• 한국식품과학회지
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• 제49권1호
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• pp.104-109
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• 2017

The present study was conducted to evaluate the anti-inflammatory and anti-arthritic effects of fermented Achyranthes japonica (Miq.) Nakai extract (FAJE). The FAJE was effective in nitrogen oxide (NO) scavenging in RAW264.7 cells. In the case of experimental Sprague Dawley (SD) rats injected with monosodium iodoacetate (MIA), the levels of $TNF-{\alpha}$ and $IL-1{\beta}$ in blood increased in the osteoarthritis-induced group while decreasing in the group administered with FAJE. In addition, MMP-2 and MMP-9 in cartilage tissues increased in the osteoarthritis-induced group, but decreased in the group treated with FAJE. Cartilage examination indicated that the osteoarthritis-induced group exhibited cartilage erosion and cell degeneration, but in the FAJE administered group the tissue, conditions were recovered and cartilage proteoglycan was increased. Therefore, FAJE clearly showed anti-inflammatory effects and this suggests it is effective for recovery from osteoarthritis induced by MIA.

• Journal of Ginseng Research
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• 제47권5호
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• pp.683-683
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• 2023

• 한국식품저장유통학회지
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• 제30권2호
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• pp.287-299
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• 2023

효소 및 미생물 복합제를 사용하여 인비트로 발효 루왁커피를 제조하여 non-fermented coffee beans(NFC)과 fermented coffee beans(FC)의 커피 품질을 비교하였다. 총유리아미노산 함량은 NFC가 254.01±4.89 mg/mL, FC가 264.15±16.80 mg/mL로 FC의 함량이 다소 높은 것으로 확인되었다. 이때 NFC는 glutamic acid, γ-aminon-butyric acid 등이 높았으나, FC는 lysine, leucine, valine 등 필수아미노산의 함량이 높았다. 커피 생두의 발효과정은 sucrose의 감소와 fructose 및 glucose의 유의적인 증가를 가져왔다. 커피 추출물의 색도는 NFC에 비해 FC 시료에서 높은 명도(L)와 적색도(a) 및 황색도(b)를 보였다. 카페인 함량은 NFC 1,130.22±1.55 ㎍/mL, FC 696.94±0.04 ㎍/mL로써 발효 후 약 38%의 카페인이 감소되었다. 폴리페놀 및 클로로겐산 함량은 NFC에서 각각 2.31±0.01 mg GAE/mL와 531.81±27.32 ㎍/mL, FC에서 각각 2.03±0.07 mg GAE/mL와 264.46±2.47 ㎍/mL로 발효에 따라 떫은맛 관련 성분의 함량이 유의적으로 감소됨을 알 수 있었다. 전자코 분석에서 NFC와 FC의 휘발성 향성분의 차이가 뚜렷함이 확인되었고, methylethyl formate, 2-methyl-1, 3-cyclopentadiene, 2-chloro-2-methylbutane, 2-methylbutanal 등의 휘발성 화합물이 발효 후 높은 강도로 감지되었다. 관능 평가에서는 NFC 추출물보다 FC 추출물의 aroma, body, aftertaste, overall에서 높은 관능 평점을 보여주었다(p<0.001). 이상의 결과에서 효소 및 미생물 복합제를 사용한 커피 생두의 발효는 유효 성분들의 변화를 일으켜 커피 원두의 로스팅 과정 중 Maillard 반응을 촉진함으로써, 향미가 증가되고 카페인 함량이 감소된 인비트로 루왁 커피의 제조 가능성을 시사하였다.

• 한국식품저장유통학회지
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• 제30권6호
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• pp.1029-1042
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• 2023

본 연구는 기존에 과실주 발효 시, non-Saccharomyces 효모를 혼합 발효하여 향기성분을 증가시키는 기술을 확대하여 단독 및 혼합 발효로 제조한 탁주 술덧의 향기성분을 증가시킨 후 증류 과정을 통해 주질을 향상시킬 수 있다는 이론을 검증하고자 한 연구이다. 연구를 진행하기 전, 예상한 것처럼, 혼합 발효 증류식 소주에서 과실향을 나타내는 저분자 ester 계열의 휘발성 향기성분들의 함량이 증가하는 것이 입증되었으며, H. uvarum 계열의 효모를 사용한 경우, HU SJ69 혼합 발효구는 S. cerevisiae 단독 발효구와 비슷한 아미노산 함량을 나타냈으나, HU S6 혼합 발효구의 경우, 아미노산 함량이 감소하는 것으로 나타났다. 관능검사 결과, 휘발성 향기성분이 증가한 HU S6 혼합 발효구에서 SC NY21을 사용한 다른 증류식 소주들과 비교하여 유의적으로 큰 차이를 나타내지는 않았지만, 조금 더 높은 향미 점수를 얻은 것을 통해, 향후 non-Saccharomyces 효모의 혼합 발효를 통한 증류식 소주의 품질을 향상시킬 수 있는 기초연구로써 중요한 의미를 가진다고 판단된다. 또한, H. uvarum 계열 효모의 경우에는 국내에서는 식품 원료로 등재되지 않았기 때문에, 향후 산업적 이용을 위한 안전성 검증 등의 연구가 추가되어야 할 것으로 사료된다.

• Journal of Microbiology and Biotechnology
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• 제30권2호
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• pp.178-186
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• 2020

Licorice (Glycyrrhiza uralensis) contains several compounds that have been reported to alleviate menopausal symptoms via interacting with estrogen receptors (ERs). The compounds exist mainly in the form of glycosides, which exhibit low bioavailability and function. To bioconvert liquiritin and isoliquiritin, the major estrogenic compounds, to the corresponding deglycosylated liquiritigenin and isoliquiritigenin, respectively, licorice was fermented with Monascus, which has been demonstrated to deglycosylate other substances. The contents of liquiritigenin and isoliquiritigenin in Monascus-fermented licorice increased by 10.46-fold (from 38.03 μM to 379.75 μM) and 12.50-fold (from 5.53 μM to 69.14 μM), respectively, compared with their contents in non-fermented licorice. Monascus-fermented licorice exhibited 82.5% of the ERβ binding activity of that observed in the positive control (17 β-estradiol), whereas the non-fermented licorice exhibited 54.1% of the binding activity in an in vivo ER binding assay. The increase in the ERβ binding activity was associated with increases in liquiritigenin and isoliquiritigenin contents. Liquiritigenin acts as a selective ligand for ERβ, which alleviates menopausal symptoms with fewer side effects, such as heart disease and hypertension, compared with a ligand for ERα. In addition, Monascus-fermented licorice contained 731 mg/kg of monacolin K, one of the metabolites produced by Monascus that reduces serum cholesterol. Therefore, Monascus-fermented licorice is a promising material for the prevention and treatment of menopausal syndrome with fewer side effects.

• 한국수산과학회지
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• 제46권6호
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• pp.702-707
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• 2013

Sleep is an essential biological process of which the underlying regulatory mechanisms involve numerous anatomical structures and biochemical substances that can be compromised by stress and the immune system. Gamma aminobutyric acid (GABA) is the main inhibitory neurotransmitter of the central nervous system (CNS). It is well established that activation of $GABA_A$ receptors promotes sleep. L. brevis BJ20 fermentation of sea tangle and oysters resulted in stress reduction and sleep inducing effects. This is the first study to report that GABA has the ability to induce sleep related hormones in mice; therefore, it has potential use as a natural sleep aid. These results suggested that sea tangle and oysters fermented by L. brevis BJ20 can be used as potential agents for stress reduction and sleep promotion.

• Clinical and Experimental Reproductive Medicine
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• 제27권4호
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• pp.373-380
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• 2000

Objective: The purpose of this study was to evaluate effects of goat milk and fermented goat milk on reproductive function and stamina of male rodent. Methods: Experiment I: Male ICR mouse was divided into four groups. Group 1 none-treated control; Group 2 received saline; Group 3 received cow milk 10 ml/kg per day for 15 days; Group 4 received goat milk 10 ml/kg per day for 15 days. The cauda epididymal sperm motility and testicular sperm production were investigated. Experiment II: Male SD rat was divided into three groups. Group 1 received saline; Group 2 received goat milk 10 ml/kg per day for 28 days; Group 3 received fermented goat milk 10 ml/kg per day for 28 days. The cauda epididymal sperm motility and testicular sperm production were also investigated. The concentration of testosterone in serum at 1 and 3 weeks after treatment was determined using Immulite 2000 kit. Testes, epididymis, prostate, and seminal vesicle were weighed. Experiment III: Male ICR mouse was divided into four groups. Group 1 none-treated control; Group 2 received saline; Group 3 received goat milk 10 ml/kg per day for 4 weeks; Group 4 received fermented goat milk 10 ml/kg per day for 4 weeks. After treatment, the mouse was forced to swim to test for stamina. Results: In Experiment I, the cauda epididymal sperm motility after in vitro culture for 1 or 3 h was significantly (p<0.05) higher in cow milk and goat milk than in the control and saline. There was no significant difference in the cauda epidymal sperm motility between cow and goat milk. The testicular spermatid number was significantly (p<0.01) higher in goat milk (222.8${\times}10^6$) than in the control (108.6), saline (98.2), and cow milk (118.2). In Experiment II, the cauda epididymal sperm motility after in vitro culture for 1 h was significantly (p<0.05) higher in fermented goat milk than in saline and goat milk. There was no significant difference in the cauda epidymal sperm motility between saline and goat milk but goat milk showed slightly higher sperm motility than saline. After in vitro culture for 3 h, the cauda epididymal sperm motility was significantly (p<0.01) higher in fermented goat milk and goat milk than in saline. The testicular spermatid number was significantly (p<0.05) higher in goat milk than in saline, and significantly (p<0.01) higher in fermented goat milk than in saline. And the serum testosterone levels of rats administered with goat milk or fermented goat milk were increased but were no significant difference among three groups. Also the prostate weight was significantly (p<0.05) increased in the goat and fermented goat milk. In Experiment III, the swimming time in the goat milk and fermented goat milk groups was significantly (p<0.01) longer than in the control and saline. There was no significant difference in the swimming time between goat and fermented goat milk but the fermented goat milk showed slightly longer swimming time than the goat milk. Conclusion: The cauda epididymal sperm motility, the testicular spermatid number and stamina were improved when the mice and rats were drunk with goat milk or fermented goat milk.

• 약학회지
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• 제57권5호
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• pp.323-329
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• 2013

This study was designed to determine and compare the cognitive enhancing effect of various Codonopsis lanceolata extracts by steaming, fermentation and high hydrostatic pressure process. We prepared water extract of C. lanceolata, steamed C. lanceolata, steamed and fermented C. lanceolata and C.lanceolata by high hydrostatic pressure process and fermentation. Cognitive enhancing effect of extracts was evaluated in scopolamine-induced memory impairment mice using by passive avoidance test and Morris water maze tests. MTT assay was conducted to investigate neuroprotective effect on glutamate induced cell death in HT22 cells. Steamed and fermented C. lanceolata water extract decreased escape latency in Morris water maze test and increased the latency time of the passive avoidance test compared to other extracts. Furthermore, the steamed and fermented C. lanceolata water extract showed neuroprotective effect. These results suggest that steaming and fermentation process more improve cognitive enhancing effect of C. lanceolata than other process.

• Asian-Australasian Journal of Animal Sciences
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• 제30권10호
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• pp.1464-1470
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• 2017

Objective: This study investigated the effect of fermented biogas residue (FBR) of wheat on the performance, serum biochemical parameters, and meat quality in pigs. Methods: We selected 128 pigs (the mean initial body weight was $40.24{\pm}3.08kg$) and randomly allocated them to 4 groups (1 control group and 3 treatment groups) with 4 replicates per group and 8 pigs per pen in a randomized complete block design based on initial body weight and sex. The control group received a corn-soybean meal-based diet, the treatment group fed diets containing 5%, 10%, and 15% FBR, respectively (abbreviated as FBR5, FBR10, and FBR15, respectively). Every group received equivalent-energy and nitrogen diets. The test lasted 60 days and was divided into early and late stages. Blood and carcass samples were obtained on 60 d. Meat quality was collected from two pigs per pen. Results: During the late stage, the average daily feed intake and average daily gain of the treatment groups was greater than that of the control group (p<0.05). During the entire experiment, the average daily gain of the treatment groups was higher than that of the control group (p<0.05). Fermented biomass residue did not significantly affect serum biochemical parameters or meat quality, but did affect amino acid profiles in pork. The contents of Asp, Arg, Tyr, Phe, Leu, Thr, Ser, Lys, Pro, Ala, essential amino acids, non-essential amino acids, and total amino acids in pork of FBR5 and FBR10 were greater than those of the control group (p<0.05). Conclusion: These combined results suggest that feeding FBR could increase the average daily gain and average daily feed intake in pigs and the content of several flavor-promoting amino acids.

• 한국미생물·생명공학회지
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• 제39권3호
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• pp.259-265
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• 2011

본 연구에서는 중풍, 고혈압, 동맥경화, 염증성 피부질환에 사용되고 있으며, 다양한 질환들에서 연구되어 있는 방풍통성산을 선정하여 4가지 약재를 가미한 후 기존의 기능성 물질과 Lactobacillus 균주에 의해 생성되거나 증가된 기능성 물질을 확인하고자 하였다. 한약을 이용한 복합배양은 공시균주의 수 및 접종시기를 달리하여 여러 조합으로 수행하였다. 전자공여능 및 superoxide dismutase 유사 활성 측정을 통해 한약의 항산화 활성은 각각 31.7%와 36.3%로 나타났으며, 복합배양을 통해 발효된 한약의 항산화 활성은 각각 77% 이상, 42% 이상으로 나타나 한약보다 항산화 활성이 더 높게 나타났다. 항균 활성은 한약의 경우 모든 시험균주에 항균 활성이 나타나지 않았으나, 복합배양 된 한약의 경우에는 B. subtilis PCI 219, P. aeruginosa KCTC 2004, S. aureus subsp. aureus KCTC 1916에 항균 활성을 보였으며, 특히 여드름을 유발시키는 P. acnes KCTC 3314에 항균 활성을 보였다. RBL-2H3 세포주에서 알레르기 억제 효과를 확인한 결과 한약은 60% 알레르기 억제 효과를 보였으며, 발효한약은 57% 알레르기 억제 효과를 보였다. 발효한약은 알레르기 억제 효과와 함께 항균 활성과 항산화 활성의 증가로 인하여 알레르기 개선, 피부노화 및 병원성 미생물에 의한 피부질환의 개선에 효과가 있을 것으로 사료된다.