/oss/taxonomy/term/3565/all en /oss/article/history/myrrhy-christmas <p>Both frankincense and myrrh are natural exudates of certain trees found in the Middle East. When the bark is injured, a sap containing a variety of natural fungicides and bactericides oozes out and prevents the entry of microorganisms into the trees' circulation. The stuff eventually hardens into a resin which can be scraped off.</p> Tue, 18 Dec 2018 16:47:32 +0000 Joe Schwarcz PhD 7504 at /oss