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박옥란 ( Yu Lan Piao ),김성완 ( Sung Wan Kim ),김성렬 ( Seong Ryul Kim ),김기영 ( Kee Young Kim ),강석우 ( Seok Woo Kang ),구태원 ( Tae Won Goo ),최광호 ( Kwang Ho Choi ) 한국잠사학회 2014 한국잠사곤충학회지 Vol.52 No.2
On previous studies, we constructed a transgenic silkworm which produces the chimeric silk fused green fluorescent protein (EGFP), but the transgenic silkworm has decreased commercial feasible traits such as convenience of breeding and productivity of silk. In this study, we performed cross fertilization between green fluorescent silk transgenic silkworm and colored cocoon silkworm descents to make the transgenic the transgenic silkworm producing improved fluorescence cocoon. In the result, we found out a bit valuable cross fertilization manners (female × male) in respect of silk productivity such as T59B × Jam126, Jam329 × T59W, T59W × Jam329, and T59W × Jam178. The color-difference of offspring cocoons were measured according to different cross manners using by CIE Lab-based formulae with a Xrite VS450. In the result, the depth of green color of cocoons was a little high at cross manners as Jam329 × T59W, T59W × Jam178. Meanwhile, the depth of yellow clolor of cocoons was remarkable at cross manners as Jam178 × T59W, T59W × Jam178, respectively.
김윤수(Yoon-Soo Kim),남형근(Hyung-Gun Nam),신현재(Hyun-Jae Shin),나명순(Myung-Soon Na),김미혜(Mi-Hye Kim),이철원(Chul-Won Lee),김종수(Jong-Soo Kim),박옥란(Yu Lan Piao),차월석(Wol-Suk Cha) 한국생물공학회 2011 KSBB Journal Vol.26 No.2
For the development of functional food and cosmetics using the hot water extract of Undaria pinnatifida, the concentrations of vitamin, amino acid and element and activities of antioxidant and nitrite scavenging were investigated. The results are shown as follows: Vitamin C and E concentrations were 0.301 and 0.11 mg/100 g, respectively. Mineral concentrations were an order of Ca > Mg > K > Fe. The concentrations of total amino acids were an order of Glu > Ala > Val > Leu > Gly > Pro. Total phenol concentration and DPPH radical scavenging activity were increased with the increase of the concentration of extract. Especially, when the extract concentrationwas increased from 1.0 to 10.0 mg/mL, the total phenol concentration was increased from 0.043 to 0.125 OD 725 nm. DPPH radical scavenging activity at 50 mg/mL was 70.1%. The antioxidant activity of extract was stable in range of 80 to 140℃ and pH 3-9. The nitrite scavenging activity was increased with the decreaseof pH and the increase of it’s extract concentration. Especially, it was 83.4% at 50 mg/mL (pH 1.2). These results showed that the hot water extract of U. pinnatifida can be applied to functional food and cosmetics.