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It was found that the oil was much more likely to harm the bad bacteria, leaving the good ones alone. The
compounds responsible for healing however are the same compounds that can cause side effects and it is reasonable
to assume that even small amounts could be harmful. About the use of the tea tree oil it is said that ‘A little tea tree
oil is good. But more is not better!’. Another aspect of tea tree oil’s nature is that it is attracted very strongly to other
types of oils. This is called lipophilic, literally fat loving, in scientific terms. Since the skin is rich in oils, the
essential chemicals of Melaleuca can quickly be absorbed by the skin and enter the bloodstream.
The neem tree (Azadirachta indica) has much p otential for its healing possibilities and also for dealing with
insects. Much information can be found on the internet and currently Cornell University is researching the oil for
its uses in conservation.
7.4.4 Literature
The quantity of literature on the subject, or rather sub jects, in this section is substantial. Only a small selection is
listed below.
For literature on fumigants see Bond, 1998; Coleman, 1978; G erozisis et al., 1990; G illies et al., 1992; Haenel,
1964; Hengemihle et al., 1995; Leesch et al., 1978; McComb, 1983; Monro, 19 75; Mori et al., 197 4; Pinniger,
1998; Reade Fong, 2001; S mith, 1984b; Talwar, 1975. For more information on the fumigant Vikane see the
websites of the GCI and Dow Agro Sciences.
For literature on non-chemical treatments such as heat treatment, freezing and radiation see Baust, 1973; Brezner
et al., 1989; Daniel et al., 1993; Elert et al., 1997; Flint et al., 1981b; Florian, 1986; Forbes et al., 1987; Kaplan
et al., 1996; Ketcham, 1984; King, 1984; Lawson, 1988; Leclerc, 1989; McCall, 1986; Nesheim, 1984; Paton et
al., 1987; Peacock, 1998 and 1999; Smith, 1984a and 1986; Tanimura et al., 1995; Teply et al., 1986; Tilton et al.,
1982a and 1982b; Urban et al., 1986; Valentin et al., 1990;Wilkinson, 1980.
For traditional repellents see Davi, 19 89; Nair, 1993a; Samidi et al., 1993. For tea tree and neem tree check the
website of The Rural Industries Research and Development Corporation (RIRDC), the Neem Foundation. For some
literature on this subject see Ad Hoc Panel of the Board on Science and T echnology for International Developmen t.
National Research Council, n.d.; Casey Sclar, 1994; Gateby et al., 2001.