Thirteen varieties (improved and local varieties) of non-parboiled milled rice (Oryza sativa Linn) grown in Nigeria and Cameroun were screened for gelatinization and amylose profile. Differential Scanning Calorimeter (DSC) was used in determining the gelatinization enthalpy (H), onset (To), peak (Tp) and conclusion (Tc) temperatures. Results from DSC curves presented a single endothermic transition and a flow of maximum heating at peak temperatures from 67.66 and 81.27 °C.The enthalpy levels varied from 0.33 J/g for Panter, to 2.90 J/g for Jamila. Amylose content varied from 8.59 % for FARO 57, to 23.61 % for TOX 3145. Comparing samples of local varieties with those of improved varieties showed higher values for onset and peak gelatinization temperatures among local varieties. A significant and positive correlation was observed in onset temperature, peak and conclusion temperatures while amylose was negatively and weakly related to all gelatinization parameters.
Published in | International Journal of Nutrition and Food Sciences (Volume 2, Issue 4) |
DOI | 10.11648/j.ijnfs.20130204.14 |
Page(s) | 181-186 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2013. Published by Science Publishing Group |
Non-Parboiled Rice, Improved Rice, Local Rice, Gelatinization, Amylose, DSC
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APA Style
Amaka M. Odenigbo, Amaka M. Odenigbo, Michael Ngadi, Chijioke Ejebe, Chijioke Nwankpa, et al. (2013). Study on the Gelatinization Properties and Amylose Content of Rice Varieties from Nigeria and Cameroun. International Journal of Nutrition and Food Sciences, 2(4), 181-186. https://doi.org/10.11648/j.ijnfs.20130204.14
ACS Style
Amaka M. Odenigbo; Amaka M. Odenigbo; Michael Ngadi; Chijioke Ejebe; Chijioke Nwankpa, et al. Study on the Gelatinization Properties and Amylose Content of Rice Varieties from Nigeria and Cameroun. Int. J. Nutr. Food Sci. 2013, 2(4), 181-186. doi: 10.11648/j.ijnfs.20130204.14
AMA Style
Amaka M. Odenigbo, Amaka M. Odenigbo, Michael Ngadi, Chijioke Ejebe, Chijioke Nwankpa, et al. Study on the Gelatinization Properties and Amylose Content of Rice Varieties from Nigeria and Cameroun. Int J Nutr Food Sci. 2013;2(4):181-186. doi: 10.11648/j.ijnfs.20130204.14
@article{10.11648/j.ijnfs.20130204.14, author = {Amaka M. Odenigbo and Amaka M. Odenigbo and Michael Ngadi and Chijioke Ejebe and Chijioke Nwankpa and Nahemiah Danbaba and Sali Ndindeng and John Manful}, title = {Study on the Gelatinization Properties and Amylose Content of Rice Varieties from Nigeria and Cameroun}, journal = {International Journal of Nutrition and Food Sciences}, volume = {2}, number = {4}, pages = {181-186}, doi = {10.11648/j.ijnfs.20130204.14}, url = {https://doi.org/10.11648/j.ijnfs.20130204.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijnfs.20130204.14}, abstract = {Thirteen varieties (improved and local varieties) of non-parboiled milled rice (Oryza sativa Linn) grown in Nigeria and Cameroun were screened for gelatinization and amylose profile. Differential Scanning Calorimeter (DSC) was used in determining the gelatinization enthalpy (H), onset (To), peak (Tp) and conclusion (Tc) temperatures. Results from DSC curves presented a single endothermic transition and a flow of maximum heating at peak temperatures from 67.66 and 81.27 °C.The enthalpy levels varied from 0.33 J/g for Panter, to 2.90 J/g for Jamila. Amylose content varied from 8.59 % for FARO 57, to 23.61 % for TOX 3145. Comparing samples of local varieties with those of improved varieties showed higher values for onset and peak gelatinization temperatures among local varieties. A significant and positive correlation was observed in onset temperature, peak and conclusion temperatures while amylose was negatively and weakly related to all gelatinization parameters.}, year = {2013} }
TY - JOUR T1 - Study on the Gelatinization Properties and Amylose Content of Rice Varieties from Nigeria and Cameroun AU - Amaka M. Odenigbo AU - Amaka M. Odenigbo AU - Michael Ngadi AU - Chijioke Ejebe AU - Chijioke Nwankpa AU - Nahemiah Danbaba AU - Sali Ndindeng AU - John Manful Y1 - 2013/07/10 PY - 2013 N1 - https://doi.org/10.11648/j.ijnfs.20130204.14 DO - 10.11648/j.ijnfs.20130204.14 T2 - International Journal of Nutrition and Food Sciences JF - International Journal of Nutrition and Food Sciences JO - International Journal of Nutrition and Food Sciences SP - 181 EP - 186 PB - Science Publishing Group SN - 2327-2716 UR - https://doi.org/10.11648/j.ijnfs.20130204.14 AB - Thirteen varieties (improved and local varieties) of non-parboiled milled rice (Oryza sativa Linn) grown in Nigeria and Cameroun were screened for gelatinization and amylose profile. Differential Scanning Calorimeter (DSC) was used in determining the gelatinization enthalpy (H), onset (To), peak (Tp) and conclusion (Tc) temperatures. Results from DSC curves presented a single endothermic transition and a flow of maximum heating at peak temperatures from 67.66 and 81.27 °C.The enthalpy levels varied from 0.33 J/g for Panter, to 2.90 J/g for Jamila. Amylose content varied from 8.59 % for FARO 57, to 23.61 % for TOX 3145. Comparing samples of local varieties with those of improved varieties showed higher values for onset and peak gelatinization temperatures among local varieties. A significant and positive correlation was observed in onset temperature, peak and conclusion temperatures while amylose was negatively and weakly related to all gelatinization parameters. VL - 2 IS - 4 ER -