Acknowledgements
The authors would like to express sincere gratitude to the Graduate School of Kasetsart University, Kasetsart University Research and Development Institute (KURDI) – Thailand and Thailand Toray Science Foundation (TTSF) for the financial support of this research for financial support. Special thanks are extended to the Patum Rice Mill and Granary Co., Ltd., Thailand, for providing the rice bran. We appreciate the kind assistance of Dr. Dwayne Meadows for English grammar checking