phytoncide
파이톤사이드, 피톤치드
어원] phyton(식물)+-cide(죽이다) → 식물이 만드는 자연 항균 물질
You can benefit from the therapeutic effect of phytoncide, which is an antibiotic substance that trees give off in the air to defend themselves from bacteria, fungi, and insects.
여러분은 파이톤사이드(피톤치드)의 치료효과의 혜택을 받을 수 있는데 피톤치드는 나무가 자신을 박테리아, 곰팡이, 곤충들로부터 보호하기 위해 대기 속으로 내뿜는 항생물질이다.
With phytoncide releasing "forest energy," you literally come in contact with a vaporized natural substance in the air by simply walking or staying in the forest.
피톤치드가 "숲의 에너지"를 방출하는 가운데 여러분은 숲을 그저 걷거나 머무르기만 해도 대기 속의 기화된 천연물질과 글자 그대로 접하게 된다.
Effect of phytoncide from trees on human natural killer cell function.
Li Q, et al. Int J Immunopathol Pharmacol. 2009 Oct-Dec.
Abstract
We previously reported that the forest environment enhanced human natural killer (NK) cell activity, the number of NK cells, and intracellular anti-cancer proteins in lymphocytes, and that the increased NK activity lasted for more than 7 days after trips to forests both in male and female subjects. To explore the factors in the forest environment that activated human NK cells, in the present study we investigate the effect of essential oils from trees on human immune function in twelve healthy male subjects, age 37-60 years, who stayed at an urban hotel for 3 nights from 7.00 p.m. to 8.00 a.m. Aromatic volatile substances (phytoncides) were produced by vaporizing Chamaecyparis obtusa (hinoki cypress) stem oil with a humidifier in the hotel room during the night stay. Blood samples were taken on the last day and urine samples were analysed every day during the stay. NK activity, the percentages of NK and T cells, and granulysin, perforin, granzyme A/B-expressing lymphocytes in blood, and the concentrations of adrenaline and noradrenaline in urine were measured. Similar control measurements were made before the stay on a normal working day. The concentrations of phytoncides in the hotel room air were measured. Phytoncide exposure significantly increased NK activity and the percentages of NK, perforin, granulysin, and granzyme A/B-expressing cells, and significantly decreased the percentage of T cells, and the concentrations of adrenaline and noradrenaline in urine. Phytoncides, such as alpha-pinene and beta-pinene, were detected in the hotel room air. These findings indicate that phytoncide exposure and decreased stress hormone levels may partially contribute to increased NK activity.
Similar articles
A day trip to a forest park increases human natural killer activity and the expression of anti-cancer proteins in male subjects.Li Q, et al. J Biol Regul Homeost Agents. 2010.
Visiting a forest, but not a city, increases human natural killer activity and expression of anti-cancer proteins.Li Q, et al. Int J Immunopathol Pharmacol. 2008.
A forest bathing trip increases human natural killer activity and expression of anti-cancer proteins in female subjects.Li Q, et al. J Biol Regul Homeost Agents. 2008.
The mechanism of organophosphorus pesticide-induced inhibition of cytolytic activity of killer cells.
Review article
Li Q, et al. Cell Mol Immunol. 2006.
Possibility of clinical applications of forest medicine.
Review article
Li Q, et al. Nihon Eiseigaku Zasshi. 2014.
첫댓글 phytoncide
파이톤사이드
phyton 식물 + cide 죽이다
Python
1.피톤(그리스 신화, Apollo가 Delphi에서 퇴치한 거대한 뱀).
2. (p-) 비단뱀류, 거대한 구렁이.