CONTENTS OF TOTAL LIPIDS AND LIPID CLASSES AND COMPOSITION OF FATTY-ACIDS IN SMALL MILLETS - FOXTAIL (SETARIA-ITALICA), PROSO (PANICUM-MILIACEUM), AND FINGER (ELEUSINE-CORACANA)
R. Sridhar et G. Lakshminarayana, CONTENTS OF TOTAL LIPIDS AND LIPID CLASSES AND COMPOSITION OF FATTY-ACIDS IN SMALL MILLETS - FOXTAIL (SETARIA-ITALICA), PROSO (PANICUM-MILIACEUM), AND FINGER (ELEUSINE-CORACANA), Cereal chemistry, 71(4), 1994, pp. 355-359
Grain samples of small millets, namely foxtail (Setaria italica), pros
o (Panicum miliaceum), and finger (Eleusine coracana), were extracted
sequentially with hexane for free lipids, with hot water-saturated but
anol for bound lipids, and again with hexane after acid hydrolysis for
structural lipids. The total lipid content (dwb), comprising free, bo
und, and structural lipids was: 11.0% (45.4, 47.3, and 7.3%) in foxtai
l, 9.0% (62.2, 27.8, and 10.0%) in proso, and 5.2% (42.3, 46.2, and 11
.5%) in finger millets. The nonpolar lipids (NL), glycolipids (GL), an
d phospholipids (PL), separated by silicic acid column chromatography,
constituted 80-83%, 6-14%, and 5-14%, respectively, of the total lipi
ds. The subclasses, separated by thin-layer chromatography, consisted
chiefly of triacylglycerols in NL; esterified sterylglycosides, monoga
lactosyldiglycerides, and digalactosyldiglycerides in GL; and phosphat
idylcholine, phosphatidylethanolamine, and lysophosphatidylcholine in
PL. Linoleic, oleic, and palmitic acids were the chief constituents in
all the lipid classes. Linolenic acid was present in appreciable prop
ortions in the PL classes.