Directional Crystallization Kinetics of Coconut Oil under Temperature Gradient

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Dr. Jie peng
Dr. Jie peng
σ
Xue Bai
Xue Bai
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Yunzhu Zhang
Yunzhu Zhang
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Xingpeng Bai
Xingpeng Bai
α Hainan University

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Directional Crystallization Kinetics of Coconut Oil under Temperature Gradient

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Abstract

The directional crystallization kinetics of coconut oil was studied under the temperature gradient from 13℃ to 15℃. During the crystallization of coconut oil, the overall crystal growth rate Rg decreased over time, but it increased with the growth of temperature difference. While the change of crystallization yields Y first increased then decreased to constant. And the variation trend of crystallization yield with temperature difference was the same with crystal growth rate. The Avrami equation was basically fit for the analysis of coconut oil’s crystallization. Some deviations also existed during the last stage of crystallization. What’s more, the crystalline form and the methods of crystal growth both changed with different temperature.

References

10 Cites in Article
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  3. E Goh (2002). Applications and uses of palm and palm kernel oils in specialty products.
  4. Qiu Liu Haijun,Aiyong (2003). Fats and Oils Processing.
  5. Hua Pinpin (1987). Dry fractionation of fat or oil with the addiction of seed crystals.
  6. K Chaleepa,A Szepes,J Ulrich (2010). Dry fractionation of coconut oil by melt crystallization.
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  8. Amir Saberi,Oi-Ming Lai,Jorge Toro-Vázquez (2010). Crystallization kinetics of palm oil in blends with palm-based diacylglycerol.
  9. Bian Jie,Ye Sheng-Rong,Feng Lin-Xian (2000). Investigation on Avrami Equation of PET and PBT in Crystallization.
  10. Yu Xiang,Zhu Chengshen,He Suqin,Liu Wentao (2010). Avrami Kinetics Study of the Isothermal Crystallization of Poly(ε-caprolactone).

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. Jie peng. 2012. \u201cDirectional Crystallization Kinetics of Coconut Oil under Temperature Gradient\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 12 (GJSFR Volume 12 Issue B4): .

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Version of record

v1.2

Issue date

August 24, 2012

Language
en
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The directional crystallization kinetics of coconut oil was studied under the temperature gradient from 13℃ to 15℃. During the crystallization of coconut oil, the overall crystal growth rate Rg decreased over time, but it increased with the growth of temperature difference. While the change of crystallization yields Y first increased then decreased to constant. And the variation trend of crystallization yield with temperature difference was the same with crystal growth rate. The Avrami equation was basically fit for the analysis of coconut oil’s crystallization. Some deviations also existed during the last stage of crystallization. What’s more, the crystalline form and the methods of crystal growth both changed with different temperature.

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Directional Crystallization Kinetics of Coconut Oil under Temperature Gradient

Dr. Jie peng
Dr. Jie peng Hainan University
Xue Bai
Xue Bai
Yunzhu Zhang
Yunzhu Zhang
Xingpeng Bai
Xingpeng Bai

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