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논문검색

Antioxidant and Antimicrobial Activities of Fermentation and Ethanol Extracts of Pine Needles (Pinus densiflora)

원문정보

Yim, Moo-Hyun, Hong, Taek-Geun, Lee, Jun-Ho

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초록

영어

The antioxidant and antimicrobial activity of the fermentation extract (PFE) and the 50 and 80% ethanol extracts (PE 50, PE 80) of Pinus densiflora pine needles were evaluated. Electron donating ability, superoxide dismutase (SOD) ability, and antimicrobial activity were observed in PFE; those abilities differed in PE 80 and PE 50, depending on the ethanol concentration used for the extraction. PFE had the highest electron donating ability with a value of 92.20%, while PE 80 and PE 50 had values of 74.66 and 53.47%, respectively. For SOD activity, PE 80 exhibited a slightly higher value of 31.11% compared to that of PFE and PE 50, which were 29.65 and 25.43%, respectively. PFE, PE 50, and PE 80 were all found to inhibit bacteria, and the effectiveness of this inhibition was strongly related to the type of extracts used. PFE showed good antimicrobial effects for all of the tested Gram-positive strains and for most of the tested Gram-negative strains. These results suggest that PFE has superior functionality compared to the ethanol extracts (PE 80, PE 50), in terms of antioxidant and antimicrobial activity. On the basis of these results, pine needle fermentation extracts can be used for industrial applications as a functional material.

목차

Abstract
 Introduction
 Materials and Methods
 Results and Discussion
 References

저자정보

  • Yim, Moo-Hyun Department of Food Science and Engineering, Daegu University
  • Hong, Taek-Geun Department of Planning and Development, Natural F&P Corporation
  • Lee, Jun-Ho Department of Food Science and Engineering, Daegu University

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