There is exact and absolute method for quantitative, qualitative and structural deterination of analytes in solution despite their molecular weights. Consider the following work. It is the most recent development of the quantitative mass spectrometry:
1. Steroids, 164 (2020) 108750
Stochastic dynamic mass spectrometric quantification of steroids in mixture — Part II
Hi Kosar Sohanian , the following recent papers might be of interest to you to represent data:
1. The effects of geographical origin and virus infection on the saffron (Crocus sativus L.) quality. Article The effects of geographical origin and virus infection on th...
2. Impact of two different dehydration methods on saffron quality, concerning the prevalence of Saffron latent virus (SaLV) in Iran. https://doi.org/10.1016/j.foodchem.2020.127786
Principal Component Analysis (PCA) is normally able to gather similar data and discriminate between different sets. We successfully did it with coffee aroma analysis using GC-MS.