• Title/Summary/Keyword: ferment

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Characteristics of Citrus By-Product Ferment Using Probiotics as Starter (Probiotics를 이용하여 발효시킨 감귤 가공부산물 발효물의 특성)

  • Moon Young-Gun;Lee Kyeong-Jun;Kim Ki-Young;Song Choon-Bok;Jeon You-Jin;Heo Moon-Soo
    • Microbiology and Biotechnology Letters
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    • v.34 no.2
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    • pp.158-165
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    • 2006
  • In this study, we investigated the biological activity of antioxidant and antibacterial activity of citrus by-product ferment. Among the six probiotic bacteria, Bacillus subtilis and Saccharomyces cerevisiae had the highest antioxidant activity. Hot water extracts from citrus by-product of ferment were screened for antibacterial activity fish pathogenic bacteria by paper disc method. Among the various hot water extracts, the Bacillus subtilis, Saccharomyces cerevisiae, Pediococcus pentosaceus, Lactobacillus rhamnosus, Lactobacillus plantarum, Enterococcus faecium showed relatively strong antibacterial activities in the order. The reducing activity on the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and $O^{2-}$ and OH radical scavenging potential were sequentially screened, in search for antioxidant activities of citrus by-product ferment.

Characteristics of Citrus By-Product Ferment Using Bacillus subtilis as Starter Extracts. (Bacillus subtilis를 이용하여 발효시킨 감귤 가공부산물 추출물의 특성)

  • Moon, Young-Gun;Lee, Kyeong-Jun;Heo, Moon-Soo
    • Microbiology and Biotechnology Letters
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    • v.35 no.2
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    • pp.142-149
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    • 2007
  • In this study, we investigated the biological activity of antioxidant and antibacterial activity of citrus by-product ferment. Hot water extracts and 80% methanol extracts from citrus byproduct of ferment were screened for antibacterial activity pathogenic bacteria by paper disc method. Among the various hot water extracts and 80% methanol extracts the Bacillus subtilis showed relatively strong antibacterial activities in the order. The reducing activity on the 1,1-diphenyl-2-picrylhydrazyl(DPPH) radical and ${\cdot}OH$ radical scavenging potential were sequentially screened, in search for antioxidant activities of citrus by-product ferment.

Isolation and Identification of Streptococcus salivarius subsp. thermophilus from Raw Milk (원유로부터 Streptococcus salivarius subsp. thermophilus의 분리 및 동정)

  • 서인영;이정준;신명수;김용재;나석환;백영진
    • Microbiology and Biotechnology Letters
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    • v.22 no.1
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    • pp.13-17
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    • 1994
  • We estabilished the procedure for isolation of Streptococcus salivarius subsp. thermophilus from raw milk. First, urease-producing lactic acid bacteria in raw milk were screened on the HY agar medium containing urea. Thereafter the urease-producing colonies were tested the ability to ferment maltose and to grow at43$\circ $C. We obtained about 400 maltose-negative colonies that grew at 43$\circ $C. No significant difference in carbohydrate fermentation test for isolated and type strains(S. salivarius subsp. thermophilus ATCC 19258 and ST-4) was found. And all of the isolated strains were able to ferment galactose. Furthermore, it was investigated that the cellular fatty acid profiles of isolated strains were similar to that of type strains. These results indicated that the isolated strains from raw milk were S. salivarius subsp. thermophilus. But when the isolated and type strains were incubated in 12% reconstituted skim milk at 43$\circ $C, the isolates produced lactic acid more slowly than the type strains.

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A Literature Study on Fermented Korean Medicinals Used in Dermatology (피부질환에 사용된 발효한약에 관한 문헌고찰)

  • Pahng, Sung-Hye
    • Korean Journal of Oriental Medicine
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    • v.17 no.3
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    • pp.53-60
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    • 2011
  • The objective of this article is to investigate the kinds of fermented Korean medicinals used to cure dermatological diseases in past Korea. The method to do this study was to search the books on the website, Knowledge of Oriental Medicine Web Service, databased and serviced by Korean Institute of Oriental Medicine. Books and related chapters were searched to find fermented medicinals. The results was as follows. According to the website search, eleven kinds of fermented medicinals could be found to cure scabies, leprosy, scrofuloderma, molluscum contagiosum and tinea capitis. The way how to ferment, the purpose of fermenting and regarding historical features could also be found.

Aureobasidium pullulans Ferment of Black Tea for Anti-oxidation, Whitening and Anti-wrinkle Effects (홍차 흑효모 발효물의 항산화, 항주름 및 미백효과)

  • Kim, Young Eun;Yeo, Min-A;Han, Jeung Hi;Lee, Jung Min;Jung, Suk Kyun;Jeong, Hyeon Ah;Kim, Seon Hwa;Lee, Ji Ean
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.43 no.3
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    • pp.265-271
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    • 2017
  • In this study, anti-oxidant, whitening and anti-aging effects were investigated the possibility of fermented black tea yeast as a functional cosmetic material. The results of Aureobasidium pullulans (A. pullulans) ferment of black tea (AFBT) were compared with black tea (BT) and A. pullulans ferment (AF). The antioxidant activity of the AFBT product showed DPPH radical scavenging ability higher than that of AF. In the intracellular ROS experiments induced by hydrogen peroxide, the AFBT showed significant decreased activity. In addition, AFBT showed tyrosinase inhibitory activity and inhibited the formation of melanin using Melan-a and B16F10 cells. Through suppression of MMP-1 expression, the AFBT showed higher anti-wrinkle activity than BT and AF. From the results of this study, it was confirmed that AFBT showed antioxidant activity and was developed as a functional cosmetic material based on whitening and anti-wrinkle efficacies.

Rheological Properties of Dough and Quality Characteristics of Bread Containing Whey Ferment Cultured by L. acidophilus KCCM 32820 and P. freudenreichii KCCM 31227 (L. acidophilus KCCM 32820과 P. freudenreichii KCCM 31227로 배양한 유청발효물을 첨가한 반죽 레올로지 및 식빵의 품질특성)

  • Lee, Jeong-Hoon;Choi, Mi-Jung;Chung, Koo-Chun;Lee, Si-Kyung
    • Food Science of Animal Resources
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    • v.32 no.6
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    • pp.803-809
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    • 2012
  • This study was carried out to evaluate the effects of whey ferment containing L. acidophilus KCCM 32820 and P. freudenreichii KCCM 31227 on the quality characteristics of white pan bread. Instrumental analysis such as alveograph, gelatinization temperature, texture analysis, retrogradation rate was determined. In an alveograph test, $P_{max}$ value in the treatment was higher than that in the control, but extensibility of dough in the control showed to be higher than in the treatment, so test dough showed more strength than the control. In terms of DSC analysis for gelatinization, temperature there were no significant differences of $T_p$ and ${\Delta}H$ between the control and the treatment. In hardness analysis by rheometer, dough containing whey ferment revealed lower values than the control. From the analysis of the organic acid contents, propionic acid was not detected in the control, however 1.13 mg/g of propionic acid was detected in the treatment. In the retrogradation analysis by DSC, the test delayed slightly compared to the control.

Effect of Lactic Acid Bacteria on the Qualities of White Pan Bread (빵의 품질에 미치는 유산균의 영향)

  • 장준형;안재법
    • The Korean Journal of Food And Nutrition
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    • v.9 no.4
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    • pp.509-515
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    • 1996
  • The effects of sour liquid ferments with lactic acid bacteria on the baking properties and qualities of White Pan Bread were studied. The mixed culture of Lactobacillus brevis and Lactobacillus plantarum had higher acid equivalents and lower pH-values than single or mixed culture of other lactic acid bacteria which had been used for traditional sour dough bread. Optimum conditions of the incubation of lactic acid bacteria, which are incubation temperature time and culture medium compositions for lactic fermentation, were also investigated to find out optimum activity for good bread making. The mixed culture of L. brevis and l. plantarum incubated for 24 hours at 3$0^{\circ}C$ had the most optimum activity for bread manufacturing process and the qualities of the products. The addition of sour liquid ferments to the sponge dough effected on fermentation activity of the sponge dough to lower the level of pH to 4.64 and to produce more total titratable acidity(TTA) of 0.545, whereas conventional sponge dough bread had 0.46% of TTA. On comparison with control bread, the bread made with sour liquid ferments was found to have better specific volume, taste, symmetry, especially, organoleptic characteristics due to lactic acid, acetic acid and amino acid produced by lactic acid bacteria. Sour dough bread with liquid ferment was considered to be more effective to the inhibition of staling during storage for 6 days at $25^{\circ}C$ and to have longer shelf-than control.

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Lactobacillus plantarum APsulloc 331261 Fermented Products as Potential Skin Microbial Modulation Cosmetic Ingredients (Lactobacillus plantarum APsulloc 331261 발효 용해물의 피부 미생물 조절 효과)

  • Kim, Hanbyul;Myoung, Kilsun;Lee, Hyun Gee;Choi, Eun-Jeong;Park, Taehun;An, Susun
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.46 no.1
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    • pp.23-29
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    • 2020
  • The skin is colonized by a large number of microorganisms with a stable composition of species. However, disease states of skin such as acne vulgaris, psoriasis, and atopic dermatitis have specific microbiome compositions that are different from those of healthy skin. The target modulation of the skin microbiome can be a potential treatment for these skin diseases. Quorum sensing (QS), a bacterial cell-cell communication system, can control the survival of bacteria and increase cell density. Also, QS affects the pathogenicity of bacteria such as biofilm formation and protease production. In this study, we confirmed anti-QS activity of Amorepacific patented ingredients, which are Lactobacillus ferment lysate (using Lactobacillus plantarum APsulloc 331261, KCCM 11179P) through bio-reporter bacterial strain Chromobacterium violaceum. The purple pigment production of C. violaceum controlled by QS was reduced 27.3% by adding 10 ㎍/mL of Lactobacillus ferment lysate (freeze dried). In addition, the Lactobacillus ferment lysate increased growth of Staphylococcus epidermidis 12% and decreased growth of Pseudomonas aeruginosa 38.5% and its biofilm formation 17.7% at a concentration of 10 ㎍/mL compared to the untreated control group. Moreover, S. epidermidis was co-cultured with the representative dermatological bacterium Staphylococcus aureus in the same genus, the growth of S. epidermidis was increased 134 % and the growth of S. aureus was decreased 13%. These results suggest that fermented lysate using Lactobacillus plantarum APsulloc 331261 may be useful as a cosmetic ingredient that can control the balance of skin microbiome.

Production of Fermented Kale Juices with Lactobacillus Strains and Nutritional Composition

  • Kim, Seong Yeong
    • Preventive Nutrition and Food Science
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    • v.22 no.3
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    • pp.231-236
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    • 2017
  • Fermented kale juices using four types of lactobacilli were produced in the present study. After 48 h of fermentation time, viable cell counts of all ferments reached an above $10^9CFU/mL$. The viability of the ferments after cold storage in the refrigerator for 4 weeks showed $10^8CFU/mL$ in all ferments. Among four types of fermented kale juices, the ferment of Lactobacillus acidophilus IFO 3025 indicated a good nutritional composition, including neutral sugar ($1,909.76{\mu}g/mL$), reducing sugar ($564.00{\mu}g/mL$, P<0.05), and protein contents ($160.06{\mu}g/mL$, P<0.05). The results of mineral composition analysis had the highest potassium value in all ferments ($854.16{\sim}895.07{\mu}g/mL$), particularly in the ferment of Lactobacillus brevis FSB-1 (P<0.001), which is necessary to sustain osmotic pressure, prevention of high blood pressure, and protein synthesis. Moreover, calcium, phosphorus, and magnesium contents related to bone health were generally sufficient in all ferments. Consequently, in this study, fermented kale juices may be suggested as a healthy fermented beverage with essential nutrients. However, the acceptability of the fermented kale juice to the Korean taste should be further investigated with a trained taste panel to determine whether inoculated fermentation could be an option for the consumers.

Investigation into the Ecological and Natural Dyeing with Medicinal Plants after Fermentation by NURUK and the Effect of Natural Additives

  • Park, Youngmi
    • Textile Coloration and Finishing
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    • v.24 no.4
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    • pp.260-269
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    • 2012
  • The aim of this study was to develop higher-value added dyeing materials with the fermentation-dyeing -mordanting system using only the natural ingredients by integrating traditional fermentation techniques with traditional dyeing technique. Nuruk, which is used mainly to ferment traditional foods, was used as a fermenting agent to ferment 5 different types of materials. Acidic burnt alum and alkaline calcium hydroxide were used as natural mordants. The dyeability checked after fermentation showed that both cotton and silk mordanted with Gardenia jasminoides did not show notable changes, and 10 days of fermentation was found to be appropriate. Sophora japonica L. performed better on cotton materials mordanted with slaked lime, and alkaline mordants were found to be more effective than acidic ones. With Rheum coreanum, a fermentation period of more than 24 days ($5^{th}$ fermentation) worked best on cotton material, showing a 5 fold increase in the K/S value after the $5^{th}$ slaked lime fermentation than with no fermentation. Rhus javanica L. was found to increase the color fastness to gentle washing and the fastness to light was found to possess 4 means that natural dyed fabric have the highest level of durability, the grade 1 the lowest level of fastness.