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Physiochemical Characteristics of Calcium Supplement Manufactured using Starfish

불가사리를 이용하여 제조한 칼슘보충제의 이화학적 특성

  • Park, Hee-Yeon (Food and Safety Division, National Fisheries Research & Development Institute) ;
  • Lee, Jung Im (Food and Safety Division, National Fisheries Research & Development Institute) ;
  • Nam, Ki-Ho (Food and Safety Division, National Fisheries Research & Development Institute) ;
  • Jang, Mi-Soon (Food and Safety Division, National Fisheries Research & Development Institute)
  • 박희연 (국립수산과학원 식품안전과) ;
  • 이정임 (국립수산과학원 식품안전과) ;
  • 남기호 (국립수산과학원 식품안전과) ;
  • 장미순 (국립수산과학원 식품안전과)
  • Received : 2012.08.20
  • Accepted : 2012.10.05
  • Published : 2012.10.30

Abstract

For developing calcium supplement from the harmful marine organism starfish, the physiochemical property of the powdered starfish skeletal plate and the hydrolysis condition of the starfish digestive enzyme were studied. The optimal hydrolysis condition of the starfish digestive enzymes was at $55^{\circ}C$ for 12 h. The bulk densities of the powdered starfish skeletal plates of Asterias amurensis and Asterina pectinifera were $1.1{\pm}0.0$ and $1.2{\pm}0.0g/cm^3$, respectively. As for the median size, the values were 10.738 and $11.799{\mu}m$, respectively. According to the added concentration of sodium polyacrylate, the dispersibility rate of the powdered starfish skeletal plate was shown to be 6h at 0.0%, 3 days at 0.1%, 20 days at 0.2%, and until 30 days at 0.4%. The elementary composition of the powdered starfish skeletal plates from A. amurensis and A. pectinifera mainly consisted of calcium, and it formed 98.95 and 98.52% of the powdered starfish skeletal plates, respectively. The results of the X-ray diffraction (XRD) analysis showed that they were present in the form of $CaCO_3$. Based on these results, it is suggested that starfish skeletal plate can be utilized as a functional material for a calcium supplement.

수산업의 해적생물인 불가사리를 이용하여 칼슘보충제를 개발하기위해 불가사리 소화효소에 의한 가수분해 조건과 불가사리 골판 분말의 이화학적 특성에 대하여 분석하였다. 불가사리 소화효소에 의한 가수분해 조건은 온도 $55^{\circ}C$에서 12시간동안 실시하는 것이 적절하였다. 불가사리 골판 분말의 겉보기밀도는 아무르불가사리 $1.1{\pm}0.0g/cm^3$, 별 불가사리 $1.2{\pm}0.0g/cm^3$이었으며 median size는 아무르불가사리 $10.738{\mu}m$, 별불가사리 $11.799{\mu}m$이었다. 폴리아크릴산나트륨의 첨가농도에 따른 불가사리 골판 분말의 분산성은 0.0%에서 6시간, 0.1%에서 3일, 0.2%에서 20일, 0.4%에서 30일까지 양호하였으며 염산에 대한 화학반응속도는 별불가사리 0.053 mL/sec, 아무르불가사리 0.057 mL/sec, 탄산칼슘 0.063 mL/sec이었다. 불가사리 골판 분말의 원소 조성은 칼슘이 아무르불가사리 98.95%, 별불가사리 98.52%이었으며 XRD상 분석결과, 탄산칼슘의 형태로 존재하였다. 이상과 같은 연구결과로 미루어 볼 때 불가사리 골판은 칼슘보충제의 소재로 사용이 가능할 것으로 판단된다.

Keywords

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