oil content and physicochemical characteristics of oils
oil content and physicochemical characteristics of oils
oil content and physicochemical characteristics of oils
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Saponification values<br />
300<br />
250<br />
200<br />
150<br />
100<br />
50<br />
0<br />
M. arboreus<br />
M. eminii<br />
M. holstii<br />
M. dura<br />
T. africana<br />
50<br />
P.<br />
macrophylla<br />
C.<br />
halicacabum<br />
C. procera<br />
C.<br />
gr<strong>and</strong>iflora<br />
T. vogelii<br />
P.<br />
usambarensis<br />
Figure 5: Saponification values <strong>of</strong> <strong>oil</strong>s from plants <strong>of</strong> Kahuzi-Biega National Park <strong>and</strong><br />
surrounding areas in D.R. Congo. Error bars (SD) are indicated in the figure. LSD<br />
(5%) = 5.154<br />
4.2.4. Oil unsaponifiable matter <strong>content</strong><br />
The <strong>oil</strong>s unsaponifiable matter <strong>content</strong> ranged from 0.48 to 2.25% (Figure 6). Podocarpus<br />
usambarensis <strong>oil</strong> had the highest values while Maesopsis eminii had the lowest. Myrianthus<br />
arboreus, Myrianthus holstii <strong>and</strong> Maesopsis eminii had fairly similar amounts <strong>of</strong> unsaponifiable<br />
matter <strong>of</strong> 0.54, 0.51 <strong>and</strong> 0.48 % respectively. All values obtained from <strong>oil</strong>s <strong>of</strong> plant species analyzed<br />
were statistically different (p
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