철피석곡의 원괴체상구체 및 다신초 추출물의 생리활성에 관한 비교 연구 = Comparative Study of Protocorm-like body and Multiple Shoots from Dendrobium Candidum on Biological Activities

국문 초록 (Abstract)

철피석곡은 중국에서 전통의약식물로 잘 알려진 난과 식물 중 하나이다. 본 연구에서는 생물반응장치를 이용하여 조직 배양된 철피석곡에 대하여 화장품 성분으로써 응용 가치를 평가하였다. 이미 몇몇 보고된 논문에서 철피석곡은 항암, 상처 치유 그리고 면역기능증진 등의 약리학적 활성에 대한 연구가 진행되었다. 본 연구에서는 생물반응장치를 이용하여 조직 배양된 철피석곡의 원괴체상구체 및 다신초에 대하여 화장품 성분으로서 효능, 효과를 자연에서 자란 철피석곡과 비교 평가하였다. 항산화 활성 비교 실험 결과 철피석곡의 원괴체상구체는 조직배양된 다신초 및 철피석곡 지하부 및 지상부보다 항산화 효과가 우수하였다. 조직배양된 원괴체상구체의 총 페놀 및 총 플라보노이드 성분 또한 다른 다신초나 자연에서 자란 철피석곡 추출물보다 함유량이 높음을 알 수 있었다. 다른 한편으로는 피부 미백과 관련한 효과를 비교 조사한 결과, 조직 배양된 다신초가 자연에서 자란 철피석곡 지상부, 지하부 및 조직 배양된 원괴체상구체보다 타이로 시네이즈 활성 억제 및 멜라닌 생성억제 효과가 우수하였다. 이러한 결과들은 피부개선을 위한 화장품 성분으로서 조직배양체의 부분별 응용 가능성을 제공할 수 있을 것으로 사료된다.

다국어 초록 (Multilingual Abstract)

Dendrobium candidum is one of the well-known orchid on traditional and rare medicinal herb in China. We artificially cultured protocorm-like body and multiple shoots using the bioreactor culture system from Dendrobium candidum and experimented an efficacy as a cosmetic ingredient for skin care. Several studies previously have reported anti-tumor, wound healing and immunological function of Dendrobium candidum but other efficacies were not well known. In the present study, we investigated the cosmetic efficacy to know applicable value of protocorm-like body and multiple shoots cultured from Dendrobium candidum as a cosmetic ingredient. The biological activities of extracts from protocorm-like body, multiple shoots, aerial part and underground part of Dendrobium candidum were investigated. Results were found that extracts of protocorm-like body are superior to other extracts (underground part, aerial part and multiple shoots extracts) on anti-oxidant effect. Also, protocorm-like body extract contained the phenolic and flavonoid compounds more than aerial part, underground part and multiple shoots extracts. In addition, we investigated skin whitening effect related to whitening of skin. In tyrosinase activity and melanin synthesis assay, multiple shoots extract is superior to other extracts (aerial part, underground part and protocorm-like body), on inhibitory effect of tyrosinase activity and melanin synthesis respectively. These results indicate that the protocorm-like body and multiple shoots extracts cultured from Dendrobium candidum presents a new possibility of being applicable to skin improvement as a cosmetic ingredient.

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