[1] State Univ Paraiba, Grad Program Pharmaceut Sci, BR-58429600 Campina Grande, Paraiba, Brazil
[2] Natl Ctr Cotton Res, Brazilian Agr Res Corp, BR-58428095 Campina Grande, Paraiba, Brazil
[3] Univ Sao Paulo, Dept Biochem & Pharmaceut Technol, BR-05508000 Sao Paulo, Brazil
[4] Univ Genoa, Dept Civil Chem & Environm Engn, Chem Engn Pole, I-16145 Genoa, Italy