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권해용,조유영,김현복,주완택,이지혜,Kweon, HaeYong,Jo, You-Young,Kim, Hyunbok,Ju, Wan-Tack,Lee, Ji Hae 한국잠사학회 2019 한국잠사곤충학회지 Vol.55 No.2
혈당 조절에 도움을 줄 수 있는 건강기능식품 기능성 원료로 인증을 받은 동결건조 누에분말의 일반 성분 및 영양 성분에 대하여 보고된 바를 고찰하여 다음과 같은 결론을 얻을 수 있었다. 1. 동결건조 누에분말의 일반 성분은 조단백질 57.7%, 조지방 9.5%, 조섬유 5.4%, 회분 9.3%, 수분 4.7% 내외였다. 식육성 재료나 식용 곤충에 비하여 단백질 성분이 높고 지방 성분은 낮았다. 2. 동결건조 누에분말을 이루고 있는 주요 아미노산은 glutamic acid와 aspartic acid로 아미노산의 조성은 누에의 성장 단계에 따른 차이가 있었다. 3. 동결건조 누에분말은 포화지방산과 불포화지방산이 약 3:7의 비율로 있으며, linolenic acid 34.7%, oleic acid 24.4%, palmitic acid 20.2%, stearic acid 9.2%, linoleic acid 7.7%가 많이 포함되어 있다. 4. 동결건조 누에분말에 많이 포함되어 있는 5대 무기물은 칼륨, 인, 칼슘, 마그네숨, 황 등이 있으며, 그 외에도 구리, 망간, 아연, 철 등의 무기물을 가지고 있다. Freeze-dried silkworm powder has been approved as a functional ingredients for blood glucose control since 2009. Proximate and nutrient compositions of silkworm powder was summerized as bellow. Silkworm powder contained 4.7% moisture, 57.7% crude protein, 9.5% crude fat, 5.4% crude fiber, and 9.3% ash. The larval protein contained 18 known amino acid including glutamic acid and aspartic acid. Fat is composed of 3:7 ratio of saturated fatty acid to unsaturated fatty acid including various essential fatty acids. It contained 34.7 linolenic acid, 24.4% oleic acid, 20.2% palmitic acid, 9.2% stearic acid, and 7.7% linoleic acid. Five minerals, K, P, Ca, Mg, S were abundant in the silkworm powder with other minerals such as Cu, Mn, Fe, and Zn.
권해용 ( Hae Yong Kweon ),조유영 ( You Young Jo ),이희삼 ( Heui Sam Lee ),이광길 ( Kwang Gill Lee ),성규병 ( Gyoo Byung Sung ),김기영 ( Kee Young Kim ),지상덕 ( Sang Duk Ji ) 한국잠사학회 2012 한국잠사곤충학회지 Vol.50 No.2
Heavy metals and residual agricultural chemicals in Bombyx mori silkworm cocoon for nontextile usages were examined. Proximate composition of silkworm cocoon was examined; contents of moisture, crude protein, crude fat, and ash were about 5 ~ 6%, 93 ~ 94%, 0.4 ~ 0.5%, and 0.3 ~ 0.4%, respectively. The Heavy metals were analyzed by ICP/MS after acid digestion. Arsenic, cadmium, and lead were not detected. The average contents of mercury, zinc, and cupric were 0.317, 3.99, and 2.06 mg/kg, respectively. Agricultural chemicals, such as dichlorvos and paraquart also were not detected. Silkworm cocoon may be safe used for nontextile applications.
권해용 ( Kweon Hae Yong ),이광길 ( Lee Kwang Gill ),우순옥 ( Woo Soon Ok ),박영환 ( Park Young Hwan ) 한국잠사학회 2002 한국잠사곤충학회지 Vol.44 No.2
염화아연에 의한 작잠 견사의 용해 조건을 살펴본 후 투석법에 의하여 얻은 작잠 견피브로인 분말의 형태와 적외선 분광 특성 및 X-선 회절 특성을 살펴본 결과 다음과 같은 결론을 얻었다. 1. 작잠 견사는 고농도의 염화아연 수용액에 용해되었으나 용해 조건을 조절하여 완전하게 작잠 견사를 용해할 수 있었다. 2. 재생 작잠 분말의 구조 특성을 살펴보기 위하여 적외선 분광분석과 X-선 회절분석을 행한 결과 작잠분말은 β-sheet 구조와 α-helix 구조로 이루어져 있었다. 3. 염화아연을 사용하여 제조한 작잠 견피브로인 용액으로부터 순수한 작잠 견피브로인을 얻기 위한 새로운 방법이 개발되어야 함을 알 수 있었다. Dissolution of Antheraea pernyi silk fiber was carried out in a zinc chloride solution with various dissolving conditions. The solubility was significantly dependent on the concentration of zinc chloride, dissolving temperature and time. The proper conditions of dissolution were found as 8M zinc chloride, 70°C temperature and 30 min dissolving time. Regenerated A. Pernyi silk fibroin powder was obtained through dialysis. FTIR and XRD showed that regenerated A. pernyi silk powder was composed of a B-sheet as well as an a-helix conformation.
권해용 ( Hae Yong Kweon ),조유영 ( You Young Jo ),이광길 ( Kwang Gill Lee ),김현복 ( Hyun Bok Kim ),여주홍 ( Joo Hong Yeo ) 한국잠사학회 2014 한국잠사곤충학회지 Vol.52 No.2
Silk polymer has been focused recently on medical applications as a novel biomaterials. The factors for biomaterials were considered and reviewed recent research on surgical suture, wound dressing, tympanic regeneration patch, guided bone regeneration membrane, bone implant and ligament. Silk polymer is good mechanical properties and biocompatibility. Therefore it might be used as one of promising materials for medical application.
가토의 두개 결손부에서의 실크 단백질과 platelet-rich fibrin (PRF)의 골형성 효과
송지영,권해용,권광준,박영욱,김성곤,Song, Ji-Young,Kweon, Hae-Yong,Kwon, Kwang-Jun,Park, Young-Wook,Kim, Seong-Gon 대한구강악안면외과학회 2010 대한구강악안면외과학회지 Vol.36 No.4
Introduction: This study evaluated the bone regenerative effect of silk fibroin mixed with platelet-rich fibrin (PRF) of a bone defect in rabbits. Materials and Methods: Ten New Zealand white rabbits were used for this study and bilateral round shaped defects were formed in the parietal bone (diameter: 8.0 mm). The silk fibroin mixed with PRF was grafted into the right parietal bone (experimental group). The left side (control group) was grafted only PRF. The animals were sacrificed at 4 weeks and 8 weeks. A micro-computerized tomography (${\mu}$CT) of each specimen was taken. Subsequently, the specimens were decalcified and stained for histological analysis. Results: The average value of plane film analysis was higher in the experimental group than in the control group at 4 weeks and 8weeks after surgery. However, the difference was not statistically significant.(P>0.05) The tissue mineral density (TMD) in the experimental group at 4 weeks after surgery was significantly higher than the control group.(P<0.05) Conclusion: Silk fibroin can be used as a scaffold of PRF for rabbit calvarial defect repair.
알칼리 처리에 따른 아마섬유의 헤미셀룰로스 제거와 결정구조 전이
엄인철,권해용,박영환,Um, In Chul,Kweon, Hae Yong,Park, Young Hwan 한국섬유공학회 2012 한국섬유공학회지 Vol.49 No.5
In this study, delignified flax fiber was treated with a NaOH aqueous solution. XRD diffractometry and FTIR spectroscopy were utilized to examine the structural transition of the alkali-treated flax fibers. Also, the effect of the hemicellulose removal on the structural change of flax fibers was discussed. XRD measurement revealed that the crystallinity of cellulose I increased at low NaOH concentration (3%) due to the elimination of amorphous hemicellulose. The structural transition from cellulose I to cellulose II occurred in a NaOH concentration range of 12~15%. Considering most hemicellulose in flax fiber is removed at 12% NaOH, it can be assumed that the presence of hemicellulose in flax fiber has a role in preventing the structural change of flax cellulose. IR absorbance ratios ($A_{1370cm}{^{-1}}/A_{2900cm}{^{-1}}$ and $A_{1430cm}{^{-1}}/A_{2900cm}{^{-1}}$) were utilized as a barometer of cellulose I crystalline exhibiting a similar result with the cellulose I crystallinity from XRD. Another absorbance ratio ($A_{895cm}{^{-1}}/A_{2900cm}{^{-1}}$) reflected the cellulose II crystalline showing almost the same trend as cellulose II crystallinity. On the whole, the total crystallinity of flax fiber was increased at low NaOH concentration (3%) and decreased at 12% due to the reduction of cellulose I content and increased again at 15% attributed to the formation of cellulose II content.