CN105249482A - Method for extracting dietary fibers from rose dregs - Google Patents
Method for extracting dietary fibers from rose dregs Download PDFInfo
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- CN105249482A CN105249482A CN201510798637.4A CN201510798637A CN105249482A CN 105249482 A CN105249482 A CN 105249482A CN 201510798637 A CN201510798637 A CN 201510798637A CN 105249482 A CN105249482 A CN 105249482A
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Abstract
The invention discloses a method for extracting dietary fibers from rose dregs obtained after rose essence is extracted from rose flowers. The method comprises the following specific steps: performing smashing and ethyl alcohol reflux extraction on the rose residues which serve as raw materials and are subjected to essence extraction; performing drying, enzymolysis and dreg-liquid separation on the rose residues subjected to reflux extraction; performing filtrate concentration, alcohol precipitation, drying and smashing, thus obtaining water-soluble dietary fibers; and drying and smashing filter residues subjected to enzymolysis, thus obtaining non-soluble dietary fibers. According to the method, by the use of the rose residues, the water-soluble dietary fibers and the non-soluble dietary fibers are respectively obtained, so that the comprehensive utilization value of the rose flowers is increased. The method disclosed by the invention is simple, the extraction cost is low, the rose industrial chain is prolonged, and the additional value of the rose flowers is increased.
Description
Technical field
The invention belongs to food processing technology field, particularly relate to a kind of method extracting dietary fiber from the colored slag after rose extraction essential oil.
Background technology
Rose is the dry flower of rosaceous plant rose (RosarugosaThumb), there is the value such as very high edible, medicinal and chemical industry, but it is still few to the report of its comprehensive utilizating research both at home and abroad, on the volatile oil that domestic and international research focuses mostly on contained by it, rose volatile oil is mainly used in cosmetic industry, is a kind of very famous and precious fragrance material.And particularly may have the polyphenol of very high economic worth and pharmacological action to the involatile constituent contained by rose and polysaccharide composition Study few, application aspect researches.Rose slag is the residue of the flower produced in Rosa Damascana leaching process.Rose slag rich in nutrition content, containing polysaccharide, flavones, cellulose, protein, multivitamin, carrotene and mineral nutrient element, is a kind of natural material being worth developing further.At present, also rose slag is not carried out to the relevant report of integrated application, only have document to conduct a preliminary study comprehensive exploitation, there is not yet report has use rose slag to extract the cellulosic correlative study of preparation.
Dietary fiber (dietaryfiber, DF) be the digestive ferment do not secreted by human body alimentary canal digest and be not the absorbed by the body polysaccharide and lignin that utilize.Different according to the dissolubility in water, dietary fiber can be divided into two fundamental types: water-soluble fibre and non-soluble fiber.The title that fiber food has " life oasis ", is classified as " the seventh-largest nutrient " after sugar, protein, fat, water, minerals and vitamins.Brainstrust is unanimously thought: fiber food will be 21 century dominate one of food.In recent years international food structure just adjusts towards the direction of fiber food.The consumption demand of Japan, the U.S. is every year with 10% speed increment.At European & American Market, soluble dietary fiber is added popular many years in food, the food sales volume adding soluble dietary fiber in Japan, TaiWan, China, Korea S constantly increases.The World Health Organization proposes, and the total dietary fiber amount that adult should take in every day is 27 ~ 40g.China's dietary survey proves, the dietary fiber of everyone every per day absorption of China drops to 17.4g by the 26g in past, and reason is that people eat more and more smart, and a lot of people only eats accurately machined rice and flour, seldom makes inquiries coarse food grain; Only note the intake of protein, the absorption of fruit and vegetable is not too paid attention to.The minimizing of dietary fiber intake causes originally rising at the incidence of disease of China in " rich man's disease " that developed country is common, becomes the formidable enemy threatening our people's health.China not yet proposes clear and definite dietary fiber recommended intake standard at present.In the DRIs that Chinese Soclety of Nutrition 2000 releases, the suitable recommended amounts of tentative Chinese residents picked-up DF is: basic, normal, high energy meals (taking in 1800kcal, 2400kcal, 2800kcal respectively) are respectively 25,30,35g/d.
In dry rose slag, main component is cellulose, is a kind of novel cellulose living resources having value.But a large amount of colored slag that current rose produces after extracting essential oil is all discarded, and not only causes the great wasting of resources and huge economic loss, also result in comparatively serious environmental pollution simultaneously.
Summary of the invention
The object of the invention is to fully utilize a large amount of colored slag produced after rose extracts essential oil, avoid waste, a kind of method extracting dietary fiber from flower slag is provided, and be separated water-soluble dietary fiber and Water insoluble dietary fiber, improve the comprehensive utilization value of rose, effective comprehensive development and utilization has been carried out to discarded object.The inventive method is simple, extracts low cost, non-environmental-pollution.
To achieve these goals, the present invention adopts following technical scheme:
A technique for preparation and separation dietary fiber in the useless colored slag produced from production rose ethereal oil process, this technique is made up of following steps:
(1) rose slag is crushed to 20 ~ 120 orders, obtains rose ground-slag, for subsequent use;
(2) get rose ground-slag, add 60% ~ 99% ethanol, make solid-liquid ratio reach 1:10 ~ 20.Heating and refluxing extraction 2 times, the 1st time 1.5 hours, the 2nd time 1 hour, merge and filter, filter residue was dried, filtrate recycling ethanol;
(3) get drinking water, with the pH value 4.0-6.0 of HCl solution adjustment water, add cellulase and pectase respectively, make the amount adding enzyme all reach 1 ~ 2g/100L, then add the filter residue of drying in step (2), make solid-liquid ratio reach 1:10 ~ 25.Raised temperature to 40 ~ 55 DEG C, slowly stir enzymolysis 200 ~ 300min, then regulate temperature to be 85 ~ 100 DEG C, go out enzyme;
(4) rose slag enzymolysis liquid is filtered, obtain filtrate A and filter residue B;
(5) filtrate A heating in vacuum is boiled off nearly 90% moisture content, add 80% ~ 99% ethanol, leave standstill 6 ~ 10 hours, reclaim supernatant ethanol, bottom sediment fraction is through vacuum and heating drying or spraying dry, freeze drying, and after pulverizing, 80 ~ 120 orders filter, and obtain water-soluble dietary fiber;
(6) filter residue B is through vacuum and heating drying or micro-wave vacuum, shatters rear 80-120 order and filters, obtain insoluble diedairy fiber.
Beneficial effect of the present invention is as follows:
The method extracting dietary fiber from rose slag of the present invention, extract dietary fiber yield high, can reach more than 50%, wherein soluble dietary fiber reaches more than 5%.Improve the comprehensive utilization value of rose, widen the purposes of rose.Method of operating of the present invention is simple, and producing cost is low, and non-environmental-pollution.
Detailed description of the invention
Below in conjunction with specific embodiment, the specific embodiment of the present invention is described, but the present invention is not limited only to these embodiments, under the prerequisite not departing from present inventive concept, any improvement done all drops within protection scope of the present invention.
Embodiment 1:
From rose slag, extract a method for dietary fiber, comprise the following steps:
(1) get dry rose slag, pulverizer is pulverized, cross 100 mesh sieves, obtain rose ground-slag, for subsequent use;
(2) take rose ground-slag 50g, add 80% ethanol, 95 DEG C of heating and refluxing extraction 2 times, add ethanol 1000ml at every turn; 1.5 hours first times, filter; 2nd time 1 hour, filter, merging filtrate, filter residue is dried, filtrate recycling ethanol;
(3) get drinking water 1000ml, by HCl solution adjusted to ph 4.5, add cellulase and each 0.02g of pectase respectively, then add the filter residue of drying in step (2), raised temperature to 55 DEG C, slowly stir enzymolysis 300min, regulate temperature 90 DEG C, go out enzyme;
(4) rose slag enzymolysis liquid is filtered, obtain filtrate A and filter residue B;
(5) filtrate A is boiled off nearly 90% moisture content on the rotary evaporator, to 100ml; Add 95% ethanol, leave standstill 6 hours, reclaim supernatant ethanol, bottom sediment fraction, at-0.08Mpa, is dried to moisture≤5.0% under 60 DEG C of vacuums, crosses 100 mesh sieves, obtain water-soluble dietary fiber 5.2g after pulverizing;
(6) filter residue B is at-0.08Mpa, is dried to moisture≤5.0% under 60 DEG C of vacuums, crosses 120 mesh sieves, obtain insoluble diedairy fiber 30.1g after pulverizing.
Embodiment 2:
From rose slag, extract a method for dietary fiber, comprise the following steps:
(1) get dry rose slag, pulverizer is pulverized, cross 120 mesh sieves, obtain rose ground-slag, for subsequent use;
(2) take rose ground-slag 50g, add 90% ethanol, 95 DEG C of heating and refluxing extraction 2 times; First time adds ethanol 1000ml, refluxes 1.5 hours, filters; Add ethanol 800ml 2nd time, reflux 1 hour, filter, merging filtrate, filter residue is dried, filtrate recycling ethanol;
(3) get drinking water 800ml, by HCl solution adjusted to ph 4.0, add cellulase and each 0.018g of pectase respectively, then add the filter residue of drying in step (2), raised temperature to 50 DEG C, slowly stir enzymolysis 250min, regulate temperature 95 DEG C, go out enzyme;
(4) rose slag enzymolysis liquid is filtered, obtain filtrate A and filter residue B;
(5) filtrate A heating in vacuum is boiled off nearly 90% moisture content, to 80ml; Add 95% ethanol, leave standstill 6 hours, reclaim supernatant ethanol, bottom sediment fraction, at-0.08Mpa, is dried to moisture≤5.0% under 60 DEG C of vacuums, crosses 100 mesh sieves, obtain water-soluble dietary fiber 5.7g after pulverizing;
(6) filter residue B is dried to moisture≤5.0% in 80 DEG C of hot air circulation drying ovens, crosses 100 mesh sieves, obtain insoluble diedairy fiber 28.5g after pulverizing.
The leading indicator of above example products obtained therefrom measures by the following method:
The mensuration of dietary fiber in GB/T5009.88-2008 food.
Above embodiment is described in detail the present invention, but, person of ordinary skill in the field can understand, under the prerequisite not departing from present inventive concept, each design parameter in the kind of the enzyme in above-described embodiment, method can also be changed, form multiple specific embodiment, be excursion of the present invention.
Claims (8)
1. a technique for preparation and separation dietary fiber in the useless colored slag produced from production rose ethereal oil process, is characterized in that this technique is made up of following steps:
(1) rose slag is crushed to 20 ~ 120 orders, obtains rose ground-slag, for subsequent use;
(2) get rose ground-slag, add 60% ~ 99% ethanol, make solid-liquid ratio reach 1:10 ~ 20, heating and refluxing extraction 2 times, 1.5 hours first times, second time 1 hour, filter after merging, filter residue is dried, filtrate recycling ethanol;
(3) drinking water is got, with HCl solution adjusted to ph 4.0-6.0, add cellulase and pectase respectively, make the amount adding enzyme all reach 1 ~ 2g/100L, then add the filter residue of drying in step (2), make solid-liquid ratio reach 1:10 ~ 25, raised temperature to 40 ~ 55 DEG C, slow stirring enzymolysis 200 ~ 300min, then regulate temperature to be 85 ~ 100 DEG C, go out enzyme;
(4) rose slag enzymolysis liquid is filtered, obtain filtrate A and filter residue B;
(5) filtrate A heating in vacuum is boiled off nearly 90% moisture content, add 80% ~ 99% ethanol, leave standstill 6 ~ 10 hours, reclaim supernatant ethanol, bottom sediment fraction drying, pulverize and obtain water-soluble dietary fiber;
(6) filter residue B drying, pulverizes and sieves, and obtains insoluble diedairy fiber.
2. the method utilizing rose slag to prepare dietary fiber according to claim 1, is characterized in that: described production rose ethereal oil process can be that water distilled method or decocting cooking method extract Rosa Damascana.
3. the method utilizing rose slag to prepare dietary fiber according to claim 1, is characterized in that: the rose slag described in step (1) is produce the useless colored slag produced in rose ethereal oil process.
4. the method utilizing rose slag to prepare dietary fiber according to claim 1, is characterized in that: in step (2), heating reflux temperature is 80 ~ 100 DEG C.
5. the method utilizing rose slag to prepare dietary fiber according to claim 1, is characterized in that: cellulase activity >=5u/mg used in step (3); Pectase activity >=10u/mg.
6. the method utilizing rose slag to prepare dietary fiber according to claim 1, it is characterized in that: filter plant used in step (4) is plate and frame filter or filter press, also can be bag-filter type centrifugal machine.
7. the method utilizing rose slag to prepare dietary fiber according to claim 1, it is characterized in that: the method for the middle precipitation drying of step (5) can be combinationally using of one or more methods in vacuum and heating drying, spraying dry, microwave drying, fluidized drying or freeze-drying, and grinding particle size is 80-120 order.
8. the method utilizing rose slag to prepare dietary fiber according to claim 1, it is characterized in that: in step (6) drying means of filter residue can be that nature dries, vacuum and heating drying, spraying dry, microwave drying, the combinationally using of one or more methods in fluidized drying or freeze-drying method, the granularity pulverized and sieved is 80-120 order.
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Cited By (6)
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| CN108095131A (en) * | 2018-01-08 | 2018-06-01 | 中国农业科学院特产研究所 | Water-insoluble ginseng food fibre powder and preparation method thereof |
| CN108095130A (en) * | 2018-01-08 | 2018-06-01 | 中国农业科学院特产研究所 | Food-grade ginseng dietary fiber and preparation method thereof |
| CN108157982A (en) * | 2018-01-08 | 2018-06-15 | 中国农业科学院特产研究所 | Ginseng food fibre powder and preparation method thereof, ginseng diet fiber drink and preparation method thereof |
| CN108719958A (en) * | 2018-05-30 | 2018-11-02 | 北京林业大学 | A kind of rose slag modified dietary fiber plural gel |
| CN109529404A (en) * | 2019-01-03 | 2019-03-29 | 山东省科学院能源研究所 | The method for preparing polyphenol extract using polyphyll red rose slag |
| CN110461173A (en) * | 2017-12-26 | 2019-11-15 | 全南道立大学校产学协力团 | The preparation method of functional Ti Gao Amorphophalus rivieri rice |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110461173A (en) * | 2017-12-26 | 2019-11-15 | 全南道立大学校产学协力团 | The preparation method of functional Ti Gao Amorphophalus rivieri rice |
| CN108095131A (en) * | 2018-01-08 | 2018-06-01 | 中国农业科学院特产研究所 | Water-insoluble ginseng food fibre powder and preparation method thereof |
| CN108095130A (en) * | 2018-01-08 | 2018-06-01 | 中国农业科学院特产研究所 | Food-grade ginseng dietary fiber and preparation method thereof |
| CN108157982A (en) * | 2018-01-08 | 2018-06-15 | 中国农业科学院特产研究所 | Ginseng food fibre powder and preparation method thereof, ginseng diet fiber drink and preparation method thereof |
| CN108719958A (en) * | 2018-05-30 | 2018-11-02 | 北京林业大学 | A kind of rose slag modified dietary fiber plural gel |
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| CN109529404A (en) * | 2019-01-03 | 2019-03-29 | 山东省科学院能源研究所 | The method for preparing polyphenol extract using polyphyll red rose slag |
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