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KMID : 0380020060210050376
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Korean Journal of Biotechnology and Bioengineering
2006 Volume.21 No. 5 p.376 ~ p.383
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The Functional Effects of Fermented Pine Needle Extract
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Park Ga-Young
Li Hong-Xian
Hwang In-Deok
Cheong Hyeon-Sook
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Abstract
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Pine needle (Pinus densiflora sieb, et zucc) extract has been used to improve cardiovascular disorders, detoxification of nicotine, the infirmities of age and curing diseases of unidentified symptoms. It has various useful components including amino acids, vitamin C, terpenoids and chlorophyll. In this study we have identified 8 different yeast strains that are developed spontaneously causing self fermentation in the extract. The self-fermented pine extract (SFPE) inhibited the growth of some bacterial strains like E. coli, Bacillus subtilis and Staphylococcus aureus. The SFPE (0.2 ㎕/ml~0.3 ㎕/ml) showed 90% NBT superoxide scavenging activities which is similar for all tested samples of different ages. The 7 years old SFPE (0.15 mg/ml and 0.3 mg/ml) caused relaxation of spontaneous contraction and relaxation rhythm of thoracic arterial tissues from rat. Therefore, SFPE has useful effects such as antibacterial, antioxidant and improved blood circulation and could be a good source of functional food development.
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KEYWORD
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Pine needle extract, self-fermentation, antibacterial activity, antioxidant, improved blood circulation
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