Pittosporum resiniferum, the resin cheesewood or petroleum nut, is a tree that grows in the Philippines and Malaysia, particularly in the wilderness surrounding the Mayon Volcano and in the Cordillera of the Philippines and Mount Kinabalu of Sabah, Malaysia. The petroleum nut derives its name from the resemblance of the fruit's odor to petroleum-based fuels. The fruits of the tree burn brightly when ignited, and can be used for illumination as torches or candles. Its fruit is also highly suitable for use in producing biofuel. This use has been encouraged by the Philippines Department of Agrarian Reform and the Philippine Coconut Authority.
In the Philippine Cordilleras petroleum nut is locally known as apisang, abkel, abkol and da-il, is found among other trees like oak and other mossy forest species. It can also grow well with pine trees.
The oil can also be distilled into a very pure form of n-Heptane.
- Sugau, John B. (1995). "Pittosporum resiniferum Hemsl." (PDF). In Soepadmo, E.; Wong, K. M. Tree Flora of Sabah and Sarawak. (free online from the publisher, lesser resolution scan PDF versions). 1. Forest Research Institute Malaysia. p. 303. ISBN 983-9592-34-3. Retrieved June 27, 2012.
- "Pittosporum resiniferum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 6 October 2015.
- Duke Energy Handbook www.hort.purdue.edu. Accessed May 17, 2007
- Bengwayan, Michael (First published November 15, 2010). "Petroleum Nut: Sustainable, Wonder Biofuel". Pine Tree Cordillera Ecological Center. Ideas Connection. Retrieved November 17, 2010. Check date values in:
- Malanes, Maurice (December 27, 2011). "Social network paves way for interest in fuel-producing tree". Philippine Daily Inquirer. Retrieved January 2, 2012.
- Handbook of Energy Crops
- Asian Journal: 2 wild plants eyed for bio-diesel
- Social network paves way for interest in fuel-producing tree
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