CN107596725A - The extracting method of free amino acid in a kind of fresh olive pomace - Google Patents

The extracting method of free amino acid in a kind of fresh olive pomace Download PDF

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Publication number
CN107596725A
CN107596725A CN201710789306.3A CN201710789306A CN107596725A CN 107596725 A CN107596725 A CN 107596725A CN 201710789306 A CN201710789306 A CN 201710789306A CN 107596725 A CN107596725 A CN 107596725A
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China
Prior art keywords
amino acid
free amino
olive pomace
pomace
fresh olive
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CN201710789306.3A
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Chinese (zh)
Inventor
刘青亚
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Anhui Huajian Biological Technology Co Ltd
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Anhui Huajian Biological Technology Co Ltd
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Priority to CN201710789306.3A priority Critical patent/CN107596725A/en
Publication of CN107596725A publication Critical patent/CN107596725A/en
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  • Medicines Containing Plant Substances (AREA)

Abstract

The invention discloses a kind of extracting method of free amino acid in fresh olive pomace, it is used as Extraction solvent using the aqueous solution containing sodium isoascorbate, by the way of micro-wave digestion Free Amino Acids are extracted from fresh olive pomace, the purity of amino acid in obtained product is extracted up to more than 95%, species is up to 17 kinds, the amount of the amino acid in fresh fruit slag is greatly remained, total recovery rate is up to more than 35%.Processing is dried to fresh olive pomace with vacuum drying method in processing procedure; it is lower to the loss amount of amino acid than traditional heated-air drying; and the sodium isoascorbate in Extraction solvent is also further formed to aminoacid ingredient and protected; prevent oxidation of being failed during hot-working or ingress of air; finally realize the extraction of free amino acid in olive pomace in a manner of efficient, environmentally friendly, be the high-qualityization application extension direction of pomace.

Description

The extracting method of free amino acid in a kind of fresh olive pomace
Technical field
The present invention relates to biological technical field, and in particular to the extraction side of free amino acid in a kind of fresh olive pomace Method.
Background technology
According to statistics, 35-40kg pomaces will be produced after being extracted oil per 100kg fresh olives fruit, these pomace depolarization small parts Outside as fertilizer or feed, the overwhelming majority is directly discarded, and this not only seriously pollutes environment, also result in the waste of resource, Therefore, the effective utilization technology for developing olive pomace is needed badly.The deep development on olive pomace is using mainly at present Concentrate on the extraction of the bioactive ingredients such as extraction and flavones, the polyphenol of Marc oil, but the big portion in the expressing process of early stage The bioactive substances such as the grease and flavones, polyphenol that divide enter in olive oil, and polyphenol, Flavonoid substances easily aoxidize again, this A little actual contents in pomace of active component are very low.According to《The main chemical compositions analysis of fresh olive pomace》One text is ground Study carefully result to show in olive pomace in addition to fatty and a small amount of active component, the content of total amino acid up to 2.1%, including 17 kinds of amino acid, secondly content highest altogether containing 7 kinds of essential amino acids, wherein leucine is valine and isoleucine, The content of threonine, lysine and methionine is relatively low, and leucine, isoleucine and valine are branched-chain amino acid, has and promotes Muscle protein synthesis, reduce Adipogenesis, hypoglycemic, fatigue-resisting function.In nonessential amino acid, glutamic acid and lucid asparagus The content of propylhomoserin is higher, and cystine, arginine, the content of tyrosine are relatively low, and the ratio of itself and optimum protein pattern approaches, and is tool There is the protein of higher nutritive value.As can be seen here, olive pomace is a kind of accessory substance with better nutritivity value, is worth Deep development is obtained to utilize.
Conventional to the extracting method of free amino acid in plant fresh sample at present has ultrasonic extraction, heating and refluxing extraction, leaching The methods of formulation.Extraction solvent is generally water, alcohol, ether etc., and extraction conditions have conclusive influence to the extracted amount of amino acid, by Aminoacid ingredient is different in not kindred plant, and corresponding extraction conditions are also not quite similar, only the composition point from plant in itself Hand is separated out, suitable dicyandiamide solution and extraction conditions is established, the problems such as current recovery rate is low, extraction time is long could be improved, and Being related to amino acid extraction in olive pomace, there is not been reported.
The content of the invention
The present invention is intended to provide a kind of method of the high efficiency extraction free amino acid from olive pomace, realizes olea europaea fruit The high-quality utilization of slag.
The present invention is achieved by the following technical solutions:
The extracting method of free amino acid in a kind of fresh olive pomace, including it is drying and crushing, Microwave Extraction, Purification by filtration, dense Contracting drying, specifically includes following steps:
(1)Drying and crushing:Drying process after fresh olive pomace degreasing is dried to pomace water content < 13%, dried fruit Ground-slag is broken, crosses 50-80 mesh sieves;
(2)Microwave Extraction:By step(1)In the pomace powder input micro-wave diminishing pot of preparation, according to 1:5-10 solid-liquid ratio adds Extraction solvent, sealed after addition, be placed in microwave dissolver and handle, reprocessed 2-3 times, merging filtrate;
(3)Purification by filtration:Gained filtrate is purified with cation exchange resin column or activated carbon;
(4)It is concentrated and dried:Extract solution traditional vacuum after purification is concentrated to dryness, produces free amino acid finished product.
Step(1)Described in drying process be to be dried in vacuo fresh olive pomace under the conditions of 70-80 DEG C.
Described step(2)In Extraction solvent be 1-5% arabo-ascorbic acid sodium water solution, adjusted with glacial acetic acid or hydrochloric acid It is 2-6 to be assigned to pH value.
Described step(2)The program of middle microwave dissolver is arranged to:50-80W、80℃、30-50min.
Described step(4)The temperature of middle vacuum concentration is 70 DEG C.
The present invention is using the aqueous solution containing sodium isoascorbate as Extraction solvent, from fresh oily olive by the way of micro-wave digestion Free Amino Acids are extracted in olive pomace, the purity of amino acid is up to more than 95% in the product for extracting to obtain, and species is up to 17 Kind, the amount of the amino acid in fresh fruit slag is greatly remained, total recovery rate is up to more than 35%.With true in processing procedure Processing is dried to fresh olive pomace in the method that sky is dried, lower to the loss amount of amino acid than traditional heated-air drying, And the sodium isoascorbate in Extraction solvent is also further formed to aminoacid ingredient and protected, prevent empty in hot-working or contact Fail and aoxidize during gas, the extraction of free amino acid in olive pomace is finally realized in a manner of efficient, environmentally friendly, is fruit The high-qualityization application extension of slag direction.
Embodiment
The extracting method of free amino acid in a kind of fresh olive pomace, including drying and crushing, Microwave Extraction, filtered pure Change, be concentrated and dried, specifically include following steps:
(1)Drying and crushing:By vacuum drying treatment, drying to pomace water content under the conditions of 70 DEG C after fresh olive pomace degreasing < 13%, dried pomace crush, and cross 50 mesh sieves;
(2)Microwave Extraction:By step(1)In the pomace powder input micro-wave diminishing pot of preparation, according to 1:5 solid-liquid ratio adds extraction Solvent, sealed after addition, be placed in microwave dissolver and handle, reprocessed 2 times, merging filtrate;
(3)Purification by filtration:Gained filtrate is purified with cation exchange resin column or activated carbon;
(4)It is concentrated and dried:Extract solution traditional vacuum after purification is concentrated to dryness, produces free amino acid finished product.
Step(2)The middle Extraction solvent used be 1% arabo-ascorbic acid sodium water solution, with glacial acetic acid or hydrochloric acid allocate to PH value is 2.
Step(2)The program of middle microwave dissolver is arranged to:50W、80℃、50min.
Step(4)The temperature of middle vacuum concentration is 70 DEG C.

Claims (5)

1. the extracting method of free amino acid in a kind of fresh olive pomace, including drying and crushing, Microwave Extraction, Purification by filtration, It is concentrated and dried, specifically includes following steps:
(1)Drying and crushing:Drying process after fresh olive pomace degreasing is dried to pomace water content < 13%, dried fruit Ground-slag is broken, crosses 50-80 mesh sieves;
(2)Microwave Extraction:By step(1)In the pomace powder input micro-wave diminishing pot of preparation, according to 1:5-10 solid-liquid ratio adds Extraction solvent, sealed after addition, be placed in microwave dissolver and handle, reprocessed 2-3 times, merging filtrate;
(3)Purification by filtration:Gained filtrate is purified with cation exchange resin column or activated carbon;
(4)It is concentrated and dried:Extract solution traditional vacuum after purification is concentrated to dryness, produces free amino acid finished product.
2. the extracting method of free amino acid in a kind of fresh olive pomace as claimed in claim 1, it is characterised in that step (1)Described in drying process be to be dried in vacuo fresh olive pomace under the conditions of 70-80 DEG C.
3. the extracting method of free amino acid in a kind of fresh olive pomace as claimed in claim 1, it is characterised in that described The step of(2)In Extraction solvent be 1-5% arabo-ascorbic acid sodium water solution, it is 2- to be allocated with glacial acetic acid or hydrochloric acid to pH value 6。
4. the extracting method of free amino acid in a kind of fresh olive pomace as claimed in claim 1, it is characterised in that described The step of(2)The program of middle microwave dissolver is arranged to:50-80W、80℃、30-50min.
5. the extracting method of free amino acid in a kind of fresh olive pomace as claimed in claim 1, it is characterised in that described The step of(4)The temperature of middle vacuum concentration is 70 DEG C.
CN201710789306.3A 2017-09-05 2017-09-05 The extracting method of free amino acid in a kind of fresh olive pomace Pending CN107596725A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111481962A (en) * 2020-04-23 2020-08-04 兰州海关技术中心 Method for extracting salmonella-inhibiting substance from olive pomace and application

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104001006A (en) * 2014-05-14 2014-08-27 广西壮族自治区药用植物园 Method for extracting free amino acid from asparagus cochinchinensis
CN104689106A (en) * 2015-02-11 2015-06-10 海门市润圣纺织品有限公司 Method for extracting free amino acid
CN104740296A (en) * 2015-02-28 2015-07-01 周可幸 Method for extracting amino acid from radices polygonati officinalis by microwave

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104001006A (en) * 2014-05-14 2014-08-27 广西壮族自治区药用植物园 Method for extracting free amino acid from asparagus cochinchinensis
CN104689106A (en) * 2015-02-11 2015-06-10 海门市润圣纺织品有限公司 Method for extracting free amino acid
CN104740296A (en) * 2015-02-28 2015-07-01 周可幸 Method for extracting amino acid from radices polygonati officinalis by microwave

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
万继锋 等: "橄榄果实中糖和氨基酸组成与含量分析", 《福建农业学报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111481962A (en) * 2020-04-23 2020-08-04 兰州海关技术中心 Method for extracting salmonella-inhibiting substance from olive pomace and application

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