·°·°àπ‡°…µ√àπ‡°…µ√ Ûˆ (©∫ —∫æ '‡»…) ÚııÒ ªï∑'Ë 36 ©∫ —∫æ '‡»… 2551 KHON KAEN AGRIC. J. 36 (Supplement) 2008125 Abstract Wood vinegar or pyroligneous acid is a brown transparent liquid that produced by the condensation of the.