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. 2024 Nov 2;24:101946. doi: 10.1016/j.fochx.2024.101946

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© 2024 The Authors

This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Fig. 4 — Combined analysis of volatile flavor substances by GC–MS and GC-IMS. Wayne diagram of volatile flavor substances (A); bar chart of volatile flavor substance types (B); PLS-DA score plot based on GC–MS (C); VIP score plot based on GC–MS (D); PLS-DA score plot based on GC-IMS (E); VIP score plot based on GC-IMS (F). CK: untreated; US: ultrasonication (250 W, 4 min, 30 °C, 40 kHz); L: inoculation with L. fermentum CGMCC 1.7434; D: inoculation with D. hansenii GDMCC 2.149; LD: inoculation with L. fermentum CGMCC 1.7434 and D. hansenii GDMCC 2.149; US-LD: inoculation with L. fermentum CGMCC 1.7434 and D. hansenii GDMCC 2.149 after ultrasonic pretreatment (250 W, 4 min, 30 °C, 40 kHz).