2. Academic Validation
  3. Structural characterisation and antioxidant activity evaluation of phenolic compounds from cold-pressed Perilla frutescens var. arguta seed flour

Structural characterisation and antioxidant activity evaluation of phenolic compounds from cold-pressed Perilla frutescens var. arguta seed flour

  • Food Chem. 2014 Dec 1;164:150-7. doi: 10.1016/j.foodchem.2014.05.062.
Xiao-Jing Zhou 1,  Lin-Lin Yan 2,  Pei-Pei Yin 2,  Ling-Ling Shi 2,  Jing-Hua Zhang 3,  Yu-Jun Liu 4,  Chao Ma 5
Affiliations

Affiliations

  • 1 National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China; Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China; Beijing Center for Physical and Chemical Analysis, Beijing 100089, China.
  • 2 National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China; Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
  • 3 Beijing Center for Physical and Chemical Analysis, Beijing 100089, China.
  • 4 National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China; Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China. Electronic address: yjliubio@163.com.
  • 5 National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China; Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China. Electronic address: machao@bjfu.edu.cn.
PMID: 24996318 DOI: 10.1016/j.foodchem.2014.05.062
Abstract

A total of 11 phenolic compounds, as well as sucrose (12) and tryptophan (13), were isolated from cold-pressed Perilla frutescens var. arguta seed flour using column chromatography, and their chemical structures were identified as 3'-dehydroxyl-rosmarinic acid-3-o-glucoside (1), rosmarinic acid-3-o-glucoside (2), rosmarinic acid (3), rosmarinic acid methyl ester (4), luteolin (5), luteolin-5-o-glucoside (6), apigenin (7), caffeic acid (8), caffeic acid-3-o-glucoside (9), vanillic acid (10) and cimidahurinine (11) using NMR and time-of-flight mass spectrometry. Of these components, compound 1 is novel, and this is the first report of compounds 10 and 11 in perilla seeds. HPLC quantification combined with antioxidant activity evaluation revealed that rosmarinic acid and rosmarinic acid-3-o-glucoside were the dominant phenolic Antioxidants with strong antioxidant activities.

Keywords

Antioxidant activity; Flavonoids; Perilla frutescens; Perilla seeds; Phenolic compounds.

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