Separation and identification of phospholipids from fresh, cold and frozen bolti fish (Tilapia Orhyochromis)‎ formed in Riyadh area and the effect of antibiotics on them

الملخص EN

The phospholipids content of Bolii fish ( Tilt/pia orhyochromis i obtained from artifi"iallake in Riyadh was determined over periods of storage at (4"(') and ( ~ IW{') .

The effect of unnbiotics .

SIKh ;IS tctrucyclinc (TC') .

Oxytctrucycliuc (OTe) and chlortcnac yclinc (CIT) on phospholipids content of Bolti during storage was a 1' >(, studied .

The dillcrenllr;Klion, 01 phoxphnlipicls contcnt were dctcrmincd hy thin layer chromatography.

The ronh, re vealed th.u : The phospholipids umountc« 10 .11l'X, ofthe total lipid, :\\ Cragl' .

Antibiut«: (I'l:at'llcnls uSl'd in Ihi, study reduced the 10....01 lipids ami consequently the loss 01 phll'I'IHllipids during cold .uul hl'czing slmage .

I'n'l'tionillion 01 I'hosl'lHllil'ids revealed the I'rl"l'IIl'C 01 I ccirhiu .

LthanolalTlinl' .

Serine .

SphingolTlyl'lin and I.y'oln·ilhin .

Lccittun constiuncd about J~ % 01 a ll phospholip«! cunt cut , iollowcd by crhunolaminc which was about h:1I1 the amount of Lecithin .

The ditlcrcnccs between the treated and untreated I;-'h were highly sig niticant in most of the studied samples.