Proven ?-humulene emitters into the atmosphere are pine trees, orange orchards, marsh elders, tobacco, and sunflower fields . ?-Humulene is contained in the essential oils of aromatic plants such as " Salvia officinalis " ( common sage, culinary sage ), " Lindera strychnifolia"
12.
They are characterized through analysis as having an alpha : beta ratio of 1 : 1, low alpha-acid levels ( 2 5 % ) with a low cohumulone content, low myrcene in the hop oil, high humulene in the oil, a ratio of humulene : caryophyllene above three, and poor storability resulting in them being more prone to oxidation.
13.
They are characterized through analysis as having an alpha : beta ratio of 1 : 1, low alpha-acid levels ( 2 5 % ) with a low cohumulone content, low myrcene in the hop oil, high humulene in the oil, a ratio of humulene : caryophyllene above three, and poor storability resulting in them being more prone to oxidation.
14.
In the seeds of round cardamom from Java ( " A . kepulaga " ), the content of essential oil is lower ( 2 to 4 % ), and the oil contains mainly 1, 8 cineol ( up to 70 % ) plus ?-pinene ( 16 % ); furthermore, ?-pinene, ?-terpineol and humulene were found.
15.
"' Caryophyllene "', or ( & minus; )-?-caryophyllene, is a natural bicyclic sesquiterpene that is a constituent of many essential oils, especially clove oil, the oil from the stems and flowers of " Syzygium aromaticum " ( cloves ), the essential oil of " Cannabis sativa ", It is usually found as a mixture with isocaryophyllene ( the " cis " double bond isomer ) and ?-humulene ( obsolete name : ?-caryophyllene ), a ring-opened isomer.
