Volume 6, Issue 1 2011 Article 9 Chemical Product and Process Modeling Optimum Acetone and Ethanol Extraction of Polyphenols from Pinus caribaea Bark: Maximizing Tannin Content Using Response Surface Methodology Nana S. A. Derkyi, Forestry Research Institute of Ghana Benjamin Adu-Amankwa, Kwame Nkrumah University of Science and Technology Daniel Sekyere, Forestry Research Institute of Ghana Nicholas A. Darkwa, Kwame Nkrumah University of Science and Technology Recommended Citation: Derkyi, Nana S. A.; Adu-Amankwa, Benjamin; Sekyere, Daniel; and Darkwa, Nicholas A. (2011) "Optimum Acetone and Ethanol Extraction of Polyphenols from Pinus caribaea Bark: Maximizing Tannin Content Using Response Surface Methodology," Chemical Product and Process Modeling: Vol. 6: Iss. 1, Article 9. DOI: 10.2202/1934-2659.1546 Brought to you by | New York University Bobst Library Technical Services Authenticated Download Date | 5/22/15 4:22 PM