검색
검색 팝업 닫기

Ex) Article Title, Author, Keywords

JKFN Journal of the Korean Society of Food Science and Nutrition



Online ISSN 2288-5978

Current Issue

home All Articles Current Issue
  • Article l 2022-11-30

    Antiobesity Effect of Dead Lactobacillus plantarum nF1 on High-Fat Diet-Induced C57BL/6 Mice

    Xuemei Lee , Geun-Hye Hong , So-Young Lee , Hyun Chul Noh, and Kun-Young Park

    The anti-obesity effects of dead Lactobacillus plantarum nF1 (nLp), live Lactobacillus plantarum pF1 (pLp), or live Lactobacillus plantarum PNU (PNU) were studied on C57BL/6 mice fed a 45% high-fat diet. The body, liver, and epididymal fat weights of mice fed nLp were significantly lower than those of mice in the pLp, PNU, or control groups (P<0.05). Serum triglyceride, total cholesterol, glucose, and insulin levels were significantly lower in the nLp, pLp, or PNU groups than in control, and these levels were significantly lower in the nLp group than in the pLp and PNU groups (P<0.05). On the other hand, adiponectin and HDL-cholesterol levels were significantly higher in the nLp group than in the pLp, PNU, and control groups. Histological observations indicated that nLp reduced fat accumulation in liver tissue. Furthermore, L. plantarum strains significantly reduced the mRNA expressions of SREBP-1c, increased the mRNA levels of PPAR-α, CPT-1, and ACO in liver tissues, and significantly increased the mRNA levels of PPAR-α, and CPT-1 in epididymal fat tissues. In particular, the mRNA expressions of PPAR-α and CPT-1 in liver and epididymal fat tissues were highest in the nLp group. These results suggest that nLp (dead L. plantarum) has a greater anti-obesity effect on high-fat diet-induced mice than the live strain (pLp) and a live L. plantarum PNU strain.Key words : Lactobacillus plantarum nF1, anti-obesity, high-fat diet, C57BL/6 mice

  • Article l 2022-11-30

    Inhibitory Effects of Cheonggukjang Mucoid on 3T3-L1 Adipocyte Differentiation

    Ki-Hyo Jang , Min-Ah Kim, Ha Gyoon Na, SangGuan You, Ji-Eun Kim, and Mi-Ja Kim

    Cheonggukjang mucoid is typically composed of levan and polygamma glutamate (γ-PGA). In this study, we investigated the effect of levan and γ-PGA isolated from Cheonggukjang on the differentiation of 3T3-L1 preadipocytes. At 200 μg/mL PL 64 [γ-PGA : levan (6:4)] significantly inhibited triglyceride accumulation in adipocytes by 23.7% compared to untreated adipocytes (PKey words : adipogenesis, antiobesity, Cheonggukjang, mucoid

  • This study examined the distribution of subjects in three groups, namely normal (0), caution (1∼2), and metabolic syndrome (MS) (≥3), based on the number of diagnostic criteria of metabolic syndrome. The data was sourced from the eighth (2019) Korea National Health and Nutrition Examination Survey (KNHANES). Elevated blood pressure occurred most frequently in caution group and three-combined cases were the most frequent in MS group. In males, older subjects and those with lower education levels were in higher numbers in MS group. Higher frequencies of eating breakfast and eating out decreased the probability of being in MS group, and smoking increased this probability in total. Males consuming alcohol more than five times per month showed the highest probability of belonging to MS group, but in females, this was true of those drinking less than once a month. An increase in body mass index and a higher waist circumference increased the probability of being in MS group in both males and females. Subjects with higher blood pressure, blood glucose, and triglyceride, and lower HDL-cholesterol showed a higher probability of being in MS group. The intake of vegetables was the highest in MS group for both males and females and that of fruits was the highest for females in caution group. The intakes of meats and beverages were the lowest in MS group. In conclusion, health behavior and food intake are related to MS and therefore the improvement in these behaviors is needed to reduce the risk of MS.Key words : diagnosing criteria of metabolic syndrome, obesity, food intake, breakfast, eating out

  • Article l 2022-11-30

    Anti-Osteoarthritis Effect of Schisandra chinensis (Turcz.) Baillon Ethanol Extract on H2O2 or LPS-Stimulated Primary Chondrocytes

    Dakyung Kim , Minhee Lee , Su Shin , Eun-Jin Hong , Ki-Young Kim , Sung-Goo Kim , and Jeongmin Lee

    Osteoarthritis is a chronic disease characterized by cartilage and progressive degradation pain. Schisandra chinensis (Turcz.) Baillon is Asian used in traditional medicine to treat heart disease, insomnia, skin irritation, rheumatoid arthritis, cough, and dyspnea. The inhibitory effect of a Schisandra chinensis (Turcz.) Baillon ethanol extract (SB) on osteoarthritis was investigated in primary cultured rat cartilage cells. The pro-inflammatory cytokines (IL-1β, IL-6, TNF-α), PGE2, and NO were measured by ELISA. The anabolic (aggrecan, collagen type Ⅰ, Ⅱ) and catabolic (MMP-3, MMP-13, TIMP-1, and TIMP-3) factors were measured by PCR and western blot analyses and the inflammatory (NF-κB pathway, COX-2, iNOS) factors were determined by western blot. SB significantly decreased the follwing: production of pro-inflammatory cytokines, PGE2, and NO; mRNA expression of catabolic factors; and the protein expression of catabolic and inflammatory factors. In addition, SB significantly increased the mRNA expression of anabolic factors. This study suggests that SB is a potential functional food component to control inflammation and osteoarthritis.Key words : chondrocyte, osteoarthritis, Schisandra chinensis (Turcz.) Baillon

  • Article l 2022-11-30

    Effects of Cow Milk-Derived Extracellular Vesicles on the Differentiation and Mineralization of Osteoblastic MC3T3-E1 Cells

    JaeHee Kwon , Hyun-Ju Seo , In-Sook Kwun , Moon-Chang Baek , and Young-Eun Cho

    Osteoporosis, which is caused by the structural weakness of bone tissue, is a systemic skeletal disease that decreases bone mass and increases the risk of fractures. For the aging population, osteoporosis is a major cause of morbidity and health expenditure. The objective of the present study was to investigate the potential anti-osteoporotic properties of cow milk-derived extracellular vesicles (EVs) on the differentiation and mineralization in osteoblastic MC3T3-E1 cells. MC3T3-E1 cells were cultured in 0, 1, 5, and 10 μg/mL cow milk-derived EVs for 3 and 7 days. It was observed that the average diameter of EVs from cow milk isolated by ultracentrifugation was 156±2.5 nm, and the presence of EV-associated marker protein CD63 and whey protein-specific marker lactoferrin was confirmed by immunoblot analysis. Our results determined that cow milk-derived EVs were increased osteoblastic cell proliferation and extracellular alkaline phosphatase (ALP) activity. Markedly, cow milk-derived EVs were significantly elevated the mineralized nodules in a does dependent manner for 3 and 7 days. Taken together, our results clearly demonstrated that cow milk-derived EVs may be useful in preventing osteoporosis by stimulating osteoblastic differentiation and mineralization.Key words : cow milk, extracellular vesicles, lactoferrin, osteoblasts, osteoporosis

  • Brassicaceae (Cruciferae) vegetable by-products (BVBs) from the food industry account for 20∼50% of the initial weight of Brassicaceae vegetables. BVBs contain bioactive substances such as polyphenols and glucosinolates, with high antioxidant activities. The aim of this study was to evaluate the nutritional and antioxidant properties of BVB. Antioxidant properties were assessed using the total polyphenol contents (TPCs), and 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and ferric reducing antioxidant power (FRAP) assays. Mineral contents were also measured. The ethanolic extract of broccoli by-products had the highest antioxidant capacity as determined by TPC (88.78±1.89 mg GAE/100 g), DPPH radical scavenging activity (91.52±1.59 mg TE/100 g), and FRAP (70.70±2.30 mg TE/100 g) results. However, the water extract of Chinese cabbage by-products had the highest ABTS radical scavenging activity (63.77±0.75 mg TE/100 g). This study demonstrates that extracts of cabbage, Chinese cabbage, and broccoli by-products could be used as new bioactive food materials.Key words : Brassicaceae, Cruciferae, antioxidant, polyphenol, vegetable by-product

  • Article l 2022-11-30

    Development and Validation of an Analytical Method for the Detection of Resveratrol and trans-Scirpusin A as Functional Ingredients Smilax sieboldii Extract

    Jin Gwan Kwon , Yeon Woo Jung, Yun-Hyeok Choi, Ji Eun Lee, Wonsik Jeong, Jung A Lee, Chun Whan Choi, Eun-Kyung Ahn, Yongmun Choi, and Seong Su Hong

    This study was undertaken to establish an analytical method using high-performance liquid chromatography (HPLC). HPLC for the standard determination of resveratrol and trans-scirpusin A as functional ingredients in Smilax sieboldii extract. We evaluated the specificity, linearity, accuracy, precision, limit of detection (LOD), and limit of quantitation (LOQ) of various analytical methods for detecting resveratrol and trans-scirpusin A using HPLC. The specificity was confirmed by the chromatogram obtained using the HPLC analytical method. Also, the results of UV and the coefficient of correlation (R2) obtained was 0.999, which confirmed that this was a suitable analysis with high linearity. The LOD was 0.98, 0.49 μg/mL, and LOQ was 2.98, 1.48 μg/mL, which was confirmed as a suitable limit level for the analysis of resveratrol and trans-scirpusin A content in the S. sieboldii extract. The recovery of resveratrol and trans-scirpusin A content was determined to be 98.77±0.73∼99.24±1.47% and 98.45±1.18∼ 99.45±1.66%, respectively, indicating high accuracy. The intra-day repeatability and the intra-laboratory precision of the daily repetition were confirmed to be 0.67∼0.87%, 1.18∼1.33% and 0.93∼1.22%, 1.33∼2.27%, respectively, for trans-scirpusin A, for the relative standard deviation. These results indicate that the reported HPLC method is simple, reliable, and reproducible for the detection of resveratrol and trans-scirpusin A in S. sieboldii extract.Key words : Smilax sieboldii, resveratrol, trans-scirpusin A, HPLC, analytical method validation

  • This study investigated the quality characteristics and antioxidant activity of Yanggaeng made with different amounts of barley sprout powder. Barley sprout powder was incorporated into Yanggaeng at 0, 3, 6, 9, and 12% by weight based on total weight of red bean paste and barley sprout powder. The pH level of Yanggaeng reduced significantly on increasing the percentage of barley sprout powder (P0.05). In terms of color, the lightness values of the 12% barley sprout group were highest at 34.53 (PKey words : barley sprout powder, Yanggaeng, quality characteristics, antioxidant activities

  • In this study, the quality characteristics of modified Jeungpyeon prepared with the addition of different quantities of Won-ju (raw makgeolli) were investigated, and the standardization of the modified Jeungpyeon production process was suggested (RM10, RM20, RM30, RM40 represent various quantities of raw makgeolli). There were no changes in the moisture content with changes in the quantities of raw makgeolli added. The pH decreased after fermentation but increased after steaming. The L-value, hardness, and gumminess decreased with the addition of increasing quantities of raw makgeolli, whereas chewiness, springiness, and cohesiveness increased. The specific volume and expansion ratio were the highest when 40 mL of raw makgeolli was added. The result of the analysis with the Image J program showed that as the quantity of raw makgeolli added increased, the pore size became larger, and the number of pores decreased. Additionally, the results of the evaluation of the sensory properties showed that RM30 had the highest rating for all the tested parameters except for flavor. These results suggest that the addition of RM30 had a positive effect on the quality characteristics of modified Jeungpyeon. These results can be used as preparatory data for the standardization of Jeungpyeon production with the addition of raw makgeolli.Key words : Jeungpyeon, rice cake, quality characteristics, raw makgeolli, Image J

  • Article l 2022-11-30

    Analysis of the Physicochemical Quality Characteristics of Korean Triticale by Cultivars and Grain-Processing Types

    Hong-Sik Kim , Hyun-Joo Kim , Yougeun Oh , Hye-Young Park , Hye Sun Choi , Jiyoung Park , and Eun-Yeong Sim

    Triticale (X Triticosecale Wittmack) is a hybrid crop combining the high quality of wheat and the abiotic tolerance of rye. In this study, its physicochemical quality and processing-related characteristics were analyzed by cultivars and grain-processing types (whole grain, flour, and bran). The milling yield of eight Korean triticale cultivars was in the range of 57.4~66.9%, which was lower than that of Saekeumkang wheat (73.3%). Significant differences in the general nutritional components were observed by cultivars and grain-processing types (P14%) than others. Domestic triticale needs extensive research beyond the scope of traditional use on its potential as a new source of industrial raw material.Key words : triticale, grain, flour, bran, quality

  • Article l 2022-11-30

    Optimization of Hydrothermal Treatment Conditions for Pear Puree Using the Response Surface Methodology

    Min Kyeong Park , Yong Sik Cho, and Hyun Wook Jang

    This study analyzed the quality characteristics of pear puree by varying the hydrothermal treatment temperature (50, 70, and 90°C) and time (15, 30, and 45 min) and sought to determine the optimal hydrothermal treatment conditions through the response surface methodology. A total of nine experimental points were studied according to the central composite design. The temperature and time were set as independent variables, and the redness, ΔE value, aerobic bacteria, coliform group, polyphenol oxidase (PPO) activity, total polyphenol content (TPC), and total flavonoid content (TFC) related to the quality characteristics were set as dependent variables. The redness and the ΔE value were measured as −0.38∼1.20 and 0.97∼11.88, respectively, and the R2 value was 0.9754 and 0.9818, respectively. The R2 value of viable cell counts were 0.9849 and 0.9714 in the aerobic bacteria and coliform groups. The PPO activity was 122.57∼235.13 g/min, and the R2 value was 0.8616. The TPC and TFC as active ingredients of pear puree were in the range of 19.33∼24.54 and 4.56∼5.78 GAE mg/100 g, respectively, and the R2 values were 0.9181 and 0.9097, respectively. Based on this, the contour map was superimposed to set the optimal hydrothermal treatment conditions. The optimum points derived were 74.6°C and 20.7 min. When the predicted and the experimental values were compared to verify the reliability of the model, all the experimental values of each of the response variables were within the 95% confidence and prediction intervals, confirming the suitability of the model.Key words : pear, puree, response surface methodology (RSM), phytochemical contents

  • Note l 2022-11-30

    Evaluation of the Biological Activities of Different Parts of Dragon Fruit

    Ye-Rin Kim , Ji-Min Park , Hyeon-Jeong Lee , and Ae-Jung Kim

    In this study, we examined the antioxidant (selenium, total polyphenol, and total flavonoid) contents and physiological activities (antioxidant, enzymatic, and anti-inflammatory effects) of the flesh and peel, which is typically discarded as waste, of Hylocereus undatus (dragon fruit). Selenium, total polyphenol, and flavonoid contents and DPPH and ABTS radical scavenging activities were higher in peel than flesh, and enzymatic activity assays also showed elastase and tyrosinase inhibitory activities were also higher in peel. In addition, flesh and peel extracts (0, 100, 1,000, or 2,000 μg/mL) did not significantly affect cell viability, and peel extract inhibited lipopolysaccharideinduced increases in NO, IL-1β, and IL-6 levels in RAW 264.7 macrophages significantly more than flesh extract. Correlation analysis on relations between antioxidant (selenium, total polyphenol, and total flavonoid) contents of peel extract and physiological activities (antioxidant, enzymatic, and anti-inflammatory) revealed positive relations with antioxidant and enzymatic activities but a negative correlation with inflammation. In conclusion, the peel of Hylocereus undatus was found to possess excellent antioxidant, enzymatic, and anti-inflammatory effects, which suggests its potential use as a new functional material.Key words : Hylocereus undatus, antioxidant activity, enzymatic activity, anti-inflammatory effect, selenium

  • Note l 2022-11-30

    Evaluation of the Vitamin B Content of Edible Insects

    Younghyeon Jang , Jinsoo Jeon , Sang Hoon Lee , Young Min Choi , and Myoung-Gun Choung

    Studies on the nutritional composition of edible insects have been conducted to evaluate them as alternative protein food. However, there is limited information on the vitamin B content of these insects. Therefore, in this study, the high-performance liquid chromatography (HPLC) method was used to determine the vitamin B contents of edible insects. Thiamine, riboflavin, niacin, and pantothenic acid contents as dry matter weight base in edible insects ranged from 0.247∼6.714 mg/100 g, 0.000∼9.134 mg/100 g, 0.215∼7.919 mg/100 g, and 2.375∼22.224 mg/100 g, respectively. However, pyridoxine was not detected. The nutritional profile of edible insects and conventional protein sources (meat, dairy, and soy products) was compared for the vitamin B content. The results of this study will from part of a database to be used the publication of the 10th revision of the Korean Food Composition Table.Key words : edible insect, alternative food, vitamin B, HPLC, Korean Food Composition Table

  • This study aimed to establish the analytical method for standardization of cynarin in the Arctium lappa root extract (ALE). Briefly, ALE and cynarin were dissolved in 50% MeOH and analyzed by HPLC using a Supelco C18 column (250 mm×4.6 mm, 5 μm) with a gradient elution of 0.2% formic acid (v/v) and methanol. The eluate was detected at 330 nm using a PDA detector. The method was validated for specificity, linearity, precision, and accuracy. High linearity was demonstrated with correlation coefficients of 0.9999 for cynarin. Moreover, we determined good accuracy (95.05∼98.26%) and the generally acceptable precision criterion (RSD; 0.28∼3.28%). We believe that this current HPLC method is reliable for quantitating the cynarin content from the ALE, and that cynarin can be used as an indicator compound for ALE.Key words : Arctium lappa root, cynarin, validation, standardization, HPLC analysis

  • Note l 2022-11-30

    Quality Characteristics of Yanggaeng Prepared with the Addition of Colored Sweet Potato Powder

    Hye Won Lee , So Yoon Lee, Yun Jo Jung, Yeon Jae Jo, Mi Nam Chung, Jun Soo Lee, and Heon Sang Jeong

    This study evaluated the quality characteristics and antioxidant activity of yanggaeng prepared with the addition of three different colored sweet potato powders (Juwhangmi, Sinjami, and Daeyumi). The brightness and yellowness values of yanggaeng with the addition of Juwhangmi were high. The highest redness value was observed in yanggaeng with the addition of Sinjami. With the addition of Daeyumi, the hardness showed the lowest value of 1,985.13 g, and the chewiness and gumminess showed the highest values of 399.19 and 579.39, respectively, with the addition of Sinjami. The total polyphenol and flavonoid contents were observed to have the highest values of 124.81 mg GAE/100 g and 47.30 mg CE/100 g, respectively, with the addition of Sinjami. Also, the ABTS and DPPH radical scavenging activities were observed to be 34.76 mg AAE/100 g and 70.88 mg AAE/100 g, respectively, with the addition of Sinjami. As per the results of sensory evaluation, yanggaeng with the addition of Sinjami had the highest sensory score in overall acceptance, including color, taste and texture, and preference. These results demonstrated that it was possible to manufacture yanggaeng by adding colored sweet potato powders, and the Sinjami cultivar was found to be the most suitable for this purpose.Key words : antioxidant activity, quality, sweet potato, sensory evaluation, yanggaeng

Journal Info

November, 2022
Vol.51 No.11

Journal Cover

View Current Issue

Most Downloaded


Print ISSN 1226-3311 Online ISSN 2288-5978