Root mean square errors of Cross-Validation (RMSECV) obtained by PLS model for naringin and neohesperidin were 0.677 and 0.554 respectively, and root mean square errors of prediction (RMSEP) were 0.363 and 0.264 respectively.

• 柚皮苷和新橙皮苷的内部交叉验证均方差(RMSECV)分别为0.；677和0