ANTI-NUTRITIONAL CONSTITUENT OF COLOCASIA ESCULENTA ...
ANTI-NUTRITIONAL CONSTITUENT OF COLOCASIA ESCULENTA ... ANTI-NUTRITIONAL CONSTITUENT OF COLOCASIA ESCULENTA ...
and 4.13 mg 100 g-l DMin the unprocessed tubers. The concentration ofiron and zinc was the lowest ofquantified minerals observed in the varieties studied. A.3.4 Fat and fatty-acids composition The percentage yield of crude fat extract from Amadumbe with methanol-chloroform is presented in Table A3-3a Table A3-3a: Yields of crude fat of Amadumbe extracted with methanol-chJorofonn Esikhawini white Esikhawini purple mixture (2:1, vlv) 3.3 3.6 The iodine numbers and the corresponding degree of unsaturation for the extracted lipids are presented in Table A3-3b. Table A3-3b: Iodine value ofAmadumbe lipid extract Esikhawini white Esikhawini purple 73 29 Figures A3-l (a-d) shows the results ofthe investigation into the composition offatty acids in Amadumbe, using HPLC-MS chromatographic techniques. 49 37 15
.=-- I:TOFMSd I' EWM 1 1 1 .1 "'I Ii r 6.411 I 0 I 0.00 EWM 2.00 •.00 6.00 6.00 7.81 10.00 12.00 1•.00 I:TOFMSES- 8.91 I I I I 7J101 11.51l 'UlO 11 0.00 2.00 ..00 lUIO 6.00 10.00 12.00 1••00 EWM 1: TOFMS ES- 8AO 281 8. 7.81 12..r 0 0.00 2.00 •.00 6.00 6.00 10.00 12.00 '''00 EWM ':TOFMSES- I 72 7.81 UO t.21 U7 Il.I3 0.88 1Q.03 IlSl '.19 4"'''35 L74 ,1 {: >:-:-, =do 5.78 6.411 \ 0.00 2.00 ••00 ;' 8.00 8.00 10.00 12.00 1••00 TIme Figures A3-1 a Esikhawini white Amadumbe extract (methanol-chloroform) 50
- Page 17 and 18: Figures C3-9 Figure B-1 The activit
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- Page 63 and 64: Table A3-1a: The moisture and ash c
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- Page 99 and 100: In conclusion, Section A ofthis stu
- Page 101 and 102: Alfaia S., Ribeiro G., Nobre A, Lui
- Page 103 and 104: Bhattacharyya A, Rai S. and Babu CR
- Page 105 and 106: Chavan U.D., Shahidi F. and Naczk M
- Page 107 and 108: De la Cuadra C., Muzquiz M, Burbano
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- Page 111 and 112: Grant G. (1991) Lectins. In: Toxic
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and 4.13 mg 100 g-l DMin the unprocessed tubers. The concentration ofiron and zinc was<br />
the lowest ofquantified minerals observed in the varieties studied.<br />
A.3.4 Fat and fatty-acids composition<br />
The percentage yield of crude fat extract from Amadumbe with methanol-chloroform is<br />
presented in Table A3-3a<br />
Table A3-3a: Yields of crude fat of Amadumbe extracted with methanol-chJorofonn<br />
Esikhawini white<br />
Esikhawini purple<br />
mixture (2:1, vlv)<br />
3.3<br />
3.6<br />
The iodine numbers and the corresponding degree of unsaturation for the extracted lipids<br />
are presented in Table A3-3b.<br />
Table A3-3b: Iodine value ofAmadumbe lipid extract<br />
Esikhawini white<br />
Esikhawini purple<br />
73<br />
29<br />
Figures A3-l (a-d) shows the results ofthe investigation into the composition offatty acids<br />
in Amadumbe, using HPLC-MS chromatographic techniques.<br />
49<br />
37<br />
15