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육가공품에 사용되는 아질산염의 사용기준, 대사, 섭취량과 안전성에 대한 조사 연구
이근택,강종옥,김천제,이무하,이성기,이주연,이주운,조수현,주선태,진구복,최성희,Lee Keun-Taik,Kang Jong-Ok,Kim Cheon-Jei,Lee Mooha,Lee Sung Ki,Lee Joo-Yeon,Lee Ju-Woon,Cho Soo-Hyun,Joo Seon-Tea,Chin Koo B.,Choi Sung-Hee 한국축산식품학회 2005 한국축산식품학회지 Vol.25 No.1
During the 1970s, concern arose that cured meats contained high levels of residual nitrite and preformed nitrosamines. Therefore, the search for alternatives and alternative approaches to the use of nitrite have been still continued, however no complete alternative for nitrite has yet been identified. Recently, it was publicized in Korea that nitrite-containing meat products would be detrimental to health, about which consumers have been seriously concerned. Therefore, this study was carried out to inform the consumer of the safety status of nitrite and thereby to lead proper consumption of meat products. For assessing the safety of nitrite, data regarding the regulation for use, metabolism in human body, and dietary intake amounts of nitrite were collected and analyzed. The mean intake level of nitrite for Korean per capita was recently reported to be not more than 1% of ADI set by JECFA. On the contrary, a calculation indicated that the daily nitrite intake per capita from saliva by ingestion of vegetables in Korea would be about 300-fold higher than that from cured meats. In consideration of the low consumption amount of meat products per capita of Korean, that is, at least one fifth, compared to European and American, there is no particular reason to concern about the impairment of health by nitrite intake from meat products for Korean. However, any effort for the reduction of residual nitrite content in cured meats should be given with an idea to minimize the intake of nitrite even from the minor source.
김일석,진상근,이무하,Kim Il-Suk,Jin Sang-Keun,Lee Mooha 한국축산식품학회 2005 한국축산식품학회지 Vol.25 No.1
본 연구는 한국에서 사육된 한우와 일본에 한국산 육성우를 수출하여 일본 사양표준에 의해 사육된 한우 및 일본의 화우육간 미생물 및 단백질 추출성을 상호 비교하여 기초적인 품질정보를 얻고자 실시되었다. 진공포장 쇠고기는 4±1℃에 저장하면서 13일차에 분석하였다. 미생물검사에서 총균수는 각 부위별 비교에서 우둔이 가장 높게 나타났다(p<0.0001). 내냉성 미생물의 경우 우둔이 비교적 높게 나타났으나 유의적인 차이는 없었으며 등심에서 가장 낮게 검출되었다. E. coli는 각 부위별 비교에서 유의적인 차이는 없었다. 젖산균은 한국산 3등급 목심에서 가장 많이 검출되었다(P<0.0001). 수용성 단백질에 있어서는 등심, 목심, 우둔 중에서 목심 부위에서 가장 많이 나왔다(p<0.001). 등심의 경우 수용성 단백질은 3등급 한우와 화우에서 가장 많은 3.010, 2.977mg/g이었으며, 다음은 1등급 한우로 2.927 mg/g이었다(p<0.001). 등심의 염용성 단백질의 경우 1등급 한우가 7.437mg/g으로 가장 많았다. This study was carried out to get the informations on microbes and protein extractability through comparing the quality attributes of Hanwoo fed in Korea, Hanwoo fed in Japan and Japanese Wagyu. The fresh beefs were stored at 4±l℃ for 13 days. In microbiological test, the total plate counts were higher in rump than in other beef portion as loin, chuck (p<0.000l). The number of psychrotrobes in the rump were maintained high levels (p>0.0001) for storage period, whereas the loin from Hanwoo fed in Korea, Hanwoo fed in Japan and Wagyu were lowest levels. The number of E. coli were no significantly different among the samples. In lactic acid bacteria, the loin form 3 grade Hanwoo (K3) had highest levels (p<0.0001). Comparing to the protein extractability, water soluble proteins were high in chuck (p<0.001). In the case of loin, water soluble proteins of K3 (3 grade Hanwoo) and Wagyu were high as 3.010 mg/g and 2.977 mg/g, respectively (p<0.001). Salt soluble protein of K1 (1 grade Hanwoo) was high as 7.437 mg/g (p<0.0001).