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https://www.readbyqxmd.com/read/29762486/identification-of-nutritional-components-in-black-sesame-determined-by-widely-targeted-metabolomics-and-traditional-chinese-medicines
#1
Dandan Wang, Liangxiao Zhang, Xiaorong Huang, Xiao Wang, Ruinan Yang, Jin Mao, Xuefang Wang, Xiupin Wang, Qi Zhang, Peiwu Li
Chemical composition of secondary metabolites is of great importance for quality control of agricultural products. Black sesame seeds are significantly more expensive than white sesame seeds, because it is thought that black sesame seeds are more beneficial to human health than white sesame seeds. However, the differences in nutrient composition between black sesame seeds and white sesame seeds are still unknown. The current study examined the levels of different metabolites in black and white sesame seeds via the use of a novel metabolomics strategy...
May 15, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29758103/evaluation-of-the-basophil-activation-test-and-skin-prick-testing-for-the-diagnosis-of-sesame-food-allergy
#2
Michael Y Appel, Liat Nachshon, Arnon Elizur, Michael B Levy, Yitzhak Katz, Michael R Goldberg
BACKGROUND: The prevalence of sesame food allergy (SFA) has increased over recent years, with the potential of anaphylactic reactions upon exposure. Oral food challenge (OFC) remains the diagnostic standard, yet its implementation may be risky. Commercial skin prick tests (SPT) have a low sensitivity. Investigation of alternate diagnostic methods is warranted. OBJECTIVE: To evaluate the utility of SPT and the basophil activation test (BAT) for SFA diagnosis. METHODS: Eighty-two patients with suspected SFA completed an open OFC to sesame or reported a recent confirmed reaction...
May 14, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29740245/physiological-study-on-the-influence-of-some-plant-oils-in-rats-exposed-to-a-sublethal-concentration-of-diazinon
#3
Atef M Al-Attar, Moustafa H R Elnaggar, Essam A Almalki
The present study was aimed to evaluate the influence of olive, sesame and black seed oils on levels of some physiological parameters in male rats exposed to diazinon (DZN). Body weight changes, and levels of serum total protein, albumin, glucose, triglycerides, cholesterol, high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), very low density lipoprotein cholesterol (VLDL-C), atherogenic index (AI), atherogenic coefficient (AC), cardiac risk ratio (CRR), glutathione (GSH), superoxide dismutase (SOD) and malondialdehyde (MAD) were selected as physiological parameters...
May 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29666513/bioactive-compounds-and-in-vitro-antioxidant-activity-of-some-traditional-and-non-traditional-cold-pressed-edible-oils-from-macedonia
#4
Sanja Kostadinović Veličkovska, Augustin Catalin Moţ, Saša Mitrev, Rubin Gulaboski, Ludger Brühl, Hamed Mirhosseini, Radu Silaghi-Dumitrescu, Bertrand Matthäus
The bioactive compounds and "in vitro" antioxidant activity measured by three antioxidant assays of some traditional and non-traditional cold-pressed edible oils from Macedonia were object of this study. The fatty acid composition showed dominance of monounsaturated oleic acid in "sweet" and "bitter" apricot kernel oils with percentages of 66.7 ± 0.5 and 57.8 ± 0.3%, respectively. The most dominant fatty acid in paprika seed oil was polyunsaturated linoleic acid with abundance of 69...
May 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29627982/structure-odor-correlations-in-homologous-series-of-mercapto-furans-and-mercapto-thiophenes-synthesized-by-changing-the-structural-motifs-of-the-key-coffee-odorant-furan-2-ylmethanethiol
#5
Sebastian Schoenauer, Peter Schieberle
Furan-2-ylmethanethiol (2-furfurylthiol; 2-FFT, 1) is long-known as a key odorant in roast and ground coffee and was also previously identified in a wide range of thermally treated foods such as meat, bread, and roasted sesame seeds. Its unique coffee-like odor quality elicited at very low concentrations, and the fact that only a very few compounds showing a similar structure have previously been described in foods make 1 a suitable candidate for structure-odor activity studies. To gain insight into the structural features needed to evoke a coffee-like odor at low concentrations, 46 heterocyclic mercaptans and thio ethers were synthesized, 32 of them for the first time, and their odor qualities and odor thresholds were determined...
April 13, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29601353/how-to-diagnose-food-allergy
#6
Sakura Sato, Noriyuki Yanagida, Motohiro Ebisawa
PURPOSE OF REVIEW: To assess the recent studies that focus on specific immunoglobulin E (sIgE) testing and basophil activation test (BAT) for diagnosing IgE-mediated food allergies. RECENT FINDINGS: The sIgE to allergen extract or component can predict reactivity to food. The cutoff value based on the positive predictive value (PPV) of sIgE can be considered whenever deciding whether oral food challenge (OFC) is required to diagnose hen's egg, cow's milk, wheat, peanut, and cashew nut allergy...
June 2018: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29594472/matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometric-determination-of-benzo-a-pyrene-using-a-mil-101-fe-matrix
#7
Jun-Ping Wang, Ying Wang, Xiaohua Guo, Peng Wang, Tao Zhao, Junying Wang
A method is described for the matrix assisted laser desorption/ionization time-of-flight (MALDI-TOF)-based determination of benzo[a]pyrene (BaP) by using the metal-organic framework MIL-101(Fe) as a matrix. Following optimization of the experimental parameters, the method has a detection limit as low as 0.1 μg·L-1 , which makes it more sensitive than previous methods for BaP analysis, and its analysis time is only 1 min. Its applicability was evaluated by analyzing sesame oil, linseed oil, camellia seed oil, and olive oil spiked with BaP at three levels (10, 1, and 0...
February 14, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/29580528/sorting-out-the-phytoprostane-and-phytofuran-profile-in-vegetable-oils
#8
Raúl Domínguez-Perles, Ángel Abellán, Daniel León, Federico Ferreres, Alexander Guy, Camille Oger, Jean Marie Galano, Thierry Durand, Ángel Gil-Izquierdo
Phytoprostanes (PhytoPs) and phytofurans (PhytoFs) are prostaglandin-like compounds, contributing to defense signaling and prevention of cellular damage. These plant oxylipins result from autoxidation of α-linolenic acid (ALA) and have been proposed as new bioactive compounds due to their structural analogies with isoprostanes (IsoPs) and prostanoids derived from arachidonic acid in mammals, which have demonstrated diverse biological activities. The present work assesses a wide range of vegetable oils - including extra virgin olive oils (n = 7) and flax, sesame, argan, safflower seed, grapeseed, and palm oils - for their content of PhytoPs and PhytoFs...
May 2018: Food Research International
https://www.readbyqxmd.com/read/29531231/genome-wide-identification-and-expression-analyses-of-genes-involved-in-raffinose-accumulation-in-sesame
#9
Jun You, Yanyan Wang, Yujuan Zhang, Komivi Dossa, Donghua Li, Rong Zhou, Linhai Wang, Xiurong Zhang
Sesame (Sesamum indicum L.) is an important oilseed crop. However, multiple abiotic stresses severely affect sesame growth and production. Raffinose family oligosaccharides (RFOs), such as raffinose and stachyose, play an important role in desiccation tolerance of plants and developing seeds. In the present study, three types of key enzymes, galactinol synthase (GolS), raffinose synthase (RafS) and stachyose synthase (StaS), responsible for the biosynthesis of RFOs were identified at the genome-wide scale in sesame...
March 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29503429/-metabolism-of-sesamin-and-drug-sesamin-interaction
#10
Toshiyuki Sakaki, Kaori Yasuda, Miyu Nishikawa, Shinichi Ikushiro
 Sesamin, derived from sesame seeds, is known to have various biological effects. Since some of these effects appear to be derived from its metabolites, the elucidation of sesamin metabolism is essential to understanding the molecular mechanism of its effects. In addition, it is important to clarify drug-sesamin interactions in order to address safety concerns, as some food factors are known to affect drug metabolism. Our previous studies revealed that sesamin was sequentially metabolized by cytochrome P450 (CYP) and UDP-glucuronosyltransferase or sulfotransferase...
2018: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/29471789/melanin-embedded-materials-effectively-remove-hexavalent-chromium-cr-vi-from-aqueous-solution
#11
An Manh Cuong, Nguyen Thi Le Na, Pham Nhat Thang, Trinh Ngoc Diep, Ly Bich Thuy, Nguyen Lai Thanh, Nguyen Dinh Thang
BACKGROUND: Currently, it is recognized that water polluted with toxic heavy metal ions may cause serious effects on human health. Therefore, the development of new materials for effective removal of heavy metal ions from water is still a widely important area. Melanin is being considered as a potential material for removal of heavy metal from water. METHODS: In this study, we synthesized two melanin-embedded beads from two different melanin powder sources and named IMB (Isolated Melanin Bead originated from squid ink sac) and CMB (Commercial Melanin Bead originated from sesame seeds)...
February 23, 2018: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29462660/evaluation-of-the-medical-devices-benchmark-materials-in-the-controlled-human-patch-testing-and-in-the-rhe-in-vitro-skin-irritation-protocol
#12
Helena Kandárová, Hana Bendova, Silvia Letasiova, Kelly P Coleman, Wim H De Jong, Dagmar Jírova
Several irritants were used in the in vitro irritation medical device round robin. The objective of this study was to verify their irritation potential using the human patch test (HPT), an in vitro assay, and in vivo data. The irritants were lactic acid (LA), heptanoic acid (HA), sodium dodecyl sulfate (SDS), Genapol® X-80 (GP), and Y-4 polymer. Dilute saline and sesame seed oil (SSO) solutions of each were evaluated using a 4 and 18 h HPT and the EpiDerm™ SIT-MD RhE assay; results were then compared to existing rabbit skin irritation test data...
February 17, 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29455637/molecular-dynamics-of-interaction-of-sesamin-and-related-compounds-with-the-cancer-marker-%C3%AE-catenin-an-in-silico-study
#13
Bindu Madhuri Cavuturu, Vishwambar Vishnu Bhandare, Amutha Ramaswamy, Neelakantan Arumugam
By virtue of their regulatory role in the biological process, certain protein-protein complexes form potential targets for designing and discovery of drugs. Alteration set in the controlled formation of such complexes results in dysregulation of several metabolic processes, leading to diseased condition. β-catenin/Tcf4 complex is one such protein-protein complex found altered in colorectal epithelial cells resulting in activation of target genes leading to cancer. Recently, certain lignans from seeds of the oil crop sesame were found inhibiting initiation and progression of this type of cancer...
March 12, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29387365/quality-properties-of-puffed-corn-snacks-incorporated-with-sesame-seed-powder
#14
Fataneh Hashempour-Baltork, Mohammadali Torbati, Sodeif Azadmard-Damirchi, Geoffrey P Savage
Puffed corn snacks are tasty and affordable cereal-based food products which have a relatively poor nutritional quality. Sesame seed is a rich source of essential amino and fatty acids, phenolic compounds, tocopherols, and antioxidants. In this study, puffed corn snacks were produced by incorporating sesame powder at 0% (control sample), 5%, 10%, and 15% levels in its formulation and stored at room temperature (24°C) for 60 days. Fatty acid composition, tocopherol, sesamin and sesamolin, phenolic compounds, peroxide value (PV), acidity (AV), and sensory evaluation of the samples were determined...
January 2018: Food Science & Nutrition
https://www.readbyqxmd.com/read/29377469/component-resolved-diagnostics-demonstrates-that-most-peanut-allergic-individuals-could-potentially-introduce-tree-nuts-to-their-diet
#15
R Uotila, A K Kukkonen, W M Blom, B Remington, J Westerhout, A S Pelkonen, M J Mäkelä
BACKGROUND: Nut allergy varies from pollen cross-allergy, to primary severe allergy with life-threatening symptoms. The screening of IgE antibodies to a wide spectrum of allergens, including species-specific and cross-reactive allergens, is made possible via microarray analysis. OBJECTIVE: We sought to study the association of variable IgE sensitization profiles to clinical response in peanut-challenged children and adolescents in a birch-endemic region. In addition, we studied the avoidance of tree nuts and species-specific sensitizations...
January 29, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29322371/relationship-of-parental-genetic-distance-with-heterosis-and-specific-combining-ability-in-sesame-sesamum-indicum-l-based-on-phenotypic-and-molecular-marker-analysis
#16
Sarita K Pandey, Tapash Dasgupta, Abhishek Rathore, Anilkumar Vemula
The genetic distance analysis for selection of suitable parents has been established and effectively used in many crops; however, there is dearth of conclusive report of relationship of genetic distance analysis with heterosis in sesame. In the present study, an attempt was made to estimate the associations of genetic distances using SSR (GDSSR), seed-storage protein profiling (GDSDS) and agro-morphological traits (GDMOR) with hybrid performance. Seven parents were selected from 60 exotic and Indian genotypes based on genetic distance from clustering pattern based on SSR, seed-storage protein, morphological traits and per se performance...
January 10, 2018: Biochemical Genetics
https://www.readbyqxmd.com/read/29321596/high-resolution-31-p-nmr-spectroscopy-generates-a-quantitative-evolution-profile-of-phosphorous-translocation-in-germinating-sesame-seed
#17
Honghao Cai, Wei-Gang Chuang, Xiaohong Cui, Ren-Hao Cheng, Kuohsun Chiu, Zhong Chen, Shangwu Ding
Phosphorus metabolism and circulation are essential bio-physicochemical processes during development of a plant and have been extensively studied and known to be affected by temperature, humidity, lighting, hormones etc. However, a quantitative description of how various phosphorous species evolve over time has not been reported. In this work, a combined 31 P liquid and solid state NMR spectroscopic methodology is employed, supported by a new extraction scheme and data analysis method, to carry out a quantitative investigation of phosphorous circulation in germinating sesame seeds in dark and under illumination with and without adding a growth hormone...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29280987/anti-inflammatory-and-skin-barrier-repair-effects-of-topical-application-of-some-plant-oils
#18
REVIEW
Tzu-Kai Lin, Lily Zhong, Juan Luis Santiago
Plant oils have been utilized for a variety of purposes throughout history, with their integration into foods, cosmetics, and pharmaceutical products. They are now being increasingly recognized for their effects on both skin diseases and the restoration of cutaneous homeostasis. This article briefly reviews the available data on biological influences of topical skin applications of some plant oils (olive oil, olive pomace oil, sunflower seed oil, coconut oil, safflower seed oil, argan oil, soybean oil, peanut oil, sesame oil, avocado oil, borage oil, jojoba oil, oat oil, pomegranate seed oil, almond oil, bitter apricot oil, rose hip oil, German chamomile oil, and shea butter)...
December 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29273980/biorational-substitution-of-piperonyl-butoxide-in-organic-production-effectiveness-of-vegetable-oils-as-synergists-for-pyrethrums
#19
Patrice A Marchand, Claire Dimier-Vallet, Rodolphe Vidal
Piperonyl butoxide is a semi-synthetic synergist for natural pyrethrum and synthetic pyrethroid insecticides in phytochemicals and biocides. As such it is used in large quantities for crop treatments, stored grain protection, disinfestation of grain storage facilities and indoor uses. Piperonyl butoxide is consequently a regular contaminant in stored grains, and subsequently in corresponding cereal food products and meat via feed uses. Therefore it is regularly monitored and its MRL is ongoing a reassessment...
December 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29238277/the-incidence-of-alternaria-species-associated-with-infected-sesamum-indicum-l-seeds-from-fields-of-the-punjab-pakistan
#20
Brian Gagosh Nayyar, Steve Woodward, Luis A J Mur, Abida Akram, Muhammad Arshad, S M Saqlan Naqvi, Shaista Akhund
Sesame ( Sesamum indicum ) is an important oil seed crop of Asia. Yields can be negatively impacted by various factors, including disease, particularly those caused by fungi which create problems in both production and storage. Foliar diseases of sesame such as Alternaria leaf blight may cause significant yield losses, with reductions in plant health and seed quality. The work reported here determined the incidence of Alternaria species infecting sesame seeds grown in the Punjab, Pakistan. A total of 428 Alternaria isolates were obtained from 105 seed samples and grouped into 36 distinct taxonomic groups based on growth pattern and morphological characters...
December 2017: Plant Pathology Journal
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