῎῎῎῎῎῎῎῎῎῎῎῎῎῎῎῎Angiotensin I-converting enzyme (ACE) inhibitory activity in surimi fermented with lactic acid bacteria (LAB) was investigated to facilitate improvements in surimi fish sausage. Arabesque greenling surimi, Besugo surimi, Alaska Pollack surimi and a mixed surimi were fermented with Lactobacillus delbrueckii subsp. lactis -*01*+ to evaluate the e#ect of ACE inhibitory activities. High ACE inhibitory activity (3*.*῍) was observed in Arabesque greenling surimi and no ACE inhibitory activity was found in Alaska Pollack surimi. A salt-soluble protein (SSP) solution of Arabesque greenling surimi was tested and the influences of fermentation temperatures and times on ACE inhibitory activity were also examined using +0 LAB strains. The resulting ACE inhibitory activity of fermented SSP solutions di#ered. Pediococcus acidilactici ID1 (inhibitory activity, .1.0῍) and Lactobacillus plantarum 0,+. (inhibitory activity, .*.0῍) displayed higher ACE inhibitory activity. The ACE inhibitory activity and amino compound quantity in fermented Arabesque greenling surimi were also investigated, and ACE inhibitory activity appeared to be induced by amino compounds degraded by inoculated LAB and indigenous bacteria.(Received Jul. +-, ,**0 ; Accepted Jan. +*, ,**1)Keywords : Lactic acid bacteria, surimi, Angiotensin I-converting enzyme
Here we examine the effects of extracts of Poria cocos mycelium fermented with freeze-dried plum powder (PPE) on the α-melanocyte stimulating hormone (α-MSH)-stimulated melanogenesis in cultured murine B16 melanoma cells (B16 cells), relative to the effects of Prunus extract. We found that an extract of Prunus fermentation showed significant inhibition of melanogenesis and tyrosinase activity with no effect on cell proliferation and was more active compared to Prunus extract alone. Furthermore, we confirmed that medium containing 3% Prunus was the optimal culture substrate for fermentation with Poria cocos. These results provide evidence that Prunus fermentation extract affects skin whiting in murine B16 melanoma cells (B16 cells). Prunus contains rutin, oxalic acid, succinic acid, and fumaric acid, which help in digestion and fatigue recovery. The rutin of Prunus mume is reported to have antioxidant and anti-inflammatory effects. Also, Prunus extract has a tyrosinase inhibitory activity for skin whiting through its antioxidant activity. Therefore, we believe the Prunus extract for Poria cocos fermentation can be provided as a potential mediator to induce skin whiting.
L. edodes is mainly produced in Korea, China, and southeast Asia, where it is reported to grow on pieces of wood and stubble, such as those of oak (Kim et al., 2003). L. edodes contains numerous nutrients, including proteins, vitamins, and minerals, as well as β-glucan, eritadenine, ergosterin,
This study was carried out to characterize the chemical components of Flammulina velutipes during storage by different packaging film application for developing export winter mushroom to south east asia area. Changes of weight and growth rate from Flammulina velutipes were the lowest in testing packaging film at 15 o C among the films. The pH changes of Flammulina velutipesg was the highest in imported packaging film at 25 o C. The changes of colors was measured by Hunter's color value, L value and yellowness (+b) were slightly decreased during storage. But the L value and yellowness (+b) were not affected by packaging films. Six organic acids were detected such as oxalic acid, lactic acid, malic acid, citric acid, acetic acid and succinic acid. The content of total organic acids were increased by storage period.
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