CN105661630A - Application of sophorolipid - Google Patents
Application of sophorolipid Download PDFInfo
- Publication number
- CN105661630A CN105661630A CN201610016132.2A CN201610016132A CN105661630A CN 105661630 A CN105661630 A CN 105661630A CN 201610016132 A CN201610016132 A CN 201610016132A CN 105661630 A CN105661630 A CN 105661630A
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- Prior art keywords
- sophorolipid
- humectant
- tobacco
- nicotiana tabacum
- acid type
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/36—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring
- A24B15/40—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms
- A24B15/403—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms
Abstract
The invention discloses application of sophorolipid. Serving as a microbial source bi-directional humectant having a physical moisture retention damp-proof function and an aroma enhancement function, the humectant is natural, non-toxic and harmless. Sophorolipid comprises any one of lactone type sophorolipid and acid type sophorolipid or mixture of lactone type sophorolipid and acid type sophorolipid. The humectant can be applied to cigarettes, tobacco shreds, tobacco sheets and other tobacco products. The humectant is evenly sprayed on the tobacco shreds, the spraying proportion is 0.05%-2.0% of the weight of the tobacco shreds, and the humectant has effects of obviously retaining tobacco shred moisture under low humidity conditions and obviously controlling moisture increase under high humidity conditions; the moisture retention and dampproof effect is more excellent than that of propylene glycol and glycerin, and the humectant is an excellent natural bi-directional humectant.
Description
One, technical field
The present invention relates to the purposes of a kind of sophorolipid, use as two-way tobacco humectant in Nicotiana tabacum L., belong to Nicotiana tabacum L. humectation processing technique field.
Two, background technology
The suction quality of cigarette products, safety and price are to determine that consumer selects the principal element whether bought. Humid keeping performance of tobacco is to Medicated cigarette resist processing, Medicated cigarette fragrance and suction comfort level important. China's different regions weather conditions differ greatly, even if under the premise that humid keeping performance is certain, the Medicated cigarette of same brand is also bigger in the sense organ comfort level difference of different time and area. Therefore find and how substantially to control moisture in cut tobacco (include low humidity and improve lock outlet capacity and high humidity reduction water absorbing capacity) and improve the tobacco humectant aspirating comfort level just to become tobacco business problem demanding prompt solution.
The humectant that China's tobacco enterprise commonly uses at present mostly is hydroxy alcohols, such as propylene glycol, glycerol, xylitol, sorbitol etc., it reduces the volatilization of moisture by forming hydrogen bond with hydrone or traps the moisture in air, thus keeping the relatively stable of moisture content. Although above-mentioned humectant has certain humectation, but its use still suffers from some problems. As: it mostly is unidirectional humectant, not there is humidity resistance; Propylene glycol etc. are mainly petrochemicals, produce the materials such as tar after burning; Produced by the combustion decomposition such as glycerol, acrylic aldehyde etc. can affect suction quality etc.
Along with the intensification day by day that the problems such as resource, environment, health are recognized by the mankind, people increasingly pay attention to the development and utilization of natural materials. From nature, obtain natural active matter and by it according to rational PROCESS FOR TREATMENT and add in production of cigarettes process, to improve Nicotiana tabacum L. physical property, strengthen its resist processing, improve its humectation and moisture protection is our goal in research.
In recent years, the relevant report having the natural humectants such as plant extract class, polysaccharide, starch based both at home and abroad occurs. But having reported that the raw material of humectant mostly is plant origin, the relevant report of the development and utilization of microbe-derived humectant is also less. Microorganism is as a rich in natural resources storehouse, there is huge developing and utilizingpotentiality, develop microbial source cigarette humectant safely and efficiently, particularly cheap and the two-way humectant of cigarette flavor function can be strengthened, it is the important topic of Nicotiana tabacum L. humectation industry, there is certain theory and using value.
Three, summary of the invention
It is desirable to provide the purposes of a kind of sophorolipid, as the two-way humectant of microbial source with physics humectation moisture-proof function and flavouring function, this humectant is natural, nontoxic.
The purposes of sophorolipid of the present invention, it is possible to use as the two-way humectant of Nicotiana tabacum L., there is humectation moisture-proof function simultaneously.
Sophorolipid of the present invention is the molecular mixture of a series of sophorolipids obtained by fermentable, and the common trait of these sophorolipid molecules is that molecule forms by hydrophilic parts and hydrophobic parts. Wherein hydrophilic parts is sophorose, by two molecule glucoses with β-1,2 glycosidic bonds combine and are formed, and hydrophobic parts is saturated or undersaturated long-chain omega-(or ω-) hydroxy fatty acid, these two parts are connected with β-glycosidic bond, are broadly divided into lactone type and the big class of acid type two. This compounds obtains mainly through fermentable. Sophorolipid of the present invention its there is burnt sweet taste, and containing multiple flavor matter same or similar with tobacco spice in its pyrolysis product, flue gas richness can be effectively improved and improve Tianjin moisture feeling.
Described sophorolipid includes any one or its mixture in lactone type sophorolipid, acid type sophorolipid.
The structural formula of described lactone type sophorolipid is:
Wherein R1For H or Ac, R2For H or Ac, R3For H or CH3。
The structural formula of described acid type sophorolipid is:
Wherein R1For H or Ac, R2For H or Ac, R3For H or CH3。
The preparation of lactone type sophorolipid of the present invention and acid type sophorolipid comprises the steps:
By yeast 30 DEG C, 220rpm condition bottom fermentation cultivate 5 days, wherein fermentation medium consists of: glucose 6wt%, Na2HPO4·12H2O0.1wt%, MgSO4·7H2O0.05wt%, KH2PO40.1wt%, oleic acid 6wt%, yeast powder 0.3wt%; Subsequently by fermentation liquor two volumes extraction into ethyl acetate, upper organic phase is washed 2 times with normal hexane after 50 DEG C of decompression distillations, obtains faint yellow blocks of solid then through 50 DEG C of distillations of reducing pressure, is lactone type sophorolipid, for lactone type sophorolipid mixture; Lower floor's aqueous phase mixes with the ethanol whirlpool of two volumes, centrifuging and taking supernatant, washs 2 times with normal hexane, obtain dark brown viscous shape liquid then through 50 DEG C of drying under reduced pressure, be acid type sophorolipid, for acid type sophorolipid mixture after decompression distillation.
Described yeast intends candida mycoderma (Candidabombicola) selected from ball, candida mycoderma (Candidaapicola), Pueraria lobota Roche torulopsis (Torulopsisgropengiesseri), torulopsis (Torulopsisbombicola), candidiasis bogoriensis (Candidabogoriensis), intend Brunswick yeast (Wickerhamielladomercqiae), Pichia anomala (Pichiaanomala), Batista candidiasis (Candidabatistae), candidiasis riodocensis (Candidariodocensis), the sophorolipid producing strains such as star torulopsis (Candidastellate) and torulopsis Y-27208 (Candidasp.Y-27208), it is preferably ball intend candida mycoderma (Candidabombicola) or intend Brunswick yeast (Wickerhamielladomercqiae).
The two-way humectant of sophorolipid of the present invention is used for Nicotiana tabacum L. protection against the tide humectation, and described Nicotiana tabacum L. mainly includes Medicated cigarette, tobacco shred, reconstituted tobacoo etc.
Preferably, described tobacco shred is cut tobacco, expanded cut tobacco, stem etc.
When the two-way humectant of sophorolipid of the present invention is for Nicotiana tabacum L. protection against the tide humectation, can independent or composite use, its addition manner is uniformly spray after wiring solution-forming.
The 0.01-5.0% that consumption is Nicotiana tabacum L. weight when the two-way humectant of sophorolipid of the present invention is for Nicotiana tabacum L. protection against the tide humectation, it is preferred that addition is the 0.05-2.0% of Nicotiana tabacum L. weight.
Compared with prior art, present invention have the advantage that
(1) according to the method for regulation in YC/T28.8-1996 " the mensuration moisture of Medicated cigarette physical property ", the humectation of humectant of the present invention, moisture effect are substantially better than the tradition humectants such as propylene glycol, glycerol or sorbitol, and be two-way humectant, there is physics humectation and moistureproof double effects.
(2) sophorolipid pyrolysis experiment shows in this humectant pyrolysis product containing multiple aroma component same or similar with tobacco spice composition, with Nicotiana tabacum L., there is good compatibility, there is the effect improving flue gas richness, play the effect of flavouring to a certain extent.
(3) the compound sophorolipid of the present invention belongs to the glycolipid compound that fermentable obtains, and is different from conventional polyol class tobacco humectant, has started microbial source glycolipid compound new opplication in Nicotiana tabacum L. humectation.
(4) the raw materials of compound abundance of the present invention and nontoxic, preparation technology is simple, cheap, easy to use. Adding technology is simple simultaneously, does not change existing cigarette producing process.
(5) application of such humectant can be improved the core competitiveness of enterprise, and brings certain economic benefit for enterprise.
Four, accompanying drawing explanation
Fig. 1 is humid keeping performance (A, 22 DEG C, RH40%) and humidity resistance (B, 22 DEG C, the RH80%) comparison diagram of the lower four kinds of humectants of Different adding amount.
Fig. 2 is the two-way humectant of sophorolipid of the present invention and the surface micro-structure scanning electron microscopic picture of tradition humectant cigarette sample. Wherein A, B, C, D respectively correspondence adds the cigarette sample of lactone type sophorolipid, acid type sophorolipid, propylene glycol and glycerol, the amplification on left side and right side respectively 300 × and 2000 ×.
Five, detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but drawings and Examples are not limited to the technical solution.
Embodiment 1: preparation
Gained sophorolipid for intend Brunswick yeast (Wickerhamielladomercqiae) 30 DEG C, 220rpm when, 5 days gained of fermentation culture. Wherein fermentation medium consists of: glucose 6wt%, Na2HPO4·12H2O0.1wt%, MgSO4·7H2O0.05wt%, KH2PO40.1wt%, oleic acid 6wt%, yeast powder 0.3wt%; Subsequently by fermentation liquor two volumes extraction into ethyl acetate, upper organic phase is washed 2 times with normal hexane after 50 DEG C of decompression distillations, obtains faint yellow blocks of solid then through 50 DEG C of distillations of reducing pressure, is lactone type sophorolipid; Lower floor's aqueous phase mixes with the ethanol whirlpool of two volumes, centrifuging and taking supernatant, washs 2 times with normal hexane, obtain dark brown viscous shape liquid then through 50 DEG C of drying under reduced pressure, be acid type sophorolipid after decompression distillation.
Embodiment 2: application
1, humectation protection against the tide experiment
Add in tobacco shred according to the ratio of tobacco quality 0.1% respectively with the lactone type sophorolipid of embodiment 1 preparation and acid type sophorolipid, to add the tobacco sample of equivalent propylene glycol and glycerol as comparison. Then the tobacco sample after processing is divided into two parts, be respectively placed in 22 DEG C, RH40% and 22 DEG C, RH80% climatic chamber in, separated in time is weighed 1 time, measures tobacco shred water-cut variation situation in 48h. With the time for abscissa, sample moisture content is vertical coordinate, draws the time dependent plot of water cut of sample, and final moisture content is in Table 1 and Fig. 1.
Improving the consumption of lactone type sophorolipid and acid type sophorolipid to 0.2%, 0.3%, 0.4%, 0.5%, other operations are constant, investigate its humectation moisture effect, and result is shown in Fig. 1.
Data show, when humectant adds 0.1%, 22 DEG C, RH40% when, 0-24h, four no significant differences, 24-48h, moisture content tends towards stability, and it by humectant impact effect is: lactone type > acid type > propylene glycol > glycerol, lactone type sophorolipid has significant advantage (Figure 1A);22 DEG C, RH80% when, moisture content of cut tobaccos after sophorolipid process increases slower in time, 48h moisture content shows glycerol > lactone type > propylene glycol > acid type, and namely acid type sophorolipid humidity resistance is preferably (Figure 1B).
When humectant adds 0.2%, 22 DEG C, RH40% when, four moisture content all slowly decline, no significant difference, during 48h, the humectation effect of acid type humectant preferably (Figure 1A); 22 DEG C, RH80% when, 0-48h, moisture content of cut tobaccos moisture effect is substantially better than other threes by acid type sophorolipid, and finally moisture content shows themselves in that glycerol > propylene glycol > acid type > lactone type, wherein lactone type sophorolipid almost identical with the moisture effect of acid type sophorolipid (Figure 1B).
When humectant adds 0.3%, 22 DEG C, RH40% when, 0-18h, moisture content declines rapidly, tending towards stability subsequently, four kinds of Sample equilibration moisture content show as acid type > glycerol > propylene glycol > lactone type (Figure 1A); 22 DEG C, RH80% when, test sample moisture content rises rapidly in 0-24h, and final 48h equilibrium moisture content shows as glycerol > lactone type > propylene glycol > acid type. To sum up, when addition is 0.3%, acid type sophorolipid has good protection against the tide, humectation effect, and is better than tradition humectant (Figure 1B).
When humectant adds 0.4%, 22 DEG C, RH40% when, the final equilibrium moisture content of sample shows as lactone type > propylene glycol > acid type > glycerol (Figure 1A); 22 DEG C, RH80% when, in 0-5h, four moisture content rapid increase, no significant difference, 5-48h, acid type sophorolipid moisture content is substantially less than other three, humidity resistance preferably (Figure 1B).
When humectant adds 0.5%, 22 DEG C, RH40% when, in 5-20h, lactone type moisture content reduces speed significantly lower than other threes, final moisture content shows as acid type > lactone type > glycerol > propylene glycol, then under this condition, the humid keeping performance of sophorolipid is better than tradition humectant (Figure 1A); 22 DEG C, RH80% when, during 48h, moisture content shows as glycerol > acid type > lactone type > propylene glycol (Figure 1B).
In sum, the humectation effect of acid type sophorolipid is better, and optimum addition is 0.3%, it is adaptable to the Arid Areas such as the north; The moisture effect of acid type sophorolipid is better, and optimum addition is 0.1%, is more suitable for the humid areas such as south.
2, pyrolysis experiment
Thermal cracking-gas chromatograph-GC-MS (Py-GC/MS) is used to measure and analyze sophorolipid cracking component at 900 DEG C. Weigh lactone type sophorolipid and each 2.0mg of acid type sophorolipid that preparation embodiment prepares, be respectively placed in cracking sample introduction needle tubing, after air-flow is steady, at 900 DEG C, carry out cracking component analysis experiment.
Cracking experiments show that, when in amount, sophorolipid cracks at 900 DEG C, containing multiple substantial amounts of aroma component (table 2), its result is same or similar with Nicotiana tabacum L. flavor matter. Illustrate that sophorolipid and Nicotiana tabacum L. have good compatibility, the quality of flue gas can be improved. 3, scanning electron microscope
Taking in humid keeping performance of tobacco experiment is the tobacco shred under 0.3% condition at RH60%, humectant addition, is cut into segment, is fixed on object stage with electric conductivity adhesive tape by tobacco shred, vacuum metal spraying (80s). Take pictures with JSM-6490LV type tungsten filament sem observation. Electronic Speculum running voltage is 20kv, and each cigarette sample is taken pictures for tobacco leaf surface microstructure analysis respectively at 300,2000 times.
Result is shown in Fig. 2, the Nicotiana tabacum L. upper epidermis electron microscopic picture after different humectants process, it is possible to finds that micro-surface relief of Nicotiana tabacum L. is uneven, there is substantial amounts of irregular groove texture structure, and leaf epidermal cell presents cutin sense, and pore shape and distribution are clearly.Wherein, tobacco shred (Fig. 2 A) the interior tissue fold adding lactone type sophorolipid humectant is relatively deep, and pore quantity significantly reduces, but space is bigger to each other; Tobacco shred (Fig. 2 B, 2C, 2D) interior tissue adding its excess-three kind humectant is relatively smooth. Stomatal width and area size order be: < < < glycerol, this result is consistent propylene glycol acid type sophorolipid lactone type sophorolipid with physics humid keeping performance comparative result, proves that sophorolipid humectant is more conducive to the humectation of tobacco shred compared to tradition tobacco humectant further.
The various humectants final moisture content in 48h under table 1 Different adding amount
(900 DEG C) cracking comparison of ingredients analysis of table 2 lactone type sophorolipid and acid type sophorolipid
Below it is only the section Example of the present invention, it is worth mentioning at this point that, above-described embodiment is not construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with claim limited range. For those skilled in the art, without departing from the spirit and scope of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. the purposes of a sophorolipid, it is characterised in that: described sophorolipid uses as the two-way humectant of Nicotiana tabacum L., has humectation moisture-proof function simultaneously.
2. purposes according to claim 1, it is characterised in that: described sophorolipid also has flavouring function.
3. purposes according to claim 1, it is characterised in that: described sophorolipid includes any one or its mixture in lactone type sophorolipid, acid type sophorolipid.
4. purposes according to claim 3, it is characterised in that the structural formula of described lactone type sophorolipid is:
Wherein R1For H or Ac, R2For H or Ac, R3For H or CH3。
5. purposes according to claim 3, it is characterised in that the structural formula of described acid type sophorolipid is:
Wherein R1For H or Ac, R2For H or Ac, R3For H or CH3。
6. purposes according to claim 1, it is characterised in that: described Nicotiana tabacum L. includes Medicated cigarette, tobacco shred, reconstituted tobacoo etc.
7. purposes according to claim 1, it is characterised in that: using method when described sophorolipid uses as the two-way humectant of Nicotiana tabacum L. is uniformly be sprayed on Nicotiana tabacum L. surface after wiring solution-forming.
8. purposes according to claim 1, it is characterised in that: the 0.01-5.0% that consumption is Nicotiana tabacum L. weight when described sophorolipid uses as the two-way humectant of Nicotiana tabacum L..
9. purposes according to claim 8, it is characterised in that: the 0.05-2.0% that consumption is Nicotiana tabacum L. weight when described sophorolipid uses as the two-way humectant of Nicotiana tabacum L..
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| CN107737340A (en) * | 2017-11-30 | 2018-02-27 | 合肥工业大学 | A kind of application of pharmaceutic adjuvant sophorolipid in field of medicaments |
| CN109689854A (en) * | 2016-09-08 | 2019-04-26 | 轨迹Ip有限责任公司 | For efficiently produce and using microbial source composition distributed system |
| CN110074450A (en) * | 2019-04-12 | 2019-08-02 | 云南中烟工业有限责任公司 | A kind of purposes of low hlb sucrose fatty ester in tobacco |
| CN110167347A (en) * | 2016-10-07 | 2019-08-23 | 赢创德固赛有限公司 | Composition comprising glycolipid and preservative |
| CN110325623A (en) * | 2017-02-07 | 2019-10-11 | 轨迹石油Ip有限责任公司 | For reducing the material and method of the viscosity of petroleum |
| CN113966378A (en) * | 2019-06-11 | 2022-01-21 | 莎罗雅株式会社 | Composition containing acidic sophorolipid with browning suppressed |
| CN115088720A (en) * | 2022-05-24 | 2022-09-23 | 合肥工业大学 | Sophora japonica lipid-based duckweed pesticide |
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| CN109689854A (en) * | 2016-09-08 | 2019-04-26 | 轨迹Ip有限责任公司 | For efficiently produce and using microbial source composition distributed system |
| US11959062B2 (en) | 2016-09-08 | 2024-04-16 | Locus Solutions Ipco, Llc | Distributed systems for the efficient production and use of microbe-based compositions |
| US11760969B2 (en) | 2016-09-08 | 2023-09-19 | Locus Solutions Ipco, Llc | Distributed systems for the efficient production and use of microbe-based compositions |
| CN110167347B (en) * | 2016-10-07 | 2022-07-15 | 赢创运营有限公司 | Compositions comprising glycolipids and preservatives |
| CN110167347A (en) * | 2016-10-07 | 2019-08-23 | 赢创德固赛有限公司 | Composition comprising glycolipid and preservative |
| US11606963B2 (en) | 2016-10-07 | 2023-03-21 | Evonik Operations Gmbh | Composition containing glycolipids and preservatives |
| US11479711B2 (en) | 2017-02-07 | 2022-10-25 | Locus Oil Ip Company, Llc | Materials and methods for reducing viscosity of oil |
| CN110325623A (en) * | 2017-02-07 | 2019-10-11 | 轨迹石油Ip有限责任公司 | For reducing the material and method of the viscosity of petroleum |
| CN107737340A (en) * | 2017-11-30 | 2018-02-27 | 合肥工业大学 | A kind of application of pharmaceutic adjuvant sophorolipid in field of medicaments |
| CN110074450B (en) * | 2019-04-12 | 2021-09-21 | 云南中烟工业有限责任公司 | Application of sucrose fatty acid ester with low HLB (hydrophile-lipophile balance) value in tobacco |
| CN110074450A (en) * | 2019-04-12 | 2019-08-02 | 云南中烟工业有限责任公司 | A kind of purposes of low hlb sucrose fatty ester in tobacco |
| CN113966378A (en) * | 2019-06-11 | 2022-01-21 | 莎罗雅株式会社 | Composition containing acidic sophorolipid with browning suppressed |
| CN113966378B (en) * | 2019-06-11 | 2024-03-26 | 莎罗雅株式会社 | Browning inhibited acid-containing sophorolipid composition |
| CN115088720A (en) * | 2022-05-24 | 2022-09-23 | 合肥工业大学 | Sophora japonica lipid-based duckweed pesticide |
| CN115088720B (en) * | 2022-05-24 | 2023-10-10 | 合肥工业大学 | Sophorolipid-based azolla killing agent |
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