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Hypoglycemic Effects of Basidiomycetes Mycelia and Cereals Fermented with Basidiomycetes

버섯 균사체 및 배양곡물의 혈당강하 효과

  • Published : 2007.10.30

Abstract

To develop basidiomycetes-fermented cereals with hypoglycemic property, inhibitory effects of basidiomycetes mycelia and basidiomycetes-fermented cereals on postprandial glucose were investigated. In vitro effect of basidiomycetes mycelia on retarding the membrane transport of glucose was compared with pectin. For basidiomycetes mycelia, $13.1{\pm}3.6{\sim}41.8{\pm}8.0%$ of total glucose remained in inner solution of dialysis membrane after dialysis for 120 min, indicating that most of basidiomycetes mycelia might effectively retard membrane transport of glucose. Glucose tolerance of basidiomycetes mycelia and basidiomycetes-fermented cereals was tested on streptozotocin-induced diabetic rats administrated with maltose. Postprandial glucose levels of basidiomycetes mycelia, $389.4{\pm}43.8{\sim}426.3{\pm}49.4mg/dL$, were considerably lower than that of control, $535.3{\pm}78.6mg/dL$, at 30 minutes after maltose administration. Namely, basidiomycetes mycelia showed better postprandial glucose lowering effect than pectin. Brown rice and barley fermented with Paecilomyces japonica showed much lower postprandial glucose level than raw brown rice and barley, especially hypoglycemic effect of barley fermented with Paecilomyces japonica was significant.

혈당강하 효능을 갖는 버섯배양곡물을 개발하기 위하여 수종의 버섯균과 버섯배양곡물의 식후 혈당상승 억제 효과를 조사하였다. 균사체의 포도당 투과지연 효과를 측정한 결과 120분 동안 투석후 전체 포도당 중 $13.1{\pm}3.6{\sim}41.8{\pm}8.0%$의 포도당이 투석막 내액에 잔존하는 것으로 나타나 대부분의 균사체가 pectin보다 포도당의 투석막 밖으로의 투과를 지연시키는 효과가 컸다. 당뇨쥐에 균사체를 투여한 후 혈당변화를 조사한 결과 맥아당 섭취후 30분 경과시 $389.4{\pm}43.8{\sim}426.3{\pm}49.4mg/dL$로 대조구의 $535.3{\pm}78.6mg/dL$에 비해 상당히 낮은 값을 나타내어 버섯균사체의 식후 혈당상승 억제 효과가 우수한 것으로 나타났으며, 특히 Phellinus linteus와 Paecilomyces japonica의 효과가 우수하였다. Paecilomyces japonica를 배양한 버섯배양곡물을 당뇨쥐에 투여한 후 혈당변화를 조사한 결과 버섯 균사를 배양하지 않은 곡물에 비해 현저히 낮은 식후 혈당상승을 나타내어 버섯배양곡물이 우수한 혈당강하 효능을 나타냄을 알 수 있었고 특히 버섯배양 보리의 효과가 큰 것으로 나타났다.

Keywords

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