KR100576554B1 - Dried seafood containing water-soluble chitosan and manufacturing method thereof - Google Patents
Dried seafood containing water-soluble chitosan and manufacturing method thereof Download PDFInfo
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- KR100576554B1 KR100576554B1 KR1020040003139A KR20040003139A KR100576554B1 KR 100576554 B1 KR100576554 B1 KR 100576554B1 KR 1020040003139 A KR1020040003139 A KR 1020040003139A KR 20040003139 A KR20040003139 A KR 20040003139A KR 100576554 B1 KR100576554 B1 KR 100576554B1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/12—Preserving with acids; Acid fermentation
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L17/00—Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L17/00—Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof
- A23L17/30—Fish eggs, e.g. caviar; Fish-egg substitutes
- A23L17/35—Fish-egg substitutes
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Abstract
본 발명은 분획 수용성 키토산을 함유하는 건어물 및 그 제조방법에 관한 것으로, 보다 상세하게는 수평균 분자량이 10∼15만인 분획 수용성 키토산 0.05∼5 중량% 농도의 수용액 100 중량부에 대하여 아스코르빈산 0.01∼10 중량부, 구연산 0.1∼10 중량부를 함유하는 분획 수용성 키토산 수용액으로 생선 및 어패류 등의 건어물을 코팅 처리한 분획 수용성 키토산 함유 건어물 및 그 제조방법에 관한 것이다. 본 발명의 분획 수용성 키토산 함유 건어물은 키토산 고유의 항균성과 더불어 보조성분의 항산화 기능 및 부패방지 효능으로 인해 해로운 미생물의 번식을 억제하고 장기간 보존이 가능한 효과가 있다.The present invention relates to a dried fish containing fraction water-soluble chitosan and a method for producing the same, and more specifically, ascorbic acid 0.01 to 100 parts by weight of an aqueous solution of 0.05 to 5% by weight fraction water-soluble chitosan having a number average molecular weight of 10 to 150,000. The present invention relates to a fraction water-soluble chitosan-containing dried fish obtained by coating a dried fish such as fish and shellfish with an aqueous solution of fraction water-soluble chitosan containing -10 parts by weight and 0.1 to 10 parts by weight of citric acid, and a method for producing the same. Fractional water-soluble chitosan-containing dried fish of the present invention has the effect of inhibiting the reproduction of harmful microorganisms and long-term preservation due to the antimicrobial inherent antibacterial activity and anti-corruption efficacy of the auxiliary component.
건어물, 분획 수용성, 키토산, 항산화제, 코팅Dried fish, fraction water soluble, chitosan, antioxidant, coating
Description
본 발명은 분획 수용성 키토산을 함유하는 건어물 및 그 제조방법에 관한 것으로, 좀 더 구체적으로는 항균성, 산화방지성 및 부패방지 기능을 지니는 수평균 분자량 10∼15만인 분획 수용성 키토산으로 코팅 처리된 건어물 및 그 제조방법에 관한 것이다.The present invention relates to a dried fish containing fraction water-soluble chitosan, and to a method for producing the same, more specifically, dried fish coated with fraction water-soluble chitosan having a number average molecular weight of 10 to 150,000 having antibacterial, antioxidant and anti-corruption functions; It relates to a manufacturing method.
건어물은 생선류 및 어패류를 자연건조 또는 인공건조 시켜 해로운 미생물의 번식을 억제함으로써 장기간 보존할 수 있는 상태로 만든 식품이나, 아무리 일광에 의한 자연건조 또는 열풍에 의한 인공건조를 행하여도 외부산소로 인한 건어물의 산패 및 해로운 미생물에 의한 부패를 방지하는데 한계가 있는 것이 사실이다.Dried fish is a food made in a state that can be preserved for a long time by restraining propagation of harmful microorganisms by naturally or artificially drying fish or shellfish, or dried fish by external oxygen, no matter how it is dried by natural sunlight or by hot air. It is true that there is a limit in preventing the spoilage and decay by harmful microorganism.
따라서, 종래에는 이러한 건어물의 단점을 개선하여 장기간 보존 가능한 식품을 제공하기 위하여 전통적으로 식품의 신선도를 유지하는 화학약품을 사용하였으나, 최근 들어 화학약품에 대한 유해성 논란이 제기되면서 건어물의 신선도 유지 및 장기간 보존 상태를 유지하기 위하여 천연물질을 이용하는 기술이 개발되고 있다.Therefore, conventionally, in order to improve the shortcomings of these dried fish to provide food that can be preserved for a long time, traditionally, chemicals that maintain the freshness of foods have been used. Technologies that use natural materials to maintain their preservation are being developed.
이러한 연구 중 최근에 공지된 여러 가지 국내외 특허문헌에 천연물질인 키토산을 함유한 식품보존제가 많이 알려져 있다. 키토산은 천연 생체고분자로서 예로부터 게, 새우 등 갑각류의 각질을 산에 침적시켜 칼슘 성분을 제거하고 다시 가성 소다에 침적시켜 단백질을 제거함으로써 얻어지는 키틴을 가공하여 얻어지는 물질로 통상의 조건에서는 고체 상태로 존재하며 약산에 의해 일부 용해된다.Among these studies, food preservatives containing chitosan, which is a natural substance, have been known in recent years. Chitosan is a natural biopolymer that is obtained by processing chitin, which is obtained by removing keratin from shellfish such as crabs and shrimps, and removing calcium components by dipping them in caustic soda. Present and partially dissolved by weak acid.
이와 관련된 선행기술을 살펴보면, 한국 공개특허 제 2003-11482호에 특정분자량 및 탈아세틸화도를 갖는 키토산 및 카르복시메틸 키토산을 수용액으로 만들어 건어물 표면에 도포시킴으로써 미생물의 번식 및 산패를 방지한다고 개시되어 있다. 그러나, 상기 특허는 키토산 수용액과 카르복시메틸 키토산 수용액을 혼합 사용하는 것이므로 키토산 유도체인 카르복시메틸 키토산을 제조하는 공정이 필연적으로 수반되는 것이어서 건어물의 표면처리에 따른 전체공정을 감안하면 복잡하고 경제성이 떨어져 실효성에 의문이 제기될 수 있다.Looking at the related art, Korean Patent Laid-Open Publication No. 2003-11482 discloses that chitosan and carboxymethyl chitosan having a specific molecular weight and a degree of deacetylation are made into an aqueous solution and applied to the dried surface to prevent microbial propagation and rancidity. However, since the patent uses a mixture of chitosan aqueous solution and carboxymethyl chitosan aqueous solution, the process of preparing carboxymethyl chitosan, which is a chitosan derivative, is inevitably involved, and considering the overall process according to the surface treatment of dried fish, it is complicated and economical ineffectiveness. Questions may be raised in
또한, 일본공개특허공보 소64-71439호에 탈아세틸화도가 적어도 70% 이상인 키토산과 아스코르빈산의 혼합물을 유효성분으로 함유하는 어패류의 신선도 보존제가 개시되어 있다. 그러나, 이 문헌에도 키토산의 탈아세틸화도에 대해서만 기재되어 있고, 키토산 고유의 항균성을 나타내는 분자량 분포의 중요성에 대해서는 전혀 언급이 없이 단지 키토산과 아스코르빈산의 혼합 수용액에 어패류를 침지시키는 정도로만 개시되어 있다.Further, Japanese Unexamined Patent Publication No. 64-71439 discloses a freshness preservative for fish and shellfish containing a mixture of chitosan and ascorbic acid having a deacetylation degree of at least 70% or more as an active ingredient. However, this document also describes only the degree of deacetylation of chitosan and discloses only the degree of immersion of fish and shellfish in a mixed aqueous solution of chitosan and ascorbic acid, without mentioning the importance of molecular weight distribution showing the antimicrobial inherent antibacterial properties. .
한편, 본 출원의 발명자는 키토산에 대한 꾸준한 연구를 거듭한 결과, 다양한 분자량 분포를 갖는 키토산 혼합물을 초음파, 효소처리, 이온활성공정, 분리막 공정 등으로 분리 정제하는데 성공하여 한국특허 제200547호로 등록한 바 있으며, 이 기술은 미국에서도 그 기술의 우수성을 인정받아 미국특허 제5,730,876호로 등록받은 바 있다. 이렇게 제조된 수용성 키토산 분획 표준 물질은 기존의 키토산과는 엄격하게 차별화된 신물질로서 첨단기술인 분리막 시스템 공법을 이용하여 분자량별 표준물질 분획 산업화로 제품의 용도에 맞게 넓은 기능성을 나타낸다.On the other hand, the inventors of the present application has continued to study chitosan, and as a result, succeeded in separating and purifying chitosan mixtures having various molecular weight distributions by ultrasonication, enzyme treatment, ion activation process, membrane process, etc. and registered as Korean Patent No. 200547. In addition, the technology has been registered in the United States Patent No. 5,730,876 in recognition of its superiority in the United States. The water-soluble chitosan fractionation standard material thus prepared is a new material strictly differentiated from the existing chitosan, and exhibits broad functionality according to the use of the product by industrializing the fractionation of the standard substance by molecular weight using the advanced membrane system method.
따라서, 본 발명자는 자체개발한 키토산 물질의 원천기술을 바탕으로 광범위한 연구를 수행하여 키토산 중 수평균 분자량이 10∼15만인 분획 수용성 키토산이 항균성과 미생물 번식 억제능이 우수함을 발견하였고, 김치 영양 강화제로 응용하여 한국특허 제317482호로 등록받은 바 있다.Therefore, the present inventors conducted extensive research based on the original technology of chitosan material developed in-house, and found that the fraction water-soluble chitosan having a number average molecular weight of 10-150,000 in chitosan has excellent antibacterial and microbial propagation inhibitory ability. It has been registered as Korean Patent No. 317482.
본 발명은 수평균 분자량 10∼15만인 분획 수용성 키토산의 항균성에 기초하여 장기간 보존가능한 생선류 및 어패류 등의 건어물을 제공하기 위하여 본 발명을 완성하기에 이르렀다.The present invention has been completed to provide dried fish, such as fish and shellfish, which can be stored for a long time based on the antimicrobial activity of the fraction water-soluble chitosan having a number average molecular weight of 10 to 150,000.
따라서, 본 발명의 목적은 건어물에 항산화 및 부패방지 기능을 부여하여 해로운 미생물의 번식을 억제하고, 장기간 보존이 가능한 분획 수용성 키토산을 함유하는 건어물을 제공하는데 있다.Accordingly, an object of the present invention is to provide dried fish containing fraction-soluble chitosan, which gives antioxidants and anti-corruption functions to dried fish, inhibits the growth of harmful microorganisms, and enables long-term storage.
본 발명의 또 다른 목적은 상기 분획 수용성 키토산을 함유하는 물질로 표면이 코팅 처리된 건어물을 제조하는 방법을 제공하는데 있다. 상기 목적을 달성하기 위한 본 발명에 따른 분획 수용성 키토산 함유 건어물은 수평균 분자량이 10∼15만인 분획 수용성 키토산 0.05∼5 중량% 농도의 수용액 100 중량부에 대하여 아스코 르빈산 0.01∼10 중량부, 구연산 0.1∼10 중량부를 함유하는 분획 수용성 키토산 수용액으로 생선 및 어패류 등의 건어물을 코팅 처리하는 것으로 이루어진다.Still another object of the present invention is to provide a method of preparing a dried fish surface coated with a material containing the fraction water-soluble chitosan. Fraction-soluble chitosan-containing dried fish according to the present invention for achieving the above object is 0.01 to 10 parts by weight of ascorbic acid, citric acid based on 100 parts by weight of an aqueous solution of 0.05 to 5% by weight fraction water-soluble chitosan having a number average molecular weight of 10 to 150,000 It consists of coating-processing dried fish, such as fish and a seafood, with the fraction aqueous solution of chitosan containing 0.1-10 weight part.
상기 또 다른 목적을 달성하기 위한 본 발명에 따른 분획 수용성 키토산 함유 건어물의 제조방법은 통상의 침지방법에 따라 건어물의 표면을 코팅 처리함에 있어서, 건어물의 중량에 대하여 분획 수용성 키토산 수용액의 고형분이 0.1∼5 중량%로 함유되는 것으로 이루어진다.According to the present invention, the method for preparing a fraction water-soluble chitosan-containing dried fish according to the present invention for coating the surface of the dried fish in accordance with a conventional dipping method, the solid content of the aqueous solution of the fraction water-soluble chitosan with respect to the weight of the dried fish It consists of 5% by weight.
이하, 본 발명을 좀 더 구체적으로 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail.
본 발명에 따른 분획 수용성 키토산 수용액의 주성분으로서 천연 키토산 중 수평균 분자량이 10∼15만인 분획 수용성 키토산을 사용하였다. 천연 키토산은 수평균 분자량이 1000부터 100만 이상까지 다양한 분자량 분포를 갖는데 이러한 넓은 분자량 분포 중에서 평균 분자량이 10∼15만인 것이 보존기간을 장기간으로 연장 유지시키며 건어물의 맛을 유지하는데 바람직하였다. 즉, 수평균 분자량이 10만 미만인 경우는 항균성이 상대적으로 떨어지므로 실제 사용에 한계성이 있어 보존기간 역시 단축되며, 25만을 초과하면 항균성이 떨어지는 것 이외에 수용액의 점도가 높아 표면을 균일하게 코팅처리하는데 어려움이 있다.As the main component of the aqueous aqueous solution of fractional chitosan according to the present invention, fractional water-soluble chitosan having a number average molecular weight of 10 to 150,000 in natural chitosan was used. Natural chitosan has a molecular weight distribution ranging from 10 to 1 million or more in number average molecular weight. Among these broad molecular weight distributions, an average molecular weight of 10 to 150,000 was preferred to maintain the taste of dried fish for a long time. In other words, if the number average molecular weight is less than 100,000 antimicrobial activity is relatively low, there is a limit to the practical use, and the shelf life is also shortened. There is difficulty.
상기 분획 수용성 키토산을 순수한 물에 녹인 수용액의 농도는 0.05∼5 중량%인 것이 사용되는 바, 수용액의 농도가 0.05 중량% 미만이면 코팅의 효과가 미미하며, 5 중량%를 초과하면 키토산 본연의 맛인 떫은 맛이 건어물의 풍미를 저해함과 아울러 고점도로 인한 균일한 코팅에 난점이 있다.The concentration of the aqueous solution of fractional water-soluble chitosan dissolved in pure water is 0.05 to 5% by weight. When the concentration of the aqueous solution is less than 0.05% by weight, the effect of the coating is insignificant. The astringent taste impairs the flavor of the dried fish and has a difficulty in uniform coating due to high viscosity.
한편, 본 발명의 분획 수용성 키토산 수용액은 상기 분획 수용성 기토산의 항균성 및 미생물 번식 억제능에 부가하여 건어물의 산화를 방지하고 보존기간을 장기간 유지시킬 수 있는 보조성분을 더욱 포함하여 상기 효과를 배가시될 수 있다. 예를 들어, 비타민 C는 항암작용, 항산화작용, 키토산 분해기능을 증가시키므로 이를 주성분으로 하는 아스코르빈산을 상기 분획 수용성 키토산 0.05∼5 중량% 농도의 수용액 100 중량부에 대하여 0.01∼10 중량부로 사용하였다. 상기 함량이 0.01 중량부 미만이면 필요량의 비타민의 공급에 1차 문제가 되고, 항산화제의 기능을 하지 못하는 2차 문제가 있으며, 10 중량부를 초과하면 체내 흡수보다 체외로 배출되는 문제가 발생한다.On the other hand, the aqueous solution of the fraction water-soluble chitosan of the present invention, in addition to the antimicrobial activity and the ability to inhibit the growth of microorganisms of the fraction water-soluble chitosan further comprises the auxiliary component that can prevent the oxidation of dried fish and maintain the shelf life for a long time. Can be. For example, since vitamin C increases anticancer activity, antioxidant activity, and chitosan degrading function, ascorbic acid, which is a main component thereof, is used in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of an aqueous solution of 0.05 to 5% by weight of the fraction-soluble chitosan. It was. If the content is less than 0.01 parts by weight is a primary problem in the supply of the required amount of vitamins, there is a secondary problem that does not function as an antioxidant, if more than 10 parts by weight is caused to be discharged to the body than absorption in the body.
또한, 본 발명에서는 항산화제의 기능을 증대시키고, 비타민 C의 안정제 및 산패를 방지하기 위해 구연산을 사용하였으며, 사용량은 0.1∼10 중량부이다. 상기 함량이 0.1 중량부 미만이면 항산화제의 기능이 발휘되지 않는 문제가 발생하며, 10 중량부를 초과하면 신맛이 강하여 건어물을 먹기 힘든 경우가 발생한다.In addition, in the present invention, citric acid was used to increase the function of the antioxidant and to prevent stabilization and rancidity of vitamin C, and the amount used is 0.1 to 10 parts by weight. If the content is less than 0.1 parts by weight, there is a problem that the function of the antioxidant is not exhibited, and if it exceeds 10 parts by weight, it is difficult to eat dried fish due to the strong sour taste.
한편, 본 발명의 분획 수용성 키토산 함유 건어물은 다음과 같은 방법으로 제조한다.On the other hand, the fraction water-soluble chitosan-containing dried fish of the present invention is prepared by the following method.
수평균 분자량 10∼15만인 분획 수용성 키토산을 순수한 물에 녹여 0.05∼5중량% 농도의 수용액을 제조하는 단계, 이 수용액 100 중량부에 대하여 아스코르빈산 0.01∼10 중량부 및 구연산 0.1∼10 중량부를 첨가하여 균일한 수용액을 형성하는 단계, 건어물을 수용액에 1∼3 시간 침지시키는 단계, 건어물 표면의 수분을 건조시키는 단계를 포함하는 것으로 이루어진다. 상기 제조방법에 의해 제조된 건어 물에는 건어물의 중량에 대하여 분획 수용성 키토산 수용액의 고형분이 0.1∼5 중량% 함유되는 것이 바람직하다. 고형분의 함량이 0.1 중량% 미만이면 첨가효과가 미미하고, 5 중량%를 초과하면 키토산 본연의 맛인 떫은 맛이 나타나 건어물의 풍미를 저해한다.Dissolving fractional water-soluble chitosan having a number average molecular weight of 10 to 150,000 in pure water to prepare an aqueous solution having a concentration of 0.05 to 5% by weight, 0.01 to 10 parts by weight of ascorbic acid and 0.1 to 10 parts by weight of citric acid based on 100 parts by weight of this aqueous solution. Adding to form a uniform aqueous solution, immersing the dried fish in an aqueous solution for 1 to 3 hours, and drying the moisture on the surface of the dried fish. It is preferable that the dried fish prepared by the said manufacturing method contains 0.1-5 weight% of solid content of the fraction aqueous solution of chitosan with respect to the weight of dried fish. If the content of solids is less than 0.1% by weight, the effect of addition is insignificant, and if it exceeds 5% by weight, the astringent taste of chitosan's natural taste appears to inhibit the flavor of dried fish.
이하 실시예를 통하여 본 발명을 좀 더 구체적으로 설명하지만, 하기 실시예에 본 발명의 범주가 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following Examples, but the scope of the present invention is not limited to the following Examples.
[실시예1]Example 1
순수한 물 98g에 수평균 분자량 10만의 분획 수용성 키토산 2g을 가하고 상온에서 2시간 교반하여 수용액을 얻었다. 이 수용액에 아스코르빈산 1g과 구연산 1g을 차례로 첨가하여 1 시간을 더 교반함으로써 균일한 수용액을 형성하였다. 통상의 건멸치 100g을 상기 균일한 수용액 50g에 2시간 동안 침지시킨 후 건조하여 건어물 표면에 분획 수용성 키토산이 코팅 처리된 건어물을 얻었다 .2 g of water-soluble chitosan with a number average molecular weight of 100,000 was added to 98 g of pure water, followed by stirring at room temperature for 2 hours to obtain an aqueous solution. 1 g of ascorbic acid and 1 g of citric acid were sequentially added to the aqueous solution, followed by further stirring for 1 hour to form a uniform aqueous solution. 100 g of dried anchovy was dipped in 50 g of the uniform aqueous solution for 2 hours, and then dried to obtain a dried fish coated with fraction water-soluble chitosan on the surface of the dried fish.
[실시예2]Example 2
순수한 물 95g에 수평균 분자량 15만의 분획 수용성 키토산 5g을 가하고 상온에서 2시간 교반하여 수용액을 얻었다. 이 수용액에 아스코르빈산 10g과 구연산 10g을 차례로 첨가하여 1 시간을 더 교반함으로써 균일한 수용액을 형성하였다. 통상의 건멸치 100g을 상기 균일한 수용액 24g에 2시간 동안 침지시킨 후 건조하여 건어물 표면에 분획 수용성 키토산이 코팅 처리된 건어물을 얻었다.5 g of a water-soluble chitosan with a number average molecular weight of 150,000 was added to 95 g of pure water, followed by stirring at room temperature for 2 hours to obtain an aqueous solution. 10 g of ascorbic acid and 10 g of citric acid were sequentially added to the aqueous solution, followed by further stirring for 1 hour to form a uniform aqueous solution. 100 g of dried anchovy was dipped in 24 g of the homogeneous aqueous solution for 2 hours, and then dried to obtain a dried fish coated with fraction water-soluble chitosan on the dried fish surface.
상기 실시예1 및 2에서 얻어진 분획 수용성 키토산이 처리된 건멸치의 미생물 억제능을 실험한 결과, 키토산을 처리하지 않은 건멸치에 비해 4 일 이후의 미 생물 수가 현저하게 줄어드는 것을 확인하였고, 이는 수평균 분자량 10∼15만인 분획 수용성 키토산의 항균성에 기인하는 것으로 판단하였다.As a result of the microbial inhibitory ability of the dried anchovy treated with fraction water-soluble chitosan obtained in Examples 1 and 2, it was confirmed that the number of microorganisms after 4 days was significantly reduced compared to the dried anchovy without chitosan, which was a number average. It was judged to be due to the antimicrobial activity of the fraction water-soluble chitosan of molecular weight 10-150,000.
본 발명에서 제조된 분획 수용성 키토산 함유 건어물은 수평균 분자량 10∼15만인 분획 수용성 키토산의 항균성으로 인하여 해로운 미생물의 번식을 억제하고, 분획 수용성 키토산 함유 수용액에 포함된 보조성분인 아스코르빈산과 구연산의 항산화기능 및 부패방지 효능이 부가되어 장기간 보존이 가능하며 건어물의 풍미가 저해되지 아니하여 가공 및 유통산업 분야에 유용하게 적용될 수 있다.The fraction water-soluble chitosan-containing dried fish prepared in the present invention suppresses the growth of harmful microorganisms due to the antimicrobial activity of the fraction water-soluble chitosan having a number average molecular weight of 10 to 150,000, and the ascorbic acid and citric acid, which are auxiliary components contained in the aqueous solution containing fraction water-soluble chitosan. Antioxidant and anti-corruption effects are added to enable long-term preservation and the flavor of dried fish is not impaired, which can be usefully applied to the processing and distribution industries.
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