芦丁暴露在空气中能缓缓变为暗褐色，是由于分子中具有

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29380' and id < 2393179 and id<>'2393179' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29380' and id > 2393179 and id<>'2393179' order by id asc limit 5