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https://www.readbyqxmd.com/read/28823078/sesquiterpenes-from-fruits-of-torilis-japonica-with-inhibitory-activity-on-melanin-synthesis-in-b16-cells
#1
Da Hye Song, Yang Hee Jo, Jong Hoon Ahn, Seon Beom Kim, Cheong-Yong Yun, Youngsoo Kim, Bang Yeon Hwang, Mi Kyeong Lee
Melanin, a dark macromolecular pigment, protects skin from harmful damage. However, abnormal accumulation is responsible for hyperpigmentation disorders. Melanogenesis inhibitors have therefore become important constituents in cosmetic products for depigmentation. Torilis japonica Decandolle (Umbelliferae) is a biennial plant which is distributed in East Asia. Fruits of this plant have been used for the treatment of skin disease and inflammation. In our previous study, torilin, a major sesquiterpene of T. japonica, showed an inhibitory effect on melanin production in α-melanocyte stimulating hormone (α-MSH)-activated B16 melanoma cells...
August 19, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28822937/role-of-earthworms-mucus-in-vermicomposting-system-biodegradation-tests-based-on-humification-and-microbial-activity
#2
Kui Huang, Hui Xia
During vermicomposting, the organic wastes can be recycled into high-value products as mediated by earthworms through gut digestion, burrowing, casting and mucus excretion. However, to date, few studies have been done on the role of mucus in vermicomposting system compared to the effects of the other activities. Hence, this study investigated the potential role of earthworms' mucus in the decomposition and humification of organic wastes. For this, the mucus of Eisenia fetida was extracted and inoculated into three vermicomposting substrates using cow dung (CD), fruit and vegetable wastes (FVW), and sewage sludge (SS)...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822756/differences-in-psychosocial-and-behavioral-variables-by-dietary-screening-tool-risk-category-in-older-adults
#3
Geoffrey W Greene, Ingrid Lofgren, Chelsea Paulin, Mary L Greaney, Phillip G Clark
BACKGROUND: The Dietary Screening Tool (DST) has been validated as a dietary screening instrument for older adults defining three categories of potential nutritional risk based on DST score cutoffs. Previous research has found that older adults classified as being "at risk" differed from those categorized as being "not at risk" for a limited number of health-related variables. The relationship between risk categories and a wide variety of variables has not yet been explored. This research will contribute to an increased understanding of clustering of multiple health concerns in this population...
August 17, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28822619/experiential-documentation-of-trimad-for-its-anti-obesity-potential-a%C3%A2-survey-of-ayurvedic-physicians-from-pune-city
#4
Megha Salunke, Manasi Deshpande, Supriya Bhalerao
BACKGROUND: Trimad is an Ayurvedic polyherbal formulation consisting of tubers of Mustaka (Cyperus rotundus), fruits of Vidanga (Embelia ribes) and roots of Chitraka (Plumbago zeylanica). It is recommended in Ayurveda for the management of obesity. However, there is no documented evidence about its safety and efficacy. Hence, as a first step, we carried out a survey to find out its usage by Ayurvedic physicians and their personal clinical experiences while using the formulation. METHODOLOGY: A questionnaire was designed which included questions regarding the usage, dosage, formulation, safety and tolerability of Trimad...
August 16, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28822189/-determination-and-principal-component-analysis-of-mineral-elements-based-on-icp-oes-in-nitraria-roborowskii-fruits-from-different-regions
#5
Yuan-Yuan Yuan, Yu-Bi Zhou, Jing Sun, Juan Deng, Ying Bai, Jie Wang, Xue-Feng Lu
The content of elements in fifteen different regions of Nitraria roborowskii samples were determined by inductively coupled plasma-atomic emission spectrometry(ICP-OES), and its elemental characteristics were analyzed by principal component analysis. The results indicated that 18 mineral elements were detected in N. roborowskii of which V cannot be detected. In addition, contents of Na, K and Ca showed high concentration. Ti showed maximum content variance, while K is minimum. Four principal components were gained from the original data...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822099/insecticide-toxicity-to-the-borer-neoleucinodes-elegantalis-guen%C3%A3-e-lepidoptera-crambidae-developmental-and-egg-laying-effects
#6
R S Silva, L P Arcanjo, J R S Soares, D O Ferreira, J E Serrão, J C Martins, Á H Costa, M C Picanço
Neoleucinodes elegantalis (Guenée) (Lepidoptera: Crambidae) is one of the major pests of solanaceous plants in South America. It is considered a great threat by the European and Mediterranean Plant Protection Organization due to the serious economic damage that it causes on tomato farms; therefore, controlling this pest is a challenging task in South America. Controlling N. elegantalis at the egg stage is the best way to prevent it from damaging crops; however, thorough studies about the effectiveness of chemicals on the different life stages of this insect pest are lacking...
August 18, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28821981/modifiable-factors-and-esophageal-cancer-a-systematic-review-of-published-meta-analyses
#7
REVIEW
Clara Castro, Bárbara Peleteiro, Nuno Lunet
There are marked differences in the etiology of the major histological types of esophageal cancer (EC)-squamous cell carcinomas (ESCC) and adenocarcinomas (EAC). This study aimed to summarize the current scientific knowledge on modifiable risk factors for EC, by histological type, through a systematic review of meta-analyses referenced in PubMed and ISI Web of Knowledge. We identified 100 meta-analyses on risk factors for ESCC (n = 54), EAC (n = 43), or EC (n = 51). ESCC risk significantly increased with alcohol and maté drinking, smoking, red and processed meat consumption and human papillomavirus infection, while it was negatively associated with body mass index and consumption of fruit, vegetables, white meat, folate, and some carotenoids...
August 18, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28821819/dietary-factors-and-polymorphisms-in-vitamin-d-metabolism-genes-the-risk-and-prognosis-of-colorectal-cancer-in-northeast-china
#8
Chen Gong, Zhiping Long, Yanming Yu, Lin Zhu, Jingshen Tian, Shuo Li, Jing Li, Hongyuan Yu, Qiang Chi, Daxun Piao, Fan Wang, Yashuang Zhao, Binbin Cui
CYP24A1 and CYP27B1 are critical genes determining 1α,25(OH)2D3 concentration and impacting on carcinogenesis. A case-control study including 528 colorectal cancer (CRC) patients and 605 cancer-free controls and a follow-up study with 317 cases were conducted in northeast China. Genotypes were tested by TaqMan Genotyping Assays. Individuals carrying the GG genotype of CYP27B1 G > T (rs10877012) exhibited decreased CRC risk compared with those with the TT genotype (ORadjusted (ORadj) = 0.57, 95% Confidence Interval (CI) = 0...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821781/expressional-divergence-of-the-fatty-acid-amino-acid-conjugate-hydrolyzing-aminoacylase-1-l-acy-1-in-helicoverpa-armigera-and-helicoverpa-assulta
#9
Qian Cheng, Shaohua Gu, Zewen Liu, Chen-Zhu Wang, Xianchun Li
How FACs-producing generalist and specialist herbivores regulate their FACs-hydrolyzing enzyme L-ACY-1 to balance FACs' beneficial vs. detrimental effects remains unknown. To address this question, we compared L-ACY-1 expression in Helicoverpa armigera and Helicoverpa assulta, a pair of closely related sibling species differing mainly in their host range, by the same sets of hostplants, protein to digestible carbohydrate (P:C) ratios, or allelochemical. L-ACY-1 expression remained low/unchanged in H. armigera, but was induced by hot pepper fruits and repressed by cotton bolls in H...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821734/transcriptional-transitions-in-alphonso-mango-mangifera-indica-l-during-fruit-development-and-ripening-explain-its-distinct-aroma-and-shelf-life-characteristics
#10
Ashish B Deshpande, Krishanpal Anamika, Vineet Jha, Hemangi G Chidley, Pranjali S Oak, Narendra Y Kadoo, Keshav H Pujari, Ashok P Giri, Vidya S Gupta
Alphonso is known as the "King of mangos" due to its unique flavor, attractive color, low fiber pulp and long shelf life. We analyzed the transcriptome of Alphonso mango through Illumina sequencing from seven stages of fruit development and ripening as well as flower. Total transcriptome data from these stages ranged between 65 and 143 Mb. Importantly, 20,755 unique transcripts were annotated and 4,611 were assigned enzyme commission numbers, which encoded 142 biological pathways. These included ethylene and flavor related secondary metabolite biosynthesis pathways, as well as those involved in metabolism of starch, sucrose, amino acids and fatty acids...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821733/three-recombinantly-expressed-apple-tyrosinases-suggest-the-amino-acids-responsible-for-mono-versus-diphenolase-activity-in-plant-polyphenol-oxidases
#11
Ioannis Kampatsikas, Aleksandar Bijelic, Matthias Pretzler, Annette Rompel
Tyrosinases and catechol oxidases belong to the polyphenol oxidase (PPO) enzyme family, which is mainly responsible for the browning of fruits. Three cDNAs encoding PPO pro-enzymes have been cloned from leaves of Malus domestica (apple, MdPPO). The three pro-enzymes MdPPO1-3 were heterologously expressed in E. coli yielding substantial amounts of protein and have been characterized with regard to their optimum of activity resulting from SDS, acidic and proteolytic activation. Significant differences were found in the kinetic characterization of MdPPO1-3 when applying different mono- and diphenolic substrates...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821449/daphnauranins-a-and-b-two-new-antifeedants-isolated-from-daphne-aurantiaca-roots
#12
Sheng-Zhuo Huang, Qing-Yun Ma, Fan-Dong Kong, Zhi-Kai Guo, Qi Wang, Hao-Fu Dai, Yu-Qing Liu, Jun Zhou, You-Xing Zhao
Daphnauranins A (1) and B (2), two sesquiterpenoids were isolated from the roots of Daphne aurantiaca Diels. One is an unprecedented 5/7 oxacycloheptane ring system, the other is a sesquiterpene-lignan complex. Their structures were elucidated by comprehensive spectroscopic methods including MS and NMR. Their absolute configurations were further confirmed by the quantum ECD calculations. Daphnauranins A and B showed anti-insect activities against male fruit fly with anti-feeding rate up to 46.2±7.1 and 44...
August 15, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28821164/cape-gooseberry-physalis-peruviana-juice-as-a-modulator-agent-for-hepatocellular-carcinoma-linked-apoptosis-and-cell-cycle-arrest
#13
Hanaa A Hassan, Hanaa M Serag, Makwan S Qadir, Mohamed Fawzy Ramadan
BACKGROUND: Cape gooseberry (Physalis peruviana) fruit is highly nutritious with high content of health-promoting compounds including minerals, phenolic compounds, as well as vitamins A and C. Physalis peruviana fruits were used as mutagenic, antispasmodic, anticoagulant, and antileucemis agents. OBJECTIVE: The objective of the present work was to study the role of cape gooseberry juice (CG) as a natural modulator agent for adverse aspects associated with hepatocellular carcinoma (HCC)...
August 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28821144/extraction-purification-and-structural-characterization-of-a-galactoglucomannan-from-the-gabiroba-fruit-campomanesia-xanthocarpa-berg-myrtaceae-family
#14
Shayla Fernanda Barbieri, Andrea Caroline Ruthes, Carmen Lúcia de Oliveira Petkowicz, Rossana Catie Bueno de Godoy, Guilherme Lanzi Sassaki, Arquimedes Paixão Santana Filho, Joana Léa Meira Silveira
In this study, we isolated and structurally characterized, for the first time, a galactoglucomannan (GGM) from the pulp of gabiroba, a Myrtaceae family species. The HPSEC-MALLS-RI analysis showed a homogeneous polysaccharide with molar mass of 25,340gmol(-1). The monosaccharide composition showed that the GGM consisted of Man:Glc:Gal in a molar ratio of 1:1:0.6. Methylation and 1D and 2D NMR analyses suggested that the main chain of the GGM consisted of β-d-Glcp and β-d-Manp units (1→4)-linked. The α-d-Galp substitutions occur mainly at O-6 position of β-d-Manp units...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821124/the-characterization-selenylation-and-antidiabetic-activity-of-mycelial-polysaccharides-from-catathelasma-ventricosum
#15
Yuntao Liu, Yuxian You, Yiwen Li, Lan Zhang, Leilei Yin, Yingbin Shen, Cheng Li, Hong Chen, Shujuan Chen, Bin Hu, Daiwen Chen
The mycelial polysaccharide from Catathelasma ventricosum (mCVP-1S) was found to be a heteropolysaccharide with an average size of 230kDa composed mainly of β-glucopyranosyl residues. The selenylation of mCVP-1S, performed using an HNO3-Na2SeO3 method, produced a series of selenized mCVP-1Ss (SemCVP-1Ss). Varying the reaction time, temperature and Na2SeO3 dosage altered the yield and selenium content of the SemCVP-1Ss. NMR spectra showed substitution mostly at C-6, and Congo red tests indicated excessive selenylation might destroy the triple-helical structure of SemCVP-1Ss...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821062/cell-wall-polysaccharides-from-pulp-and-peel-of-cubiu-a-pectin-rich-fruit
#16
Cristiane Colodel, Rosane Maria das Graças Bagatin, Talita Maria Tavares, Carmen Lúcia de Oliveira Petkowicz
To investigate the polysaccharides of cubiu (Solanum sessiliflorum D.) fruits, pulp and peel were subjected to sequential extractions using different solvents, giving rise to pectins heterogeneous with respect to their structural characteristics, xylan, arabinogalactoxyloglucans and glucomannans. Chemical, physicochemical and spectroscopic analyses were used to characterize the polysaccharides obtained. Pectins with uronic acid content of commercial grade were obtained from the peel of cubiu fruits using water (25°C and 100°C) and EDTA and from its pulp using water (100°C)...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821039/processes-involving-selective-precipitation-for-the-recovery-of-purified-pectins-from-mango-peel
#17
Andreas Nagel, Carina Winkler, Reinhold Carle, Hans-Ulrich Endress, Christine Rentschler, Sybille Neidhart
Three methods for the recovery of purified pectins from directly dried mango peel were developed, using selective precipitation of mango pectin in propan-2-ol (IPA) of adequate volume concentrations for purification. Yields, composition, macromolecular and gelling properties of the resultant pectins were compared. Effluent analyses proved postextractive removal of fruit exudate arabinogalactans. The recovery processes involved (A) washing of raw-pectin powder in IPA of defined volume concentration, (B) fractional alcoholic precipitation of dissolved raw pectin, or (C) selective pectin precipitation from the hot-acid extract of mango peel in adequately diluted IPA...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821021/structural-characterization-and-inhibition-on-%C3%AE-glucosidase-activity-of-acidic-polysaccharide-from-annona-squamosa
#18
Yuan-Yuan Ren, Zhen-Yuan Zhu, Hui-Qing Sun, Li-Jing Chen
The crude polysaccharide (TASP3) was extracted from the fruit pulp of Annona squamosa and then isolated and purified by the combination of grading-alcoholic precipitation and Sephadex G-200. The structure of purified polysaccharide (GASP3-3-I) was determined based on the physicochemical and instrumental analyses. The results indicated that GASP3-3-I was an acidic heteropolysaccharide and its average molecular weight was 2.28×10(6)Da. The monosaccharide composition was analysed by GC-MS and ion chromatography, respectively...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820755/sleep-complications-following-traumatic-brain-injury
#19
Natalie A Grima, Jennie L Ponsford, Matthew P Pase
PURPOSE OF REVIEW: Recent research has provided extensive characterization as to the frequency and nature of sleep disturbances following traumatic brain injury (TBI). This review summarizes the current state of knowledge and proposes future directions for research. RECENT FINDINGS: Complaints of sleep disturbance are common following TBI, and objective assessments of sleep largely corroborate these complaints. Sleep is often disturbed in the acute phase postinjury and can persist for decades, with the prevalence of sleep disorders higher in patients with TBI as compared with the general population...
August 17, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28820539/a-survey-of-non-communicable-diseases-and-their-risk-factors-among-university-employees-a-single-institutional-study
#20
Emmanuel I Agaba, Maxwell O Akanbi, Patricia A Agaba, Amaka N Ocheke, Zumnan M Gimba, Steve Daniyam, Edith N Okeke
BACKGROUND: The incidence of non-communicable diseases (NCDs) is rising globally, with its attendant morbidity and mortality, especially in developing countries. This study evaluated the prevalence of NCDs and their risk factors among members of a university community. METHODS: All employees of the university were invited to the University health clinic for screening, using the World Health Organisation's STEPwise approach to NCDs. RESULTS: A total of 883 (521; 59...
August 15, 2017: Cardiovascular Journal of Africa
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