Fig. 4: Diagrams illustrating soybean processing and non-targeted metabolomics analysis using LC–MS. | Nature Food

Fig. 4: Diagrams illustrating soybean processing and non-targeted metabolomics analysis using LC–MS.

From: Existing food processing classifications overlook the phytochemical composition of processed plant-based protein-rich foods

Fig. 4

a, Common processing techniques used for soybeans, including the preparation of tofu, tempeh, extruded chunks, and protein concentrates or isolates. b, The non-targeted LC–MS metabolomics approach used in this study, illustrating the sample preparation, data acquisition and analysis. LC using RP and HILIC coupled with QTOF-MS with positive and negative ionizations. Figure created with BioRender.com. ESI+, electrospray ionization positive mode; ESI−, electrospray ionization negative mode.

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