By Anna Rajzman (auth.), Francis A. Gunther (eds.)
That residues of pesticide and different "foreign" chemical compounds in foodstuffs are of shock to every person all over is abundantly attested by means of the reception accorded prior volumes of "Residue experiences" and via the fulfilling enthusiasm, sincerity, and efforts proven by means of the entire members from whom manuscripts were solicited. regardless of a lot propaganda on the contrary, there can by no means be any severe query that pest-control chemical compounds and foodstuff additive chemical compounds are necessary to enough meals creation, manufacture, advertising, and garage, but with out carrying on with surveillance and clever regulate a few of those who persist in our foodstuffs may from time to time conceivably endanger the general public health and wellbeing. making sure safety-in-use of those many chemical compounds is a dynamic problem, for validated ones are consistently being displaced by way of newly constructed ones extra appropriate to foodstuff technologists, pharma cologists, toxicologists, and altering pest-control requisites in revolutionary food-producing economies. those issues also are of actual drawback to expanding numbers of governmental organisations and legislative our bodies all over the world, for a few of these chemical compounds have ended in a couple of mishaps from unsuitable use. sufficient safety-in-use reviews of any of those chemical compounds persisting into our nutrition stuffs usually are not basic issues, they usually contain the thought of judgments of a lot of people hugely knowledgeable in numerous complicated organic, chemical, foodstuff technological, clinical, pharmacological, and toxicological disciplines.
Read or Download Residue Reviews / Ruckstands-Berichte: Residues of Pesticides and other Foreign Chemicals in Foods and Feeds / Ruckstande von Pesticiden und Anderen Fremdstoffen in Nahrungs- und Futtermitteln PDF
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Additional resources for Residue Reviews / Ruckstands-Berichte: Residues of Pesticides and other Foreign Chemicals in Foods and Feeds / Ruckstande von Pesticiden und Anderen Fremdstoffen in Nahrungs- und Futtermitteln
Sample text
La presence de biphenyle dans les pulpes des fruits dont les ecorces contiennent Ie biphenyle, semble 8tre facultative. Dans certains cas, comme par exemple dans les citrons qui ont ete soumis aun entreposage prolonge, Ie biphenyle ne fut point decelable dans les pulpes de fruits {RAJZMAN 1963 b). La localisation et la repartition du biphenyle dans la pulpe ne semblent pas avoir ete recherchees, mais comme la presence d'huiles essentielles dans les sacs jus de la plupart des agrumes semble 8tre definitivement etablie (KIRCHNER 1961), il se peut qu'une partie au moins du biphenyle, contenue dans les pulpes, soit localisee dans les gouttelettes d'huiles essentielles.
Les agrumes sont rarement consommes en entier et souvent certaines parties du fruit servent la preparation des produits destines l'alimentation humaine et animale, ou la fabrication de produits pharmaceutiques. La localisation et la repartition des residus dans Ie fruit a, du point de vue de la sante publique, une grande importance. Le biphenyle a ete recherche dans l'ecorce du fruit et ses parties essentielles: Ie flavedo (l'epicarpe), la couche ext erne coloree contenant les chromoplastes et les poches secretrices essence, et l'albedo (Ie mesocarpe), la couche interne blanche et spongieuse, et dans la partie comestible: Ie jus et la pulpe (l'endocarpe).
De biphenyle, cree, comme dans Ie cas des jus, un doute quant a l'origine du biphenyle trouve dans les pulpes. Pour etablir si Ie biphenyle penhre dans les pulpes, et si les traces d'albedo adherant a la pulpe jouent un rMe dans les quantites de biphenyle eventuellement trouvees dans les pulpes, RAJZMAN (1961 b) determine Ie biphenyle d'une part dans les pulpes soigneusement pelees, en evitant leur contamination par Ie biphenyle provenant de l'ecorce, et d'autre part, dans l'albedo preleve sur les ecorces correspondantes.