案例：某新食物资源样品，需进行蛋白质营养价值评定。了解蛋白质含量首先要进行检验的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30453' and id < 2460418 and id<>'2460418' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30453' and id > 2460418 and id<>'2460418' order by id asc limit 5