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Two new meroterpenoids from the bark of Cinnamomum cassia and their antioxidant activity

Cai-Hong Xiea School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaView further author information

Shang-Xiong Huanga School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaView further author information

Jin-Feng Lia School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaView further author information

Zhi-Hui Luob Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou510632, ChinaView further author information

Geng-Feng Huanga School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaView further author information

Bing-Bing Yana School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaView further author information

Hong-Xia Fana School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaCorrespondence[email protected]
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Jun-Xia Zhenga School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou510006, ChinaView further author information

Zheng-Qun Zhoub Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou510632, ChinaCorrespondence[email protected]
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Hao Gaob Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou510632, ChinaView further author information

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Abstract

Two new (1 and 2) meroterpenoids were isolated from the bark of Cinnamomum cassia. Their structures were determined by spectroscopic analyses and chemical methods. Antioxidant activities of 1 and 2 were evaluated by the ORAC and DPPH radical scavenging assays, and the results revealed that compound 2 displayed oxygen radical absorbance capacity. The discovery of compounds 1 and 2 added new members of this kind of natural product.

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No potential conflict of interest was reported by the author(s).

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Funding

This work was supported financially by grants from the National Natural Science Foundation of China [81803378], the Guangdong Provincial Natural Science Foundation [2018030310183], and the Science and Technology Planning Project of Guangzhou City (202102020347).

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Two new meroterpenoids from the bark of Cinnamomum cassia and their antioxidant activity

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Two new meroterpenoids from the bark of Cinnamomum cassia and their antioxidant activity

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