The invention provides
bacillus velezensis and an application thereof. The
bacillus velezensis disclosed by the invention is preserved in the China General
Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30646. According to the seed melon spice for the tobacco prepared through
fermentation of the strain, the characteristic component L-
citrulline can be efficiently enriched, and the content of several key
flavor substances including aldehydes (such as (E)-4-nonenal, (E)-2-nonenal and
nonanal) and alcohols (such as Z-3-
nonene-1-ol and 1-nonanol) is increased. Cigarette flavoring sensory evaluation shows that the spice can coordinate and fuse the original fragrance of tobacco, endows the cigarette with fresh and sweet note characteristics, effectively supplements the faint scent, the fruit fragrance and the sweet fragrance, remarkably improves the richness of the
smoke fragrance, improves the texture of the
cigarette smoke, softens and delicate the
smoke, reduces the
irritation and
dryness of the
throat, and integrally improves the smoking experience.