• 한국융합학회논문지
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• 제10권7호
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• pp.267-279
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• 2019

본 연구는 지실추출물과 나린진의 햇빛으로부터 피부 보호 및 주름개선에 대한 연구를 하였다. HR-1(무모쥐)에 햇빛을 조사하여 상피 두께의 변화와 진피의 90% 정도를 차지하는 콜라겐 섬유의 변화를 확인하였다, 콜라게나아제의 억제 효능도 주름에 중요하게 작용하므로 같이 확인하였다. 실험은 나린진과 지실추출물을 사용하여 효능을 검증하였다. 첫째: 지실과 나린진의 성분을 분석하였다. 둘째: DPPH로 항산화 능력을 확인하였다. 셋째: 콜라겐의 변화를 측정하였다. 연구 결과로 지실추출물 및 나린진이 피부 상피두께 억제와 피부의 콜라겐 두께가 상승하였고 콜라겐 분해 효소 억제 및 주름이 대조군에 비하여 감소되었으며 유의한 차이가 나타났다.

• 한국식품영양과학회지
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• 제45권12호
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• pp.1740-1746
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• 2016

본 연구는 산양삼의 이용가치를 높이고, 기능성 식품소재 개발을 위하여 산양삼의 이화학적 특성과 추출용매를 달리하여 추출한 각각의 추출물의 항산화 활성을 비교하였다. 산양삼의 일반성분은 수분 7.56%, 탄수화물 73.01%, 단백질 12.58%, 지질 1.99%, 회분 5.54%를 나타내었고, 총아미노산 함량은 16.17 mg/100 g이었으며, 그중 필수아미노산은 1.42 mg/100 g을 나타내었다. 총 ginsenoside 함량은 15.98 mg/g을 나타내었고, 그중 major ginsenoside($Rb_1$, $Rb_2$, $Rb_3$, Rc, Rd, Re, Rf, $Rg_1$)의 함량은 15.94 mg/g, minor ginsenoside($Rg_3$, $Rh_1$, $Rh_2$) 함량은 0.04 mg/g을 나타내었다. 1 mg/mL 농도로 조정한 증류수를 이용한 산양삼 추출물(KGW), 70% 에탄올을 이용한 산양삼 추출물(KGE)의 항산화 활성을 측정한 결과 KGE가 모든 항목에서 가장 높게 활성을 나타냈으며, 각각 8.93 mg/g(총폴리페놀 함량), 3.96 mg/g(총플라보노이드 함량), 57.57%(DPPH 라디칼 소거능), 70.73%(ABTS 라디칼 소거능), 44.12%(아질산염 소거능), 78.05%(SOD 유사활성), $1.08O.D_{700nm}$(환원력), 55.33%(ferrous ion chelating activity)를 나타내었다. 또한, 각각의 산양삼 추출물의 elastase, collagenase 및 tyrosinase 저해활성을 측정한 결과 역시 KGE가 모든 항목에서 가장 높은 활성을 나타내었으며, 각각 81.96%, 78.96%, 30.96%를 나타내었다.

• 대한예방한의학회지
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• 제10권2호
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• pp.19-30
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• 2006

It is well known that glucocorticoid may induce osteoporosis as its side effect in long-term therapy. The inhibition of osteoblast by glucocorticoid is also recognized as its action mechanism of decreased bone formation. In this study, the effect of DSG, Danchisoyosangamibang, on the differentiation and function of osteoblastic cells was investigated. The osteoblastic cells were isolated from rat calvariae using collagenase treatment. The cell counting, enzyme activity assay, MTT assay, collagen content assay were done to determine the cell proliferation, intracellular alkaline phosphatase (ALP) activity, bone martrix production, and cell apoptosis. DSG enhanced the cell proliferation after the culture for 10 days. ALP activity and total protein synthesis, and intracelluar collagen synthesis were increased time dependently when the cells were treated with DSG in the presence of dexamethasone. And, DSG restored calvarial cell function decreased by dexamethasone.

• 한국자원식물학회지
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• 제36권2호
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• pp.107-121
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• 2023

본 연구에서는 추출용매에 완도산 다시마와 쇠미역의 항산화, 항노화 활성을 살펴보고 페놀화합물 함량을 비교 분석하였다. 먼저 다시마와 쇠미역 추출물의 폴리페놀, 플라보노이드 함량은 각각 다시마 메탄올추출물(4.64 mgTAN/g), 쇠미역 메탄올추출물(4.19 mgQUE/g)이 다른 추출물에 비해 높은 함량을 보였다. 또한 다시마와 쇠미역의 DPPH 라디칼 소거능은 모두 열수 추출물에서 가장 낮은 활성을 보였으며 쇠미역 주정추출물에서 높은 DPPH 라디칼 소거능(IC₅₀ = 42.5 ㎍/µL)을 나타냈다. ABTS 라디칼 소거능과 FRAP 활성 측정 결과 다시마와 쇠미역 모두 열수보다 주정과 메탄올 추출물에서 높은 활성을 보였으며, 특히 쇠미역이 다시마보다 높은 ABTS 라디칼 소거능과 FRAP 활성을 나타냈다. 또한 다시마와 쇠미역 추출물의 SOD, CAT, APX 활성은 열수, 주정 추출물보다 메탄올 추출물에서, 그리고 쇠미역보다 다시마에서 높은 SOD, CAT, APX 활성이 확인되어 다시마 메탄올 추출물에서 뛰어난 항산화 효소 활성을 보였다. 그 다음으로 Collagenase, elastase 저해 활성은 쇠미역 메탄올 추출물과 다시마 주정추출물에서 각각 88.3, 19.0%의 우수한 collagenase 및 elastase 저해활성을 보였다. 미백 효과를 평가하기 위해 tyrosinase 저해 활성을 측정한 결과에서는 다시마와 쇠미역 모두 메탄올 추출물에서 각각 41.8, 30.3%로 나타나 다른 추출용매에 비해 높은 tyrosinase 저해활성이 측정되었으며, 주로 쇠미역보다 다시마에서 우수한 tyrosinase저해활성이 관찰되었다. 마지막으로 추출용매에 따른 다시마와 쇠미역 추출물의 페놀화합물 함량(4-hydroxybenzoic acid, naringenin, naringin, nicotinic acid) 분석 결과 4-hydroxybenzoic acid 함량은 다시마 메탄올 추출물(8.25 ㎍/g), naringenin과 naringin 함량은 각각 쇠미역 주정추출물(0.58 ㎍/g), 다시마 주정추출물(661.66 ㎍/g), 마지막으로 nicotinic acid 함량은 쇠미역 주정 추출물에서 18.06 ㎍/g으로 가장 높은 함량이 측정되었다. 본 실험 결과 다시마와 쇠미역은 메탄올과 주정 추출물에서 열수 추출물에 비해 높은 폴리페놀 함량, 항산화 및 항노화 활성과 naringenin, naringin, nicotinic acid 함량이 나타났으며, 다시마와 쇠미역에 포함된 다양한 폴리페놀과 플라보노이드 물질이 다시마와 쇠미역의 항산화활성에 관여한 것으로 확인되어 다시마와 쇠미역 주정 및 메탄올 추출물의 추출조건을 확립할 수 있었고, 이를 이용한 건강 기능성 식품 소재로 활용과 화장품 소재개발에 대한 가능성이 증가 될 수 있을 것으로 판단된다.

• 한국응용과학기술학회지
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• 제27권4호
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• pp.539-544
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• 2010

In this study, we evaluated the anti-oxidative, anti-wrinkle and whitening effect of Duchesnea indica (Andr.) Focke extract. Duchesnea indica (Andr.) Focke was extracted by two different solvents which were n-hexane and ethyl acetate. The anti-oxidant activity was measured by free radical scavenging activity using DPPH (1,1-diphenyl-2-picrylhydrazyl radical). And the inhibitory activities of tyrosinase for whitening effect and collagenase for anti-wrinkle were investigated. For anti-oxidant activity and whitening activity, ethyl acetate fraction of Duchesnea indica (Andr.) Focke extract showed more significant activity than n-hexane fraction of Duchesnea indica (Andr.) Focke extract. For anti-wrinkle activity, ethyl acetate fraction of Duchesnea indica (Andr.) Focke extract exhibited strong inhibition effects compared with reference. Therefore, Duchesnea indica (Andr.) Focke extract may be useful as a new antioxidant and anti-aging agent.

• Journal of Acupuncture Research
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• 제28권3호
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• pp.13-20
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• 2011

목적 : 본 연구는 황기약침액의 collagen 대사과정과 tyrosinage 활성에 대한 효과를 관찰하여 항노화 약침소재로의 개발 가능성을 알아보고자 계획되었다. 방법 : 황기 약침액이 사람 정상 섬유아세포 HS68에 UVB 조사 후 type I procollagen의 생산량 회복과 collagenage 활성에 미치는 효과를 ELISA법을 이용하여 측정하였다. 황기약침액의 tyrosinage 활성도에 미치는 영향을 측정하였다. 결과 : 황기 약침액은 사람 섬유아세포 HS68 실험에서 UVB 조사로 감소된 type I procollagen생성을 회복시키고, 통계적으로 유의하게 collagenage 활성을 억제하는 것을 관찰하였고 tyrosinage 활성을 통계적으로 유의하게 억제하지만, L-DOPA 산화는 억제하는 경향이 있는 것을 관찰하였다. 결론 : 본 연구 결과에 의하면, 황기약침액은 collagenage 활성을 억제하고, tyrosinage 활성을 억제하므로 주름개선과 미백효과가 있어 미용약침 소재로 개발가능성이 있을 것으로 사료된다.

• 한국축산식품학회지
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• 제34권1호
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• pp.26-32
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• 2014

This study was conducted to examine the effects of eggshell membrane hydrolysates (ESMH) on the anti-inflammatory, anti-wrinkle, anti-microbial activity, and moisture-protection for cosmetic use. Whole ESMH (before fractionation), and fraction I (>10 kDa), fraction II (3-10 kDa), and fraction III (<3 kDa) of the hydrolysates were assessed in this experiment. As lipopolysaccharide (LPS) and IFN-${\gamma}$ caused the inflammation on Raw264.7 cell, whole ESMH and fraction I showed to be effective in inhibiting the induction of cell inflammation depending on the concentration, and also showed outstanding effect to suppress the skin inflammation. Fraction I inhibited collagenase and elastase activities to a greater extent than the other fractions, while all fractions had antibiotic effects at concentrations of 10 mg/disc and 20 mg/disc. In addition, it showed the moisture protection effects of skin on the holding amount and losing amount of moisture in upper-inner arm of the human body with a relatively low loss rate in skin, which confirmed that the hydrolyzed fractions of ESM helps to form the superior protective layer of moisture. It was concluded that ESMH fractions with different molecular weights, especially the 10 kDa fraction, have anti-lipopolysaccharide, anti-IFN-${\gamma}$-induced inflammation, anti-collagenase and elastase activities, and thus can be used as a cosmetic agent to protect skin.

• 대한한방종양학회지
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• 제5권1호
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• pp.61-75
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• 1999

To examine the effect of Xuefuzhuyutang on the metastasis of cancer, the following experiments were carried out. Before the main experiments, the cytotoxicity was measured by putting Xuefuzhuyutant sample in HT1080. Then zymography was made to examine the change of gelatinolytic activity. Western blotting was carried out to examine the changes of Fos, Jun, Ets, Erk, md JNK. In vitro invasion assay with transwells coated by collagen and matrigel was carried out. From the above results the following conclusions were obtained. 1. The experimental result about cytotoxicity of Xuefuzhuyutang agaitst HT1080 was a below. The stained cell count after being treated by by Xuefuzhuyutang sample $400{\mu}g/ml$ for 24 hours was 0.9% of total cells, and the stained cell count by Xuefuzhuyutang sample $100{\mu}g/ml$ was 1.5% of total cells. Both were near the level of control group which showed 0.6% stained. 2. The result of collagenase assay was as below. In Xuefuzhuyutang sample $400{\mu}g/ml$, MMP2 was reduced as compared with TPA control group, and the band of MMP-9 induced by TPA disapappeared. In Xuefuzhuyutang samle $800{\mu}g/ml$ both bands of MMP-2 and MMP-9 disapeared. 3. The results of western blots for Jun, Fos, Ets, Erk, JNK were a below. In Xuefuzhuyutang sample $200{\mu}g/ml$, Ets was reduced, and Jun, Fos were increased. 4 The result of invasion assay was as below. The number of cells which migrated across transwell membrane in Xuefuzhuyutang-treated group was less than that of control(+TPA) group. From the above results, it was concluded that Xuefuzhuyutang might inhibit the activity of collagenase not by the MMP-2, MMP-9 promoter but by the other way.

• 동의생리병리학회지
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• 제31권3호
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• pp.188-193
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• 2017

This study investigated the antioxidant activities of distilled water, ethanol and methanol extracts of Plunus mume flower buds (PFB). The various solvent extracts of PFB were evaluated for their total polyphenol, flavonoid, reducing power and free radical scavenging activities by FRAP and DPPH analysis. The ethanol extract of PFB contained significantly higher amounts of total polyphenols (145 mg GAE/g) and flavonoids (25.43 mg QE/g) than methanol (132 and 25.42) and distilled water (113.6 and 18.04). Among solvent extracts of PFB, the ethanol extract showed the highest antioxidant activities. The 100% ethanol extract of PFB contained significantly higher amounts of total polyphenols and flavonoids than 70% and 50% ethanol extracts. Moreover, the 100% ethanol extract of PFB showed high efficacy in DPPH radical scavenging activity and in collagenase inhibition activity. This results suggest that 100% ethanol extract of PFB has the most effective antioxidant capacity compared to the methanol and water extracts tested in the present study. Thus, it can be applied for the effective extraction of functional material from PFB for usage of cosmeceutical and/or food industries.

• Journal of Periodontal and Implant Science
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• 제26권1호
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• pp.317-333
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• 1996

The main goal of periodontal regeneration is to be achieved by epithelial exclusion, periodontal ligament cell activation or alveolar bone regeneration. The purpose of this study was to investigate on the physico- chemical and biological characteristics of biodegradable chitosan beads. Chitosan beads were fabricated by ionic gelation with sodium tripolyphosphate and they had the size in 300um diameter. As therapeutic agent, flurbiprofen was incorporated into the beads by 10, 20% loading contents. The release of drugs from the chitosan beads was measured in vitro. Also, biological activity tests of flurbiprofen loaded chitosan beads including cytotoxicity test, ihhibition of $IL-1{\beta}$ production, suppression to $PGE_2$ production, collagenase inhibition test, the ability of total protein synthesis, and tissue response were evaluated. The amount of flurbiprofen released from chitosan was 33-50% during 7 days. Minimal cytotoxicity was observed in chitosan beads. Flurbiprofen released from chitosan beads significantly suppressed the $IL-1{\beta}$ production of monocyte, $PGE_2$ production and markedly inhibited collagenase activity. Meanwhile, flurbiprofen released from this system showed increased ability for protein synthesis. Throughout 4 -week implantation period, no significant inflammatory cell infiltrated around chitosan bead and also fibroblast like cell types at the beads - tissue interface were revealed with gradual degradation of implanted chitosan beads. From these results, it was suggested that flurbiprofen loaded chitosan beads can be effectively useful for biocompatible local delivery system in periodontal regeneration.