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Black rice

Maeda Mayumi, Masashi Tokashiki, Midori Tokashiki, Keiko Uechi, Susumu Ito, Toki Taira
Awamori is a traditional distilled liquor in the Ryukyu Islands, made from steamed rice by the action of the black-koji mold Aspergillus luchuensis and awamori yeast Saccharomyces cerevisiae. One of the specific flavors in aged awamori kusu is vanillin, which is derived from ferulic acid (FA) in rice grains. FA is released from the cell wall material in the rice grain by ferulic acid esterase produced by A. luchuensis. Through decarboxylation of FA, 4-vinylguaiacol (4-VG) is produced, which is transferred to the distilled liquor, and converted to vanillin by natural oxidization during the aging process...
March 5, 2018: Journal of Bioscience and Bioengineering
Kenji Hosoda, Hideki Sasahara, Kei Matsushita, Yasuaki Tamura, Makoto Miyaji, Hiroki Matsuyama
Objective: An experiment was conducted to assess the antioxidant contents and activities of colored rice grains and to evaluate their nutritive characteristics in terms of chemical composition and in situ ruminal degradation. Methods: Ten cultivars of colored rice grains (Oryza sativa L.) collected from several areas of Japan were studied, and control rice without pigment, maize, barley, and wheat grains were used as control grains. Their chemical compositions, pigment, polyphenol contents, total antioxidant capacity (TAC), and degradation characteristics were determined...
March 2, 2018: Asian-Australasian Journal of Animal Sciences
Satoru Ishihara, Takashi Inaoka, Toshihide Nakamura, Keitarou Kimura, Yasuyo Sekiyama, Satoru Tomita
Non-targeted metabolomic analyses employing nuclear magnetic resonance- and gas chromatography/mass spectrometry-based techniques were applied for an in-depth characterization of cabbage vinegar, an original agricultural product made from cabbage harvested in Tsumagoi, Japan. Water-soluble and volatile metabolite profiles of cabbage vinegar were compared with those of various vinegars: rice vinegar, grain vinegar, apple vinegar, and black vinegar (Japanese kurozu made of brown rice). Principal component analysis (PCA) of the water-soluble metabolites indicated that cabbage vinegars belonged to an isolated class by the contributions of fructose, pyroglutamic acid, choline, and methiin (S-methylcysteine sulfoxide)...
March 1, 2018: Journal of Bioscience and Bioengineering
Seiji Awane, Kosuke Nishi, Momoko Ishida, Masanobu Nagano, Kazunori Hashiguchi, Akira Fujii, Takuya Sugahara
Japanese black vinegar (JBV) is a traditional vinegar manufactured with steamed unpolished rice. After screening, beneficial effects of JBV on IgE-mediated allergic responses were found. In this study, acetic acid-free JBV was used to evaluate its antiallergic effects. JBV suppressed degranulation of rat basophilic leukemia RBL-2H3 cells in a dose-dependent manner without cytotoxicity. The inhibitory effect of JBV on the degranulation seemed to be caused by the bioactive ingredients other than proteins, because the activity was not affected by heat treatment or protease digestion...
March 2, 2018: Cytotechnology
Mira Han, Jung-Soo Bae, Jae-Jun Ban, Hee Soon Shin, Dong Hun Lee, Jin Ho Chung
Exposure of the skin to ultraviolet (UV) radiation causes extracellular matrix (ECM) collapse in the dermis, owing to an increase in matrix metalloproteinase (MMP) production in both the epidermis and dermis, and a decrease in type I collagen expression in the dermis. Recently, black rice (Oryza sativa L.) was reported to have a wide range of pharmacological effects in various settings. However, the effects of black rice extract (BRE) on UV‑irradiated skin cells have not yet been characterized. BRE treatment did not affect cell morphology and viability of HaCaT and human dermal fibroblasts (HDF)...
February 22, 2018: International Journal of Molecular Medicine
Sara A Vasilenko, Cara E Rice, Joshua G Rosenberger
PURPOSE: Young men who have sex with men (YMSM) are at an increased risk for sexually transmitted infections. Recent research has documented the importance of understanding the multidimensional nature of sexual risk behavior; however, little is known about how multidimensional patterns of sexual behavior among MSM may be associated with STIs. METHOD: This study applies latent class analysis to data from a large, HIV- sample of 18-25 year old MSM recruited from social and sexual networking websites (N = 5,965; 76% white, 11% Latino, 5% Black, 4% Asian, 4% other; 74% homosexual, 21% bisexual, 1% heterosexual, 3%, unsure/questioning 1% other) to uncover multidimensional patterns of past-year sexual behaviors, partner factors, and protective behavior and their associations with self-reported STI diagnosis...
November 21, 2017: Sexually Transmitted Diseases
Subramanium Thiyageshwari, Pandurangan Gayathri, Ramasamy Krishnamoorthy, Rangasamy Anandham, Diby Paul
The present study was aimed at using cellulolytic bacterium Enhydrobacter and fungi Aspergillus sp. for preparing compost from rice husk (RH). Further, the prepared compost was tested for their effect on blackgram growth promotion along with different levels of recommended dose of fertilizer (RDF) in black soil (typic Haplustalf) and red soil (typic Rhodustalf) soil. The results revealed that, inoculation with lignocellulolytic fungus (LCF) Aspergillus sp. @ 2% was considered as the most efficient method of composting within a short period...
February 17, 2018: International Journal of Environmental Research and Public Health
Sander Florman, Flavio Vincenti, Antoine Durrbach, Marwan Abouljoud, Barbara Bresnahan, Valter Duro Garcia, Laura Mulloy, Kim Rice, Lionel Rostaing, Carlos Zayas, Kellie Calderon, Ulf Meier-Kriesche, Martin Polinsky, Lingfeng Yang, Jose Medina Pestana, Christian P Larsen
Clinical outcomes are generally worse for black versus non-black renal allograft recipients. In BENEFIT and BENEFIT-EXT, recipients were randomized to belatacept more-intense-based, belatacept less-intense-based, or cyclosporine-based immunosuppression. At year 7, belatacept was associated with superior graft survival versus cyclosporine in BENEFIT (recipients of living or standard criteria deceased donor kidneys); belatacept was associated with similar graft survival versus cyclosporine in BENEFIT-EXT (recipients of extended criteria donor kidneys)...
February 20, 2018: Clinical Transplantation
Ali Ghasemzadeh, Mohamad Taghi Karbalaii, Hawa Z E Jaafar, Asmah Rahmat
BACKGROUND: In the recent years, the health benefits of the pigmented rice varieties have reported due to the presence of bioactive compounds. In this study, the phytochemical constituents (total phenolic, flavonoid and anthocyanin content) and individual phenolics and flavonoids of the extracts of sixteen genotypes of pigmented rice bran were evaluated using spectrophotometric and ultra-high performance liquid chromatography method. Antioxidative properties of the free and bound fractions were evaluated using nitric oxide and 1,1-diphenyl-2-picrylhydrazyl scavenging assays...
February 17, 2018: Chemistry Central Journal
Jitesh B Shewale, David B Nelson, David C Rice, Boris Sepesi, Wayne L Hofstetter, Reza J Mehran, Ara A Vaporciyan, Garrett L Walsh, Stephen G Swisher, Jack Roth, Mara B Antonoff
BACKGROUND: Among patients with previous lung cancer, the malignant potential of subsequent ground glass opacities (GGOs) on computed tomography (CT) remains unknown, with a lack of consensus regarding surveillance and intervention. We sought to describe the natural history of GGO in patients with a history of lung cancer. METHODS: A retrospective review was performed of 210 patients with a history of lung cancer and ensuing CT evidence of pure or mixed GGOs between 2007 and 2013...
February 9, 2018: Annals of Thoracic Surgery
Jae-Hyeon Oh, Ye-Ji Lee, Eun-Ju Byeon, Byeong-Chul Kang, Dong-Soo Kyeoung, Chang-Kug Kim
Anthocyanins are involved in many diverse functions in rice, but their benefits have yet to be clearly demonstrated. Our objective in this study was to identify anthocyanin-related genes in black rice plants. We identified anthocyanin-related genes in black rice plants using a combination of whole-genome resequencing, RNA-sequencing (RNA-seq), microarray experiments, and reverse-transcriptase polymerase chain reaction (RT-PCR). Using multi-layer screening from 30 rice accessions, we identified 172,922 single-nucleotide polymorphisms (SNPs) and 1276 differentially expressed genes that appear to be related to anthocyanin biosynthesis...
February 2018: 3 Biotech
Hanzhi Shi, Qi Li, Wenli Chen, Peng Cai, Qiaoyun Huang
Copper contamination of soils is a global environmental problem. Soil components (organic matter, clay minerals, and microorganisms) and retention time can govern the adsorption, fixation, and distribution of copper. This study evaluated the interaction effects of soil components and aging on the distribution of exogenous copper. Three typical Chinese soils (Ultisol, Alfisol, and Histosol) were collected from Hunan, Henan, and Heilongjiang Provinces. Soils were incubated with rice straw (RS) and engineered bacteria (Pseudomonas putida X4/pIME) in the presence of exogenous copper for 12 months...
February 2, 2018: Environmental Science and Pollution Research International
Isara Wattananapakasem, Adele Costabile, Prisana Suwannaporn
Black waxy and red jasmine rice flour (6.5% and 18.7% amylose content, respectively) were modified using pullulanase followed by heat-moisture treatment (Hydrolyzed-HMT) to produce microcapsules that entrapped L. plantarum TISTR 1465. Hydrolyzed-HMT of colored rice flours showed restricted pasting properties, lower breakdown and higher thermal properties than native flour (p<0.05). Hydrolysis treatment was able to promote a low molecular weight starch that easily formed a crystalline structure after HMT...
January 2018: Food Research International
Phaiwan Pramai, Nur Ashikin Abdul Hamid, Ahmed Mediani, Maulidiani Maulidiani, Faridah Abas, Sudarat Jiamyangyuen
In an attempt to profile the metabolites of three different varieties of germinated rice, specifically black (GBR), red, and white rice, a 1H-nuclear-magnetic-resonance-based metabolomics approach was conducted. Multivariate data analysis was applied to discriminate between the three different varieties using a partial least squares discriminant analysis (PLS-DA) model. The PLS model was used to evaluate the relationship between chemicals and biological activities of germinated rice. The PLS-DA score plot exhibited a noticeable separation between the three rice varieties into three clusters by PC1 and PC2...
January 2018: Journal of Food and Drug Analysis
Sukanya Mingyai, Khongsak Srikaeo, Aikkarach Kettawan, Riantong Singanusong, Kiyotaka Nakagawa, Fumiko Kimura, Junya Ito
Rice bran oil (RBO) especially from colored rice is rich in phytochemicals and has become popular in food, cosmetic, nutraceutical and pharmaceutical applications owing to its offering health benefits. This study determined the contents of phytochemicals including oryzanols, phytosterols, tocopherols (Toc) and tocotrienols (T3) in RBOs extracted using different methods namely cold-press extraction (CPE), solvent extraction (SE) and supercritical CO2 extraction (SC-CO2). Two colored rice, Red Jasmine rice (RJM, red rice) and Hom-nin rice (HN, black rice), were studied in comparison with the popular Thai fragrant rice Khao Dawk Mali 105 (KDML 105, white rice)...
January 23, 2018: Journal of Oleo Science
Koushik Manna, Manik Chandra Kundu, Biplab Saha, Goutam Kumar Ghosh
A field experiment was conducted in winter season of 2015-2016 in the dry lateritic soil of Eastern India to study the effect of different thicknesses of nonwoven jute agrotextile mulches (NJATM) along with other mulches on soil health, growth and productivity of broccoli (Brassica oleracea L.). The experiment was conducted in randomized block design with six treatments viz., T1 (control, i.e. no mulching), T2 (300 gsm NJATM), T3 (350 gsm NJATM), T4 (400 gsm NJATM), T5 (rice straw) and T6 (black polythene mulch), each of which was replicated four times...
January 16, 2018: Environmental Monitoring and Assessment
Xiaonan Sui, Hongbo Sun, Baokun Qi, Min Zhang, Yang Li, Lianzhou Jiang
The present study was aimed to evaluate the interaction between anthocyanins from black rice and soybean protein isolate (SPI) via non-covalent and covalent bindings and the impact of these interactions on the functional and conformational changes of soybean protein. The conformational changes of the protein structure with different concentrations of anthocyanins (0.05, 0.1%, and 0.2%) were analyzed using three-dimensional fluorescence and Fourier transform infrared spectroscopy. The anthocyanins were more likely to form covalent interactions with SPI instead of non-covalent interactions...
April 15, 2018: Food Chemistry
Anne E Brisendine, Whitney S Rice, Samantha S Goldfarb, Martha S Wingate
OBJECTIVE: Given that studies have consistently demonstrated increased risk of stillbirth with increasing maternal age as well as race-ethnic disparities in stillbirth, the primary research question is how stillbirth risks within and between race-ethnic groups change with age. DESIGN: Using fetal death (stillbirth) and live birth data from the National Center for Health Statistics 2007-2014. We calculated crude stillbirth rates (per 1,000 deliveries). Using multivariable logistic regression, we calculated adjusted odds ratios (aOR) and 95% confidence intervals (CI) for stillbirth across age groups to examine disparities in stillbirth among non-Hispanic blacks (blacks) and non-Hispanic whites (whites)...
December 27, 2017: Ethnicity & Health
Mabel L Rice, Jonathan S Russell, Toni Frederick, Murli Purswani, Paige L Williams, George K Siberry, Sean M Redmond, Howard J Hoffman, Tzy-Jyun Yao
BACKGROUND: Perinatally HIV-exposed but uninfected (HEU) children have elevated risk of late language emergence at age 1 year, with possible links to in utero antiretroviral (ARV) exposure. We investigated possible risks for speech impairments (SI) and language impairments (LI) in preschool monolingual HEU children in the United States. METHODS: Speech and language assessments were conducted as part of the PHACS Surveillance Monitoring of ART Toxicities (SMARTT) study at ages 3 (N= 208) and 5 (N = 429) years...
December 22, 2017: Pediatric Infectious Disease Journal
Linghua Chen, Yining Huang, Ming Xu, Zuxin Cheng, Jingui Zheng
Black rice (Oryza sativa L.) is considered to be a healthy food due to its high content of anthocyanins in the pericarp. The synthetic pathway of anthocyanins in black rice grains has been identified, however, the proteomic profile of leaves during grain development is still unclear. Here, isobaric Tags Relative and Absolute Quantification (iTRAQ) MS/MS was carried out to identify statistically significant changes of leaf proteome in the black rice during grain development. Throughout three sequential developmental stages, a total of 3562 proteins were detected and 24 functional proteins were differentially expressed 3-10 days after flowering (DAF)...
December 15, 2017: International Journal of Molecular Sciences
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