A kind of preparation method and application of compound collecting hops tincture
Technical field
The present invention relates to the extraction and application of hops in natural perfume material, and in particular to a kind of preparation side of compound collecting hops tincture
Method and its application.
Background technology
Hops (Humunus lupulus L.) is that the perennial herbaceous stem of Moraceae Humulus is overgrow liana, and its female ball Honoka is referred to as
Hops.The geographical position of hops distribution is north latitude 40-60 degree, originates in Europe, western part of Asia and America etc., in many points of China
Cloth is in provinces and regions such as Xinjiang, Gansu, Shaanxi.Hops has its distinctive fragrance and bitter taste, produces the primary raw material of beer, it
A kind of distinctive bitter taste of beer and delicate fragrance can be given;The leavening that food industry is write music for a song using hops as yeast;In pharmaceuticals industry
A kind of upper important medicinal material, it have invigorating the spleen, diuresis, calmness, calm the nerves, it is sterilized, aid digestion the effects such as, to Gram-positive
Bacterium and knot west economy bacterium have inhibitory action, therefore, using the medicine that hops is primary raw material trial-production to treating pulmonary tuberculosis, drenching
The diseases such as Ba Juhe, tuberculous pleurisy have preferable curative effect.
Hops tincture is to extract ripe hops with low-concentration ethanol, heats continuous circulating reflux extraction, is obtained after recycling design.
Application practice shows:During as tobacco aromaticss, flavoring is played, bad breath is covered, is suppressed excitant, makes smoke soft agreeable to the taste
Effect, be the conventional traditional tobacco aromaticss of perfuming cigarette charging.
It is domestic at present to prepare hops tincture extract using low-concentration ethanol sequential extractions mostly, but this method has two big shortcomings:
1. the extraction process time is more long, easily loses part hops volatility aroma component;2. distinctive some aroma substances of hops
The counter productive such as bitter taste and blue foreign smell breath is also easy to produce in cigarette application, therefore limits its usage amount in cigarette.Therefore,
Effectively the aroma component in hops is extracted by technological means, improves perfume (or spice) of the hops tincture in cigarette application process
Gas and harmony and other effects, are to improve value of the hops in perfuming cigarette charging and extend the necessary ways of its range of application.
The content of the invention
It is it is an object of the invention to provide a kind of preparation method and applications of compound collecting hops tincture, hops is natural with other
Raw material according to ratio compound, using ultrasonic-microwave cooperate with extract, with reference to traditional alcohol precipitation refrigerating refining technique, improve effectively into
The quality and purity divided;And then improve hops application value in cigarette.
The purpose of the present invention be by following proposal realize, with hops as primary raw material, in proportion with cured tobacco leaf, jujube,
Yunnan black tea tea mixed material feeding, using mixed solvent, cooperates with method to extract and obtains, with reference to traditional alcohol precipitation refrigerating refining by ultrasonic-microwave
Technique, the preparation method of wherein compound collecting hops tincture is made by the steps:
Step one:Hop pellet, jujube are crushed respectively using disintegrating machine, chopping are carried out to cured tobacco leaf using filament cutter,
Then it is added sequentially in ultrasonic-microwave collaboration extraction kettle together with Yunnan black tea tea, adds mixed solvent, solid-liquid ratio to be 1: 5-1: 20;
Unlatching equipment, regulation ultrasonic power is 30-70w, and regulation microwave power is 100-500W, is extracted 30-60 minutes, stops making
Industry, extract solution is poured out after slightly cooling down, and with strainer filtering, collects extract solution;Recrement continues method described above carries out second extraction,
Second extract solution is collected by filtration;
Step 2:Merge extract solution twice, concentrate on the rotary evaporator, 60-90 DEG C of thickening temperature, vacuum 0.03-0.1Mpa;
Step 3:The proportion that will be obtained is dissolved for the concentrate of 0.9-1.2 with 95% ethanol of 7-10 times of quality of inventory, and
Freezing alcohol precipitation is carried out under conditions of -20-0 DEG C, cooling time is 10-24h;
Step 4:Precipitation solution after freezing is centrifuged, centrifugal rotational speed is 2500-5000r/min, centrifugation time is 20-50min,
Centrifuged supernatant is collected, centrifuged supernatant is concentrated on the rotary evaporator, 60-90 DEG C of thickening temperature, vacuum 0.03-0.1Mpa,
Stop concentration when concentrate proportion is 0.85-1.05, obtain compound collecting hops tincture.
The preparation method of above-mentioned Yunnan black tea extract, described mixed solvent is made up of ethanol, propane diols, water, glucan.
Above-mentioned compound collecting hops tincture, the appearance characteristics of the extract are in dark-brown or dark brown.
A kind of application of compound collecting hops tincture, compound collecting hops tincture is weighed by the 0.01-1% of cigarette shreds, uses 40-70%
Ethanol is dissolved, and spray is added in flue-cured tobacco pipe tobacco, is rolled into cigarette finished product.
The advantage of the invention is that:Compared with the extracting method of traditional beer flower tincture, cooperateed with using mixed solvent, ultrasonic-microwave
The compound material based on hops is extracted, the consumption of ethanol is greatly reduced, is reduced and is extracted the heat time, improve extraction effect
Rate;Hops and cured tobacco leaf, jujube, Yunnan black tea tea are combined the hops tincture for extract and obtaining, are coordinated in cigarette application
Property and it is rich be obviously improved, improve its application value and addition in cigarette, the method equipment is uncomplicated, easily behaviour
Make, it is pollution-free, for hops tincture prepares extracting method providing a kind of novelty, working well.The product is thought through smokeing panel test
Perfuming effect is obvious in flue-cured tobacco:Hair is abundant thoroughly for fragrance, smoke alcohol and, soft fine and smooth, the pleasant impression comfortableness aspect of flue gas has substantially
Improve.
Specific embodiment
Further instruction is given to the method for the present invention below by example, but does not place restrictions on the present invention.
Embodiment
The preparation method of Yunnan black tea extract is prepared as follows:
Step one:In the extraction kettle of ultrasonic-microwave collaboration extraction equipment, add pretreated hops, cured tobacco leaf,
Jujube, wherein Yunnan black tea raw material, hops:Cured tobacco leaf:Jujube, the ratio of Yunnan black tea tea are 8.5: 0.5: 0.8: 0.2, are added mixed
Bonding solvent, it is made up of the glucans of 3 times of ethanol of amount, 0.5 times of propane diols measured, 4.5 times of water measured, 0.05 times of amount.Open
Equipment, regulation ultrasonic wave and microwave power are respectively 50W and 350W, extract 40 minutes, stop operation, and are poured out after slightly cooling down and carried
Liquid is taken, is filtered with 300 mesh filter screens, collect extract solution.Recrement continues method described above carries out second extraction, is collected by filtration second
Secondary extract solution.
Step 2:Merge extract solution twice, concentrate on the rotary evaporator, 65 DEG C of thickening temperature, vacuum 0.06Mpa;
Step 3:The proportion that will be obtained is dissolved for 1.15 ± 0.02 concentrate with 8 times of 95% ethanol of quality, and at -10 DEG C
Under the conditions of carry out freezing alcohol precipitation, cooling time is 15h;
Step 4:Precipitation solution after freezing is centrifuged, centrifugal rotational speed is 3500r/min, centrifugation time is 30min, is collected
Centrifuged supernatant, centrifuged supernatant is concentrated on the rotary evaporator, 65 DEG C of thickening temperature, vacuum 0.06Mpa, in concentration
Stop concentration when thing proportion is 0.95 ± 0.02, obtain compound collecting hops tincture.
Example twice, feed intake be 1000 grams every time, 455 grams of extract is obtained for the first time and (is received
Yield 45.5%), 445 grams of extract (recovery rate 44.5%) is obtained for the second time, average recovery rate is 45.0% twice;
By compound collecting hops tincture obtained above, by 0.5% consumption of pipe tobacco weight, dissolved with 60% ethanol, equably sprayed
It is spread across in pipe tobacco, pipe tobacco is made into cigarette is smoked panel test.