating pressure is 0.5~30mbar, collects light component standby;
4) quadratic component distillation:By step 3) gained light component injects the evaporative flask of molecular distillation equipment, and control preheating temperature It it is 40~55 DEG C, evaporating temperature is 50~90 DEG C, chilling temperature is -10~-35 DEG C, wriggling pump frequency is 5~30Hz, blade applicator Rotating speed is 60~200rpm, and evaporating pressure is 0.1~20mbar.
2. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 1) in by licorice Segment is the licorice tablet of 0.5~1cm.
3. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 1) in puffing time It it is 10~30 minutes, swelling temperature is 25~35 DEG C.
4. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 2) in extraction time It is 1~5h, extraction temperature is 30~60 DEG C.
5. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 3) in a molecule It is 35~50 DEG C that distillation controls preheating temperature, and evaporating temperature is 45~80 DEG C, and chilling temperature is -5~-30 DEG C, wriggling pump frequency It is 5~50Hz, blade applicator rotating speed is 100~300rpm, and evaporating pressure is 0.5~30mbar.
6. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 4) in quadratic component It is 40~55 DEG C that distillation controls preheating temperature, and evaporating temperature is 50~90 DEG C, and chilling temperature is -10~-35 DEG C, wriggling pump frequency It is 5~30Hz, blade applicator rotating speed is 60~200rpm, and evaporating pressure is 0.1~20mbar.
7. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 1) in bulking pressure It is 5Mpa, puffing time is 20 minutes, and swelling temperature is 30 DEG C.
8. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 2) in CO2Flow is 3Kg/h, extracting pressure is 25MPa, and extraction time is 3h, and extraction temperature is 50 DEG C.
9. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 3) in a molecule It is 48 DEG C that distillation controls preheating temperature, and evaporating temperature is 60 DEG C, and chilling temperature is -10 DEG C, and wriggling pump frequency is 35Hz, blade applicator Rotating speed is 150rpm, and evaporating pressure is 10mbar.
10. the method for preparing cigarette extract of licorice root as claimed in claim 1, it is characterised in that:The step 4) in secondary point It is 45 DEG C that son distillation controls preheating temperature, and evaporating temperature is 70 DEG C, and chilling temperature is -25 DEG C, and wriggling pump frequency is 20Hz, knifing Device rotating speed is 100rpm, and evaporating pressure is 8mbar.
CN201611113935.6A 2016-12-07 2016-12-07 A kind of method for preparing cigarette extract of licorice root Pending CN106753791A (en)

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CN107232640A (en) * 2017-07-04 2017-10-10 武汉黄鹤楼香精香料有限公司 A kind of preparation method and applications of cigarette Chinese pear-leaved crabapple medicinal extract
CN112190607A (en) * 2020-10-21 2021-01-08 鹰潭华宝香精有限公司 Method for preparing licorice concentrate
CN115211492A (en) * 2022-06-07 2022-10-21 圣道生物技术(山东)有限公司 Stress relieving medicine for resisting stress and promoting growth of livestock and poultry and preparation method and application thereof

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CN105779128A (en) * 2016-03-30 2016-07-20 浙江中烟工业有限责任公司 Cigarette product with high sensorial comfort level
CN105861154A (en) * 2016-03-30 2016-08-17 浙江中烟工业有限责任公司 A method of directionally separating aroma substances from tobacco by utilizing supercritical extraction and molecule distillation and applications of the aroma substances

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CN104450190A (en) * 2014-12-03 2015-03-25 湖北中烟工业有限责任公司 Method for preparing chamomile extract for tobaccos
CN104946397A (en) * 2015-06-19 2015-09-30 湖北中烟工业有限责任公司 Method for extracting vanilla extract used for tobacco through high-pressure puffing of supercritical CO2
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107232640A (en) * 2017-07-04 2017-10-10 武汉黄鹤楼香精香料有限公司 A kind of preparation method and applications of cigarette Chinese pear-leaved crabapple medicinal extract
CN112190607A (en) * 2020-10-21 2021-01-08 鹰潭华宝香精有限公司 Method for preparing licorice concentrate
CN115211492A (en) * 2022-06-07 2022-10-21 圣道生物技术(山东)有限公司 Stress relieving medicine for resisting stress and promoting growth of livestock and poultry and preparation method and application thereof
CN115211492B (en) * 2022-06-07 2024-04-19 圣道生物技术(山东)有限公司 Stress-resistant growth-promoting stress-relieving medicine for livestock and poultry, and preparation method and application thereof

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Application publication date: 20170531