Abstract
Abstract Cellulosic sugars extracted from vineyard pruning waste (VPW) were used as a low-cost carbon source for biosurfactant production by Lactobacillus paracasei. The results obtained showed that when glucose from VPW was used, the biosurfactant was a glycolipopeptide, whereas when it was replaced by lactose the biosurfactant produced was a glycoprotein. Additionally, it was found that the extraction process, either with phosphate-buffer or phosphate-buffer saline, influenced the biosurfactant chemical structure and emulsion capacity. Overall, these results highlight the possibility of producing biosurfactants “a la carte” with the same strain but changing the carbon source, increasing its potential in different industrial applications.
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