Tall Oil Precursors in Sweetgum

Authors

  • Daniel O. Foster
  • Duane F. Zinkel

Keywords:

Sweetgum, <i>Liquidambar styraciflua</i> L, wood extract, tall oil, fatty acids

Abstract

Sweetgum is the major hardwood species being used by the kraft pulp industry of the southeastern United States. An accurate description of the diethyl ether extract is necessary to determine the quantity and quality of tall oil obtainable from this wood. The tall oil precursors content of fresh sweetgum sapwood was shown to be less than 0.2% on the oven-dried wood basis, about one-tenth the amount in southern pines. The proportion of neutrals was nearly six times larger than that found in pines; the major components were sitosterol and stigmastanol. The major components of the acids fraction were linoleic, linolenic, palmitic, oleic, and stearic acids; this is typical of hardwoods.

References

Boyce, S. G., and H. A. Knight. 1980. Prospective ingrowth of southern hardwoods beyond 1980. USDA For. Serv. Res. Pap. SE-203. Southeast. For. Exp. Sta., Asheville, NC.nChoong, E. T., and P. J. Fogg. 1976. Extractives content and cell wall specific gravity in sweetgum. Louisiana State Univ. Wood Util. Note No. 30, Baton Rouge, LA.nDrew, J., and M. Propst. 1981. Tall oil. Chap. 2. Tall oil soap recovery. Pulp Chemicals Assoc, New York.nEkman, R., and G. Pensar. 1973. Identification of total fatty acids in birch (Betula verrucosa) by gas chromatography-mass spectrometry. Fin. Kem. Medd.82(4):105-113.nStone, R. N., and H. Spelter. 1980. Hardwood timber supplies: Issues and options. 1980 Annual Mtg. For. Prod. Res. Soc., Boston, MA.nWalkup, J. H., R. I. Rush, and G. Haywood. 1956. The extractives of southern gum wood. Tappi39(6):190A-193A.nZinkel, D. F. 1975. Tall oil precursors—an integrated analytical scheme for pine extractives. Tappi58(1):109-111.nZinkel, D. F., and D. O. Foster. 1980. Tall oil precursors in the sapwood of four southern pines. Tappi63(5):137-139.n

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Published

2007-06-27

Issue

Section

Research Contributions