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홍인표(In-Pyo Hong),우순옥(Soon-Ok Woo),한상미(Sang-Mi Han),여주홍(Joo-Hong Yeo),조미란(Mi-Lan Cho),주완택(Wan-Taek Ju),심하식(Ha-Sik Sim),최용수(Yong-Soo Choi),김혜경(Hye-Kyung Kim),이명렬(Myeong-Lyeol Lee),이만영(Man-Young Lee) 한국양봉학회 2014 韓國養蜂學會誌 Vol.29 No.2
Pollen grains from oak tree are monad, prolate, and oval with sub-parallel equatorial region. Also it are tricolpate with relatively short, straight furrows. Surface verrucate to scabrate sculpture with elements of various sizes. Pollen grains from darea (Actinidia arguta) are monad, subprolate, rounded, and tricolporate. Surface reticulate-fine with spaced rods exine. Pollen cell walls were torn and the cytoplasm was exposed after lyophilizing, while cell walls were disrupted or cut after pulverizing. The antioxidant activities of pollen extracts were evaluated by DPPH radical scavenging methods, FRAP, and SOD like activity. The antioxidant activity measured by the DPPH (2,2 diphenyl-1-picrylhydrazyl) free radical scavenging method, indicated that the ethanolic extracts had greater antioxidant activities than the aqueous extracts in pollens from oak and darea, and moreover the lyophilized oak pollen exhibited the highest value of antioxidant activity (81%). The content of rutin was the highest in the pulverized oak pollen, while that of quercetin was the most abundant in the lyophilized oak pollen.
약용버섯을 이용한 도토리화분의 세포 발아 및 항산화 활성
홍인표 ( In Pyo Hong ),우순옥 ( Soon Ok Woo ),한상미 ( Sang Mi Han ),여주홍 ( Joo Hong Yeo ),조미란 ( Mi Lan Cho ) 한국균학회 2014 Mycobiology Vol.42 No.2
In this study, we measured antioxidant activity as DPPH radical scavenging and the total polyphenol content of pulverized and lyophilized oak pollens inoculated with fungi to confirm the husk removal effect. The total polyphenol content of oak pollen was highest in lyophilized pollen medium inoculated with Armillaria mellea, and was lowest in pollen inoculated with Lentinula edodes. Total polyphenol content of the lyophilized pollen was higher than that of the refined pollen and the pulverized pollen in oak pollen germinated with A. mellea. The total polyphenol content of the lyophilized oak pollen germinated with A. mellea was 1.4-fold higher than that extracted with water. Measurement of antioxidant activity using the DPPH (2, 2 diphenyl-1- picrylhydrazyl) free radical scavenging method showed that the lyophilized oak pollen germinated with A. mellea had the highest and that germinated with L. edodes was lowest in antioxidant activities. The lyophilized oak pollen germinated with A. mellea was 2 to 4 times higher than that extracted with water in the antioxidant activity of DPPH free radical scavenging. Many germinated cells were formed around pore of acorn pollen inoculated with L. edodes, while those were formed at the end of hyphae derived from oak pollen inoculated with A. mellea.