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Monascus ruber의 액체배양을 통한 색소 생산 및 고체발효를 통한 홍국쌀의 monacolin K 생산 특성
박윤제(Youn-Je Park) 한국생물공학회 2013 KSBB Journal Vol.28 No.6
The growth characteristics and production of color pigments by Monascus strains were investigated during liquid culture, and production of monacolin K in red mold rice was carried out by solid state fermentation. Four different Monascus ruber strains were cultured in potato dextrose yeast extract broth (PDYB) media at 25℃ for 15 days. The high producing strain for red pigment was not corresponded to the strain for yellow pigment. Production of red pigment was high in the strain causing the fast pH change in culture broth. Production of monacolin K in red mold rice by solid state fermentation was influenced by a combination of wet cell weight and spore density in inoculum by liquid culture. Most strains showed the high production of monacolin K in red mold rice, when submerged fermentation was carried out for 5 days as inoculum for solid state fermentation. These results suggest that submerged fermentation period of inoculum have an effect on the production of monacolin K in red mold rice by solid state fermentation, and monacolin K in red mold rice could be increased by controlling the condition of submerged fermentation for inoculum.
야채수프의 CT26 암세포에 대한 항암 및 면역 증강 효과
임현정,박상민,전형광,류기형,박윤제,Lim, Hyun Jung,Park, Sang Min,Jun, Hyeong-Kwang,Ryu, Gi-Hyung,Park, Youn-Je 한국식생활문화학회 2017 韓國食生活文化學會誌 Vol.32 No.5
Vegetable soup has been reported to have anti-inflammatory, anti-oxidative and anti-cancer effects. In this study, five kinds of vegetable soup were developed using a new manufacturing process and compositional changes in raw material, and anti-cancer and immuno-stimulatory activities were evaluated. Cytotoxicity tests based on MTT assay revealed that all vegetable soups had strong inhibitory effects against CT26 mouse colon cancer cells, with soups including Solomon's seal being most effective based on comparison of $IC_{50}$ values. Apoptosis in response to vegetable soup was occurred by 3-5 fold on cancer cells compared to normal cells. Mouse splenocytes increased by 266-541% in response to addition of vegetable soup in an in vitro proliferation experiment. In co-culture with splenocytes and CT26 cancer cells, splenocytes increased by more than 280% in every vegetable soup treatment, while cancer cells decreased by about 60% and cytokines such as $IFN- {\gamma}$ and IL-12 were secreted from splenocytes in high levels only in response to vegetable soup including Solomon's seal. In conclusion, all vegetable soups developed in this study had anti-cancer effects, and vegetable soup including Solomon's seal showed the strongest anti-cancer and immuno-stimulatory effects. These results suggest that functionality of vegetable soup could be increased by changes in manufacturing processes and raw materials composition.
구절초(Chrysanthemum zawadskii var. latilobum)에서 분리된 다당류의 대식세포 면역조절 활성
성낙윤,박우용,김이은,조은지,김미환,류기형,변의홍,박윤제,Sung, Nak-Yun,Park, Yoo-Young,Kim, Yi-Eun,Cho, Eun-Ji,Kim, Mi-Hwan,Ryu, Gi-Hyung,Byun, Eui-Hong,Park, Youn-Je 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.3
본 연구는 전통약재로 주로 사용되는 구절초에서 분리한 다당류(CZPS)가 선천 및 적응면역에서 중추적인 역할을 수행하는 대식세포의 활성화에 미치는 영향에 관하여 관찰하였다. 구절초에서 분리한 다당류를 마우스 유래 대식세포주인 RAW 264.7 cell에 처리하였을 때, iNOS의 발현을 조절하여 NO의 생성이 증가되었으며, 또한 면역활성 물질인 TNF-${\alpha}$, IL-$1{\beta}$ 및 IL-6 등의 cytokine의 분비능이 증가되었으며, 이러한 면역활성 매개자인 NO 및 cytokine의 증가의 원인에 관한 정확한 면역세포내 신호전달에 관하여 알아본 결과, CZPS 처리는 MAPKs(ERK, p38)의 인산화를 촉진시키며, 이로 인한 전사인자인 NF-${\kappa}B$의 인산화를 증가시켜, 대식세포의 활성화를 유도시키는 것으로 관찰되었다. Macrophages play a pivotal role in the innate and adaptive immune systems. This study investigated the immuno-modulatory activities of polysaccharides separated from Chrysanthemum zawadskii var. latilobum (CZPS) in macrophages. Polysaccharides from Chrysanthemum zawadskii var. latilobum were extracted by the ethanol precipitation method. RAW 264.7 mouse macrophage cell line was treated with CZPS (4 to $128{\mu}g/mL$), and there was no cytotoxicity at a dose below $32{\mu}g/mL$. The levels of nitric oxide (NO) and pro-inflammatory cytokines (tumor necrosis factor (TNF)-${\alpha}$ and interleukin (IL)-6, IL-$1{\beta}$) production in the CZPS treated group ($32{\mu}g/mL$) were $6.5{\pm}0.12{\mu}m$ (NO), $1252.8{\pm}79.85$ (TNF-${\alpha}$), $305.4{\pm}29.41$ (IL-6), and $683.3{\pm}59.71$ (IL-$1{\beta}$), respectively, and they were significantly increased when compared to the control group; $2.2{\pm}0.03{\mu}m$ (NO), $452.3{\pm}38.34$ (TNF-${\alpha}$), $31.7{\pm}5.75$ (IL-6), and $184.1{\pm}11.52$ (IL-$1{\beta}$). Additionally, protein expression of inducible nitric oxide synthase (iNOS) and phosphorylation of MAPKs and NF-${\kappa}B$ expression were significantly increased upon CZPS treatment. Therefore, these results indicated that polysaccharides separated from Chrysanthemum zawadskii var. latilobum (CZPS) may have a potential immunomodulatory activity in macrophages through MAPKs and NF-${\kappa}B$ signaling, and this information is useful for the development of immune enhancing adjuvant materials using a natural ingredient.
고체평판배지에서의 홍국균의 배양, monacolin K 및 색소생산 특성
김경선 ( Kyung Sun Kim ),안준배 ( Jun Bae Ahn ),김창섭 ( Chang Sup Kim ),박윤제 ( Youn Je Park ) 한국산업식품공학회 2012 산업 식품공학 Vol.16 No.4
The production of color pigments and monacolin K by Monascus strains were investigated on agar plates while monitoring cell growth patterns. Thirty five different strains were collected and cultured on potato dextrose yeast extract agar (PDYA), potato dextrose agar (PDA) and malt extract agar medea (MEA) at two different incubation temperature conditions, 25oC and 30oC. The growth rates of most of strains were highest on PDYA medium, and hyphal growth was faster at 30oC than at 25oC. Both red and yellow pigments were highly produced by high pigment-producing strains on agar plate cultures. High pigment-producing strains produced less amount of monacolin K while low pigment-producing strains produced much more monacolin K. Any citrinin was not detected from the monacolin K-producing strains. These results imply that the selection of low pigment-producing strains cultured on agar plates could be applied for primary screening of Monascus strains for preparation of red mold rice.
액체배양에서의 홍국균의 생장, 색소 및 monacolin K 생산 특성
서진원(Jin-Won Seo),김창섭(Chang Sup Kim),서은정(Eun Jeong Seo),전체옥(Che Ok Jeon),최형균(Hyung-Kyoon Choi),박윤제(Youn-Je Park) 한국생물공학회 2012 KSBB Journal Vol.27 No.5
The hyphal growth, production of color pigments and monacolin K by Monascus strains were investigated in liquid medium. Thirty five different strains were collected and cultured in potato dextrose yeast extract broth (PDYB), potato dextrose broth (PDB) and malt extract broth (MEB) medea at 25℃ for 7 days. The growth rates of most of strains were highest in PDYB medium. Growth rate as well as pigment production were influenced by suspension conditions of mycelia during liquid cultivation. Most of strains producing monacolin K corresponded to strains producing red pigment highly and showing more pH changes of liquid media. Monacolin K produced from strains was detected in culture broth as well as mycelia. Any citrinin was not detected in monacolin K producing strains. These results imply that the selection of the strains producing red pigment highly and showing more pH changes in liquid cultivation could be applied for primary screening of Monascus strains for preparation of red mold rice.
구절초의 추출조건에 따른 Linarin 함량과 In Vitro 생리활성 변화
김양지(Yang-Ji Kim),김성은(Seong-Eun Kim),이학성(Hak Sung Lee),홍수영(Su-Young Hong),김성은(Sung-Eun Kim),김영준(Young Jun Kim),이진협(Jin Hyup Lee),박성진(Sung Jin Park),김준호(Jun Ho Kim),박윤제(Youn-Je Park),김현규(Hyun-Kyu Kim) 한국식품영양과학회 2016 한국식품영양과학회지 Vol.45 No.10
본 연구에서는 구절초를 대상으로 물과 에탄올을 이용하여 확보한 각각의 추출물에 대하여 추출 수율, 폴리페놀 함량, 플라보노이드 함량, linarin 함량, ABTS 라디칼 소거능과 DPPH 라디칼 소거능, α-glucosidase 저해 활성, lipase 저해 활성을 측정하였다. 구절초는 70°C, 50% 주정 추출조건에서 추출 수율과 총플라보노이드 함량, linarin 함량, ABTS 라디칼 소거능과 DPPH 라디칼 소거능, α-glucosidase 저해 활성, lipase 저해 활성이 가장 높았다. 또한, linarin 함량이 구절초 추출물의 생리활성과 상관관계가 있음을 확인하였다. 구절초 추출물은 linarin 함량이 증가함에 따라 항산화, 탄수화물 및 지방 흡수 지연 활성을 가지는 것으로 생각한다. 본 연구를 통하여 구절초의 추출조건에 따른 생리활성을 확인함으로써 향후 구절초를 이용한 건강기능식품의 소재 등으로 이용 가능할 것으로 생각한다. This study was designed to determine optimal extraction conditions of Chrysanthemum zawadskii (CZ) with high yield of bioactive compounds (linarin, polyphenols, and flavonoids) and improved in vitro activities. Ethanol extracts were examined at different concentrations (0, 30, 50, 70, and 95%) and temperatures (50 and 70°C). The recommended extraction conditions were 50% ethanol at 70°C for 4 h, which gave the highest yield of linarin, polyphenols, and flavonoids. This extract appeared to have the greatest ABTS and DPPH radical scavenging activities (87.81% and 51.42% at 500 μg/mL, respectively) and α-glucosidase (74.59%) and pancreatic lipase inhibitory activities (90.44%). As contents of linarin increased, antioxidative activity, inhibitory effects of carbohydrates and lipid absorption of CZ extracts increased as well. From these results, CZ extracts can be used in functional food industries.