{"id":6457,"date":"2022-01-22T10:52:32","date_gmt":"2022-01-22T10:52:32","guid":{"rendered":"https:\/\/olmix.com\/?p=6457"},"modified":"2025-01-14T15:11:57","modified_gmt":"2025-01-14T14:11:57","slug":"mycoscreen-overview-global-em-materias-primas-2021","status":"publish","type":"post","link":"https:\/\/mycokingdom.net\/pt-pt\/mycoscreen-overview-global-em-materias-primas-2021\/","title":{"rendered":"Myco&#8217;Screen Overview Global em mat\u00e9rias-primas 2021"},"content":{"rendered":"[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;2%&#8221; constrain_group_4=&#8221;yes&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; 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column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;2%&#8221; constrain_group_1=&#8221;yes&#8221; bottom_padding=&#8221;2%&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;padding-2-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;left&#8221; left_margin=&#8221;7px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;advanced&#8221; border_left_desktop=&#8221;1&#8243; column_border_color=&#8221;#007797&#8243; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_column_text el_class=&#8221;med&#8221;]Uma das etapas mais importantes na gest\u00e3o das micotoxinas \u00e9 a avalia\u00e7\u00e3o das micotoxinas nas mat\u00e9rias-primas e nas ra\u00e7\u00f5es finais. Por esta raz\u00e3o, a Olmix criou o programa Myco&#8217;Screen Overview que visa colaborar com laborat\u00f3rios independentes em todo o[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; column_margin=&#8221;50px&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;2%&#8221; constrain_group_1=&#8221;yes&#8221; bottom_padding=&#8221;2%&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text]mundo. Assim, a Olmix estabeleceu uma parceria a longo prazo com Labocea, um laborat\u00f3rio franc\u00eas independente. Este laborat\u00f3rio realiza an\u00e1lises de micotoxinas com per\u00edcia cient\u00edfica em cromatografia l\u00edquida em simult\u00e2neo com espectrometria de massa, permitindo a detec\u00e7\u00e3o de mais de 45 micotoxinas por amostra testada. Todas as an\u00e1lises s\u00e3o recolhidas numa base de dados composta por cerca de 15 000 amostras at\u00e9 \u00e0 data, recolhidas em todo o mundo entre 2013 e 2021.<\/p>\n<p>Esta base de dados mostra que as principais micotoxinas a n\u00edvel mundial continuam a ser o deoxinivalenol (DON), a zearalenona (ZEN), as fumonisinas (FUM) e, dependendo da regi\u00e3o, as aflatoxinas (AFLA). Al\u00e9m disso, 94% das amostras da base de dados cont\u00eam 2 ou mais micotoxinas simultaneamente e 75% das amostras cont\u00eam mais de 6 micotoxinas, indicando que a policontamina\u00e7\u00e3o \u00e9 comum.[\/vc_column_text][vc_column_text]\n<h2>Milho<\/h2>\n<p>O milho \u00e9 a mat\u00e9ria-prima mais frequentemente contaminada, estando 99% das amostras policontaminadas (n=3200). A micotoxina mais frequente nos produtos de milho \u00e9 o DON: 92% das amostras estavam contaminadas a um n\u00edvel m\u00e9dio significativo de 755 ppb. Os laborat\u00f3rios Labocea analisam um perfil completo de micotoxinas, e quantificam, para al\u00e9m do DON, tamb\u00e9m as suas formas acetiladas, como a 15-O-AcetylDON, e outros tricotecenos como o nivalenol. Estas micotoxinas s\u00e3o menos conhecidas, mas frequentemente encontradas e s\u00e3o consideradas ainda mais t\u00f3xicas do que o DON. 82% das amostras de material de milho \u00e9 positivo para 15-O-AcetylDON e 60% para o nivalenol, que s\u00e3o micotoxinas duas vezes mais t\u00f3xicas do que o DON. A soma dos tricotecenos \u00e9 expressa num equivalente de DON (DONeq), que expressa o DON e as suas formas relacionadas, incluindo a sua toxicidade relativa num \u00fanico n\u00famero. 94% dos alimentos derivados de milho e milho s\u00e3o positivos para DONeq com um valor mediano de 1405 ppb, considerado de alto risco para os animais.<\/p>\n<p>As amostras de mat\u00e9ria-prima de milho tamb\u00e9m mostraram a ocorr\u00eancia de ZEA e FUM em 79% e 78% das amostras, respectivamente. Globalmente, os n\u00edveis m\u00e9dios dessas micotoxinas situam-se dentro de n\u00edveis seguros. Contudo, as amostras origin\u00e1rias de regi\u00f5es com climas quentes mostraram um aumento da ocorr\u00eancia de FUM para 96% com uma contamina\u00e7\u00e3o mediana significativa de 1100 ppb. Da mesma forma, a ocorr\u00eancia de AFB1 em amostras provenientes dessas regi\u00f5es aumentou de 6% de amostras positivas para 31%, com a contamina\u00e7\u00e3o mediana a aumentar para um n\u00edvel significativo de 11 ppb.<\/p>\n<h2>Cereais<\/h2>\n<p>Os cereais como o trigo e a cevada, s\u00e3o uma das principais fontes de DON e seus derivados. Dado que as culturas s\u00e3o cultivadas em climas mais temperados, encontra-se menos FUM e AFLA. De quase 2 000 amostras de cereais, 85% continham DON e 93%, DONeq. No entanto, apenas em 1% e 13% das amostras se detetou AFLA e FUM. Outras micotoxinas frequentemente encontradas nos cereais s\u00e3o alcal\u00f3ides do ergot, presentes em 29% das amostras (105 ppb).<\/p>\n<h2>Sementes oleaginosas<\/h2>\n<p>As sementes oleaginosas, como a soja ou a colza, s\u00e3o de menor import\u00e2ncia tendo em conta a contamina\u00e7\u00e3o por micotoxinas. Em soja e materiais derivados de soja foram detectadas em 40%, 29%, e 59% das amostras (n=173), DON, ZEA, e FUM, respectivamente. 99% destas amostras cont\u00eam n\u00edveis das micotoxinas mencionadas dentro dos n\u00edveis seguros, raz\u00e3o pela qual o risco de contamina\u00e7\u00e3o dos gr\u00e3os de soja seja \u00e9 baixo. Da mesma forma, os materiais derivados da colza e da colza tamb\u00e9m cont\u00eam um risco relativamente baixo de micotoxinas. A partir das amostras de colza, dentro da base de dados da Olmix, h\u00e1 uma ocorr\u00eancia de DON apenas em 9% das amostras, 21% para a FUM e 3% para a ZEA. Todas as amostras encontram-se dentro dos n\u00edveis de seguran\u00e7a. Assim, o risco de sementes oleaginosas \u00e9 de menor import\u00e2ncia em compara\u00e7\u00e3o com o milho ou os cereais.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;2%&#8221; constrain_group_4=&#8221;yes&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221;&#8230;<\/p>\n","protected":false},"author":16,"featured_media":16717,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":{"0":"post-6457","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-myco-news-2"},"_links":{"self":[{"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/posts\/6457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/comments?post=6457"}],"version-history":[{"count":2,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/posts\/6457\/revisions"}],"predecessor-version":[{"id":16722,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/posts\/6457\/revisions\/16722"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/media\/16717"}],"wp:attachment":[{"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/media?parent=6457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/categories?post=6457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mycokingdom.net\/pt-pt\/wp-json\/wp\/v2\/tags?post=6457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}