EFFECT OF ACETYL SALICYLIC ACID ON FATTY ACID COMPOSITION OF GROUNDNUT (ARACHIS HYPOGAEA L.) SEEDS
Sunita Hariram Jadhav*, Sharad Baburao Bhamburdekar
ABSTRACT
A field experiment was conducted to study the effect of foliar
application of acetyl salicylic acid (ASA) on oil content and oil fatty
acid composition of groundnut seeds (Cv. SB-11). The treatments
comprised of different concentrations (5, 50, 100 and 200 ppm) of
ASA. Gas liquid chromatographic analysis of the fatty acid methyl
esters revealed that ASA treatments increased monounsaturated fatty
acids (MUFAs). In contrast to it decreased content of total
polyunsaturated fatty acid (PUFA) was detected in seeds of groundnut
plants treated with ASA. Results found higher contents of MUFAs of
total fat as compared to saturated fatty acids and PUFAs. Among the
MUFAs, significant content of oleic acid (18:1) was observed in seeds
of 5 and 200 ppm ASA treated groundnut plants. In addition to it 200
ppm ASA effectively increased gamma linoleic acid (18:3n6).
Similarly treatments of ASA found beneficial in increasing long chain saturated fatty acids
such as arachidic acid (20:0) and behenic acid (22:0). It was reported that except 50 ppm
ASA all the applied treatments of ASA increased total oil contents of seeds over control.
Total trans fats were not detected in seeds of ASA treated plants.
Keywords: Acetyl salicylic acid, Fatty acid, Groundnut seed.
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