삿갓이 완전히 펴진 표고버섯의 부위別에 따른 脂質의 特性과, 삿갓이 펴지지 않은 표고버섯의 乾燥方法에 따른 脂質의 變化를 硏究한 結果는 다음과 같다.
1. 삿갓이 펴진 표고버섯의 삿갓部位의 總脂質 含量은 4.58%이었고 자루部位는 2.6%이었으며 거의 大部分이 中性脂質(46.7~48.8%)과 憐脂質(42.0~43.8%)로 구성되어 있었으며 糖脂質은 적었다(9.2~9.5%)
2. 中性脂質의 主要成分은 tryacylglycerol이었고 憐脂質은 phosphatidyl ethanolamine이었다. 또한 脂質酸의 組成은 各脂質 및 部位에 따라 현격하게 달랐으며 C_(18:2), C_(16:1) 및 C_(18:1) 脂肪酸 順으로 含有되어 있었다.
3. 삿갓이 펴지지 않은 표고버섯의 總脂質은 2.5%(자루)~3.7%(삿갓)이었고 總脂質含量, 過酸化物價 및 카아보닐價는 乾燥方法에 따른 差異를 보이지 않았으며 總脂質의 酸價는 日乾試料가 生試料 및 熱風乾燥試料 보다 약간 낮았으나 日乾試料 中의 中性脂質含量은 다른 試料보다 높았다.
4. 가장 많은 部分을 차지한 中性 및 憐脂質의 主要成分의 삿갓이 완전히 펴진 표고버섯과 같았고 糖脂質은 digalactosyldiglycerol이었으며 日乾試料의 憐脂質中 phosphatidiyl ethanolamine과 phosphatidyl choline함량은 生試料 및 熱風乾燥試料보다 낮았다.
5. 모든 건조시료의 各 脂質 中의 主要 지방산조성은 삿갓이 펴진 시료의 경우와 비슷하였고 日乾試料의 C_(18:2) 脂肪酸함량은 다른 시료보다 높은 반면 C_(16:0) 지방산은 낮았다. 한편일건시료 중의불포화지방산 함량은 열풍건조시료 및 生시료보다 낮았다.
The properties of lipids in cap and stalk of "Koshin" (Shiitake, Lentinus edodes, withxpanded cap) were studied. It was also carried out that the characteristics of lipids in fresh "Donko"(unexpanded cap) and the changes of lipids in those samples by various drying process. The total lipid (TL) content in the cap and stalk of "Koshin" were 4.58% and 2.65% respectively. It was found that the contents of neutral lipids (NL, 46.7~48.8%) and phospholipids (PL, 42.0~43.8%) were high, while that of glycolipids(GL, 9.2~9.5%) was low. The main lipid in NL was triacylglycerol (TG, 58.0~58.5%) followed by sterolester (SE, 16.9~17.4%), sterol (ST, 15.6~16.4%), diacylglycerol (DG, 5.8~6.0%) and monoacylglcerol (MG, 1.1~1.3%). The main lipids in PL was phosphatidyl ethanolamine (PE, 58.3~6.02%) followed by phosphatidyl choline (PC, 17.3~19.5%), cardiolipin (CA, 12.8~14.0%) and lyso-phophatidyl choline (LPD, 4.8~6.6%). Fatty acid composition was significantly different among TL, NL, GL and PL contained in cap and stalk. The main fatty acids was C_(18:2) followed by C_(16:0) and C_(18:1) acids. The TL contents in cap and stalk of fresh "Donko" were 3.7% and 2.5%. The changes of TL contents, PoV by drying were not almost observed. AV(acid value) of TL in the sun dried samples was a little lower than those of the fresh and hot air dried samples, on the contrary NL content in TL of the former was a little higher than those of the latters. The main lipid in NL of the three samples was TG followed by SE, ST, DG, MG and free fatty acid (FFA). In the above lipids, FFA contents in NL of the sun dried sample was a little higher than those of the fresh and hot air dried samples, but TG content in NL of former was a little lower than those of the latters. The main lipid in GL of the three samples was digalactosydiglycerol (DGDG) followed by acylsterylglucoside(ASG), sterylglucoside (SG), monogalactosyldiglycerol (MGD) and cerebroside (CER). Influence of drying on these lipid content were nol almost recognized. The main lipid in PL of the three samples was PE followed by PC, CA, LPC and phosphat idyl serine (PS). In the above lipids, PE and PC contents in PL of the sun dried one were a little lower than those of the fresh and hot air dried ones. The main fatty acid in TL, NL, GL and PL of the three samples was C_(18:2) followed by C_(16:0), C_(18:1). The C_(18:2) acid contents of the sun dried sample was a little lower than those of the fresh and hot air dried ones, while C_(16:0) content of the former was a little higher than those of the former was a little lower than those of the latters.