[논문]국내산 무지개송어(Oncorhynchus mykiss)의 생산지에 따른 영양성분 비교

윤나영; 인정진; 안병규; 한형구; 손승아; 이우진; 이종봉; 배연주; 박혜민; 주홍준; 심길보

doi:10.5657/kfas.2023.0033

국내산 무지개송어(Oncorhynchus mykiss)의 생산지에 따른 영양성분 비교
Comparison of the Nutritional Composition of Rainbow Trout Oncorhynchus mykiss from Different Inland-based Trout Farms 원문보기

한국수산과학회지 = Korean journal of fisheries and aquatic sciences, v.56 no.1, 2023년, pp.33 - 43

윤나영 (국립수산과학원 식품위생가공과) , 인정진 (부경대학교 식품공학과) , 안병규 (부경대학교 식품공학과) , 한형구 (부경대학교 식품공학과) , 손승아 (부경대학교 식품공학과) , 이우진 (부경대학교 식품공학과) , 이종봉 (부경대학교 식품공학과) , 배연주 (부경대학교 식품공학과) , 박혜민 (부경대학교 식품공학과) , 주홍준 ((사)한국송어양식협회) , 심길보 (부경대학교 식품공학과)

Abstract ▼ AI-Helper

This study compared the nutritional composition of rainbow trout Oncorhynchus mykiss from different inland-based trout farms. The proximate composition ranges of the fish were 67.10-72.77 g/100 g moisture, 19.13-21.35 g/100 g crude protein, 5.12-11.72 g/100 g crude lipid, and 1.24-1.97 g/100 g ash. In addition, rainbow trout contained significantly different mono- and poly-unsaturated fatty acid concentrations, ranging from 1.31 to 4.33 g/100 g and 1.21 to 3.2 g/100 g, respectively. The content of n-3 and n-6 fatty acids ranged from 0.68 to 1.68 and from 0.49 to 1.61 g/100 g, respectively. The n-6/n-3 ratio was in the range of 0.79-1.59. The vitamin content of the rainbow trout from the different farms was 14.83-49.30 ㎍/100 g vitamin A, 922.05-3,179.38 ㎍/100 g alpha-tocopherol, ND-73.59 ㎍/100 g, gamma-tocopherol, 2.97-14.55 ㎍/100 g vitamin D, and 76.63-126.03 ㎍/100 g vitamin B2. Slight differences were observed in the crude lipid, fatty acid, and vitamins A and E contents among the of rainbow trouts from the different farms. The results suggest that the fish nutrient composition, especially that of lipids, was significantly different among rainbow trouts from different farms, but may not be related to the production area.

주제어

표/그림 (7)

표 Table 1. Location, total length, and body weight of rainbow trout Oncorhynchus mykiss from different inland-based trout farms
표 Table 2. Comparison of proximate composition (g/100g) of rainbow trout Oncorhynchus mykiss from different inland-based trout farms
표 Table 3. Comparison of total amino acid content (g/100g) of rainbow trout Oncorhynchus mykiss from different inland-based trout farms
표 Table 4. Comparison of fatty acid content (g/100g) of rainbow trout Oncorhynchus mykiss from different inland-based trout farms
표 Table 5. Comparison of vitamin A, E, D, and B2 (g/100g) of rainbow trout Oncorhynchus mykiss from different inland-based trout farms
그림 Fig. 1. Principal component analysis (PCA) plot showing the correlation of the nutrient composition of rainbow trout Oncorhynchus mykiss from different inland-based trout farms. A, Nutrient composition; B, Inland-based trout farms (●, Gyeongsangbuk; △, Chungcheongbuk; ■, Gangwon).
표 Table 6. Comparison of cholesterol and astaxanthin content (mg/100g) of rainbow trout Oncorhynchus mykiss from different inland-based trout farms

AI 본문요약
AI-Helper

문제 정의

따라서 본 논문에서는 국내에서 무지개송어가 주로 생산되고 있는 경상북도, 충청북도, 강원도 소재의 양식장으로부터 출하 전단계의 무지개송어에 대한 영양성분을 분석하고 대서양 연어와의 영양학적 품질을 비교평가하고자 하였다.

대상 데이터

본 실험에 원료로 사용한 무지개송어(Oncorhynchus mykiss)는 경상북도 4개소, 충청북도 3개소, 강원도 8개소에 위치한 양식장에서 12개월 동안 양식한 개체를 실험실로 운반하여 전처리한 후 시료로 사용하였다(Table 1).

데이터처리

무지개송어의 영양성분 분석결과는 평균±표준편차로 나타내었으며, 실험군 간의 통계적 유의성 검정은 SPSS 통계패키지(SPSS for window, version 25.0; IBM Corp., Armonk, NY, USA)에 의한 ANOVA test를 이용하여 분산분석한 후, Duncan의 다중 범위 검정(Duncan’s multiple range test)을 이용하여 P<0.05 유의수준에서 검정하였다.

성능/효과

γ-tocopherol 함량은 32.40–73.59 g/100 g이 검출되었으며, 양식장 5개소(경상북도 2개소, 충청북도 1개소, 강원도 2개소)의 양식장에서는 검출되지 않아 양식장별로 상당한 차이가 있었다(Table 5).
강원도 소재 8개 양식장에서 생산된 무지개송어의 α-tocopherol 함량은 993.27–3179.38 μg/100 g이었다
또한 조지방 함량이 낮은 양식장에서 조단백질함량은 가장 높았다(Table 2). 강원도 소재 8개 양식장에서 생산된 무지개송어의 일반성분 함량은 다른 지역과 마찬가지로 조지방 함량이 4.51 g/100 g에서 10.31 g/100 g으로 상당한 차이가 있었다(Table 2).
강원도 소재의 8개 양식장에서 생산된 무지개송어의 아스타잔틴 함량은 4.05–6.06 mg/100 g으로 생산지역에 따른 차이보다는 양식장에서 따라서 함량이 차이가 컸다(Table 6).
경상북도 소재 4개 양식장에서 생산된 무지개송어의 α-tocopherol 함량은 922.05–1806.36 μg/100 g이었으며, 충청북도 소재 3개 양식장에 생산된 시료의 α-tocopherol 함량은 1196.68–2501.31 μg/100 g이었다
경상북도 소재 4개 양식장에서 생산된 무지개송어의 일반성분 함량은 수분함량이 67.82–70.75 mg/100 g, 조지방 함량이 8.90–11.72 g/100 g, 조단백질 함량이 20.56–20.88 g/100 g이었으며, 회분함량이 1.32–1.63 mg/100 g이었다
경상북도 소재의 양식장에서 생산된 무지개송어의 아스타잔틴 함량은 불검출–5.34 mg/100 g이었으며, 충청북도 소재의 3개의 양식장에서 생산된 시료의 아스타잔틴 함량은 2.02–9.60 mg/100 g이었다
또한 무지개송어의 영양성분이 생산지역에 따른 차이보다는 생산되는 양식장의 양식시설과 사료, 보충제 등에 의하여 지방계열의 영양성분이 큰 영향을 받는 것으로 판단된다(Fig. 1).
생산지역에 따른 무지개송어의 비타민 D 함량은 1.15–14.03 μg/100 g으로, 생산지역보다는 양식장에 따라 상당한 차이가 있었다
양식산과 자연산 대서양 연어의 EPA (eicosapentaenoic acid) 함량은 각각 0.86, 0.32 g/100g이며, DHA (docosahexaenoic acid) 함량은 각각 1.12, 1.10 g/100g으로 보고되었으며, 생산지에 따른 무지개송어의 EPA 및 DHA 함량에 비하여 높았다.
63 mg/100 g이었다. 양식장별로는 조지방 함량이 차이가 있었으며, 조단백질 함량은 유의적인 차이가 없었다. 충청북도 소재 3개 양식장에서 생산된 무지개송어는 조지방 함량이 5.
양식장별로는 조지방 함량이 차이가 있었으며, 조단백질 함량은 유의적인 차이가 없었다. 충청북도 소재 3개 양식장에서 생산된 무지개송어는 조지방 함량이 5.93 g/100 g에서 11.20 g/100 g으로 상당한 차이가 있었다. 또한 조지방 함량이 낮은 양식장에서 조단백질함량은 가장 높았다(Table 2).

후속연구

1). 따라서 이러한 연구를 통하여 고품질의 무지개송어 생산을 위한 사료개선 등을 위한 기초자료로 활용이 가능할 것으로 판단된다.

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저자의 다른 논문 :

표제어: PCR

동의어: Packet Collision Rate

용어 설명 출처 목록 (6)

용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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