CIDCA   05380
CENTRO DE INVESTIGACION Y DESARROLLO EN CRIOTECNOLOGIA DE ALIMENTOS
Unidad Ejecutora - UE
artículos
Título:
Application of enzymatic hydrolysis of sunflower lecithin using a pancreatic PLA2
Autor/es:
CABEZAS, D.M.; MADOERY, R.; DIEHL, B.W.K.; TOMÁS, M.C.
Revista:
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY (JAOCS)
Editorial:
SPRINGER
Referencias:
Lugar: Urbana, IL USA; Año: 2010
ISSN:
0003-021X
Resumen:
Lecithins are a mixture of acetone insoluble phos-
pholipids, containing mainly phosphatidylcholine (PC),pholipids, containing mainly phosphatidylcholine (PC),
phosphatidylethanolamine (PE), phosphatidylinositol (PI),phosphatidylethanolamine (PE), phosphatidylinositol (PI),
minor compounds such as phosphatidic acid (PA), andminor compounds such as phosphatidic acid (PA), and
other minor substances such as carbohydrates [1]. Theother minor substances such as carbohydrates [1]. The
introduction of changes in the original concentration ofintroduction of changes in the original concentration of
these phospholipids, by chemical or enzymatic modifica-these phospholipids, by chemical or enzymatic modifica-
tion of their structure can lead to lecithins with differenttion of their structure can lead to lecithins with different
physicochemical and functional properties, with respect tophysicochemical and functional properties, with respect to
native lecithin. These modified compounds can be used innative lecithin. These modified compounds can be used in
the development of a variety of food products, such asthe development of a variety of food products, such as
margarines, chocolates and bakery products [2, 3]. Enzy-margarines, chocolates and bakery products [2, 3]. Enzy-
matic hydrolyzed lecithin may present technological andmatic hydrolyzed lecithin may present technological and
commercial advantages over native lecithins as O/Wcommercial advantages over native lecithins as O/W
emulsifier and mold- or pan-releasing agent. Consequently,emulsifier and mold- or pan-releasing agent. Consequently,
the demand for lysolecithin has been increasing in recentthe demand for lysolecithin has been increasing in recent
years [4, 5]. PLA2 is the most employed family of enzymesyears [4, 5]. PLA2 is the most employed family of enzymes
for the modification of lecithins [6]. These enzymes play anfor the modification of lecithins [6]. These enzymes play an
important role in biochemical processes such as turnover of
membrane phospholipids or the regulation of bioactive
membrane phospholipids or the regulation of bioactive
membrane phospholipids or the regulation of bioactive
membrane phospholipids or the regulation of bioactive
membrane phospholipids or the regulation of bioactive
membrane phospholipids or the regulation of bioactive
important role in biochemical processes such as turnover of
membrane phospholipids or the regulation of bioactive
substances, e.g. lysophospholipids, fatty acids, and lipid
mediators in inflammatory and digestion processes [7, 8]. 7, 8].
In Argentina, the production of sunflower oils is of
utmost importance with the consequent economic relevance
[9]. Sunflower lecithin, i.e. a byproduct of the de-gumming9]. Sunflower lecithin, i.e. a byproduct of the de-gumming
process of oils [10, 12], is an alternative to soybean lecithin 10, 12], is an alternative to soybean lecithin
because it is considered to be a non-GMO product, which is
currently preferred by certain consumers.
The aim of the present investigation was to evaluate the
influence of the main operating conditions on the applica-
tion of an enzymatic hydrolysis on sunflower lecithin at
laboratory scale. This study seeks to contribute to the oil
industry with useful information for rescaling this modifi-
cation process, in order to increase the value-added of
sunflower lecithins.