{"id":733,"date":"2004-02-27T00:00:00","date_gmt":"2004-02-26T23:00:00","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T22:00:00","slug":"733","status":"publish","type":"post","link":"https:\/\/www.vialattea.net\/content\/733\/","title":{"rendered":"cos&#8217;\u00e8l&#8217;oleuropeina,a cosa serve,e come si estrae dalla sua pianta?"},"content":{"rendered":"<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <font face=\"Times New Roman\">L&#8217;oleuperina \u00e8 un glucoside che si estrae<br \/>\n      dalle foglie di ulivo, facendo una ricerca su un qualsiasi motore di<br \/>\n      ricerca si ottengono molti risultati, tra i quali il seguente, fra i primi<br \/>\n      ottenuti, \u00e8 piuttosto interessante <\/font><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <font face=\"Times New Roman\">Estratto da:<\/font><\/p>\n<p align=\"center\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a0<\/span><\/p>\n<p align=\"center\" class=\"MsoBodyText\"><font face=\"Times New Roman\"><br \/>\n      Relazione presentata all\u2019Incontro Tecnico-Scientifico: \u201cIl ritorno<br \/>\n      dell\u2019olivo nel Parmense\u201d, tenutosi presso l\u2019Azienda Gavinell,<br \/>\n      Salsomaggiore Terme (PR), il 27 maggio 2000<\/font><\/p>\n<p align=\"right\" style=\"text-align: left;\" class=\"MsoNormal\"><b><br \/>\n      <span style=\"font-family: Times New Roman;\">Prof. Andrea Fabbri<\/span><\/b><span style=\"font-family: Times New Roman;\"><br \/>\n      Facolt\u00e0 di Agraria, Universit\u00e0 di Parma<\/span><b><span style=\"font-family: Times New Roman;\"><br \/>\n      &#8211; Dr. Maurizio Pedrazzini<\/span><\/b><span style=\"font-family: Times New Roman;\"><br \/>\n      Erborista in Parma<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">Un lavoro di review molto<br \/>\n      accurato e solidamente documentato sulla chimica delle foglie di olivo fu<br \/>\n      effettuato negli anni &#8217;60 del secolo scorso da autori italiani (Benigni et<br \/>\n      al., 1963). Lo studio riguardava la droga foglie di olivo, e i componenti<br \/>\n      principali all&#8217;epoca individuati furono:<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">1) oleuropeina, sostanza amara<br \/>\n      di struttura b-glucosidica, che per idrolisi con b-glucosidasi libera<br \/>\n      glucosio e un aglicone di carattere O-difenolico, mentre per idrolisi<br \/>\n      acida libera una molecola di glucosio e alcool b(3.4-diossifenil)etilico,<br \/>\n      C<sub>8<\/sub>H<sub>10<\/sub>O<sub>3<\/sub>, pi\u00f9 un acido C<sub>11<\/sub>H<sub>14<\/sub>O<sub>6<\/sub>.\u00a0<br \/>\n      L&#8217;oleuropeina \u00e8 stata estratta dalle foglie fresche in quantit\u00e0 da 1,5 a<br \/>\n      2% (Panizzi et al., 1958). Secondo Shasha e Leibowitz (1961) l&#8217;oleuropeina<br \/>\n      \u00e8 un estere doppio del glucosio con l&#8217;acido protocatechico e con l&#8217;acido<br \/>\n      oleuropeico, C<sub>10<\/sub>H<sub>16<\/sub>0<sub>3<\/sub> (acido<br \/>\n      1-ossimetil-2,6-dimetilacloes-2-encarbonico-1). L&#8217;oleuropeina si pu\u00f2<br \/>\n      estrarre da olive verdi, raccolte in estate, e da foglie, fusti e radici<br \/>\n      in tutte le stagioni.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a02) un lattone insaturo, l&#8217;elenolide,\u00a0<br \/>\n      C<sub>11<\/sub>H<sub>12<\/sub>0<sub>5<\/sub>, ottenuto per distillazione<br \/>\n      sotto vuoto dei componenti acidi presenti in estratti di foglie di olivo.<br \/>\n      <\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a03) n-pentatriacontano<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a04) acido oleanolico, C<sub>30<\/sub>H<sub>48<\/sub>0<sub>3<\/sub>,<br \/>\n      in ragione del 2%-3%<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a05) omo-oleastranolo, C<sub>27<\/sub>H<sub>46<\/sub>O<sub>2<\/sub>,<br \/>\n      sostanza neutra, di struttura triterpenica.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a06) un chinone, vitamina K<sub>2<\/sub>-simile<br \/>\n      con catena laterale isoprenoide(0,02% nelle foglie secche).<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a07) acidi malico, tartarico,<br \/>\n      glicolico, lattico<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a08) glucosidi: oleoside,<br \/>\n      steroleoside<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a09) enzimi: lipasi, perossidasi,<br \/>\n      emulsina<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a010) colina (assente nelle<br \/>\n      foglie fresche secondo Panizzi et al. (1960)<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a011) tannino pirogallico<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a012) glucosio<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a013) saccarosio<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a014) mannitolo<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a015) olio essenziale<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a0Gli autori segnalavano anche<br \/>\n      (si era nel 1963) la presenza di sostanze antiossidanti, di natura chimica<br \/>\n      non identificata. Queste sostanze sono oggi ben conosciute. Citiamo a<br \/>\n      questo proposito lo studio di Benavente-Garc\u00eca et al. (1999). Secondo<br \/>\n      questi autori nelle foglie di olivo studiate sono presenti principalmente<br \/>\n      5 gruppi di composti fenolici:<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a01) oleuropeosidi (oleuropeina<br \/>\n      e verbascoside)<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a02) flavoni<br \/>\n      (luteolin-7-glucoside, apigenin-7-glucoside, diosmetin-7-glucoside,<br \/>\n      luteolina e diosmetina)<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a03) flavonoli (rutina)<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a04) flavan-3-oli (catechina)<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a05) fenoli sostituiti (tyrosolo,<br \/>\n      idrossityrosolo, vanillina, acido vanillico e acido caffeico)<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a0Il composto pi\u00f9 abbondante \u00e8<br \/>\n      l&#8217;oleuropeina, seguita da idrossityrosolo, dai flavon-7-glucosidi di<br \/>\n      luteolina e apigenina e dal verbascoside. L&#8217;idrossityrosolo \u00e8 un<br \/>\n      precursore dell&#8217;oleuropeina e il verbascoside \u00e8 un glucoside coniugato di<br \/>\n      idrossityrosolo e acido caffeico.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">I composti fenolici delle<br \/>\n      foglie di olivo presentano un comportamento sinergico nella loro capacit\u00e0<br \/>\n      di radical scavenging quando sono mescolati, cos\u00ec come si verifica nelle<br \/>\n      foglie stesse.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">La sequenza delle rispettive<br \/>\n      capacit\u00e0 radical scavenging \u00e8 (Benavente-Garc\u00eca et al.,1999):<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">rutina &gt; catechina @ luteolina<br \/>\n      &gt; olivo foglia (estratto) @ \u00eedrossityrosolo &gt; diosmetina &gt; acido caffeico<br \/>\n      &gt; verbascoside &gt; oleuropeina &gt; luteolin-7-glucoside @ acido vanillico @<br \/>\n      diosmetin-7-glucoside &gt; apigenin-7-glucoside &gt; tyrosolo &gt; vanillina.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">I flavonoidi pi\u00f9 attivi, rutina,<br \/>\n      catechina e luteolina, hanno attivit\u00e0 antiossidante quasi 2,5 volte<br \/>\n      maggiore rispetto alle vitamine C ed E, e dell&#8217;ordine del lycopene. E&#8217;<br \/>\n      inoltre significativo il fatto che le stesse foglie di olivo esplicano<br \/>\n      un&#8217;azione antiossidante superiore a quella delle vitamine C ed E, grazie<br \/>\n      alla sinergia tra flavonoidi, oleuropeosidi e fenoli sostituiti. Il<br \/>\n      comportamento sinergico di questi composti se mescolati artificialmente \u00e8<br \/>\n      analogo a quello mostrato dall&#8217;estratto di foglie di olivo con alto<br \/>\n      contenuto in oleuropeina e in questi polifenoli attivi.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">All\u2019inizio degli anni \u201890 del<br \/>\n      secolo scorso gli studi fitochimici hanno prodotto una sempre pi\u00f9 precisa<br \/>\n      identificazione della composizione del fitocomplesso delle foglie di<br \/>\n      olivo. Una buona visione d\u2019insieme si pu\u00f2 avere dalla tabella seguente (H\u00e4nsel<br \/>\n      et al., 1993):<\/span><\/p>\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-size: 10pt; font-family: Times New Roman;\">\u00a0<\/span><\/p>\n<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td width=\"612\" valign=\"top\" colspan=\"2\" style=\"border-style: solid; border-color: windowtext; border-width: 1.5pt 1.5pt 0.75pt; padding: 0pt 3.5pt; width: 459.3pt;\">\n<p align=\"center\" style=\"line-height: 150%; text-align: center;\" class=\"MsoNormal\">\n          <b><span style=\"font-size: 10pt; font-family: Verdana;\">Composti<br \/>\n          isolati da foglie di olivo<\/span><\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 0.75pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Sostanze apolari<br \/>\n          di vario tipo<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">acidi grassi (C<sub>16<\/sub>-C<sub>30<\/sub>),<br \/>\n          alcani(C<sub>21<\/sub>-C<sub>35<\/sub>), alcoli ed aldeidi a catena<br \/>\n          lunga (C<sub>28<\/sub>-C<sub>34<\/sub>)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 0.75pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Triterpeni<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">acidi oleanoico,<br \/>\n          betulinico, alfa e beta-amirina, uvaolo ed eritrodiolo<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 0.75pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Terpenoidi:<br \/>\n          iridioidi<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">oleuropeina,<br \/>\n          oleuroside, ligstroside, oleoside 7, 11-dimetilestere<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 0.75pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Fenolici: acidi<br \/>\n          fenolici<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">acidi clorogenico,<br \/>\n          trans-cinnamico, para-idrossi-benzoico, trans-para-cumarico,<br \/>\n          orto-cumarico, protocateico, ferulico e caffeico<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 0.75pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Fenolici:<br \/>\n          fenilpropanoidi<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">verbascoside<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 0.75pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Fenolici:<br \/>\n          flavonoidi<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">flavonoidi<br \/>\n          (derivati dell\u2019apigenina, della luteolina, del crisoeriolo e della<br \/>\n          quercetina)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"306\" valign=\"top\" style=\"border-style: none none solid solid; border-color: -moz-use-text-color -moz-use-text-color windowtext windowtext; border-width: medium medium 1.5pt 1.5pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">Altri fenolici<\/span><\/p>\n<\/td>\n<td width=\"306\" valign=\"top\" style=\"border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 0.75pt 0.75pt; padding: 0pt 3.5pt; width: 229.65pt;\">\n<p style=\"line-height: 150%; text-align: justify;\" class=\"MsoNormal\">\n          <span style=\"font-size: 10pt; font-family: Verdana;\">3, 4<br \/>\n          diidrossi-b-feniletanolo (detto anche idrossitirosolo, prodotto dalla<br \/>\n          degradazione dell\u2019oleuropeina)<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-size: 10pt; font-family: Verdana;\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a0Una riclassificazione del<br \/>\n      profilo biochimico delle foglie di olivo \u00e8 stata fornita recentemente<br \/>\n      anche da Rossi (1996):<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a01) Secoiridoidi (4-7%):<br \/>\n      oleoside, oleoside-11-metiletere, oleuropeina, ligstroside, excelsioside,<br \/>\n      ligustaloside B , morroniside, oleaceina<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a02) Triterpeni (2-4%) :<br \/>\n      glucosidi dell&#8217;acido oleanolico, dell&#8217;acido maslinico, eritrodiolo<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a03) Lignani:<br \/>\n      (-)-olivil-4&#8242;-glucoside, (+)-acetossipinoresinolo e derivati, cicloolivile<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a04) Flavonoidi:<br \/>\n      luteolin-4&#8242;-glucoside, luteolina, olivina, rutina, apigenina e derivati<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a05) Alcaloidi: cinconidina,<br \/>\n      cinconina<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a06) Sesquiterpeni:<br \/>\n      aromadendrene, eudesmina<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span style=\"font-family: Times New Roman;\">\u00a07) Chinoni; tannini; acidi<br \/>\n      polifenolici.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\"><b><br \/>\n      <span style=\"font-family: Times New Roman;\">BIBLIOGRAFIA<\/span><\/b><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\"><b><br \/>\n      <span style=\"font-family: Times New Roman;\">\u00a0<\/span><\/b><\/p>\n<p style=\"line-height: normal; margin-right: -4.7pt;\" class=\"Lettera2\">\n      <span style=\"font-family: Times New Roman;\">Acerbo G., 1937 &#8211; La marcia<br \/>\n      storica dell&#8217;olivo nel Mediterraneo. Atti della Societ\u00e0 per il Progresso<br \/>\n      delle Scienze, Riun. XXV, Vol. I, Fasc. 2: 1-22.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span lang=\"EN-GB\" style=\"font-family: Times New Roman;\">Aziz N. H., Farag<br \/>\n      S. E., Mousa L. A., Abo-Zaid M. A., 1998 &#8211; Comparative antibacterial and<br \/>\n      antifungal effects of some phenolic compounds. <\/span><br \/>\n      <span lang=\"FR\" style=\"font-family: Times New Roman;\">Microbios, 93: 43-54.<\/span><\/p>\n<p style=\"line-height: normal; margin-right: -4.7pt;\" class=\"Lettera2\">\n      <span lang=\"FR\" style=\"font-family: Times New Roman;\">Balansard J.,<br \/>\n      Delphaut J., 1953 &#8211; Rev. de Phytoth\u00e9r.<\/span><\/p>\n<p style=\"text-align: justify;\" class=\"MsoNormal\">\n      <span lang=\"FR\" style=\"font-family: Times New Roman;\">Benavente-Garc\u00eca O.,<br \/>\n      Castillo J., Lorente J., Ortu\u00f1o A., Del Rio J. A. 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