Abstract: In the cotyledon ceils of developing peanut (Arachis hypogaea L.) seeds, storage protein accumulates in the protein bodies. Protein deposition in the vacuoles does not take place until approximately 6 weeks after anthesis. By depositing onto the centre of the vacuoles at the early stage and depositing in the vacuolus as protein ceous lump or flocculent materials at the later stage, protein accumulates gradually to become a spherial protein body in the whole vacuole.

Key words: Peanut cotyledons, Forma ion of protein body, Accumulation of storage Protein