The quality control of the chemical composition leaves of Moringa oleifera Lam. is fundamental for the dietary treatment of diseases or for any quantitative study on human nutrition. To highlight the impact of climatic and edaphic factors on the chemical composition of Moringa oleifera Lam. leaves, a multivariate chemometric method, ANOVA (ANalysis Of Variance) Common Dimensions (AComDim) was used to interpret the changes in their Fourier Transform Infrared Attenuated Total Reflectance (FTIR-ATR) spectra. Leaves were collected from five geographical areas of Cameroon, recognized for their climatic and soil diversity. The factor “agroclimatic zone” was the most significant, followed by “month/year” (January, April and September between 2015 and 2017), “year” and “maturity” factors. Three slightly significant interactions between “year” and “agroclimatic zone” or “maturity” or “month/year” were observed. For a given agroclimatic zone, January samples were richer in polysaccharides than April samples which were characterized by a highest amount in proteins and aromatic compounds. The “maturity” factor revealed that young leaves contained fewer proteins and antioxidant compounds. The “year” factor was involved in all significant interactions and confirmed the temporal character of the studied factors. The diversity of climate and soils in Cameroon must be taken into account if a certain typicity of collected Moringa Oleifera leaves, or a constant quality may be assured before their marketing phase in powder form as a dietary supplement.

辣木叶化学成分的质量控制。是疾病饮食治疗或任何人类营养定量研究的基础。强调气候和土壤因素对辣木化学成分的影响我是。叶子，一种多元化学计量方法，方差分析（方差分析）共同维度（AComDim）用于解释其傅立叶变换红外衰减全反射（FTIR-ATR）光谱的变化。从喀麦隆的五个地理区域收集叶子，因其气候和土壤多样性而闻名。因子“农业气候带”最显着，其次是“月/年”（2015年至2017年的1月、4月和9月）、“年”和“成熟度”因子。观察到“年”和“农业气候带”或“成熟度”或“月/年”之间的三个略微显着的相互作用。对于给定的农业气候带，1 月份的样品比 4 月份的样品富含多糖，后者的特点是蛋白质和芳香族化合物的含量最高。“成熟”因素表明，幼叶含有较少的蛋白质和抗氧化化合物。“年份”因素涉及所有重要的相互作用，并证实了所研究因素的时间特征。如果收集到的某种类型的土壤具有某种典型性，则必须考虑喀麦隆气候和土壤的多样性。Moringa Oleifera叶，或者在作为膳食补充剂的粉末形式的销售阶段之前，可以保证恒定的质量。