CN104783089A - Preparation method of jujube extract - Google Patents

Preparation method of jujube extract Download PDF

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Publication number
CN104783089A
CN104783089A CN201510141466.8A CN201510141466A CN104783089A CN 104783089 A CN104783089 A CN 104783089A CN 201510141466 A CN201510141466 A CN 201510141466A CN 104783089 A CN104783089 A CN 104783089A
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CN
China
Prior art keywords
jujube
preparation
jujube extract
technology
enzymolysis
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Pending
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CN201510141466.8A
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Chinese (zh)
Inventor
赵丽
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TIANJIN FOOD RESEARCH INSTITUTE Co Ltd
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TIANJIN FOOD RESEARCH INSTITUTE Co Ltd
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Priority to CN201510141466.8A priority Critical patent/CN104783089A/en
Publication of CN104783089A publication Critical patent/CN104783089A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Medicines Containing Plant Substances (AREA)

Abstract

The invention provides a preparation method of a jujube extract. The jujube extract is obtained by the processes of cleaning jujubes, pre-cooking, pulping, and performing ultrasonic breaking, enzymolysis, biological fermentation, flash-evaporation concentration and biological fermentation. According to the preparation method of the jujube extract, provided by the invention, active ingredients in jujubes are not extracted, separated and purified, and jujube essence can be efficiently prepared by using a biological fermentation technology, an enzyme technology, an ultrasonic-assisted crushing technology, a flash evaporation concentration technology and a spray-drying technology, thereby having the efficacies of jujube polysaccharide, flavone, saponin, cyclic adenosine monophosphate and other functional factors; meanwhile, the technical difficulty in active substance separation, preparation and research is solved.

Description

A kind of preparation method of jujube extract
Technical field
The present invention relates to food technology field, especially relate to a kind of preparation method of jujube extract.
Background technology
Jujube is the nourishing fruit of Chinese tradition, has high nutritive value and good medical care effect.The traditional Chinese medical science thinks that jujube can nourish blood, beneficial gas, calm the nerves, moisten cardiopulmonary, tonifying five zang organs, control deficient, is often used in the prescription of rich in nutrition by jujube.Jujube extract product contains functional components all in the jujubes such as jujube polysaccharide, flavones, saponin, CAMP.
The focus that the extracting and developing of the active component in current jujube and purifying be people the same as with other active components of plants Structural Identification technology study and difficult point.Due to active component each in jujube, their chemistry such as molecular weight, molecular structure, dissolubility, polarity and the complexity of physical property, and the impact of the factors such as the efficacy requirements of development, people attempt using modern high technology, as abstraction technique, zymotechnic, microwave and ultrasound technology, membrane technology, chromatography, vacuum drying technique etc., the integration mode of discovery techniques, optimum process condition and suitable instrument and equipment.By the utilization of these new and high technologies and instrument and equipment, the separation preparation research of active substance of plant obtains continuous development and improvement, but, due to very high containing Small molecular compositions such as monosaccharide and disaccharides in jujube, therefore the preparation of highly purified jujube active component still also exists some technical barriers needs to overcome.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of preparation method of jujube extract, this method uses the technology such as biofermentation technique, zymotechnic, ultrasonic assistant crushing technology, flash concentration technology, spray drying technology, can efficiently prepare jujube essence, make it have effect of the function factors such as jujube polysaccharide, flavones, saponin(e, CAMP, overcome the technical barrier in active material separation preparation research simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the preparation method providing a kind of jujube extract, is characterized in that: the step of this preparation method is as follows:
(1) clean, precook, pull an oar: by its soaking at room temperature 10h (fruit water is than being 1:8) after red date cleaning, being heated to about 90 DEG C after immersion, 10min, then pulling an oar through beater;
(2) ultrasonic assistant is broken: the jujube slurry through above-mentioned steps is carried out ultrasonic assistant fragmentation;
(3) enzymolysis: add pectase and water in the jujube slurry of fragmentation, carry out enzymolysis, afterwards filter cleaner;
(4) ferment: in filtrate, add the saccharomyces cerevisiae that 0.5%-1.5% (weight ratio) has activated, carry out aerobic fermentation;
(5) flash concentration, spraying dry: after fermentation ends, carries out flash concentration by gained zymotic fluid; Choosing additive and solid content to carrying out spraying dry, obtaining jujube extract product.
As preferably, the enzyme concentration of described pectase is 10IU/g-20IU/g, and amount of water is 7 times-10 times, and hydrolysis temperature is 45 DEG C-55 DEG C, and enzymolysis time is 2h-4h.
As preferably, inoculum of dry yeast is 1%, fermentation time 8h, temperature 35 DEG C.
As preferably, described additive is 70% maltodextrin and 1.5%CMC-Na, and intake velocity is 0.9m3/min, feed liquid cocnentration factor 3:1-5:1, before spraying dry, solid content is 15%, feed temperature 40 DEG C-50 DEG C, EAT 150 DEG C-250 DEG C, leaving air temp 65 DEG C-105 DEG C.
The advantage that the present invention has and beneficial effect are: the active component in jujube is not carried out extracting and developing and purifying by the preparation method of jujube extract of the present invention, but use biofermentation technique, zymotechnic, ultrasonic assistant crushing technology, flash concentration technology and spray drying technology, can efficiently prepare jujube essence, make it have effect of the function factors such as jujube polysaccharide, flavones, saponin(e, CAMP, overcome the technical barrier in active material separation preparation research.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is elaborated.
The invention provides a kind of preparation method of jujube extract, it is characterized in that: the step of this preparation method is as follows:
(1) clean, precook, pull an oar: by its soaking at room temperature 10h (fruit water is than being 1:8) after red date cleaning, being heated to about 90 DEG C after immersion, 10min, then pulling an oar through beater;
(2) ultrasonic assistant is broken: the jujube slurry through above-mentioned steps is carried out ultrasonic assistant fragmentation;
(3) enzymolysis: add pectase and water in the jujube slurry of fragmentation, carry out enzymolysis, afterwards filter cleaner;
(4) ferment: in filtrate, add the saccharomyces cerevisiae that 0.5%-1.5% (weight ratio) has activated, carry out aerobic fermentation;
(5) flash concentration, spraying dry: after fermentation ends, carries out flash concentration by gained zymotic fluid; Choosing additive and solid content to carrying out spraying dry, obtaining jujube extract product.
As preferably, the enzyme concentration of described pectase is 10IU/g-20IU/g, and amount of water is 7 times-10 times, and hydrolysis temperature is 45 DEG C-55 DEG C, and enzymolysis time is 2h-4h.
As preferably, inoculum of dry yeast is 1%, fermentation time 8h, temperature 35 DEG C.
As preferably, described additive is 70% maltodextrin and 1.5%CMC-Na, and intake velocity is 0.9m3/min, feed liquid cocnentration factor 3:1-5:1, before spraying dry, solid content is 15%, feed temperature 40 DEG C-50 DEG C, EAT 150 DEG C-250 DEG C, leaving air temp 65 DEG C-105 DEG C.
Embodiment 1
(1) enzymolysis: pectase enzyme concentration is 10IU/g, amount of water 10 times, hydrolysis temperature is 55 DEG C, and enzymolysis time is 4h.
(2) biofermentation: inoculum of dry yeast 1%, fermentation time 8h, temperature 35 DEG C.
(3) spraying dry: the additive selecting 70% maltodextrin and 1.5%CMC-Na, intake velocity is 0.9m3/min, feed liquid cocnentration factor 5:1, before spraying dry, solid content is 15%, feed temperature 45 DEG C, EAT 150 DEG C, leaving air temp 105 DEG C.
Embodiment 2:
(1) enzymolysis: pectase enzyme concentration is 20IU/g, amount of water 7 times, hydrolysis temperature is 45 DEG C, and enzymolysis time is 2h.
(2) biofermentation: inoculum of dry yeast 1%, fermentation time 8h, temperature 35 DEG C.
(3) spraying dry: the additive selecting 70% maltodextrin and 1.5%CMC-Na, intake velocity is 0.9m3/min, feed liquid cocnentration factor 3:1, and before spraying dry, solid content is 15%, feed temperature 50 DEG C, EAT 250 DEG C, leaving air temp 65 DEG C.
Embodiment 3:
(1) enzymolysis: pectase enzyme concentration is 15IU/g, amount of water 8.5 times, hydrolysis temperature is 50 DEG C, and enzymolysis time is 3h.
(2) biofermentation: inoculum of dry yeast 1%, fermentation time 8h, temperature 35 DEG C.
(3) spraying dry: the additive selecting 70% maltodextrin and 1.5%CMC-Na, intake velocity is 0.9m3/min, feed liquid cocnentration factor 4:1, and before spraying dry, solid content is 15%, feed temperature 40 DEG C, EAT 200 DEG C, leaving air temp 85 DEG C.
Active component in jujube is not carried out extracting and developing and purifying by the preparation method of jujube extract of the present invention, but use biofermentation technique, zymotechnic, ultrasonic assistant crushing technology, flash concentration technology and spray drying technology, can efficiently prepare jujube essence, make it have effect of the function factors such as jujube polysaccharide, flavones, saponin(e, CAMP, overcome the technical barrier in active material separation preparation research.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.

Claims (4)

1. a preparation method for jujube extract, is characterized in that: the step of this preparation method is as follows:
(1) clean, precook, pull an oar: by its soaking at room temperature 10h (fruit water is than being 1:8) after red date cleaning, being heated to about 90 DEG C after immersion, 10min, then pulling an oar through beater;
(2) ultrasonic assistant is broken: the jujube slurry through above-mentioned steps is carried out ultrasonic assistant fragmentation;
(3) enzymolysis: add pectase and water in the jujube slurry of fragmentation, carry out enzymolysis, afterwards filter cleaner;
(4) ferment: in filtrate, add the saccharomyces cerevisiae that 0.5%-1.5% (weight ratio) has activated, carry out aerobic fermentation;
(5) flash concentration, spraying dry: after fermentation ends, carries out flash concentration by gained zymotic fluid; Choosing additive and solid content to carrying out spraying dry, obtaining jujube extract product.
2. the preparation method of jujube extract according to claim 1, is characterized in that: the enzyme concentration of described pectase is 10IU/g-20IU/g, and amount of water is 7 times-10 times, and hydrolysis temperature is 45 DEG C-55 DEG C, and enzymolysis time is 2h-4h.
3. the preparation method of jujube extract according to claim 2, is characterized in that: inoculum of dry yeast is 1%, fermentation time 8h, temperature 35 DEG C.
4. the preparation method of jujube extract according to claim 3, it is characterized in that: described additive is 70% maltodextrin and 1.5%CMC-Na, intake velocity is 0.9m3/min, feed liquid cocnentration factor 3:1-5:1, before spraying dry, solid content is 15%, feed temperature 40 DEG C-50 DEG C, EAT 150 DEG C-250 DEG C, leaving air temp 65 DEG C-105 DEG C.
CN201510141466.8A 2015-03-27 2015-03-27 Preparation method of jujube extract Pending CN104783089A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106490575A (en) * 2016-10-31 2017-03-15 安徽红云食品有限公司 A kind of sweeting agent rich in high dietary-fiber and with anti-corrosion function
CN108719867A (en) * 2018-04-23 2018-11-02 西北农林科技大学 A kind of big jujube products and preparation method thereof rich in oligosaccharide
CN108967793A (en) * 2018-06-28 2018-12-11 广西驰胜农业科技有限公司 A kind of preparation method of banaina
CN113100406A (en) * 2021-05-25 2021-07-13 河北农业大学 Processing technology of low-sugar wild jujube instant whole powder
CN114591380A (en) * 2022-04-20 2022-06-07 杨子萱 Extraction method of adenosine cyclophosphate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106490575A (en) * 2016-10-31 2017-03-15 安徽红云食品有限公司 A kind of sweeting agent rich in high dietary-fiber and with anti-corrosion function
CN108719867A (en) * 2018-04-23 2018-11-02 西北农林科技大学 A kind of big jujube products and preparation method thereof rich in oligosaccharide
CN108967793A (en) * 2018-06-28 2018-12-11 广西驰胜农业科技有限公司 A kind of preparation method of banaina
CN113100406A (en) * 2021-05-25 2021-07-13 河北农业大学 Processing technology of low-sugar wild jujube instant whole powder
CN114591380A (en) * 2022-04-20 2022-06-07 杨子萱 Extraction method of adenosine cyclophosphate
CN114591380B (en) * 2022-04-20 2023-10-10 杨子萱 Method for extracting adenosine cyclophosphate

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