국내산 원유 중의 구리 및 망간 함량의 계절적 변화

Seasonal Changes of Copper and Manganese Content in the Raw Bovine Milk in Korea

  • Kwak Byung-Man (Research and Development Center, Namyang Dairy Products Corporation) ;
  • Jun Yeun-Myoung (Research and Development Center, Namyang Dairy Products Corporation) ;
  • Kim Kang-Seob (Quality Assurance part-3, Namyang Dairy Products Corporation) ;
  • Lee Ki-Woong (Research and Development Center, Namyang Dairy Products Corporation) ;
  • Ahn Jang-Hyuk (Research and Development Center, Namyang Dairy Products Corporation) ;
  • Chang Chi-Hoon (Research and Development Center, Namyang Dairy Products Corporation)
  • 발행 : 2006.06.01

초록

본 연구는 2003년 7월부터 2004년 6월까지 약 1년에 걸쳐 국내의 충청도 및 전라도지역에서 집유한 원유에 함유된 구리 및 망간의 함량을 계절별로 정량한 결과이다. 원유 중 구리와 망간 함량은 계절에 따른 변화가 크지 않았으며, 구리의 경우, 봄($3월{\sim}5윌$)은 $10.10{\sim}26.00{\mu}g/100 mL$로 평균 $13.79{\mu}g/100 mL$, 여름($6윌{\sim}8월$)은 $5.06{\sim}15.41{\mu}g/100 mL$로 평균 $10.17{\mu}g/100 mL$, 가을($9월{\sim}11월$)은 $5.04{\sim}19.70{\mu}g /100 mL$로 평균 $10.70{\mu}g/100 mL$, 겨울($12월{\sim}2월$)은 $6.96{\sim}17.80{\mu}g/100 mL$로 평균 $12.11{\mu}g/100 mL$로 나타났다. 한편 망간의 경우는 봄($3월{\sim}5월$)은 $3.00{\sim}8.30{\mu}g/100 mL$로 평균 $4.87{\mu}g/100mL$, 여름($6월{\sim}8월$)은 $2.30{\sim}6.44 {\mu}g/100mL$로 평균 $3.75{\mu}g/100 mL$, 가을($9월{\sim}11월$)은 $2.81{\sim}6.04{\mu}g/100mL$로 평균 $3.82{\mu}g/100 mL$, 겨울($12월{\sim}2월$)은 $2.25{\sim}9.02 {\mu}g/100 mL$로 평균 $4.48{\mu}g/100 mL$로 나타났다. 대체적으로 봄에 가장 높고 여름에 가장 낮은 경향을 보였으나, 계절에 따른 통계상의 유의적인 차이는 인정할 수 없었다.

This study was conducted by using the ICP-AES (Inductively Coupled Plasma - Atomic Emission Spectrometry) to investigate the seasonal changes of copper and manganese content in the raw bovine milk. From July 2003 to June 2004, the milk samples were collected from the two geographical locations, Chungcheong-do and Jeolla-do, in Korean peninsula. Copper (Cu) content was determined in the range of min. 10.10 to max. 21.00 ${\mu}g$/100 mL (13.79 ${\mu}g$/100 mL) in spring, 5.06 to 15.41 (10.17) in summer, 5.04 to 19.70 (10.70) in autumn and 6.96 to 17.90 (12.11) in winter. For manganese (Mn), 3.00 to 8.30 (4.87) in spring, 2.30 to 6.44 (3.75) in summer, 2.81 to 6.04 (3.82) in autumn and 2.25 to 9.02 (4.48) in winter. Those data have shown that levels of copper and manganese was relatively constant but higher in Spring than other seasons, suggesting that the levels were not affected by seasons and different locations in Korea.

키워드

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