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Preventive Nutrition and Food Science

Eui-Seong Park, Gyl-Hoon Song, Seung-Hee Kim, Seung-Min Lee, Yong-Gyu Kim, Yaung-Lee Lim, Soon Ah Kang, Kun-Young Park
Rumex crispus (Rc) and Cordyceps militaris (Cm) mixture (Rc-Cm; AST2017-01) ameliorated production of proinflammatory cytokines, inflammation-related genes, and nitric oxide (NO) induced by lipopolysaccharide (LPS) in mouse splenocytes. Rc-Cm (6:4) and Taemyeongcheong (commercial healthy drink containing Rc-Cm) were co-administered along with LPS. Rc-Cm inhibited production of tumor necrosis factor α, interferon γ, interleukin (IL)-1β, and IL-6 in LPS-induced splenocytes. However, levels of inflammatory cytokines were elevated in the absence of LPS treatment...
December 2018: Preventive Nutrition and Food Science
Ji Hyun Kim, Jee Hyun Lee, Yoon Kyung Choi, Soon Sil Chun
A lexicon provides standardized vocabulary that facilitates communication among various objects. We developed a lexicon to describe the sensory flavor and aroma characteristics of fermented tea and blended tea. The 37 sensory attributes of blended tea were identified, defined, and referenced by six highly trained panelists. The lexicon included 24 flavor attributes and 13 aroma attributes. Ingredients in the blended tea included fermented tea, rose petal, lavender, hibiscus, chamomile, peppermint, lemongrass, rosemary, pandanus, and osmanthus...
December 2018: Preventive Nutrition and Food Science
Wenfeng Wang, Yong-Jun Cha
Volatile flavor compounds created in the mixture of enzymatic hydrolysates of soy sauce residue and defatted soybean by reaction flavor technology (RFT) were analyzed and compared using solid phase micro-extraction/gas chromatography/mass selective detector to develop a seasoning sauce. Using response surface methodology analysis, RFT was performed by adding 0.50% fructose, 0.33% glutamic acid, 0.68% arginine, 0.37% methionine, and 0.86% glycine in the base and reaction conditions at 93°C for 120 min. A total of 57 compounds, 43 in RFT and 45 in control, were detected, including 8 aldehydes and ketones, 6 aromatic hydrocarbons, 3 acids, 12 alcohols, 6 esters, 4 furans, 9 nitrogen-containing compounds, 4 sulfur-containing compounds, and 5 miscellaneous...
December 2018: Preventive Nutrition and Food Science
Dupe Temilade Otolowo, Abiodun Adekunle Olapade, Solomon Akinremi Makanjuola
Catfish ( Clarias gariepinus ), the most popular fish species cultivated in Nigeria is rich in nutrients but highly perishable thus, it requires processing for preservation. In order to determine the optimal dehydration parameters, the combined effects of brine concentration [3.0, 6.0, and 9.0% (w/v)], brining time (30, 60, and 90 min), and drying temperature (90, 110, and 130°C) were investigated to predict the nutritional and rancidity properties of the dehydrated catfish using response surface methodology (RSM)...
December 2018: Preventive Nutrition and Food Science
In-Wook Hwang, Shin-Kyo Chung
In this study, the antioxidant flavonoid, myricitrin, was isolated and identified from Daebong persimmon peel. The persimmon peel extract was successively fractionated with n -hexane, ethyl acetate, and n -butanol. The ethyl acetate fraction had the strongest antioxidant activities among the solvent fractions and was further fractionated by silica gel and octadecylsilane column chromatography, and preparative high performance liquid chromatography. Three antioxidant compounds were finally isolated, and compound 2 was identified as myricitrin by liquid chromatography/mass spectrometry and 1 H and 13 C nuclear magnetic resonance...
December 2018: Preventive Nutrition and Food Science
Seong Yeong Kim
The crude polysaccharide (citron seed crude polysaccharide, CSCP) from citron ( Citrus junos Sieb. Ex TANAKA) seed was obtained by water extraction and ethanol precipitation. The results of chemical composition analyses of the CSCP observed that neutral sugar content and uronic acid content were 27.70% and 14.70%, respectively. Monosaccharide composition of the CSCP was as follows in the following order: galacturonic acid+glucuronic acid (14.70 mol%)> arabinose (12.85 mol%)> glucose (4.54 mol%)> galactose (4...
December 2018: Preventive Nutrition and Food Science
Mi Hye Park, Meera Kim
In this study, in order to verify the use of mycelium as a new functional material, Rhynchosia nulubilis was cultivated with Ganoderma lucidum mycelium, and the biological activity of the culture extract was evaluated. Measurements of the 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical scavenging activity showed that the ethanol extract from Rhynchosia nulubilis cultivated with Ganoderma lucidum mycelium (RNGM) had significantly higher radical scavenging activity compared to the ethanol extract from Rhynchosia nulubilis (RN)...
December 2018: Preventive Nutrition and Food Science
Hyuk-Woo Kwon
Intracellular Ca2+ ([Ca2+ ]i ) induces platelet aggregation, and influences the activation of aggregation associated-molecules. The increased [Ca2+ ]i activates both the Ca2+ /calmodulin-dependent phosphorylation of the myosin light chain and the diacylglycerol-dependent phosphorylation of pleckstrin to trigger granule secretion (i.e., dense body and α-granule) and platelet aggregation. This study was carried out to elucidate the antagonistic effect of 20(S)-ginsenoside Rg3 (G-Rg3) present in Panax ginseng Mayer on Ca2+ ...
December 2018: Preventive Nutrition and Food Science
Sun Ha Lim, Mee-Jung Han, You Mie Lee, Jongwon Lee
We have previously shown that supplementation of wheat with hot-water extract reduces myocardial injury by inhibiting apoptosis in a rat model of myocardial infarction (MI). Arabinogalactan-peptide (AGP), a cell wall polysaccharide of wheat, was also responsible for the protection. However, the underlying mechanisms were not elucidated. In this study, we investigated the underlying mechanisms for how AGP supplementation reduces myocardial injury. First, we isolated highly pure AGP from all-purpose wheat flour...
December 2018: Preventive Nutrition and Food Science
Lei Wang, Won Woo Lee, Hye-Won Yang, Bo Mi Ryu, Yong Ri Cui, Seung-Cheol Lee, Tae-Gee Lee, You-Jin Jeon
Citrus pomace (CP) is a by-product occurred during juice or other products processing. The enormous amount of CP caused serious environmental issues. However, CP is rich in a variety of bioactive compounds. In the present study, a water extract of CP (CPW) was prepared from the by-product and the in vitro and in vivo antioxidant activities of CPW were investigated. The in vitro antioxidant activities of CPW were evaluated by measuring the free radical scavenging activity and protective effects against 2,2-azobis(2-amidinopropane) hydrochloride (AAPH)-induced oxidative stress in Vero cells...
December 2018: Preventive Nutrition and Food Science
Pallob Barai, Khondoker Moazzem Hossain, Sana Mohammad Mahbubur Rahman, Mohammad Faysal Al Mazid, Mohammad Shamim Gazi
Probiotics may offer a safe intervention for diarrheal diseases. The aim of the present study was the assessment of the antidiarrheal property of probiotic bacteria. For their antidiarrheal efficacy assessment, yogurt was prepared using the isolated bacteria from selective regional yogurt of Bangladesh, and mice model trails were conducted using castor oil induced diarrheal mice. The probiotic treatment was applied on three mice groups, each having 6 mice and their respective doses were 50 mL/kg body weight in treatment group (TG) 1, 100 mL/kg body weight in TG2, and 150 mL/kg body weight in TG3...
December 2018: Preventive Nutrition and Food Science
Mostafa Ibrahim Waly, Ismail M Al-Bulushi, Shaimaa Al-Hinai, Nejib Guizani, Raya Nasser Al-Malki, Mohammad Shafiur Rahman
Curcumin has a wide spectrum of biological, pharmaceutical, and antioxidant effects in cancer experimental models. Nitrosamine is commonly used as an experimental oxidizing agent which induces gastric oxidative stress and gastric carcinogenesis in rats. We examined the antioxidant potential effect of curcumin against nitrosamine-induced gastric oxidative stress in rats. Forty Sprague-Dawley rats were randomly divided into 4 groups (10 rats/group). The control group was fed a standard diet and received a single dose of normal saline, the nitrosamine-treated group was fed a standard diet and received an intraperitoneal injection of nitrosamine at a single dose of 100 mg/kg body weight (b...
December 2018: Preventive Nutrition and Food Science
Sara Sila, Ana Močić Pavić, Iva Hojsak, Ana Ilić, Ivan Pavić, Sanja Kolaček
The aim of this study was to explore the differences in nutritional status and dietary intakes in 12~17 year-old children living in urban (Zagreb) and the rural (Sinj and Drniš) area of Croatia. A validated food frequency questionnaire was used to assess dietary intake. For each participant, body weight and body height were measured and bioelectrical impedance was used to estimate the body fat percentage. There was an overall of 310 children included: 105 (33.9%) from urban area and 205 (66.1%) from rural area; 191 (61...
December 2018: Preventive Nutrition and Food Science
Yuejia Xu, Yeonhwa Park
Caenorhabditis elegans is a versatile model organism that has been applied to research involving obesity, aging, and neurodegenerative diseases. C. elegans has many advantages over traditional animal models, including ease of handling, a short lifespan, a fully sequenced genome, ease of genetic manipulation, and a high similarity to human disease-related genes. With established C. elegans models of human disease, C. elegans provides a great platform for studying disease pathologies, including endoplasmic reticulum (ER) stress, which is characterized by the accumulation of unfolded and misfolded proteins involved in the pathologies of many diseases...
December 2018: Preventive Nutrition and Food Science
Wonjun Jo, Byoungseung Yoo
The effects of cellulose gums (CG), such as carboxymethyl cellulose (CMC) and hydroxypropyl methylcellulose (HPMC), on the flow and dynamic rheological properties of binary mixtures of xanthan gum (XG) and locust bean gum (LBG) were examined at different XG/LBG/CG mixing ratios (50/50/0, 47.5/47.5/5.0, 45/45/10, and 42.5/42.5/ 15.0). All XG/LBG/CG ternary mixtures showed high shear-thinning behavior and the flow behavior index values of samples containing HPMC were lower than those of samples containing CMC...
September 2018: Preventive Nutrition and Food Science
Gabriela Nicoleta Tenea, Pamela Hurtado, Clara Ortega
The use of peptides produced by lactic acid bacteria (LAB) as antimicrobial agents in food emerged from the increasing need of replacing chemicals with natural substances to ensure their safety and quality. A total of 30 LAB belonging to the genus Lactococcus sp. (10) and Enterococcus sp. (20) were isolated from native fruits of Ecuador subtropical rainforest. Among Lactococcus species, the isolates assigned Gt28, Gt29, and Ella8, identified as Lactococcus lactis subsp. lactis with 99% identity, showing highly inhibitory potential against four food pathogens were further characterized...
September 2018: Preventive Nutrition and Food Science
Sang-Hun Yoo, Yoon Hyuk Chang
The present study was performed to investigate the influence of tara gum (TG) addition on the steady and dynamic shear rheological properties of rice starch (RS) isolated from the Korean rice variety 'Boramchan' flour. From X-ray diffraction and Fourier transform infrared spectra of RS, it was found that RS was purely isolated. All RS+TG pastes (4.7:0.3, 4.5:0.5, and 4.3:0.7, w/w) showed shear-thinning fluid characteristics. Adding TG significantly increased the values of apparent viscosity and consistency index of RS...
September 2018: Preventive Nutrition and Food Science
Ji Hyun Kim, Jae Yoon Cha, Tai Sun Shin, Soon Sil Chun
This study was conducted to characterize the volatile components of Korean fermented tea and blended tea with Korean fermented tea and several herbs. A total of 161 volatile components in 4 samples of FT (fermented tea), BT (blended tea) 1, BT2, and BT3 were analyzed in this study. A total of 61 volatile compounds were identified in the FT sample, which contained the most abundant hydrocarbons. The major compounds were 3-methyldecane (10.48%), 2,2,4, 6,6-pentamethylheptane (10.00%), and 2,3,6-trimethyloctane (7...
September 2018: Preventive Nutrition and Food Science
Anna Ngozi Agiriga, Muthulisi Siwela
Proximate, minerals, and anti-nutrient content of raw Monodora myristica seed and Monodora myristica seeds boiled and roasted for 10, 20, and 30 min, respectively were assessed. In addition, the effects of boiling and roasting for 10, 20, and 30 min on the antioxidant properties of Monodora myristica seed extract were evaluated. Results showed that moisture, ash, fat, and crude protein were significantly reduced by boiling and roasting. Acid and neutral detergent fibres were significantly increased by roasting and boiling, with boiling causing a more significant increase than roasting...
September 2018: Preventive Nutrition and Food Science
Clement Olusola Ogidi, Victor Olusegun Oyetayo, Bamidele Juliet Akinyele, Camilo Amaro De Carvalho, Maria Catarina Megumi Kasuya
Food value and safety of a wild macrofungus, Lenzites quercina were investigated. The proximate and mineral composition of raw and fermented L. quercina were assessed using standard methods. Brine shrimp lethality bioassay was adopted for assessment of the toxicological property of the extracts obtained from raw and fermented L. quercina . The result of proximate composition revealed higher protein content (26.15%) in fermented L. quercina , while the value of carbohydrate (38.3%), crude fibre (27.6%), and ash contents (6...
September 2018: Preventive Nutrition and Food Science
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