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. 2022 Sep 2;53(4):2015–2025. doi: 10.1007/s42770-022-00811-4

Fig. 4.

Fig. 4

LCMS spectrum of biosurfactant produced by Bacillus sp. WD22 produced in medium with yeast extract depicting the [M + H]+ ion m/z 1026 at retention time of 5.58 min