KR101588291B1 - Method of reducing stink in epicarp of ginkgo biloba using hydrothermal treatment - Google Patents
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
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Abstract
본 발명은 은행 외과피를 열수 처리하는 것을 포함하는 은행 외과피의 혐오취를 저감시키는 방법에 관한 것이다. 본 발명의 방법에 의할 경우 은행 외과피의 주요 혐오취 성분인 부티르산 함량을 감소시키고, 그 결과 은행 외과피의 혐오취를 저감시킬 수 있다.The present invention relates to a method for reducing an aversion of a bank suture including hydrothermal treatment of the bank suture. By the method of the present invention, it is possible to reduce the content of butyric acid, which is a major disincentive component of the bank's sphincter, and thereby reduce the aversion of the bank's sphincter.
Description
본 발명은 은행 외과피를 열수 처리하는 것을 포함하는 은행 외과피의 혐오취를 저감시키는 방법에 관한 것이다.The present invention relates to a method for reducing an aversion of a bank suture including hydrothermal treatment of the bank suture.
은행(Ginkgo biloba)은 예로부터 그 잎과 열매, 뿌리까지 한방과 민간요법에서 여러 질환에 약물로 쓰여져 왔으며, 은행나무의 수명이 길어서 장수를 돕는 식품으로 여겨져 왔다. 은행은 은행나무과에 속하는 낙엽교목으로 세계적으로 단 1과 1속 1종뿐이며, 한때 전세계에 분포되어 있었으나 지금은 동남아시아 지역에서 주로 자생되고 있다. 은행나무에는 플라보노이드 계통의 살충, 살균 성분이 있어 병들거나 해충이 먹는 일이 없으며, 오염된 토양환경에서도 비교적 잘 생육하는 특성이 있다. 은행 추출물은 24 %의 플라보노이드류(ginkgo flavone glycosides) 성분과 6 %의 테르펜류(ginkgolides 및 bilobalides)로 이루어져 있으며, 수 천년 동안 중국에서 기관지 천식 및 기관지염 치료제로 사용되어 왔다. 또한 서구사회에서는 말초혈류장애와 뇌부전증의 치료에 탁월한 효과를 갖는 것으로 알려져 있다. Ginkgo biloba ) has long been used as a medicine for various diseases in leaves, fruits, roots and folk medicine. It has long been regarded as food for longevity because of its long life span. The bank is a deciduous tree belonging to the ginkgo division. It is only 1 and 1 genus in the world. It was once distributed all over the world, but it is now growing mainly in Southeast Asia. Ginkgo has a flavonoid-based insecticide and germicide component, so it does not eat sickness or pests, and has a good growth characteristic even in polluted soil environment. Bank extracts consist of 24% of ginkgo flavone glycosides and 6% of terpenes (ginkgolides and bilobalides) and have been used in China for bronchial asthma and bronchitis for thousands of years. It is also known to have an excellent effect in the treatment of peripheral blood flow disorder and brain dysfunction in Western societies.
한국농업연감(2001)의 자료에 의하면, 2000년 우리나라의 은행 총 생산량은 약 1,760 M/T이며 계속 증가되고 있는 추세이다. 국내 은행 사용량은 총 생산량의 20 % 정도이고 나머지 80 %는 가공되지 않은 상태에서 매우 저가로 대부분 일본으로 수출되고 있어, 은행의 부가가치를 높이는 일이 시급한 실정이다.According to the data of Korea Agricultural Yearbook (2001), the total production of Korean banks in 2000 was about 1,760 M / T, which is continuously increasing. Domestic banks use about 20% of total production and 80% of them are exported to Japan at very low cost with no processing, so it is urgent to increase the value added of banks.
은행은 은행나무의 황색의 열매로 다육성의 외과피(외과육)와, 흰색의 단단한 중과피, 그 중과피 안쪽의 갈색 피막의 내종피, 그 내종피 속의 청록색의 은행알(배젖과 배아)로 구성되어 있다. 은행알은 수분 55 %, 당질 38 %, 지방질 1.7 %, 단백질 5 %, 카로틴, 비타민 C, 칼슘, 칼륨, 인, 철분, 기타 레시틴, 아스파라긴산, 에르고스테롤 등을 함유한 영양성이 우수한 식품이다.The bank is composed of a yellow fruit of ginkgo, a multifocal suture, a white hard muscle, an inner coat of a brown coat inside the muscle, and a turquoise bank egg (endosperm and embryo) in the endosperm. Bank eggs are nutritious foods containing 55% moisture, 38% carbohydrates, 1.7% fat, 5% protein, carotene, vitamin C, calcium, potassium, phosphorus, iron and other lecithin, asparaginic acid and ergosterol.
그러나 은행 외과피에는 탄소수 4의 포화 지방산인 부티르산(butyric acid, CH3CH2CH2COOH)이 주요 혐오취로 존재하기 때문에, 특유의 구린 악취로 인해 사용이 꺼려지고 있다. 게다가, 알레르기를 일으키는 물질인 우루시올류[ginkgolic acid(C21H32O3) 80 %; bilobol(C21H30(OH)2) 18 %; ginkgol(C20H32OH) 2 %]가 함유되어 있어 이용되지 않고 버려지는게 대부분이다.Butyric acid (CH 3 CH 2 CH 2 COOH), which is a saturated fatty acid of carbon number 4, exists in the bank steroids as a major anomaly. In addition, the allergenic substance ginkgolic acid (C 21 H 32 O 3 ) 80%; bilobol (C 21 H 30 (OH) 2 ) 18%; ginkgol (C 20 H 32 OH) 2%] is contained, and it is mostly not used and discarded.
또한 열매(은행알)와 외과피의 부피비가 약 1 : 4 정도가 되는데 은행 열매를 수확하여 은행알을 얻기 위하여 외과피인 과육을 분리하는 과정에서 폐기되는 외과피의 비율이 크다. 또한 은행 열매에는 많은 양의 과액이 함유되어 있으므로 은행을 얻는 도중에 많은 양의 과액이 생겨서 수율이 낮다.In addition, the volume ratio of the fruit (bank eggs) and the sphincter is about 1: 4. The ratio of the sphincter to be discarded is large in the process of separating the flesh of the sphincter to obtain the bank eggs. In addition, since the bank fruit contains a large amount of overpotential, a large amount of overproduced water is produced during the banking and the yield is low.
현재까지 외과피에 함유된 과액과 외과피는 유효성분이 다량 함유되어 있음에도 불구하고 폐기처분되고 있어 자원낭비가 될 뿐 아니라, 폐기된 은행 열매에 함유된 과액과 외과피는 수질 환경을 오염시키고, 외과피가 썩는 동안에는 외과피의 특유의 냄새가 확산되어 대기 환경을 오염시키는 문제점이 제기되고 있다.Up to now, excessive fluid and surgical blood contained in the sphincter have been discarded despite being contained in large quantities of efficacious substances, which is not only a waste of resources but also pollutes the water and the environment of the surplus blood and the blood contained in the discarded ginkgo fruit, There is a problem that the specific odor of the scar can spread and pollute the atmospheric environment.
이와 관련하여, 한국 공개특허공보 특1997-0025450호 등에는 은행에서 씨를 제거하고 남은 외과피와 중과피를 과즙을 내어 특정 조건하에서 숙성시켜 은행 특유의 냄새를 제거하는 방법을 제안한 바 있다. 하지만 악취 유발 물질을 보다 효과적으로 제거하는 기술에 대한 개발이 필요한 실정이다.In this connection, Korean Patent Laid-Open Publication No. 1997-0025450 has proposed a method for removing the odor of the bank by removing the seeds from the bank and aging the remaining cucurbit and macrocurf under a specific condition by juicing. However, there is a need to develop a technique to more effectively remove odor-causing substances.
이에 본 발명에서는 은행 외과피의 혐오취 성분을 분석하고 이를 저감화하는 방법을 제공하는 것을 목적으로 한다.Accordingly, it is an object of the present invention to provide a method for analyzing and reducing the abominable components of a bank's outer layer.
이에 본 발명자들은 상기와 같은 목적을 달성하기 위하여 예의 연구를 거듭한 결과, 은행 외과피를 열수 처리할 경우 주요 혐오취 성분인 부티르산 함량을 감소시키고, 그 결과 은행 외과피의 혐오취를 저감시킬 수 있음을 발견하여 본 발명을 완성하기에 이르렀다.Accordingly, the present inventors have conducted intensive studies in order to achieve the above object, and as a result, it has been found that when the bank sterilization is hydrothermally treated, the content of butyric acid, which is a major aversion component, is reduced and as a result, And finally completed the present invention.
본 발명의 방법에 의할 경우 은행 외과피의 주요 혐오취 성분인 부티르산 함량을 감소시키고, 그 결과 은행 외과피의 혐오취를 저감시킬 수 있다. 이에 따라 은행 외과피의 산업적 활용도를 크게 높여 은행의 부가가치를 높일 수 있을 것으로 기대된다.By the method of the present invention, it is possible to reduce the content of butyric acid, which is a major disincentive component of the bank's sphincter, and thereby reduce the aversion of the bank's sphincter. As a result, it is expected to increase the value added of banks by greatly increasing industrial utilization of bank sutures.
도 1은 부티르산의 표준검량곡선을 나타낸 것이다.Figure 1 shows the standard calibration curves for butyric acid.
이하, 본 발명을 상세히 설명하기로 한다. 다만, 본 발명은 다양한 형태로 변경되어 구현될 수 있으며, 여기에서 설명하는 구현예에 한정되는 것은 아니다.Hereinafter, the present invention will be described in detail. However, it should be understood that the present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics thereof.
일 측면에서, 본 발명은 은행 외과피를 열수 처리하는 것을 포함하는 은행 외과피의 혐오취를 저감시키는 방법에 관한 것이다.In one aspect, the present invention relates to a method of reducing an aversion of a bank suture including hydrothermal treatment of the bank suture.
다른 측면에서, 본 발명은 은행 외과피를 열수 처리하는 것을 포함하는 은행 외과피 중 부티르산 함량을 감소시키는 방법에 관한 것이다.In another aspect, the present invention is directed to a method of reducing the butyric acid content in a bank suture comprising hydrothermally treating a bank suture.
열수 처리하는 방법은 특별히 제한되지 않으나, 은행 외과피에 물을 첨가하여 가열하는 방식을 이용하는 것이 바람직하다.The method of hydrothermal treatment is not particularly limited, but it is preferable to use a method of heating water by adding water to the bank suture.
본 발명에서는 다양한 조건으로 은행 외과피에 열수 처리를 하고, 그에 따른 부티르산의 함량 변화를 측정한 결과, 은행 외과피에 존재하는 부티르산 함량이 크게 감소함을 발견하였다.In the present invention, hydrothermal treatment of bank suture was performed under various conditions, and the content of butyric acid was varied. As a result, the content of butyric acid present in the bank suture was greatly reduced.
하기의 실시예를 통하여 본 발명을 보다 상세하게 설명한다. 그러나 하기 실시예는 본 발명의 내용을 구체화하기 위한 것일 뿐 실시예에 의해 본 발명이 한정되는 것은 아니다.The present invention will be described in more detail with reference to the following examples. However, the following examples are for the purpose of illustrating the present invention and are not intended to limit the scope of the present invention.
[실시예][Example]
시료의 준비Preparation of sample
본 실시예에서 사용된 은행은 2011년 10월 말에서 11월 초에 두성은행영농조합에서 수확한 것으로, 노랗게 잘 익은 상태의 열매를 사용하였다. 은행 외과피는 종실부를 제거한 후 2절하여 사용하였다. The bank used in this example was harvested from the Doosung Bank Farming Association in late October and early November 2011 and used yellow ripe fruit. Blood surgeries were used in Section 2 after removing the seeds.
열수Heat number 처리 process
은행 외과피에 수분을 첨가하여 고온처리를 실시하였다. 첫 번째 그룹(비교예 1 및 실시예 1 내지 6)은 은행 외과피의 부피에 2 배가 되도록 물을 첨가한 시료를 100℃에서 서로 다른 시간 조건(0 분, 30 분, 1 시간, 2 시간, 3 시간, 4 시간 및 10 시간)으로 나누어 가열하였다. 두 번째 그룹(비교예 2 및 실시예 7 내지 11)은 1 시간 동안 은행에 첨가하는 물의 부피를 달리하여 가열하였다. 즉, 은행 외과피 대 물을 1:0, 1:1, 1:2, 1:3, 1:4 및 1:10 (w/v)로 설정하였다.Moisture was added to the bank suture and subjected to high temperature treatment. The first group (Comparative Example 1 and Examples 1 to 6) was prepared by adding water to the volume of the bank's cortex twice at 100 ° C under different time conditions (0 minutes, 30 minutes, 1 hour, 2 hours, 3 Hour, 4 hours and 10 hours). The second group (Comparative Example 2 and Examples 7 to 11) was heated by varying the volume of water added to the bank for 1 hour. That is, the bank cortex was set at 1: 0, 1: 1, 1: 2, 1: 3, 1: 4 and 1:10 (w / v).
이상의 열수 처리 조건을 하기 표 1에 나타내었다.The above hydrothermal treatment conditions are shown in Table 1 below.
부티르산 함량 분석Butyric acid content analysis
유기산을 분석하기 위하여, 은행 외과피를 마쇄하였다. 이 마쇄물을 10 g 취하여 HPLC용 물에 1:9 (w:v)의 비율로 혼합하고, 균질기로 5 분간 분쇄한 후에 4,000 rpm, 4℃, 10 분간 원심분리기로 분리하였다. 분리된 상등액 2 mL을 0.20 ㎛ PVDF 시린지 필터(Whatman사 제조)로 여과한 후에 분석에 이용하였다. HPLC 분석 조건은 하기 표 2와 같고 표준 물질로는 부티르산(Sigma-aldrich사 제조)을 사용하였다.To analyze the organic acid, the bank sperm was crushed. 10 g of this mixture was mixed with 1: 9 (w: v) water for HPLC for 5 minutes and then centrifuged at 4,000 rpm at 4 ° C for 10 minutes. 2 mL of the separated supernatant was filtered through a 0.20 mu m PVDF syringe filter (Whatman) and used for analysis. HPLC analysis conditions are shown in Table 2 below and butyric acid (manufactured by Sigma-Aldrich) was used as a standard substance.
표준 물질을 희석하여 분석한 결과 값을 이용하여 표준검량곡선을 작성하였다(도 1). 도 1의 표준검량곡선에 대입하여 시료별 부티르산의 함량 변화를 확인하여 하기 표 3에 나타내었다.Standard calibration curves were prepared using the results of dilution of the standard material (Figure 1). The change in the content of butyric acid in each sample was confirmed by substituting the standard calibration curve in FIG. 1, and the results are shown in Table 3 below.
표 3에 나타난 바와 같이, 첫 번째 그룹은 열수 처리 시간이 길어질수록 부티르산의 함량이 줄어드는 것을 확인할 수 있었다. 특히 10 시간 동안 열수 처리를 한 실시예 6의 경우, 비교예 1의 부티르산 양인 30,571 ppm에서 1,120 ppm으로 약 27 배 감소하였다.As shown in Table 3, the content of butyric acid in the first group was decreased as the hydrothermal treatment time was prolonged. Particularly, in Example 6 in which hydrothermal treatment was performed for 10 hours, the amount of butyric acid in Comparative Example 1 decreased from 30,571 ppm to 1,120 ppm by about 27 times.
두 번째 그룹 중 물을 첨가하지 않고 가열 처리한 비교예 2의 부티르산 함량은 11,032 ppm으로 비교예 1에 비해 2 배 이상 감소하였으나, 실시예 7 내지 11에 비해서는 높은 부티르산 함량을 나타내었다. 은행 외과피 시료에 물의 비율을 높여서 혼합할수록 부티르산의 양이 더 많이 감소함을 알 수 있었고, 10 배의 물을 첨가하여 열수 처리를 한 실시예 11의 경우 10 시간 동안 열수 처리를 한 실시예 6과 비슷한 감소율을 나타냄을 확인하였다.In the second group, the butyric acid content of Comparative Example 2, which was heat-treated without addition of water, was 11,032 ppm, which was more than 2 times lower than that of Comparative Example 1, but higher butyric acid content than Examples 7 to 11. The amount of butyric acid was decreased more as the ratio of water to the bank sphincter sample was increased. In the case of Example 11 in which 10 times of water was added and hydrothermal treatment was performed, in Example 6, which was hydrothermally treated for 10 hours, And it is confirmed that it shows a similar decrease rate.
Claims (4)
The method according to claim 1, wherein the butyric acid content is reduced to 1/27 to 1/6 of that before hydrothermal treatment.
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