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Innovative Medicines & Omics                                                 Fermentation in dermatology



            action was accompanied by an increase in type I collagen   the composition moisturizes the skin, improves elasticity,
            synthesis and a decrease in matrix metalloproteinase-1   enhances skin tone, and provides antioxidant benefits.
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            activity. Moreover, FBG has skin-whitening qualities as it   Moreover, an extract of Zanthoxylum schinifolium, fermented
            inhibits tyrosinase, reduces melanogenesis, and decreases   with L. rhamnosus A6-5, showed greater antibacterial activity
            dihydroxyphenylalanine oxidation. 13               than raw extract when tested against  Propionibacterium
                                                               acnes and  Staphylococcus epidermidis. Similarly, fermented
              The flower petal extract of  Magnolia  denudate,
            fermented by Pediococcus acidilactici, exhibits antioxidant   blueberry fruit extract demonstrated antibacterial activity
                                                               against Brevibacterium linens, P. acnes, Bacillus cereus, and
            and anti-cancer properties. The concentration of the   S. epidermidis  when fermented with particular probiotic
            fermented extract is 3 times higher than its non-fermented
            counterpart. Moreover, the radical-scavenging activity   bacteria (Bacillus amyloliquefaciens and L. brevis) and yeast
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            of fermented  M. denudate against 1,1-diphenyl-2-  (Starmerella bombicola) isolated from fermented starfish.
            picryl-hydrazyl (DPPH) increased from 85.1% to 91.4%,   2.2. Production of acids through fermentation for
            depending on the duration of fermentation. 14      skin care
              Fermented organic  Oryza sativa L.  (indica rice   In the cosmetics industry, fermented acids are gaining
            bran) has emerged as a key ingredient in skincare   attention by combining innovative and traditional
            products, offering hydration, brightening, and anti-  methods to improve skincare regimens. Fermented acids
            wrinkle benefits. Its effects are comparable to Pitera – a   are produced through fermentation, breaking down
            naturally occurring byproduct of sake lees fermentation   natural  substances  into smaller,  more potent molecules.
            – but it is free from alcohol-related irritation, making   This increases the concentration of active chemicals and
            it  highly effective for  sensitive  skin. It  is fermented   improves bioavailability, allowing them to penetrate the
            in a clean, safe environment by lactic acid bacteria.   skin more deeply. Fermented acids have many advantages,
            In  terms  of  anti-oxidative  properties,  a  100.0  mg/mL   including the capability to maintain the skin’s microbiota.
            bran fermentation solution demonstrates 71.4% higher   These compounds assist in minimizing acne, reduce
            DPPH radical-scavenging activity than Vitamin C at   inflammation, and relieve skin problems such as rosacea
            the same concentration and chelate Fe  ions 79.0%   and eczema by maintaining a healthy balance of bacteria
                                              2+
            more effectively than ethylenediaminetetraacetic acid.   on the skin. Furthermore, the high antioxidant content
            Moreover, the superoxide anion-scavenging capacity of   of fermented acids shields the skin from ultraviolet (UV)
            10.0 mg/mL bran fermentation solution was 42.9% higher   rays and free radical damage. Moreover, the fermentation
            than butylated hydroxytoluene at the same dosage. The   frequently yields novel, health-promoting compounds,
            bran fermentation solution also inhibits the formation of   including vitamins, peptides, and amino acids that
            dopachrome, a melanin intermediate, in a concentration-  improve the skin’s overall appearance and health. These
            dependent manner, with higher concentrations providing   components greatly complement any skincare routine
            greater  inhibition. The IC  of the bran fermentation   since they increase moisture retention, boost collagen
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            solution and arbutin were 9.23 mg/mL and 0.52 mg/mL,   production, and improve skin texture. 19
            respectively.  Fermented unpolished black rice (FUBRS),   Hyaluronic acid (HA) is a glycosaminoglycan widely
                      15
            processed using a mixture of microbes isolated from   distributed in humans and other mammalian tissues.
            loog-pang, demonstrates superior capacity to reduce   It has numerous applications in both the medical and
            melanin concentration in melanoma cells. In addition,   cosmetic industries, however, it excels as a humectant due
            it prevents melanogenesis in other melanoma cells by   to its capacity to form viscoelastic hydrogels in aqueous
            phosphorylating AKT, ERK, and p38. The marked decline   solutions, making it an ideal ingredient as a natural
            in intracellular tyrosinase activity is in line with melanin   skincare moisturizer. The low yield of this polysaccharide
            reduction activity. The human fibroblast and melanoma   when extracted from animal sources (such as rooster
            cell lines are not cytotoxically affected by FUBRS. In   combs) was a key factor that prompted the commercial
            addition, it decreases the expression levels of tyrosinase,   release of the biotechnologically produced version. Gram-
            tyrosinase-related protein 1 (TYRP-1), TYRP-2, and   positive endotoxins and proteins present in the membrane
            microphthalmia-associated transcription factors in both   of the Streptococcus strain used to produce high molecular
            transcript and protein levels. 16
                                                               weight HA are potentially hazardous substances and must
              A fermented extract of soybean, fermented with Bacillus   be  removed  through  a  sequence  of  filtration  processes.
            bacterium and processed into a dry powder form, provides   These  laborious  purification  steps  are  avoided  by  using
            the skin with essential nutrients. By incorporating skin-  recombinant  Bacillus subtilis,  which  secretes  HA  into  a
            aging inhibitors and whitening agents as active ingredients,   fermentation medium. The medium is then sprayed and


            Volume 2 Issue 1 (2025)                         22                               doi: 10.36922/imo.5020
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