以下哪种食物不是锌的好的来源

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28159' and id < 2306247 and id<>'2306247' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28159' and id > 2306247 and id<>'2306247' order by id asc limit 5