{"id":17733,"date":"2024-04-05T14:03:30","date_gmt":"2024-04-05T12:03:30","guid":{"rendered":"https:\/\/provisorio1000.com.br\/evolucao-do-deoxinivalenol-no-trigo-durante-o-armazenamento\/"},"modified":"2026-05-10T03:51:37","modified_gmt":"2026-05-10T01:51:37","slug":"evolucao-do-deoxinivalenol-no-trigo-durante-o-armazenamento","status":"publish","type":"post","link":"https:\/\/provisorio1000.com.br\/pt-br\/evolucao-do-deoxinivalenol-no-trigo-durante-o-armazenamento\/","title":{"rendered":"Evolu\u00e7\u00e3o do deoxinivalenol no trigo durante o armazenamento"},"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; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#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; flex_gap_desktop=&#8221;10px&#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; column_position=&#8221;default&#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; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][nectar_cta btn_style=&#8221;underline&#8221; underline_visibility=&#8221;default&#8221; heading_tag=&#8221;p&#8221; link_type=&#8221;regular&#8221; button_color=&#8221;default&#8221; text_color=&#8221;#269756&#8243; button_border_thickness=&#8221;0px&#8221; alignment=&#8221;left&#8221; alignment_tablet=&#8221;default&#8221; alignment_phone=&#8221;default&#8221; display=&#8221;inline&#8221; display_tablet=&#8221;inherit&#8221; display_phone=&#8221;inherit&#8221; icon_family=&#8221;none&#8221; link_text=&#8221;Voltar \u00e0s not\u00edcias&#8221; url=&#8221;\/mycotoxins-fr\/#news&#8221; text=&#8221;\u2190&#8221; font_size_desktop=&#8221;14px&#8221;][\/vc_column][\/vc_row][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; 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; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#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; flex_gap_desktop=&#8221;10px&#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; column_position=&#8221;default&#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; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_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; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;horizontal&#8221; column_element_direction_tablet=&#8221;horizontal&#8221; column_element_direction_phone=&#8221;horizontal&#8221; column_element_alignment=&#8221;center&#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; font_color=&#8221;#269756&#8243; 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; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][nectar_icon icon_family=&#8221;fontawesome&#8221; icon_style=&#8221;default&#8221; icon_color_type=&#8221;color_scheme&#8221; icon_color=&#8221;Extra-Color-1&#8243; icon_padding=&#8221;0px&#8221; pointer_events=&#8221;all&#8221; icon_fontawesome=&#8221;fa fa-clock-o&#8221; icon_size=&#8221;15&#8243; margin_right=&#8221;7px&#8221; margin_top=&#8221;1px&#8221;][vc_column_text][rt_reading_time label=&#8221;Tempo de leitura:&#8221; postfix=&#8221;minutes&#8221; postfix_singular=&#8221;minute&#8221;][\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;default&#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;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; flex_gap_desktop=&#8221;10px&#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;#269756&#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;]<strong>O com\u00e9rcio global de trigo e o transporte subsequente levam ao aumento do tempo de armazenamento dos gr\u00e3os, o que pode resultar em risco de contamina\u00e7\u00e3o por micotoxinas. Em seu estudo, Wang et al. simularam diferentes condi\u00e7\u00f5es de armazenamento (tempo, temperatura, umidade, n\u00edveis iniciais de micotoxinas) e avaliaram seus efeitos sobre as comunidades f\u00fangicas e a contamina\u00e7\u00e3o por micotoxinas, com foco no deoxinivalenol (DON) e em sua forma mascarada, o D3G. <\/strong>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;default&#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; flex_gap_desktop=&#8221;10px&#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]Como esperamos, independentemente das condi\u00e7\u00f5es de ativa\u00e7\u00e3o, os resultados mais prov\u00e1veis \u200b\u200bs\u00e3o que as flores t\u00edpicas do campo (Alternaria, Fusarium) sejam gradualmente substitu\u00eddas pelos fungos de ativa\u00e7\u00e3o (principalmente Aspergillus), embora o Fusarium tenha inicialmente aumentado antes de diminuir, antes de ser iniciado.<br \/>\n<strong>A contamina\u00e7\u00e3o por DON mudou consideravelmente durante o armazenamento.<\/strong> Durante o primeiro m\u00eas de armazenamento, o n\u00edvel de DON aumentou aproximadamente 14% em todas as condi\u00e7\u00f5es de armazenamento. O armazenamento prolongado teve efeitos diferentes no n\u00edvel de DON no trigo: a 25 \u00b0C, o n\u00edvel aumentou 36%, enquanto diminuiu a 30 e 35 \u00b0C. As altera\u00e7\u00f5es na umidade tamb\u00e9m acentuaram a produ\u00e7\u00e3o de DON: a umidade relativa (UR) de 12% e 15% aumentou os n\u00edveis de DON em aproximadamente 67% em compara\u00e7\u00e3o com o armazenamento a 13% de UR. O n\u00edvel de D3G apresentou forte correla\u00e7\u00e3o com o n\u00edvel de DON (sendo o D3G convertido a partir do DON) e aumentou em at\u00e9 202% sob certas condi\u00e7\u00f5es (relacionadas \u00e0 presen\u00e7a de insetos, por exemplo).[\/vc_column_text][image_with_animation image_url=&#8221;12402&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221;][vc_column_text]<em><span style=\"font-weight: 400;\">Figura: Evolu\u00e7\u00e3o do teor de deoxinivalenol (DON) no trigo armazenado sob diferentes condi\u00e7\u00f5es. <\/span><\/em><em>Adaptado de Wang et al&#8230;.<\/em>[\/vc_column_text][vc_column_text]De modo geral, o estudo indica que as condi\u00e7\u00f5es de armazenamento e os n\u00edveis iniciais de DON influenciam fortemente os g\u00eaneros de Fusarium produtores de micotoxinas e modificam os n\u00edveis de DON e D3G. Isso parece estar correlacionado com a competi\u00e7\u00e3o f\u00fangica: quanto maior a competi\u00e7\u00e3o, maior a produ\u00e7\u00e3o de DON.[\/vc_column_text][divider line_type=&#8221;Full Width Line&#8221; line_thickness=&#8221;1&#8243; divider_color=&#8221;accent-color&#8221; custom_height=&#8221;20&#8243;][vc_column_text]<i><span style=\"font-weight: 400;\">R\u00e9f\u00e9rence : <\/span><\/i><em>Wang R., Mengmeng L., Jin R., Liu Y., Guan E., Mohamed S.R., Bian K. Interactions among the composition changes in fungal communities and the main mycotoxins in simulated stored wheat grains. J Sci Food Agric 2024, 104, 373-382. <\/em><a href=\"https:\/\/doi.org\/10.1002\/jsfa.12928\"><em>https:\/\/doi.org\/10.1002\/jsfa.12928<\/em><\/a>[\/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; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#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; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221;&#8230;<\/p>\n","protected":false},"author":16,"featured_media":17734,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[],"class_list":["post-17733","post","type-post","status-publish","format-standard","has-post-thumbnail","category-myco-news-pt-br"],"_links":{"self":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts\/17733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/comments?post=17733"}],"version-history":[{"count":3,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts\/17733\/revisions"}],"predecessor-version":[{"id":17843,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts\/17733\/revisions\/17843"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/media\/17734"}],"wp:attachment":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/media?parent=17733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/categories?post=17733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/tags?post=17733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}