Journal article

Publication year: 2023

Pages: 8083-8092

Journal: Journal of Agricultural and Food Chemistry

Volume number: 71

Issue number: 21

ISSN: 0021-8561

DOI Link: https://doi.org/10.1021/acs.jafc.3c00542

Publisher: American Chemical Society

Abstract: 

Basidiomycota are natural sources of aroma compounds. When grown in submerged cultures, the fungus Laetiporus montanus (LMO) forms a spicy and meat-like aroma. It thus represents an interesting candidate for the production of natural savory flavors. To identify the key aroma compounds of LMO grown submerged in malt extract peptone medium, the volatiles were isolated by means of automated solvent assisted flavor evaporation (aSAFE). An aroma extract dilution analysis was performed by means of gas chromatography-olfactometry coupled with a flame ionization detector (GC-FID-O). In the aSAFE extract of LMO, 24 aroma-active compounds were detected. 5-Butyl-2(5H)-furanone (FD 4096), perceived as coconut-like, was determined as the compound with the highest FD factor. (E,E)-2,4-Decadienal, (E,Z)-2,4-decadienal, and sotolon were identified as responsible key compounds for the spicy odor of the submerged cultures. Moreover, supplementation of the cultures of LMO, Laetiporus sulphureus, and Laetiporus persicinus with ¹³C-labeled thiamine hydrochloride resulted in the formation of 2-methyl-3-(methylthio)furan (MMTF), a compound with a pronounced meaty flavor. The concentrations of MMTF were further increased to 19–27 μg L^–1 by additional supplementation of the cultures with ascorbic acid. The results of this study indicate potential for the biotechnological production of a meat-like flavor by Laetiporus species.

Harvard Citation style: Yalman, S., Trapp, T., Vetter, C., Popa, F., Fraatz, M. and Zorn, H. (2023) Formation of a Meat-Like Flavor by Submerged Cultivated Laetiporus montanus, Journal of Agricultural and Food Chemistry, 71(21), pp. 8083-8092. https://doi.org/10.1021/acs.jafc.3c00542

APA Citation style: Yalman, S., Trapp, T., Vetter, C., Popa, F., Fraatz, M., & Zorn, H. (2023). Formation of a Meat-Like Flavor by Submerged Cultivated Laetiporus montanus. Journal of Agricultural and Food Chemistry. 71(21), 8083-8092. https://doi.org/10.1021/acs.jafc.3c00542