University of Ghana From the SelectedWorks of Professor Emmanuel Ohene Afoakwa June, 2006 Application of response surface methodology for studying the influence of soaking, blanching and sodium hexametaphosphate salt concentration on some biochemical and physical characteristics of cowpeas (Vigna unguiculata) during canning Emmanuel Ohene Afoakwa, University of Strathclyde Samuel Yenyi, University of Ghana Available at: hps://works.bepress.com/emmanueloheneafoakwa/5/