Scientific research on the biological value of olive oil

Transcription

1 Scientific reserch on the biologicl vlue olive oil Cov F.G. Ally M. (ed.). L' économie de l' olivier Pr : CIHEAM Options Méditerrnéennes : Série Etudes; n V 1988 pges Article vilble on le / Article dponible en ligne à l dresse : To cite th rticle / Pour citer cet rticle Cov F.G. Scientific reserch on the biologicl vlue olive oil. In : Ally M. (ed.). L'économie de l'olivier. Pr : CIHEAM, p (Options Méditerrnéennes : Série Etudes; n V)

2 ~~ ~ ~~ CIHEAM - Options Mediterrneennes 149 Scientific reserch on the biologicl vlue olive oil Frncco Grnde Deprtmento de Bioquimic Universidd de Zrgoz - Sp The olive 6,000 so oil obted it hve been the diet t lest 4,000 The ftty cid composition olive oil (monoenoic 18 the totl ftty ftty cid composition olive the followg two sgle 9 nd C plces, given only s dictions: cids, %; monoenoic ftty cids (mly oleic), 70 %; loleic cid, 10%. The olive oil content loleic cid (C 18:2, n-61, n essentil ftty vegetble oils such s tht the olive oil content loleic cid sufficient to humns when olive oil used ft. A diet whose olive oil 20 % its n mount loleic cid equivlent to 2 % which tke. Th would be the cse 2,700 diet with 60 g olive oil. The olive oil view. lcohols, polyphenols significnt mount olive oil vitm E dequte to stfy vitm E view but cookg nd it conts mg to. tht its stbility when used its shelf life. olive oil, s with ll its, vlue the diet. ft I' clled the 9 humn diet shows to the diet. ft wht the 45 % the totl it 20% the totl to be dcussed it tht the ft content the diet should not exceed % its the diet, low

3 CIHEAM - Options Mediterrneennes mny people the it my be development the nd ctive dividuls with diets low ft content, mels. ft ft the development 30 been medited by by the effect food fts nd it to know effect its l dese, the ledg cuse deth mong mles composition ftty cids. less common the nd the to be Studies to th to the consumption ft. show the diet. Thus, the well-known Seven hs shown = 0.57 between Usg sttticl dt et l. (1985) found r = 0.64 between the tke = nd tke fts th study. excluded) monoenoic nd polyenoic The nlys by the dt oleic cid, the ftty cid olive oil, to shown tht the effect the ftty cid composition the diet on the plsm by the AChol. = 2.7AS - AChol. s mg.dl-l, nd AS nd the chnges the content content s ssocited with n mount mixed ftty cids the diet n to 1 % 2.7 mg.dl-1 totl A 1.r to the ddition ' ftty hs long been known tht the biochemicl lesion consts the deposit the the decdes, it hs shown tht cidence dese hve close the men old showed = 0.89, with the men plsm totl s one The effect monoenoic ftty cids such s oleic cid, the m component olive oil, does not becuse the exchnge oleic cid n mount ny státticlly mount simultneous n mount cid plsm 2.7 elimtion the effect the follows wy the eqution tht the most effective options

4 CIHEAM - Options Mediterrneennes 151 diets contg by n two Chol.) will to those cused few it hs tht the by the low by the high density on the low which 60 % the totl by the shows equl levels hve low level et l., with to the development nd to should im to The both s shown by my nlys eight well documented publictions between 1975 nd new the effect on plsm mong the two A no Two its monoenoic ftty cids, such s olive oil, do the be oils, with oil. ws the sme ftty cids tke (s 9.9 % the oil nd 15.2 % the olive ftty cids % the oil 3.3 % the olive oil. The net chnge ftty cid tke gog monoenoic ftty cids equivlent to 5.3 % totl tke, with the tke to 6.4 % chnges oleic nd loleic cids. the two diets (198 mg.dl-1). showed 35.5 mg.dl-1 with the to 48 mg.dl-1 with the olive oil diet. As 19 to 24 %. The second ws by oil loleic cid (72.8% totl ftty cids), the oleic (73.4 % totl ftty cids). oil. s the sole ft 40 % 224 mg.dl the oleic cid 191 loleic cid ws 38 mg.dl-1 the oleic cid diet nd 35 the loleic cid sttticl significnce. should be noted subjects the mong the subjects. These nd the fct tht the sted the usul diet, pose some we by who six months on. dily ddition 45 g hd the sme diet with n ddition 45 g olive tht olive oil s effective s the with the dvntge i

5 CIHEAM - Options Mediterrneennes 152 wepon it the fight olive oil my be oils". low olive oil ddition, s lso mentioned by unlikely tht olive oil, becuse it its chemicl loleic cid. At the sme time, s noted t the begng, the loleic cid content olive oil essentil ftty cids deficiency dividuls usg th oil s the m diet ft.