Obtaining a protein concentrate from integral defatted sunflower flour.
Proteins which are found in integral defatted sunflower flour (27% of protein in dry weight) allow us to produce a protein concentrate by means of extraction of proteins with a basic pH solution, followed by their precipitation with an acid pH solution. Once the suitable conditions for pH and temperature were fixed in order to carry out these processes, a solid proteic concentrate (71% of protein in dry weight) was obtained which was rich in glutamic and aspartic acids, with a liquid supernatant very rich in phosphorus and potassium, which might be used as an agricultural fertilizer.
Ordóñez
C
C
Departamento de Química Agrícola y Edafología, Facultad de Ciencias, Universidad de Córdoba, Spain. qe2ormoc@uco.es
Asenjo
M G
MG
Benitez
C
C
González
J L
JL
D000596:Amino Acids / Q000032:analysis; D005308:Fertilizers / Q000032:analysis; D006368:Helianthus / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D010940:Plant Proteins / Q000737:chemistry / Q000302:isolation & purification*; D012996:Solutions
D000596:Amino Acids; D005308:Fertilizers; D010940:Plant Proteins; D012996:Solutions