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      • KCI등재

        떫은감의 재배지역과 품종에 따른 영양성분 특성

        변린린(Lin-Lin Bian),유수연(Su-Yeon You),박정진(Jeongjin Park),양수진(Soo Jin Yang),정현정(Hyun-Jung Chung) 한국식품영양과학회 2015 한국식품영양과학회지 Vol.44 No.3

        본 연구에서는 떫은감의 대표적인 품종인 대봉감과 반시의 일반성분 및 영양성분을 분석하고 비교하였으며, 대봉감과 반시의 재배지역별 영양성분의 특성을 살펴보았다. 다양한 영양성분은 품종에 따라 다른 함량을 나타냈는데 대봉감 품종은 불용성 식이섬유, 베타카로틴, 과당, 자당, 만니톨, 칼륨, 사과산, 호박산, 총 페놀화합물이 반시 품종에 비해 유의적으로 높은 함량을 나타냈으며, 반대로 반시 품종은 수분함량, 조단백질 함량, 비타민 C, 칼슘, 망간, 주석산, 총 플라보노이드 함량이 대봉감 품종에 비해 유의적으로 높은 함량을 보였다. 재배지역에 따라 많은 성분들이 유의적인 차이를 나타냈다. 다른 지역에 비해 비교적 높은 함량을 보이는 영양성분은 A지역은 베타카로틴, 솔비톨, 만니톨, 아연, 총 페놀화합물, B지역은 조지방 함량, 리코펜, 자당, 자일리톨, 사과산, C지역은 호박산, D지역은 수분 함량, 망간, 탄닌, E지역은 조단백질 함량, 나트륨, 망간, 칼슘, 주석산, 총 플라보노이드 함량이었다. 이상의 결과로 떫은감은 품종이나 재배지역에 따라 많은 영양성분의 유의적인 차이를 나타낸다는 것을 확인하였으며 이런 차이는 떫은감을 활용한 가공제품 생산 시 고려되어야 할 사항으로 생각된다. The nutritional components of astringent persimmons according to growing region (five different regions) and cultivar (Daebong and Bansi) were analyzed. The analyzed nutritional components were proximate compositions, insoluble and soluble dietary fibers, vitamin C, carotenes (β-carotene and lycopene), free sugars (glucose, fructose, and sucrose), sugar alcohols (xylitol, sorbitol, and mannitol), minerals (Na, Mg, K, Ca, Mn, Fe, and Zn), organic acids (tartaric acid, malic acid, citric acid, and succinic acid), tannic acid, total phenolic compounds, and flavonoids. Daebong and Bansi, which are representative cultivars of astringent persimmons grown in Korea, exhibited significant differences in nutritional components. Insoluble dietary fibers, β-carotene, fructose, sucrose, mannitol, potassium, malic acid, succinic acid, and total phenolic compounds were present at higher levels in Daebong as compared to Bansi. On the other hand, Bansi was rich in moisture, crude protein, vitamin C, Ca, Mn, tartaric acid, and flavonoids. Nutritional components were highly influenced by growing region. Daebong grown in region A was greater in β-carotene, sorbitol, mannitol, zinc, and total phenolic compounds among the all other tested persimmons grown in five different regions. The crude protein, Na, Ca, Mn, tartaric acid, and flavonoids were highest in Bansi grown in E region.

      • SCOPUSKCI등재
      • KCI등재

        Non-thermal plasma enhances rice seed germination, seedling development, and root growth under low-temperature stress

        Bian Jing-Yang,Guo Xiao-Yu,Lee Dong Hun,Sun Xing-Rong,Liu Lin-Shuai,Shao Kai,Liu Kai,Sun Hu-Nan,Kwon Taeho 한국응용생명화학회 2024 Applied Biological Chemistry (Appl Biol Chem) Vol.67 No.-

        Recently, non-thermal plasma (NTP) technologies have found widespread application across diverse fields, including plant growth, medical science, and biological and environmental research. Rice (Oryza sativa L.) is exceptionally sensitive to temperature changes. Notably, low-temperature stress primarily affects the germination and reproductive stages of rice, often leading to reduced crop yield. This study aimed to identify optimal conditions for enhancing rice seed germination and seedling growth under low temperatures using NTP technology. Our research indicated that NTP treatment at 15.0 kV for 30 s optimally promotes rice seed germination and growth under low-temperature stress. Furthermore, NTP treatment increases the activity and expression of antioxidant enzymes, such as superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD), under low-temperature conditions. Moreover, it downregulates the expression of β-ketoacyl-[acyl carrier protein] synthase I (KASI) and cis-epoxy carotenoid dioxygenase 3 (NCED3) and upregulates the expression of alternative oxidase (AOX1B), BREVIS RADIX-like homologous gene (BRXL2), WRKY transcription factor 29 (WRKY29), and EREBP transcription factor 2 (EREBP2) in roots after tandem 7 days lowtemperature (16 ℃) and 7 days room-temperature (28 ℃) treatments. Transcriptomic analysis revealed the involvement of various key genes in phosphotransferase activity, phosphate-containing compound metabolic processes, and defense responses. These analyses provide comprehensive information on gene expression at the transcriptional level, offering new insights for a deeper understanding of candidate genes required for root growth in rice.

      • KCI등재

        Chronic Kidney Disease and Associated Cardiovascular Risk Factors in Chinese with Type 2 Diabetes

        Qing-Lin Lou,Xiao-Jun Ouyang,Liu-Bao Gu,Yong-Zhen Mo,Ronald Ma,Jennifer Nan,Alice Kong,Wing-Yee So,Gary Ko,Juliana Chan,Chun-Chung Chow,Rong-Wen Bian 대한당뇨병학회 2012 Diabetes and Metabolism Journal Vol.36 No.6

        Background: To determine the frequency of chronic kidney disease (CKD) and its associated risk factors in Chinese type 2 diabetic patients, we conducted a cross-sectional study in Nanjing, China, in the period between January 2008 and December 2009. Methods: Patients with type 2 diabetes under the care by Jiangsu Province Official Hospital, Nanjing, China were invited for assessment. CKD was defined as the presence of albuminuria or estimated glomerular filtration rate <60 mL/min/1.73 m2. Albuminuria was defined as urinary albumin-to-creatinine ratio ≥30 mg/g. Results: We recruited 1,521 urban Chinese patients with type 2 diabetes (mean age, 63.9±12.0 years). The frequency of CKD and albuminuria was 31.0% and 28.9%, respectively. After adjusted by age and sex, hypertension, anemia and duration of diabetes were significantly associated with CKD with odds ratio (95% confidence interval) being 1.93 (1.28 to 2.93), 1.70 (1.09 to 2.64), and 1.03 (1.00 to 1.06), respectively. Conclusion: In conclusion, CKD was common in the urban Nanjing Chinese with type 2 diabetes. Strategies to prevent or delay progression of kidney disease in diabetes should be carried out at the early disease course of type 2 diabetes.

      • KCI등재

        Preparation of silver Nano-Crystal patterns in oxide glasses under electric field accompanied by heat treatment

        Jian Lin,Wen-Hai Huang,Shu-Hua Lei,Chang-Cheng Liu,Qi Bian,Li-Na Ma,Dong-Wei Li 한양대학교 세라믹연구소 2008 Journal of Ceramic Processing Research Vol.9 No.4

        Nano-crystals embedded in glass always have interesting quantum effects, while nano-crystal patterns may have wide potential applications in preparing PIC, OEIC and other types of electronic and optoelectronic devices. A direct current electric field, accompanied by heat treatment, was applied on tellurite or silicate glass sheets. The silver ions in a diffused film were introduced into the glass matrix under a high-voltage electric field, instead of supplied during glass melting. The direct diffusion of metal ions, the nucleation and crystallization of nano-crystals in the glass were well controlled by the electric field accompanied by heat treatment. It was found that silver nano-crystal patterns can be transfer printed into tellurite and silicate glass sheets with both patterned diffusion and patterned crystallization. Nano-crystals embedded in glass always have interesting quantum effects, while nano-crystal patterns may have wide potential applications in preparing PIC, OEIC and other types of electronic and optoelectronic devices. A direct current electric field, accompanied by heat treatment, was applied on tellurite or silicate glass sheets. The silver ions in a diffused film were introduced into the glass matrix under a high-voltage electric field, instead of supplied during glass melting. The direct diffusion of metal ions, the nucleation and crystallization of nano-crystals in the glass were well controlled by the electric field accompanied by heat treatment. It was found that silver nano-crystal patterns can be transfer printed into tellurite and silicate glass sheets with both patterned diffusion and patterned crystallization.

      • KCI등재
      • Curdione Inhibits Proliferation of MCF-7 Cells by Inducing Apoptosis

        Li, Juan,Bian, Wei-He,Wan, Juan,Zhou, Jing,Lin, Yan,Wang, Ji-Rong,Wang, Zhao-Xia,Shen, Qun,Wang, Ke-Ming Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.22

        Background: Curdione, one of the major components of Curcuma zedoaria, has been reported to possess various biological activities. It thus might be a candidate anti-flammatory and cancer chemopreventive agent. However, the precise molecular mechanisms of action of curdione on cancer cells are still unclear. In this study, we investigated the effect of curdione on breast cancer. Materials and Methods: Xenograft nude mice were used to detect the effect of curdione on breast cancer in vivo; we also tested the effect of curdione on breast cancer in vitro by MTT, Flow cytometry, JC-I assay, and western blot. Results: Firstly, we found that curdione significantly suppressed tumor growth in a xenograft nude mouse breast tumor model in a dose-dependent manner. In addition, curdione treatment inhibited cell proliferation and induced cell apoptosis. Moreover, after curdione treatment, increase of impaired mitochondrial membrane potential occurred in a concentration dependent manner. Furthermore, the expression of apoptosis-related proteins including cleaved caspase-3, caspase-9 and Bax was increased in curdione treatment groups, while the expression of the anti-apoptotic Bcl-2 was decreased. Inhibitors of caspase-3 were used to confirm that curdione induced apoptosis. Conclusions: Overall, our observations first suggested that curdione inhibited the proliferation of breast cancer cells by inducing apoptosis. These results might provide some molecular basis for the anti-cancer activity of curdione.

      • KCI등재

        Numerical investigations on cavitating flows with thermodynamic effects in a diffuser-type centrifugal pump

        Tang Xue-lin,Bian Li-yuan,Wang Fu-jun,Li Xiao-qin,Hao Man 대한기계학회 2013 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.27 No.6

        A cavitation model with thermodynamic effects for cavitating flows in a diffuser-type centrifugal pump is developed based on the bubble two-phase flow model. The proposed cavitation model includes mass, momentum, and energy transportations according to the thermodynamic mechanism of cavitation. Numerical simulations are conducted inside the entire passage of the centrifugal pump by using the proposed cavitation model and the renormalization group-based k −ε turbulent model coupled with the energy transportation equation. By using the commercial computational fluid dynamics software FLUENT 6.3, we have shown that the predicted performance characteristics of the pump, as well as the pressure, vapor, and density distributions in the impeller, agree well with that calculated by the full cavitation model. Simulation results show that cavitation initially occurs slightly behind the inlet of the blade suction surface, i.e., the area with maximum vapor concentration and minimum pressure. The predicted temperature field shows that the reduction in temperature restrains the growth of cavitating bubbles. Therefore, the thermodynamic effect should be treated as a necessary factor in cavitation models. Comparison results validate the efficiency and accuracy of the numerical technique in simulating cavitation flows in centrifugal pumps.

      • KCI등재

        The Phytotoxic Effects of Selenium–Mercury Interactions on Root Growth in Brassica rapa (LvLing)

        Zhi-Wei Bian,Jian Chen,Hui Li,Dan-Dan Liu,Li-Fei Yang,Yue-Lin Zhu,Wen-Li Zhu,Wei Liu,Zheng-Zheng Ying 한국원예학회 2016 Horticulture, Environment, and Biotechnology Vol.57 No.3

        Rapid industrial and agricultural development has dramatically increased the emission of selenium (Se) and mercury (Hg) into the environment. Combined soil pollution by Se and Hg poses a potential threat to crop production. However, no toxic effects of Hg–Se interactions on plants have been reported previously. In this study, we investigated the effects of Hg–Se interactions on biochemical and physiological indices in the roots of Brassica rapa (LvLing). Seedlings were treated hydroponically with solutions of mercury chloride (1 μM), sodium selenite (4 μM), or a combination of the two. Combined Hg+Se treatment significantly inhibited root growth, reduced root biomass, and enhanced reactive oxygen species (ROS) and malondialdehyde accumulation and led to a loss of plasma membrane integrity. The combined treatment increased glutathione peroxidase, glutathione S-transferase, and peroxidase activity, reduced superoxide dismutase activity, and had no effect on catalase activity. In addition, we detected increased glutathione concentrations in root tips and reduced ascorbic acid concentrations in the presence of Hg+Se relative to individual treatments with these elements. Thus, Hg–Se interactions enhanced oxidative injury, cell death, and phytotoxicity in B. rapa roots.

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