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노정애 ( Jung Ae Roh ),최태부 ( Tae Boo Choe1 ),장병수 ( Byung Soo Chang ) 대한미용학회 2010 대한미용학회지 Vol.6 No.1
This research observed the morphological change and ultrastructural change of hair after having straight permanent on the twenty years old of woman`s virgin hair through the scanning electron microscopy and transmission electron microscopy. The straight permed hair was observed that the cuticular cells of cuticle layer around the surface lifted off. Also, some cuticular cells were destructed to be off. The endocuticle of cuticular cell has formed 500 nm of holes toward the longitudinal line of cuticular cell, and some of these holes were united to have the diameter of 1 μm~1.5 μm. Cortex has formed lots of holes in line with membrane of cortical cell, especially there were the holes among the limited membrane of peripheral part of melanin granules and of macrofibrils. These holes were distributed mainly around the exocortex near the cuticle layer more than the central part of cortex, where much more holes than in the cortex of virgin hair were formed.
김민희,최태부,Kim, Min-Hee,Choe, Tae-Boo 한국응용과학기술학회 2015 한국응용과학기술학회지 Vol.32 No.3
으름열매는 폴리페놀과 사포닌과 같은 페놀성 물질을 많이 함유하고 있다. 본 연구는 세포실험을 통해 으름열매 추출물의 항산화활성을 확인하고, 피부에 적용하였을 때 수분과 유분, 멜라닌과 홍반변화의 효과를 측정하였다. 항산화 효과 측정결과, 농도 의존적으로 폴리페놀, 플라보노이드, DPPH소거능이 상승한 것으로 확인되었고, 으름열매 추출물 크림을 사용하였을 때 수분함량 변화, 유분함량 변화, 멜라닌지수, 홍반지수의 감소가 통계적으로 유의미한 변화를 보여 으름열매 추출물 함유 화장품이 피부개선을 위한 기능성화장품으로서 활용 가능성을 확인할 수 있었다. 따라서 본 연구에서는 으름열매 추출물은 독성을 나타내지 않으면서도 피부보습, 피부개선효과를 가진 천연 및 기능성화장품 소재로서 활용 가능성이 있다고 사료된다. Akebia quinata fruit(AQF), as identified in the preceding paper, polyphenols and other phenolic components of saponin also has similar or higher levels. The purpose of this study is to analyze the effect of akebia quinata fruit extract, well-known for soothing, anti-oxidizing effects, on the improvement of the moisture, sebum, melanin, erythema content of facial skin. As a result of measuring DPPH radical scavenging activity to examine independent anti-oxidation of AQF, there was a slight scavenging activity. Compared to before the usage of cream, a group who used cream with akebia quinata fruit extract showed a very slight increase in the moisture content and slight decrease in the sebum, melanin, erythema on their faces after 4 weeks of tests, indicating that there was some statistically significant changes found. This study proves that the akebia quinata fruit(AQF) extract has a positive effect on the overall improvement of facial skin and it also implies that the akebia quinata fruit extract has high potential as an ingredient of cosmetic products.