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3 results on '"Peng-Xiang Lai"'

1. Chemical Composition, Antibacterial, Cytotoxic and Antioxidant Activities of the Essential Oil of Malvastrum coromandelianum Aerial Parts

Author

Xueting Wang, Peng-Xiang Lai, Yingxin Xiang, Xiaodan Su, and Yuanji Liu

Subjects
Antioxidant, Traditional medicine, biology, 010405 organic chemistry, Chemistry, medicine.medical_treatment, Organic Chemistry, Malvastrum coromandelianum, biology.organism_classification, 01 natural sciences, Biochemistry, 0104 chemical sciences, Analytical Chemistry, law.invention, 010404 medicinal & biomolecular chemistry, law, medicine, Subshrub, Antibacterial activity, Chemical composition, Essential oil, Malvaceae
Abstract

Malvastrum coromandelianum (L.) Garcke is a subshrub of the Malvaceae family with various medicinal properties. The objective of this study was to investigate the chemical composition, antibacteria...

Published
2019
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2. Chemical Composition and Antioxidant Activity of the Essential Oil of the Whole Plant ofRungia pectinata

Author

Peng-Xiang Lai, Fengya Mi, Yuxuan Zhang, Ping Gao, and Jie Gao

Subjects
Antioxidant, DPPH, medicine.medical_treatment, Organic Chemistry, 030226 pharmacology & pharmacy, 01 natural sciences, Biochemistry, 0104 chemical sciences, Analytical Chemistry, law.invention, 010404 medicinal & biomolecular chemistry, 03 medical and health sciences, Rungia pectinata, chemistry.chemical_compound, 0302 clinical medicine, chemistry, law, Botany, Acetone, medicine, Food science, Trans-phytol, Chemical composition, Essential oil
Abstract

The volatile components from whole plant of Rungia pectinata were obtained by hydrodistillation and analyzed by GC and GC-MS. A total of 38 compounds were identified, representing 94.51 % of the oil. The dominant compounds were trans-phytol (35.77 %), hexahydrofarnesyl acetone (18.72 %) and isophytol (3.79 %). Antioxidant and radical-scavenging properties were evaluated by means of 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assay.

Published
2016
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3. Concise Synthesis of Pentenyl Phenyl Acrylic Acid

Author

De-Qun Sun, Jingen Deng, Wei-Dong Xie, Yaozhong Jiang, and Peng-Xiang Lai

Subjects
chemistry.chemical_compound, Natural product, chemistry, Organic Chemistry, Organic chemistry, Sonogashira coupling, Stereoselectivity, Structural unit, Acrylic acid, Pepticinnamin E
Abstract

Pentenyl phenyl acrylic acid is a structural unit of pepticinnamin E, a natural product and a bisubstrate inhibitor of FPTase. In this article, a new synthetic strategy was developed to prepare pen...

Published
2007
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