Unverified85% confidenceFactTime unknown
粗灰分反映矿物质及杂质含量，优质主粮粗灰分通常≤8%，＞10%可能意味着骨粉、内脏等廉价原料比例过高，长期喂食增加尿路结石风险
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85%
Confidence
Long-term
Relevance
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Unverified优质纯蚓粪有机质含量应≥25%，低于15%的多为填充土掺混产品；正规检测报告应标注有机质、腐殖酸及重金属指标64% similarUnverified购买后配土直接影响成活：纯泥炭营养土板结积水易烂根，理想比例为颗粒（赤玉/火山岩/麦饭石）50-70%+泥炭30-50%；新手可直接买配好的多肉专用颗粒土63% similarUnverified多肉/仙人掌类需颗粒占比≥50%（赤玉土+火山岩+植金石），纯营养土保水过强易烂根61% similarUnverified肉桂选购要区分锡兰肉桂（真肉桂）与桂皮（中国肉桂/Cassia）——桂皮香豆素含量高（约5g/kg），大量长期食用有肝肾负担风险，做甜点烘焙优先选香豆素极低的锡兰肉桂60% similarUnverified选购时看磷脂总含量而非仅看'卵磷脂'字样，优质产品磷脂含量应≥60%，低于50%多为掺淀粉/麦芽糊精的填充料60% similar
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