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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.12
- 수록면
- 342 - 351 (10page)
- DOI
- 10.7841/ksbbj.2017.32.4.342
이용수
초록· 키워드
오류제보하기
Bamboo trees have high economic values because of rapid growth rate, rich biomass components and good health effects. Among several parts of bamboo tree, bamboo stem contains a considerable amount of cellulose and lignin, and a little amount of minerals, silica, and etc. In this study, domestic bamboos (Phyllostachys bambusoides (1) and Phyllostachys nigra var. henosis (2)) lignins were prepared by steam explosion (temperature 210oC, 2 MPa) and organosolv pretreatment. The results showed that steam explosion lignin (SEL1, SEL2) had a higher yield (12% and 21%). Characteristics of lignin structures were confirmed by FT-IR, and <SUP>1</SUP>H-, <SUP>13</SUP>C-, and 2D HSQC NMR. SEL1 and SEL2 were the typical GHS-type lignins and their bonds units were predominantly β-O-4’linkages. Antioxidant effects were assayed by DPPH and ABTS radical scavenging activity using ascorbic acid as a standard. The antioxidant activity of SEL1 was the best, and IC50 value of 383.89±25.35 μg/mL and 131.78±0.99 μg/mL, respectively. Cytotoxic concentration levels of all lignin samples were > 100 μg/mL based on MTT assay. To confirm the UV protection effect of lignin, SEL1 was added to commercial sunscreen (SPF 15) and moisturizing cream (no SPF) respectively. Addition of 10 wt% lignin to commercial sunscreen increased 45% of UV absorbance higher than moisturizing cream after 2 h of UV (UVA+UVB) radiation. The result of lignin addition has shown synergistic effects in UV protection and antioxidant effect.
목차
Abstract
1. INTRODUCTION
2. MATERIALS AND METHOD
3. RESULTS AND DISCUSSION
4. CONCLUSION
REFERENCES
참고문헌 (88)
참고문헌 신청
Azadi, P., O. R. Inderwildi, R. Farnood, and D. A. King (2013) Liquid fuels, hydrogen and chemicals from lignin: A critical review. Renew. Sust. Energ. Rev. 21: 506-523.
Kamm, B., M. Kamm, M. Schmidt, T. Hirth, and M. Schulze (2006) Biorefineries-Industrial Processes and Products. pp. 151-163. Wiley- VCH Verlag GmbH & Co. KGaA, Hoboken, NJ, USA.
Vinardell, M. P. and M. Mitjans (2017) Lignins and their derivatives with beneficial effects on human health. Int. J. Mol. Sci. 18: 12-19.
Zakzeski, J., P. C. Bruijnincx, A. L. Jongerius, and B. M. Weckhuysen (2010) The catalytic valorization of lignin for the production of renewable chemicals. Chem. Rev. 110: 3552-3599.
Song, H. S., H. J. Moon, B. E. Park, B. S. Choi, D. J. Lee, J. Y. Lee, C. J. Kim, and S. S. Sim (2007) Anti-oxidant activity and whitening activity of bamboo extracts. Yakhak Hoeji 51: 500-507.
Vinardell, M. P. and M. Mitjans (2017) Lignins and their derivatives with beneficial effects on human health. Int. J. Mol. Sci. 18: 12-19.
Zakzeski, J., P. C. Bruijnincx, A. L. Jongerius, and B. M. Weckhuysen (2010) The catalytic valorization of lignin for the production of renewable chemicals. Chem. Rev. 110: 3552-3599.
Song, H. S., H. J. Moon, B. E. Park, B. S. Choi, D. J. Lee, J. Y. Lee, C. J. Kim, and S. S. Sim (2007) Anti-oxidant activity and whitening activity of bamboo extracts. Yakhak Hoeji 51: 500-507.
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UCI(KEPA) : I410-ECN-0101-2018-470-001673704