• 대한화장품학회지
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• 제49권3호
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• pp.203-212
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• 2023

본 연구는 땅콩의 부산물로 폐기되는 겉껍질의 기능성 화장품 소재 활용 가능성을 검토하고자 수행하였다. 땅콩 겉껍질 추출물의 DPPH 및 ABTS 라디칼 소거능 및 SOD 유사활성 IC₅₀값은 각각 75.00, 46.33, 및 472.83 ㎍/mL으로 조사되었다. 땅콩 겉껍질 추출물 처리에 따른 MMP-1, MMP-3, 및 procollagen의 단백질 발현 정도를 측정한 결과, 농도 의존적으로 MMPs 단백질 발현량이 감소하였고, procollagen 단백질은 정상대조군 수준을 유지하였다. 주름 억제 효능을 검정한 결과, 추출물의 elastase 및 collagenase 저해활성 IC₅₀ 값은 각각 0.30 및 0.09 mg/mL로 양성대조군보다 낮았다. 땅콩 겉껍질 추출물에서 분리한 eriodictyol과 luteolin의 elastase 및 collagenase 저해 활성을 분석한 결과, 0.1 mg/mL 처리농도에서 eriodictyol과 luteolin은 각각 53.8 및 98.0%의 elastase 저해 활성을 보였으며, collagenase 저해 활성은 각각 60.1 및 72.5%로 조사되었다. 이를 통해 땅콩 겉껍질 추출물의 주름억제활성 유효성분은 luteolin일 것으로 사료되었다. 또한, 땅콩 겉껍질 추출물이 함유된 로션 및 크림 제형의 온도 조건 및 온도 순환에 따른 pH 및 점도를 측정한 결과, 유의미한 변화 없이 안정적인 제형임을 확인하였다. 이를 통해 땅콩 겉껍질 추출물이 주름 억제를 위한 화장품 소재로 적용 가능할 것으로 판단되었다.

• 대한치과의사협회지
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• 제11권8호
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• pp.525-530
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• 1973

True collagenolytic enzymes in animal tissues were first demonstrated by Gross and Lapiere (1962), who showed the ability of such an enzyme in the culture medium of living explants of tadpole tissue to degrade a specific substrate of undenatured collagen under physiological conditions. Recently, tumor-associated collagenolytic activity has been demonstrated in human neoplasm and in ascites V Carcinoma. This investigation have been peforme to determine whether or not a collagen lytic enzyme could e found in isolated solid Tawa sarcoma of Donryu female rat obtained the culture medium. The results were as follows. 1. 11.5mg% of hydroxyproline contained in Donryu rat skin collagen, which was extracted by 0.5M acetic acid. 2. Cultivation of solid Tawa sarcoma tissues on reconstituted rat skin collagen gels showed lysis of adjacent gel after 18 hours, and much more extensive lysis after 5 days. 3. Collagen substrate was not attacked by the common proteolytic enzymes, trypsin, pepsin, and pronase.

• Journal of Acupuncture Research
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• 제28권2호
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• pp.125-131
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• 2011

목적 : 본 연구는 합환피약침액(合歡皮藥鍼液)이 사람 피부 섬유아세포의 콜라게나제 활성 및 프로콜라겐 합성에 미치는 영항과 티로시나제 활성에 미치는 효과를 측정하고자 실시하였다. 방법 : HS68 사람 정상 섬유아세포에 UVB 조사 후 합환피(合歡皮) 약침액(藥鍼液)가 type I procollagen 생성과 콜라게나제 효소활성에 미치는 효능과 티로시나제 효소활성에 미치는 효능을 평가하였다. 결과 : 합환피약침액(合歡皮藥鍼液)은 UVB 조사된 세포의 콜라게나제 효소활성을 통계적으로 유의하게 억제하였고, 티로시나제 활성을 통계적으로 유의하게 억제하였다. 그러나 티로시나제 억제활성의 정도는 미백효능으로 활용하기에 약간 약한 경향이 있었다. 결론 : 합환피약침액(合歡皮藥鍼液)의 콜라게나제 억제효능은 주름개선 약침치료에 활용이 가능할 것으로 생각된다.

• 한국어업기술학회:학술대회논문집
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• 한국어업기술학회 2001년도 추계 수산관련학회 공동학술대회발표요지집
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• pp.239-240
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• 2001

Collagenases are generally defined as enzymes capable of degrading the polypeptide backbone of native collagen under conditions which do not denature the protein. Two types of proteases with collagenolytic activity have been reported and thought to play different physiological functions. Metallo-collagenases, firstly discovered in tadpole tissue explants are zinc-containing enzymes requiring calcium for optimum activity and stability, and These enzymes have been widely studied from various mammalian tissues as well as from bacteria, such as Bacillus cereus, Clostridium histolyticum, Achromobacter, Vibrio alginolyticus and Clostridium perfringens and snake venoms. (omitted)

• Journal of Applied Biological Chemistry
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• 제60권2호
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• pp.119-124
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• 2017

소나무 뿌리(동송근)로부터 phenolic compounds를 추출 후 미용식품활성을 검정하여 기능성 소재로 활용가능성을 살펴보았다. 동송근에 함유된 페놀성 물질의 tyrosinase 저해효과를 측정한 결과 $50{\mu}g/mL$ phenolics 농도에서 ethanol 추출물이 92%의 tyrosinase 저해효과를 나타내었다. Elastase와 collagenase 저해효과를 측정한 결과 $200{\mu}g/mL$ phenolics 농도에서 ethanol 추출물이 각각 61, 78%의 높은 저해력을 나타내어 주름개선효과가 높았다. 수렴효과는 $50{\mu}g/mL$ phenolics의 저농도 ethanol 추출물에서 82%의 저해효과를 나타내었다. 염증억제효과를 나타내는 hyaluronidase 저해효과를 측정한 결과 $100-200{\mu}g/mL$ phenolic 농도의 ethanol 추출물에서 74-94%의 매우 높은 염증억제효과를 나타내었다. 이러한 결과로 보아 동송근 추출물이 미용식품활성 또는 기능성 소재로서 활용이 가능할 것으로 판단되었다.

• 한국조리학회:학술대회논문집
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• 한국조리학회 2005년도 제33차 정기춘계학술세미나
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• pp.19-42
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• 2005

This study was conducted to investigate the proteolytic properties of Sarcodon aspratus on meat proteins. The analytical condition for the measurement of enzyme activity was determined and the effect of Sarcodon aspratus on beef protein and its fractions were determined by SDS-PAGE and spectrophotometric method, respectively. Optimum temperature and pH of Sarcodon aspratus was $73-78^{\circ}C$,pH 8, respectively. However, the enzyme tended to be denatured at $50^{\circ}C$ for 10min incubation. Proteolytic activity of Sarcodon aspratus was higher than those of kiwi and pear by 66 and 990 times by dry weight, respectively. It was appeared that proteolytic activity of Sarcodon aspratus toward beef protein by SDS-PAGE was prominent when compared to those of kiwi and bromelain. Furthermore, Sarcodon aspratus showed highest proteolytic activity toward all the beef protein fractions, which was followed by collagenase and bovine protease. Transmission electron microscopy showed the muscle fiber started to be degraded when treated with Sarcodon aspratus(1,000 unit) for 10min at $25^{\circ}C$. No distinct sarcomere, A-band, and z-line was observed when treated with Sarcodon aspratus for 60min at same condition.

• 한국조리학회지
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• 제11권2호
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• pp.110-124
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• 2005

This study was conducted to investigate the proteolytic properties of Sarcodon aspratus on meat proteins. The analytical condition for the measurement of enzyme activity was determined and the effect of Sarcodon aspratus on beef protein and its fractions were determined by SDS-PAGE and the spectrophotometric method respectively. Optimum temperature and pH of Sarcodon aspratus were $73~78^{\circ}C$ and pH 8 respectively. However, enzyme tended to be denatured at $50^{\circ}C$ for 10 min incubation. Proteolytic activity of Sarcodon aspratus was higher than of kiwi and pear 66 and 990 times by dry weight respectively. It appeared that proteolytic activity of Sarcodon aspratus toward beef protein by SDS-PAGE was prominent when compared to that of kiwi and bromelain. Furthermore, Sarcodon aspratus showed the highest proteolytic activity toward all the beef protein fractions, which was followed by collagenase and bovine protease. Transmission electron microscopy showed the muscle fiber started to be degraded when treated with Sarcodon aspratus(1,000 unit) for 10min at $25^{\circ}C$. No distinct sarcomere, A-band, or z-line was observed when treated with Sarcodon aspratus for 60min at the same condition.

• Reproductive and Developmental Biology
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• 제29권4호
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• pp.259-267
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• 2005

The present study was conducted to investigate gelatinolytic activities in HAM and to determine whether there are any changes in gelatinolytic activity profiles when the cells are cultured in hepatogenic medium. Placenta was obtained during caesarean section of the volunteers, with informed consent. HAM were isolated from amniotic membrane using collagenase type A HAM were cultured in hepatogenic medium for 3 weeks and the conditioned media were obtained at day 7, 14 and 21. The zymographic pattern of gelatinolytic activity of the HAM did not undergo a change during passages. When the HAM were cultured in a fibronectin-coated dishes in a hepatogenic medium, there was no significant difference of the gelatinase pattern between before and after culture. However, when bFGF was added to the culture, a dramatic increase of 62kDa and 59kDa gelatinases was observed. Interestingly, when ITS instead of FN was present, HAM-conditioned medium also showed a similar increase of both gelatinases. Immunoblotting analysis demonstrated that both 62kDa and 59kDa gelatinases were the active form of MMP-2 resulting from the turnover of MMP-2 proform. Futher study will be necessary to determine the relationship between bFGF and active MMP-2 during hepatogenesis of HAM.

• Journal of Microbiology and Biotechnology
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• 제32권5호
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• pp.594-601
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• 2022

This study evaluated the biological properties of lemongrass (Cymbopogon citratus) extracts. The EtOAc extract of lemongrass had DPPH, TEAC, and nitric oxide-scavenging activity assay results of 58.06, 44.14, and 41.08% at the concentration of 50, 10, and 50 ㎍/ml, respectively. The EtOAc extract had higher elastase and collagenase inhibitory activities than the 80% MeOH, n-hexane, BuOH, and water extracts and comparable whitening activity toward monophenolase or diphenolase. Also, the EtOAc fraction had higher lipase inhibitory and antimicrobial activities against Cutibacterium acnes among extracts which is known to an important contributor to the progression of inflammatory acne vulgaris, and an opportunistic pathogen present in human skin. Total phenolic and flavonoid concentrations in the EtOAc extract were 132.31 mg CAE/g extract and 104.50 mg NE/g extract, respectively. Biologically active compounds in lemongrass extracts were analyzed by LC-MS. This study confirms that lemongrass extracts have potential use as cosmetic skincare ingredients. Thus, lemongrass can be considered a promising natural source of readily available, low-cost extracts rich in antioxidant, skincare, and antimicrobial compounds that might be suitable for replacing synthetic compounds in the cosmeceutical industry.

• Journal of Applied Biological Chemistry
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• 제53권3호
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• pp.154-161
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• 2010

도화를 기능성 화장품 소재로 활용하기 위하여 미백 및 주름개선 효과를 검증한 후 화장품 소재로서의 가능성을 검증하였다. 미백효과를 확인하기 위하여 tyrosinase 저해활성을 측정한 결과 도화 열수 및 에탄올 추출물 1,000ppm에서 각각 54.0, 58.3%의 저해활성을 나타내었으며, 멜라노마 세포에서의 tyrosinase 저해활성을 측정한 결과 도화 에탄올 추출물 100ppm에서 40.0%의 저해활성을 나타내였다. 또한 멜라노마 세포에서의 멜라닌 생합성 저해율을 확인한 결과 도화 에탄올 추출물 100ppm에서 56.5%의 효과를 나타내어 도화 에탄올 추출물의 미백효과가 가장 우수하였다. 주름개선 효과 측정으로 elastase 저해활성을 측정한 결과 도화 아세톤 추출물 1,000ppm에서 57.0%의 저해활성을 나타내었으며, collagenase 저해활성을 측정한 결과 도화 아세톤 1,000ppm에서 48.0%의 저해활성을 나타내었다. 또한 섬유아세포를 이용한 collagen 생합성량을 측정한 결과 도화 아세톤 추출물 100ppm에서 41.0%의 효과를 나타내어 도화 아세톤 추출물의 주름개선 효과가 가장 우수하였다. 이상의 결과로 미루어 보아 도화 추출물의 미백 및 주름개선 효과가 있음을 확인할 수 있었고, 기능성 화장품 소재로서의 가능성을 확인할 수 있었다.