Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Pigment Content in Meju Fermented by a Monascus Species with Different Materials

Monascus속 곰팡이를 이용한 메주의 재료에 따른 색소함량

  • 김순동 (대구가톨릭대학교 식품공학과) ;
  • 김일두 (대구가톨릭대학교 식품공학과) ;
  • 박홍덕 (대구가톨릭대학교 식품공학과) ;
  • 박미자 (대구가톨릭대학교 식품공학과)
  • Published : 2001.12.01
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Abstract

The pigment content in meju fermented by a Monascus species with different materials was studied. The relations between growth of M. pilosus and pigment production were positive and the correlation coefficient associated with this relationship was determined to be : r = 0.9879. Pigments produced by M. purpureus and M. pilosus were composed of 9 and 8 bands, respectively. One kind of them was yellowish, whereas the others were reddish. Total pigment levels in rice meju fermented by M. purpureus and M. pilosus were 335.25 and 1428.90$\mu\textrm{g}$/g, respectively. Pigment levels in the mejus fermented at 3$0^{\circ}C$ showed higher than those at 20 and 4$0^{\circ}C$. The order of pigment content in meju was polished rice > germinated brown rice > wheat > brown rice > waxy brown rice > germinated waxy brown rice. Pigment production by M. pilosus was higher than that of M. purpureus. Pigment content in rice meju prepared by adding 10% seed culture was highest, and pigment content of granulated rice was higher than that of powdered rice. Pigment production was not desirable in soybean meju fermented by seed culture, whereas the pigment levels in meju by adding 10% powdered rice and 10% powdered rice seed meju increased by 23.0 ~75.0 $\mu\textrm{g}$/g.

Monascus속 곰팡이를 이용한 메주의 재료에 따른 색소함량을 조사하였다. 균의 생육과 색소생성과의 관계는 정의 상관으로 상관계수 r=0.9879를 나타내었다. M. purpureus와 M. pilosus 백미메주의 구성 색소는 각각 9종과 8종으로 구성 되었으며 다같이 황색색소는 1종,나머지는 모두 적색계 색소였다. 구성색소의 합계치는 M. purpureus 백미메주는 그램당 335.25$\mu\textrm{g}$/g, M. pilosus 백미메주는 1428.90$\mu\textrm{g}$이였다. 온도별 색소생성량을 조사한 결과 두 균주 모두 3$0^{\circ}C$가 20 및 40 $^{\circ}C$보다 높았다. 두 균주의 재료별 색소생성량은 백미>발아 현미>통밀>현미>찰현미>발아찰현미 순이였다. 백미메주의 색소함량은 기타 재료들과 M. purpureus로 발효시킨 메주에 비하여 현저하게 높았다. 종배양액은 10% 첨가시에 색소 생성량이 높았으며 분말에 비하여 낟알에서 높았다 콩메주의 제조시 종배양액 첨가는 균의 생육과 색소생성이 원만하지 못했으며, 증자콩에 백미분말 10% 첨가 또는 Monascus 백미 메주분말을 종균으로 10%를 첨가함으로서 각각 메주그램당 23.0$\mu\textrm{g}$ 및 75.0 $\mu\textrm{g}$으로 색소생성 량을 높일 수 있었으나 백미만을 사용한 메주보다는 색소함량이 현저하게 낮았다.

Keywords

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