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Ultraviolet (UV)-B Irradiation Increased Vitamin D2 Contents in the Fruit Bodies of Pleurotus eryngii var. ferulae

자외선(UV)-B 조사에 의한 아위느타리버섯(Pleurotus eryngii var. ferulae) 자실체의 비타민 D2 함량 증가

  • Received : 2013.05.24
  • Accepted : 2013.06.13
  • Published : 2013.06.30

Abstract

The fresh fruit bodies of Pleurotus eryngii var. ferulae was irradiated with ultraviolet (UV)-B (280-320 nm) in order to increase vitamin $D_2$ contents, which was assayed using HPLC (Waters 1525, USA). The vitamin $D_2$ contents were $3.5{\mu}g/g$ after 3 min UV-B irradiation ($21.6KJ/m^2$) and $6.02{\mu}g/g$ after 5 min UV-B irradiation ($36KJ/m^2$), respectively, which showed the significant increase considering the vitamin $D_2$ content ($0.01{\mu}g/g$) before UV-B irradiation. This increasing effect was confirmed also for other edible mushrooms; Pleurotus eryngii, from $0.09{\mu}g/g$ to $2.75{\mu}g/g$ (3 min) and $5.21{\mu}g/g$ (5 min); Lentinus edodes, from $0.021{\mu}g/g$ to $3.02{\mu}g/g$ (3 min) and $3.78{\mu}g/g$ (5 min); Pleurotus ostreatus, from $0.19{\mu}g/g$ to $9.63{\mu}g/g$ (3 min) and $11.6{\mu}g/g$ (5 min). Although the original content of vitamin $D_2$ was the highest in P. ostreatus, the extent of increase by UV irradiation was remarkably high in P. eryngii var. ferulae.

아위느타리버섯(P. eryngii var. ferulae)의 비타민 $D_2$ (ergocalciferol) 함량 증강을 위하여 아위느타리버섯 자실체에 자외선(UV)-B파장(280-320 nm)을 조사하였다. 비타민 $D_2$ (ergocalciferol)의 증가된 함유량은 HPLC (Waters 1525, USA) 분석으로 확인하였다. 비타민 $D_2$ 함량은 3분($21.6KJ/m^2$) 처리시 $3.5{\mu}g/g$, 5분($36KJ/m^2$) 처리시 $6.02{\mu}g/g$으로 자외선을 조사하지 않은 대조군 $0.01{\mu}g/g$에 비교하여 높은 증가를 나타내었다. 이와 함께 큰느타리버섯(P. eryngii)은 대조군 $0.09{\mu}g/g$, 3분 처리시 $2.75{\mu}g/g$, 5분 처리시 $5.21{\mu}g/g$으로 나타났다. 표고버섯(L. edodes)은 대조군 $0.02{\mu}g/g$, 3분 처리시 $3.02{\mu}g/g$, 5분 처리시 $3.78{\mu}g/g$으로 나타났다. 느타리버섯(P. ostreatus)은 대조군 $0.19{\mu}g/g$, 3분 처리시 $9.63{\mu}g/g$, 5분 처리시 $11.60{\mu}g/g$으로 나타났다. 느타리버섯(P. ostreatus)의 비타민 $D_2$ 함량이 아위느타리버섯, 큰느타리버섯과 표고버섯 보다 높았으나 비타민 $D_2$ 함량 증가율은 아위느타리버섯이 월등히 높았다.

Keywords

References

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