营销话术证据 A · 指南级
有机食品更营养、更安全
真相
Smith-Spangler 2012 (Stanford, 237 项研究): 营养成分与常规种植近乎相同; 有机认证的是生产方式, 不是营养或安全。
机制速览
关于有机与常规食品的营养差异，有两篇影响最大的系统综述，结论有所不同，值得分开理解。
来源（2）
- Smith-Spangler, C., Brandeau, M. L., Hunter, G. E., et al. (2012). Are organic foods safer or healthier than conventional alternatives? A systematic review. Annals of Internal Medicine, 157(5), 348-366. Found no strong evidence that organic foods are more nutritious; organic produce had lower pesticide-residue detection.
- Baranski, M., Srednicka-Tober, D., Volakakis, N., et al. (2014). Higher antioxidant and lower cadmium concentrations and lower incidence of pesticide residues in organically grown crops: a systematic literature review and meta-analyses. British Journal of Nutrition, 112(5), 794-811.