存在于新鲜大黄中，但贮存两年以上后则检测不到的成分是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29380' and id < 2393099 and id<>'2393099' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29380' and id > 2393099 and id<>'2393099' order by id asc limit 5