Fig 2. SDS-PAGE - 15% polyacrylamide gels showing the band profile of peanut extracts. The gels were stained with Coomassie Brilliant Blue. The first column shows the molecular weight bands (MW). CPE: Crude peanut protein extracts. BB-2βME: borate buffer with addition of 2% β-mercaptoethanol. BB: borate buffer. SB: Saline buffer. TB/HCl: Tris/HCl buffer.