The purpose of this study was to evaluate the effect of superheated steam drying on physicochemical and microbial characteristics of Korean traditional actinidia (Actinidia arguta) leaves. Actinidia leaves were dried at steam temperature of 350℃ and oven temperature of 150℃ for 40-200 sec. Moisture content and water activity decreased with increasing the drying time, while color values including L, a, and b values and total color difference (ΔE) increased as drying time increased. The relationship between moisture content and water activity showed an exponential fit with high correlation vlaue (R2=0.9909). Total phenolics and flavonoids content and antioxidant activity such as DPPH radical scavenging activity, ABTS radical scavenging activity, and FRAP assay of dried actinidia leaves increased with increasing the drying time up to 160 sec, but dramatically decreased at drying of 200 sec. The numbers of total areobic bacteria of leaves was not detected at drying time over 120 sec and coliform of all the samples was not detected. As a results, the superheated steam was an very effective drying method of increase to the nutritional and sanitary quality of dried Korean traditional actinidia leaves.

예로부터 삼지구엽초는(Epimedium koreanum Nakai)는 한방에서 강장, 강정, 이뇨 등의 약재로 이용되어 왔다. 본 연구에서는, 삼지구엽초의 주성분인 icariin의 함량에 따른 항돌연변이 및 면역활성을 탐색하여 향후 기능성 식품소재로서 활용하고자 하였다. Ames test 결과, icariin 함량에 따른 삼지구엽초 추출물은 TA98 및 TA100 균주 모두에서 집락수가 음성대조군에 비하여 농도 변화에 따른 집락수의 큰 변화를 나