KR101401911B1 - The extracts of anti-oxidative activity from the bone of processing wastes of Japanese eel (Anguilla japonica) by the low temperature vacuum extraction - Google Patents

The extracts of anti-oxidative activity from the bone of processing wastes of Japanese eel (Anguilla japonica) by the low temperature vacuum extraction Download PDF

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KR101401911B1
KR101401911B1 KR1020120062723A KR20120062723A KR101401911B1 KR 101401911 B1 KR101401911 B1 KR 101401911B1 KR 1020120062723 A KR1020120062723 A KR 1020120062723A KR 20120062723 A KR20120062723 A KR 20120062723A KR 101401911 B1 KR101401911 B1 KR 101401911B1
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eel
extract
activity
processing
temperature vacuum
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KR20130139039A (en
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김철호
곽충환
정태욱
서석종
장현욱
김동수
오준기
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경성대학교 산학협력단
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/56Materials from animals other than mammals
    • A61K35/60Fish, e.g. seahorses; Fish eggs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K15/00Anti-oxidant compositions; Compositions inhibiting chemical change
    • C09K15/34Anti-oxidant compositions; Compositions inhibiting chemical change containing plant or animal materials of unknown composition

Abstract

본 발명은 항산화활성을 가진 저온진공으로 추출한 장어 뼈-가공부산물의 추출물의 제조방법에 관한 것으로, 더욱 상세하게는 장어의 가식부분을 제외한 장어 머리, 간, 내장, 쓸개, 표피부분의 장어 가공부산물을 잘 세정하고 정선한 후, 이들 장어 뼈와 가공부산물들을 저온진공에 의하여 분말화 하였으며, 분쇄된 분말을 이용한 추출물이 항산화활성을 가짐으로서, 노화방지 및 면역증강활성을 가져, 이에 따른 건강보조식품으로 사용될 수 있는 특징을 가진 항산화활성을 가진 저온진공으로 추출한 장어 뼈-가공부산물의 추출물에 관한 것이다.The present invention relates to a method for producing an extract of eel bone-processing by-products extracted with a low-temperature vacuum having antioxidant activity, and more particularly to a method for producing an eel bone-processing by-product extract of eel, liver, , And then the eel bones and processing by-products were pulverized by a low-temperature vacuum. The extract obtained from the pulverized powder had antioxidative activity, thereby having antioxidant and immunostimulating activity, Which is extracted with low temperature vacuum having antioxidant activity and which can be used as an extract of eel bone-processing by-products.

Description

항산화활성을 가진 저온진공으로 추출한 장어 뼈-가공부산물의 추출물 및 그의 제조방법{The extracts of anti-oxidative activity from the bone of processing wastes of Japanese eel (Anguilla japonica) by the low temperature vacuum extraction}[0001] The present invention relates to an extract of eel bone-processing by-products extracted with a low-temperature vacuum having antioxidant activity and a method for producing the same.

본 발명은 장어의 가식부분을 제외한 장어 머리, 내장(간 포함), 쓸개(파랑색 등색), 표피부분의 장어 가공부산물을 잘 세정하고 정선한 후, 이들 장어 뼈와 가공부산물들을 저온진공에 의하여 분말화 하였으며, 분쇄된 분말을 이용한 추출물이 항산화활성을 가짐으로서, 노화방지 및 면역증강활성을 가져, 이에 따른 건강보조식품으로 사용될 수 있는 특징을 가진 항산화활성을 가진 저온진공으로 추출한 장어 뼈-가공부산물의 추출물에 관한 것이다.
The present invention relates to a method for purifying and processing eel bones and processing by-products of eel hair, internal (including liver), gallbladder (blue color) and epidermal part excluding eared portion of eel Powdered and powdered extracts showed antioxidant activity and thus had antioxidant activity and antioxidant activity. Thus, the extracts of eel bones - processed To extract of by-products.

일반적으로 장어는 단백질 함량이 높고 칼로리도 높으면서 불포화 지방산이 많아 고혈압 등의 성인병 예방이나 허약 체질, 원기 회복 등에 최고의 식품으로 인정받기 때문에 스태미너 식품으로 특히 여름철 남성들에게 인기가 매우 높다.
In general, eel is high in protein content, high in calories, high in unsaturated fatty acids, so it is recognized as the best food for prevention of adult diseases such as hypertension, frailty and restorative, so it is very popular among men in summer especially for stamina.

이와 같이 건강식품으로 인정받고 있는 장어에는 민물장어, 붕장어, 먹장어, 갯장어와 같은 장어류로 일반 어류에 비해 비타민의 함량이 높아 비타민 E의 경우 함유량이 계란의 약 10배, 비타민 A는 일반 백색어류의 30배에서 100배 이상 함유하고 있으며, 비타민 A는 발육촉진, 시력회복, 피부와 점막의 건강유지, 정력제 등의 효능이 있다. 그리고 불포화지방산의 함량도 매우 많이 함유하고 있으며 특히, DHA 및 EPA와 같은 함량이 타 어종보다 높다. DHA의 효능을 보면 머리가 좋아지고, 치매예방, 암 억제 등에 탁월한 효과를 발휘하기 때문에 옛날부터 생약재 및 천연재료를 사용하고 있다.
Eels, which are considered to be health foods, have a higher content of vitamins than ordinary fish, such as freshwater eel, conger eel, eel, and mackerel. The content of vitamin E is about 10 times that of eggs, vitamin A is a common white fish And vitamin A is effective in promoting growth, restoring visual acuity, maintaining skin and mucous membrane health, and energizing agents. The content of unsaturated fatty acids is also very high. Especially, the contents such as DHA and EPA are higher than other species. The efficacy of DHA shows that it has an excellent effect on hair, prevention of dementia, suppression of cancer, and so on, and it uses herbal medicine and natural materials from ancient times.

한편, 장어의 혈액과 표피(껍질)의 점액질에는 단백독소인 ‘이크티오헤모톡신(ichtyohemotoxin)' 성분이 있는데, 이 독소는 사람의 몸속에 들어가면 구역질이나 중독 증상을 일으키며, 눈에 들어가면 결막염을 일으키고 상처에 묻으면 피부가 약한 사람은 염증을 일으키기도 할 뿐만 아니라많은 양이 체내에 들어올 경우에는 사망할 수도 있는 위험이 있다. 또한, 이 독소는 완전히 제거하기가 어려우며, 단지 60℃이상으로 열을 가해야 지만 독성이 없어지기 때문에 대부분 장어는 생선회로는 조리하지 않으며, 대신 구이나 국 등의 형태로 조리해서 먹는다.
On the other hand, there is a protein toxin, ichtyohemotoxin, in the mucus of the blood and epidermis of the eel. This toxin causes nausea or poisoning if it enters the human body, causing conjunctivitis If you have a scarred skin, not only does it weaken your skin, but it can also cause you to die if a large amount of it enters the body. In addition, it is difficult to completely remove this toxin. Most of the eel is not cooked by sashimi, because it is heated only at 60 ℃ or more, but it is not toxic. Instead, it is cooked in the form of a sphere or a soup.

이와 같은 장어를 이용하여 개발한 건강식품들이 특허 출원된 예를 살펴보면, 대한민국 공개특허공보 특 1990-1320호(1990. 2. 27 공개)의 민물장어를 주제로 하는 영양식품의 제조방법, 대한민국 공개특허공보 특 1993-22955호(1993. 12.18 공개)의 민물장어를 이용한 건강식품, 대한민국 공개특허공보 특1996-78호(1996. 1. 25 공개)의 민물장어와 생약재를 이용한 건강식품 제조방법 등이 공지되어 있으나 상기와 같은 식품들은 모두 장어와 생약재를 혼합하여 가열할 때 열에 의한 화학적 변화로 인해 영양성분이 손실될 우려가 있다.
Examples of a patent application for health foods developed using such eel are disclosed in Korean Patent Publication No. 1990-1320 (published on February 27, 1990), a method of producing nutritional food on the theme of freshwater eel, Japanese Patent Application Publication No. 1993-22955 (published on Dec. 18, 1993) discloses a health food using freshwater eel, Korean Patent Laid-Open Publication No. 1996-78 (published on January 25, 1996) It is possible that nutrients may be lost due to chemical changes caused by heat when the eel and the herbal medicine are mixed and heated.

상기의 설명에서와 같이, 영양분이 풍부한 장어는 일반적으로 구이용, 생선회, 장어덮밥, 탕, 농축액 등으로 하여 사용되어지고 있다.As described above, eel-rich eels are generally used for roasting, sashimi, eel rice, hot water, concentrated liquid, and the like.

그러나 이와 같은 경우에는 사용되어지는 목적에 따라 대부분 육질을 가진 가식부 만을 사용하게 되며, 장어의 머리, 내장, 뼈, 표면 껍질 등의 부산물은 버려지거나, 사료용으로 사용되어지나 아주 미비한 문제점을 가지고 있었다.
However, in such a case, only the edible portion having the meat quality is used according to the intended purpose, and the by-products such as the head, the internal organs, the bones, and the surface skin of the eel are discarded or used for the feed.

상기와 같은 종래의 문제점을 해결하기 위하여, 본 발명에서는 상기에서 언급한 바와 같이 우수한 영양성분을 함유한 장어의 가식부를 제외한, 장어 뼈와 장어 부산물을 주원료로 하여 부족한 신체의 기능성을 충족하면서 건강기능 편의식의 일종으로 건강보조식품을 개발하고자 한 것으로, 장어 머리, 내장(간 포함), 쓸개(파랑색 등색), 표피부분의 장어 가공부산물을 잘 세정하고 정선한 후, 이들 장어 뼈와 가공부산물들을 저온진공에 의하여 분말화 하였으며, 분쇄된 미세분말을 이용한 추출물이 항산화활성을 가짐으로서, 노화방지 및 면역증강활성을 가져, 이에 따른 건강보조식품으로 사용될 수 있는 특징을 가진 항산화활성을 가진 저온진공으로 추출한 장어 뼈-가공부산물의 추출물을 제공하고자 하였다.
In order to solve the above-mentioned problems, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a health food The purpose of this study was to develop a health supplements as a kind of consciousness, which is to clean and select the eel processing head of eel hair, internal (including liver), gallbladder (blue color), and epidermal part, The extracts prepared by the pulverized micropowder had antioxidative activity and thus had antioxidant activity and antioxidant activity. Thus, a low temperature vacuum having antioxidant activity And extracts of eel bone-processing by-products extracted by the method of the present invention.

이상의 설명에서와 같이, 본 발명의 항산화활성을 가진 저온진공으로 추출한 장어 뼈-가공부산물의 추출물 및 그 분획 추출물들은 항산화활성을 가짐으로서, 노화방지 및 면역증강활성을 가지며, 이에 따라 간기능관련치료제 및 면역활성화제용 치료제로 사용될 수 있다. 또한, 독성이 전혀 없으므로 건강보조식품으로도 널리 이용될 수 있는 효과를 나타낼 수도 있다.
As described above, the extracts of the eel bone-processing by-products extracted with low temperature vacuum having the antioxidant activity of the present invention and the fraction extracts thereof have antioxidative activity and thus have anti-aging and immunity enhancing activity, And immunotherapeutic agents. In addition, there is no toxicity, so it can be widely used as a health supplement.

이하, 본 발명의 이해를 돕기 위하여 구체적인 실시예를 통하여 본 발명의 구성 및 효과를 보다 상세히 설명하기로 한다. 그러나 하기 실시예는 본 발명을 보다 명확하기 이해시키기 위한 것일 뿐이며, 본 발명의 하기 실시예에 한정되는 것은 아니다.
Hereinafter, the configuration and effects of the present invention will be described in more detail with reference to specific embodiments in order to facilitate understanding of the present invention. However, it should be understood that the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[실시예 1] 장어 뼈와 가공부산물을 이용한 장어 추출물 시료의 조제
[Example 1] Preparation of eel extract samples using eel bones and processing by-products

본 발명에서 사용되는 장어 추출물 재료는 장어의 가식부분을 제외한 장어 머리, 간, 내장, 쓸개, 표피부분의 장어 가공부산물을 이용하여, 잘 세정하고 정선한 후, 이들 장어 뼈와 가공부산물들을 저온진공에 의하여 분말화 하였으며, 장어뼈-부산물(이하 “장어부산물” 이라함) 분말 600 g을 각각 200 g씩 나누어, 아래와 같이 각각의 추출물을 제조하는데 사용하였다.
The eel extract material used in the present invention is well cleaned and selected using eel processing by-products of the eel's head, liver, internal organs, gallbladder, and epidermis except for the edible part of the eel, and the eel bones and processing by- And 600 g of eel bone-by-product (hereinafter referred to as "eel by-product") powders were each divided into 200 g portions and used to produce each of the extracts as described below.

1) 장어부산물 생리식염수 추출물(Px)1) Eel by-product physiological saline solution (Px)

상기 장어부산물 분말 200 g을 생리적 식염수 완충용액에 해당하는 완충액인 pH 7.2의 50 mM PBS(phosphate-buffered saline)용액 300ml으로 분쇄 한 뒤, 4 ℃, 15,000xg에서 20분간 원심분리하였으며, 원심분리하여 100 ml를 활성검정에 사용하였다.
200 g of the eel by-product powder was pulverized with 300 ml of a 50 mM phosphate buffered saline solution (pH 7.2) corresponding to physiological saline buffer solution, centrifuged at 15,000 x g for 20 minutes at 4 ° C, centrifuged 100 ml was used for the activity assay.

상기 장어부산물 분말을 생리적 식염수 완충용액으로 원심분리하여 추출한 생리식염수 추출물 10 ml를 건조하여, 수율을 검정한 결과 13%로서 총 25g을 얻었다.
The eel by-product powder was centrifuged with physiological saline buffer solution to extract 10 ml of physiological saline solution. The yield was 13%, and a total of 25 g was obtained.

2) 장어부산물 메탄올 추출물(Mx)2) Eel by-product methanol extract (Mx)

상기 장어부산물 분말 200g에 1 ℓ의 메탄올(MeOH)을 가하여 70℃에서 3시간 동안 가온 침출하여 여과(동양여지 No. 1)하고 여액을 모아 감압농축 후, 정량하여 실험에 사용하였다. 농축액은 약 50 ㎖가 얻어져, 이를 동결건조하여 동결건조분말 약 12g을 얻었으며, 수율은 약 6%에 해당한다.
To 200 g of the eel by-product powder was added 1 liter of methanol (MeOH), and the mixture was heated at 70 ° C for 3 hours for leaching. The filtrate was collected by filtration (Oriental paper No. 1). The filtrate was collected and concentrated under reduced pressure. About 50 ml of the concentrate was obtained and lyophilized to obtain about 12 g of freeze-dried powder, and the yield was about 6%.

3) 장어부산물 열수 추출물(Hx)3) Hot water extract of eel by-products (Hx)

열수추출액 조제를 위하여, 상기 장어부산물 분말 200g에 1 ℓ 물을 첨가하여 45℃의 가열맨틀에서 2시간동안 보온하여 1 mm 크기의 막필터를 사용하여 여과하였다. To prepare the hot water extract, 1 L of water was added to 200 g of the eel by-product powder, which was then kept in a heating mantle at 45 DEG C for 2 hours and filtered using a membrane filter having a size of 1 mm.

여과된 장어부산물 분말의 추출물에 불용성 물질은 제거하고 상층액은 회전식 감압 농축기(Rotary vaccum Evaporator)로 50% 정도의 부피가 되게 농축하였다.
The insoluble material was removed from the filtered extract of eel by-product powder and the supernatant was concentrated to a volume of about 50% using a rotary vacuum evaporator.

상기 농축액10 ml를 건조하여, 수율을 검정한 결과 12%로서 총 24g을 얻었으며, The concentrate (10 ml) was dried to obtain a total yield of 24% (12%).

상기 1)장어부산물 생리식염수 추출물(Px)과 3)장어부산물 열수 추출물(Hx)의 수율은 유사하였다.
The yields of 1) eel by - product physiological saline (Px) and 3) eel by - product hot water extract (Hx) were similar.

[실험방법] 저온진공으로 추출한 장어부산물의 추출물에 대한 항산화활성
[Experimental] Antioxidant activity of extracts of eel by-products extracted by low temperature vacuum

1. DPPH radical 소거 항산화 활성 측정One. Measurement of DPPH radical scavenging antioxidant activity

DPPH (2,2-Diphenyl-2-picrylhydrazy를 이하 “DPPH” 로 표기함) radical을 소거하는 활성은 Blois(1958)의 방법을 수정하여 측정하였으며, 상기 장어부산물 열수추출물(Hx) 2 ㎖ (0.01, 0.05, 0.1, 0.5 그리고 1% 농도)에 0.2 mM DPPH 용액 1 ㎖을 첨가하고, 10초간 혼합 후, 30분간 실온에서 반응시킨다. The activity of scavenging DPPH (2,2-Diphenyl-2-picrylhydrazy, hereinafter referred to as "DPPH") radical was measured by modifying the method of Blois (1958) and 2 ml of the hot water extract (Hx) , 0.05, 0.1, 0.5 and 1% concentration), add 0.2 ml of a 0.2 mM DPPH solution, mix for 10 seconds, and react at room temperature for 30 minutes.

전자공여능(EDA)은 시료 첨가군와 무첨가군(대조군)의 흡광도 차이를 백분율로 나타내며, 무첨가군(대조군)은 시료대신 증류수로 측정하고, positive control로 α-tocopherol를 이용하여 비교하였으며, 파장 517 nm에서 흡광도 변화를 측정하였다.
Electron donating ability (EDA) was measured by using distilled water instead of the sample, and compared with α-tocopherol as a positive control, and the absorbance difference of the sample added group and the no added group (control group) The absorbance change was measured.

○ EDA (%) = (100 - 시료 첨가군 흡광도 / 대조군 흡광도) × 100
○ EDA (%) = (100 - absorbance of sample group / absorbance of control group) × 100

2. Hydorgen peroxide 소거능2. Hydorgen peroxide scavenging ability

Hydorgen peroxide 소거능은 Duh(1999)등과 Ruch (1989)등의 방법에 준하여 측정하였으며, pH 7.4의 PBS(phosphate-buffered saline)로 제조한 1 mM 과산화수소 용액 0.6 ㎖와 시료 용액 1 ㎖를 30℃에서 10분간 반응 시킨 뒤 230 nm에서 흡광도를 측정하였다.Hydorgen peroxide scavenging activity was measured according to the method of Duh (1999) et al. And Ruch (1989). 0.6 ml of 1 mM hydrogen peroxide solution and 1 ml of sample solution prepared in phosphate buffered saline (PBS) The absorbance was measured at 230 nm.

이때 Blank는 과산화수소 없이 PBS 용액만으로, 대조군은 시료 용액없이 과산화수소-PBS 용액으로 사용하였다.
At this time, the blank was used as the hydrogen peroxide-PBS solution without the hydrogen peroxide and the control solution without the sample solution.

○ 저해율 (%) = (100 - 시료 첨가군의 흡광도 / 대조군의 흡광도 ) × 100
○ Inhibition rate (%) = (100 - absorbance of sample addition group / absorbance of control group) × 100

< 실험 결과 >
<Experimental Results>

1. 장어부산물의 추출물(Px, Mx, Hx) 농도에 따른 항산화활성으로 DPPH 유리기 소거 효과 1. Effect of DPPH free radical scavenging on the antioxidant activity of extracts (Px, Mx, Hx)

생체내 지질과산화(lipid peroxide)의 연쇄반응에 관여하는 O2-, H2O2 등과 같은 산화성 자유 유리기 (free radical)를 소거활성으로 항산화활성을 자유 유리기 (free radical)인 DPPH (2,2-diphenyl-2-picrylhydrazyl)를 hydrazine 형태로 환원시키는 활성을 측정하였다.    (DPPH) (2,2-diphenyl-2 (2-diphenyl-2-pyrrolidone)) as an antioxidant, and the oxidative free radicals such as O2- and H2O2, which are involved in the in vivo lipid peroxide chain reaction, picrylhydrazyl) to hydrazine form was measured.

DPPH는 자신이 가지고 있는 홀수의 전자 때문에 517 nm에서 강한 흡수 흡광밴드를 나타내지만 phenolic 화합물과 같이 수소에 전자를 제공해주는 전자공여체와 함께 반응을 하게 되면 전자나 hydrogen radical을 받아 phenoxy radical을 생성하게 된다. 따라서 흡수밴드도 사라지게 되면서 생체에서 안정한 분자가 된다. 이때 공여된 전자는 비가역적으로 결합하며 그 갯수에 따라서 원래 진보라색(strong brown, pink color)인 DPPH 색은 점점 옅어지게 되고 흡광도도 감소하게 된다.
DPPH exhibits a strong absorptive absorption band at 517 nm due to its odd number of electrons, but if it reacts with an electron donor that provides electrons to hydrogen, such as a phenolic compound, it reacts with electrons or hydrogen radicals to generate phenoxy radicals . Therefore, the absorption band disappears and becomes a stable molecule in the living body. At this time, the donated electrons are irreversibly combined and the DPPH color, which is originally a strong brown color, gradually becomes weaker and the absorbance decreases.

장어부산물의 생리식염수 추출물(Px), 메탄올 추출물(Mx), 열수 추출물(Hx)을 농도별 유리기(free radical) 소거 활성을 DPPH에 대한 전자공여능 (electron donating ability, EDA)으로 측정하였다. 그 결과 생리식염수 추출물(Px)과 열수 추출물(Hx)의 활성은 유사하여, 열수 추출물(Hx)과 메탄올 추출물(Mx)의 결과만 표 1에 나타내었다.
Free radical scavenging activity of eel byproducts was measured by electron donating ability (EDA) against physiological saline (Px), methanol extract (Mx) and hot water extract (Hx). As a result, the activities of physiological saline (Px) and hot water extract (Hx) were similar, and only the results of hot water extract (Hx) and methanol extract (Mx) were shown in Table 1.

즉, 열수 추출물(Hx)의 활성은 0%일 때 11.6±3.2%, 0.01%일 때 14.3±5.2%, 0.1%일 때 22.7±5.7%, 0.5%일 때 25.1±6.6%, 1%일 때 37.2±7.8%의 소거활성을 나타내었으며,That is, the activity of hydrothermal extract (Hx) was 11.6 ± 3.2% at 0%, 14.3 ± 5.2% at 0.01%, 22.7 ± 5.7% at 0.1%, 25.1 ± 6.6% at 1% 37.2 ± 7.8% of the scavenging activity,

또한, 메탄올 추출물(Mx)의 활성은 0%일 때, 11.3±4.1%, 0.01%일 때 18.4±3.5%, 0.1%일 때 35.4±4.6%, 0.5%일 때 45.5±5.3%, 1%일 때 54.3±3.4% 소거활성을 나타내었다(표 1). The activity of the methanol extract (Mx) was 11.3 ± 4.1% at the 0%, 18.4 ± 3.5% at the 0.01%, 35.4 ± 4.6% at the 0.1%, 45.5 ± 5.3% at the 0.5% (54.3 ± 3.4%) (Table 1).

한편, 천연항산화제로 널리 알려진 1% α-tocopherol (79.41% 소거율)을 positive control로 비교하였다. On the other hand, 1% α-tocopherol (79.41% eradication rate), a natural antioxidant, was compared with a positive control.

Figure 112012046645181-pat00001
Figure 112012046645181-pat00001

열수 추출물(Hx)의 0.01%, 0.05%, 0.1%, 0.5%, 1% 농도에 대한 DPPH radical의 소거효과에 대하여 파장 517 nm에서 흡광도를 측정하여 전자공여능 (electron donating abiliy : EDA)을 나타내었다.
The absorbance of DPPH radicals at 0.01%, 0.05%, 0.1%, 0.5% and 1% concentration of hydrothermal extract (Hx) was measured at 517 nm to show electron donating abundance (EDA) .

전자공여능 공식 EDA (%) =〔100-{(시료 첨가군 O.D/시료 무첨가군 O.D)×100}
Electron donating ability formula EDA (%) = [100 - {(sample addition group OD / sample no addition group OD) × 100}

양성 대조군 : 1% α-tocopherol = 80.1%.
Positive control: 1% α-tocopherol = 80.1%.

2. 장어부산물 열수추출물(Hx)의 농도에 따른 Hydorgen peroxide 소거 효과
2. Removal of Hydorgen peroxide by concentration of hot water extract (Hx) of eel by-products

Superoxide anion radical(O2-), 과산화수소(H2O2), hydroxyl radical(OH), 과산화지질(lipid peroxide), nitric oxide(NO), peroxinitrite(NO32-), thiol peroxy radical(R-SO2-)등의 ROS (Reactive Oxygen Species)는 SOD에 의해 일부 소거되지만, 과산화지질의 생성을 촉진하는 것으로 알려져 있으며, 과산화 지질은 동맥경화, 뇌졸중 등의 성인병의 원인이 되고, 간조직의 세포막에 과산화지질이 증가하면 세포의 기능이 저하되어 염증이 유발된다.
ROS such as superoxide anion radical (O2-), hydrogen peroxide (H2O2), hydroxyl radical (OH), lipid peroxide, nitric oxide (NO), peroxynitrite (NO32-), thiol peroxy radical (Reactive Oxygen Species) is partially cleared by SOD, but it is known to promote the production of lipid peroxidation. Peroxide lipid is a cause of adult diseases such as arteriosclerosis and stroke. When lipid peroxidation increases in the cell membrane of liver tissue, And the inflammation is induced.

장어부산물 열수추출물(Hx)에 대한 효과를 검정하기 위하여, 장어부산물 열수추출물(Hx)을 농도별에 따른 Hydorgen peroxide 저해율을 측정한 결과를 표 2에 나타내었으며, In order to test the effect of hot water extract (Hx) on eel byproducts, the results of measurement of Hydorgen peroxide inhibition rate by hot water extract (Hx) of eel by-product were shown in Table 2,

그 결과를 살펴보면, 0%에서는 14.3±1.3%, 0.05%에서는 15.6±2.5%, 0.1%에서는 21.3±3.2%, 0.5%에서는 32.5±3.5%, 1%에서는 45.3±5.2%, 2%에서는 47.2±5.6%의 hydrogen peroxide 소거능을 나타내었다(표 2).The results are as follows: 14.3 ± 1.3% in 0%, 15.6 ± 2.5% in 0.05%, 21.3 ± 3.2% in 0.1%, 32.5 ± 3.5% in 0.5%, 45.3 ± 5.2% in 1% and 47.2 ± 5.6% of hydrogen peroxide was eliminated (Table 2).

Figure 112012046645181-pat00002
Figure 112012046645181-pat00002

Hydrogen peroxide 소거 효과는 파장 240 nm에서 흡광도를 측정하여 저해율(%)을 구하였으며,
The inhibition rate (%) of the hydrogen peroxide scavenging effect was determined by measuring the absorbance at a wavelength of 240 nm,

저해율 (%) = 〔100 -{(시료 첨가군 O.D / 시료 무첨가 O.D) × 100}〕.
Inhibition rate (%) = [100 - {(sample addition group OD / sample no addition OD) 100}.

상기의 결과에 따라서, In vitro상에서 지질과산화의 연쇄반응에 관여하는 산화성 free radical을 소거함으로써 항산화제로 작용하는 물질은 free radical인 DPPH를 hydrazine 형태로 환원시키는 능력을 측정하여 검색할 수 있는 것으로, 장어열수추출물의 농도별 free radical 소거 활성을 DPPH에 대한 전자공여능 (electron donating ability, EDA)으로 측정에서, 장어열수추출물의 농도가 증가할수록 free radical 소거활성의 증가를 보여 농도 의존적인 효과가 있음을 알 수 있다. 또한, 천연항산화제로 널리 알려진 1% α-tocopherol (79.41%)과 free radical 소거활성을 비교했을 때 같은 농도의 1% 장어열수추출물의 free radical 소거활성이 유의적인 증가 경향을 보였다.
According to the above results, a substance acting as an antioxidant by eliminating oxidative free radicals involved in a chain reaction of lipid peroxidation in vitro can be detected by measuring the ability to reduce free radical DPPH to hydrazine form, The free radical scavenging activity of hot-water extracts was determined by electron donating ability (EDA) for DPPH, and the free radical scavenging activity was increased with increasing concentration of hot-water extract of eel . Compared with 1% α-tocopherol (79.41%) which is widely known as a natural antioxidant, the free radical scavenging activity of 1% eel hot water extract of the same concentration was significantly increased.

또한, 장어열수추출물의 농도별에 따른 hydorgen peroxide 저해율(%)을 측정하였으며, 장어열수추출물의 농도가 증가할수록 유의적으로 hydrogen peroxide 저해율이 증가하여 농도 의존적인 효과를 나타내었다. 이러한 결과로써 장어열수추출물의 항산화 효과는 강력한 free radical 소거활성과 함께 지질과산화 억제 활성에 기인됨을 유추할 수 있었다.
In addition, the inhibition rate of hydorgen peroxide (%) was measured according to the concentration of eel hot - water extract. As the concentration of eel hot - water extract increased, the inhibitory effect of hydrogen peroxide was increased. These results suggest that the antioxidative activity of Eel extract is attributed to its strong free radical scavenging activity and lipid peroxidation inhibitory activity.

본 실험 결과로 장어열수추출물은 항산화제로서 노화방지 및 면역증강활성을 가져, 이에 따른 간기능관련치료제 및 면역활성화제용 치료제로 사용될 수 있을 것으로 기대한다.
As a result of this experiment, it is anticipated that the eel 's hot - water extract can be used as antioxidant for anti - aging and immune - stimulating activity, and thus can be used as a therapeutic agent for liver function - related treatment and immune activator.

Claims (3)

장어의 가식부분을 제외한 장어 머리, 간, 내장, 쓸개, 표피부분의 장어 가공부산물을 잘 세정하고 정선한 후, 이들 장어 뼈와 가공부산물들을 저온진공에 의하여 분말화 하였으며,

상기 분말화된 장어부산물 분말 200g에 1 ℓ 물을 첨가하여 45℃의 가열맨틀에서 2시간동안 보온하여 1 mm 크기의 막필터를 사용하여 여과 한 후,
여과된 장어부산물 분말의 추출물에 불용성 물질은 제거하고 상층액은 회전식 감압 농축기(Rotary vaccum Evaporator)로 50%의 부피로 농축하여 장어부산물 열수 추출물(Hx)을 유효성분으로 함유하여 항산화활성을 가진 지질과산화 방지용 건강식품 조성물
After the eel processing by-products of the eel's head, liver, internal organs, gallbladder, and epidermis except the edible part of the eel are cleaned and selected, the eel bones and processing by-products Powdered by low temperature vacuum,

One liter of water was added to 200 g of the pulverized eel by-product powder, which was kept in a heating mantle at 45 ° C for 2 hours and filtered using a membrane filter having a size of 1 mm,
The insoluble material was removed from the filtered extract of eel by-product powder, and the supernatant was concentrated to a volume of 50% using a rotary vacuum evaporator to obtain a lipid having antioxidant activity containing hot water extract (Hx) Health food composition for prevention of peroxidation
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JP2001346547A (en) * 2000-06-06 2001-12-18 Imayama Hidetaka Method for producing dietary supplement fine powder using bone of eel or conger eel as raw material
KR20020075151A (en) * 2001-03-22 2002-10-04 양재덕 mushroom eel boiled food
KR20110093436A (en) * 2010-02-12 2011-08-18 부경대학교 산학협력단 Carnosine extracted from marine animals and the method thereof

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JP2001346547A (en) * 2000-06-06 2001-12-18 Imayama Hidetaka Method for producing dietary supplement fine powder using bone of eel or conger eel as raw material
KR20020075151A (en) * 2001-03-22 2002-10-04 양재덕 mushroom eel boiled food
KR20110093436A (en) * 2010-02-12 2011-08-18 부경대학교 산학협력단 Carnosine extracted from marine animals and the method thereof

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