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https://www.readbyqxmd.com/read/29679909/mechanisms-of-the-active-components-from-korean-pine-nut-preventing-and-treating-d-galactose-induced-aging-rats
#1
Jianmei Zhang, Weiwei Lin, Ruijun Wu, Yanmeng Liu, Kai Zhu, Jinyu Ren, Sufang Zhang, Xiaomei Ling
Age-related neuronal injury and oxidative damage are the predominant factors for neurodegenerative diseases like Alzheimer's disease (AD). The aim of this study was to explore whether chronic administration of d-galactose (d-gal) can cause neuronal injury and oxidative damage, and to investigate the neuroprotective and antioxidative effects of the active components (UPNO-1) from Korean pine nut (Pinus koraiensis). Two dosing regimens were designed, one for the evaluation of preventive effects in which the rats were simultaneously administrated d-gal and UPNO-1/fishoil for 12 weeks, the other for the evaluation of therapeutic effects in which the rats were given d-gal for 8 weeks before treated with UPNO-1/selegiline for 8 weeks...
April 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29548439/secondary-structure-changes-induced-by-pulsed-electric-field-affect-antioxidant-activity-of-pentapeptides-from-pine-nut-pinus-koraiensis-protein
#2
Rong Liang, Sheng Cheng, Xiuying Wang
We used a pulsed electric field (PEF) to treat four pentapeptides with similar amino acid sequences (KCHKP, KCHQP, QCHKP, and QCHQP). We then evaluated antioxidant activity of the pentapeptides according to ferric reducing antioxidant power (FRAP) and hydroxyl radical scavenging capacity. Structures of the peptides were determined by high performance liquid chromatography (HPLC), mid-infrared (MIR), circular dichroism (CD) spectroscopy, and nuclear magnetic resonance (NMR). The results indicated that antioxidant activities of KCHQP and QCHKP were increased by PEF, whereas those of KCHKP and QCHQP were reduced...
July 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29514652/the-relationship-between-nut-intake-and-risk-of-colorectal-cancer-a-case-control-study
#3
Jeeyoo Lee, Aesun Shin, Jae Hwan Oh, Jeongseon Kim
BACKGROUND: Nut consumption is known to reduce the risk of obesity, diabetes mellitus, and cardiovascular disease. However, in previous studies, portion sizes and categories of nut consumption have varied, and few studies have assessed the association between colorectal cancer risk and nut consumption. In this study, we investigated the relationship between nut consumption and colorectal cancer risk. METHODS: A case-control study was conducted among 923 colorectal cancer patients and 1846 controls recruited from the National Cancer Center in Korea...
March 7, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29449078/-cacogeusia-and-ingestion-of-pine-nuts
#4
Y Rando-Matos, R Pacheco-Sena
No abstract text is available yet for this article.
February 12, 2018: Semergen
https://www.readbyqxmd.com/read/29448590/catalytic-pyrolysis-of-korean-pine-pinus-koraiensis-nut-shell-over-mesoporous-al%C3%A2-o%C3%A2
#5
Young-Min Kim, Gwang Hoon Rhee, Chang Hyun Ko, Tae Uk Han, Sang Chai Kim, Young-Kwon Park
The catalytic pyrolysis of waste Korean pine nut shell (KPNS) over mesoporous Al2O3 was investigated by thermogravimetric analysis (TGA) and pyrolyzer-gas chromatography/mass spectrometry (Py-GC/MS). TGA results showed that the thermal and catalytic pyrolysis of KPNS over mesoporous Al2O3 has the same decomposition temperature. On the other hand, the maximum decomposition for the catalytic pyrolysis of KPNS over commercial-Al2O3 shifted to a higher temperature. The Py-GC/MS results indicated that large amounts of oxygen-containing pyrolyzates, such as acids, furans, levoglucosan, and phenols, were produced by the non-catalytic pyrolysis of KPNS...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29395441/pine-nut-allergy-in-korean-children-clinical-characteristics-and-diagnostic-values-of-specific-ige-against-pine-nuts
#6
E Lee, K Jeong, J Lee, S Lee
BACKGROUND: Hypersensitivity reactions to pine nuts in children have been occasionally encountered recently, although reports on pine nut allergy cases are rare worldwide. The study aimed to feature clinical and laboratory findings pertaining to pine nut allergy in Korean children. METHODS: Forty-two subjects were enrolled through a retrospective review of medical records, from September 2010 to December 2015, at the Department of Pediatrics in Ajou University Hospital...
May 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29389612/moisture-absorption-and-dynamic-flavor-changes-in-hydrolysed-and-freeze-dried-pine-nut-pinus-koraiensis-by-products-during-storage
#7
Songyi Lin, Ruiwen Yang, Sheng Cheng, Ke Wang, Lei Qin
In the present study, two different fractions of pine nut (Pinus koraiensis) protein hydrolysate powder (PNPHP1-3kDa and PNPHP3-10kDa ) were prepared and stored for fifteen days at 25°C and 50% relative humidity. Changes in moisture absorption, secondary structure and flavor compounds were measured at various time intervals over fifteen days. Results showed that the PNPHP3-10kDa had higher moisture absorption capacity from day 6 to day 15 and that the secondary structure of two PNPHP fractions was changed...
January 2018: Food Research International
https://www.readbyqxmd.com/read/29337283/variability-studies-of-allochthonous-stone-pine-pinus-pinea-l-plantations-in-chile-through-nut-protein-profiling
#8
V Loewe, R M Navarro-Cerrillo, R Sánchez Lucas, F J Ruiz Gómez, J Jorrín-Novo
Stone pine (Pinus pinea) is characterized by low differentiation of growth parameters, high phenotypic plasticity and low genetic variability; detecting its diversity in introduced Chilean populations is therefore relevant for conservation and breeding programs. Here, variability among allochthonous Stone pine populations in Chile was explored using electrophoresis-based proteomic analysis of pine nuts. Cones from 30 populations distributed along a climatic gradient in Chile were surveyed and sampled, and proteins were extracted from seed flour using the TCA-acetone precipitation protocol...
March 20, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29259614/the-value-of-native-plants-and-local-production-in-an-era-of-global-agriculture
#9
REVIEW
Oren Shelef, Peter J Weisberg, Frederick D Provenza
For addressing potential food shortages, a fundamental tradeoff exists between investing more resources to increasing productivity of existing crops, as opposed to increasing crop diversity by incorporating more species. We explore ways to use local plants as food resources and the potential to promote food diversity and agricultural resilience. We discuss how use of local plants and the practice of local agriculture can contribute to ongoing adaptability in times of global change. Most food crops are now produced, transported, and consumed long distances from their homelands of origin...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29202922/simultaneous-analysis-of-multiple-allergens-in-food-products-by-lc-ms-ms
#10
Lee Sun New, Andre Schreiber, Jianru Stahl-Zeng, Hua-Fen Liu
There is currently no cure for food allergies, and sufferers can only rely on the correct labeling of foods to avoid allergens. Hence, it is important that analytical methods are sensitive and accurate enough to screen for the presence of multiple allergens in food products. In this study, we developed an LC-tandem MS method that is able to simultaneously screen or quantify the signature tryptic peptides of multiple allergen commodities. This method is capable of screening and identifying egg white, skim milk, peanut, soy, and tree nuts (almond, Brazil nut, cashew, hazelnut, pecan, pine nut, pistachio, and walnut) at a detection limit of 10 ppm in incurred bread and cookies...
January 1, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/28977729/is-the-profile-of-fatty-acids-tocopherols-and-amino-acids-suitable-to-differentiate-pinus-armandii-suspicious-to-be-responsible-for-the-pine-nut-syndrome-from-other-pinus-species
#11
Bertrand Matthäus, Peiwu Li, Fei Ma, Haiyan Zhou, Jun Jiang, Mehmet Musa Özcan
Pinus armandii is suspicious to be responsible for the Pine Nut Syndrome, a long lasting bitter and metallic taste after the consumption of pine nuts. To find chemical characteristic features for the differentiation of P. armandii from other Pinus species, 41 seed samples of the genus Pinus from 22 plant species were investigated regarding the content and the composition of fatty acids, tocopherols, and amino acids. The predominant fatty acids in the seed oils were linoleic acid (35.2 - 58.2 g/100 g), oleic acid (14...
January 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28871829/effects-of-high-hydrostatic-pressure-on-the-functional-and-rheological-properties-of-the-protein-fraction-extracted-from-pine-nuts
#12
Baiying Cao, Li Fang, Chunlei Liu, Weihong Min, Jingsheng Liu
High hydrostatic pressure treatments could increase the protein solubility (200 MPa), water holding capacity (400 MPa), and oil holding capacity (400 MPa) of pine nuts protein fractions, respectively. The exposed sufhydryl content for albumin was highest at 100 MPa while for other fractions it was 400 MPa, contrary for total sufhydryl content-generally it was at 100 MPa, except glutelin (400 MPa). Pine nuts protein fractions demonstrated the typical behavior of weak gels (G' > G″). After the treatments of high hydrostatic pressure the specific surface area of pine nuts protein particle was increased upon pressure, and the surface of protein became rough which increased the particle size...
January 2018: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28764069/effects-of-pulsed-electric-field-on-intracellular-antioxidant-activity-and-antioxidant-enzyme-regulating-capacities-of-pine-nut-pinus-koraiensis-peptide-qdhch-in-hepg2-cells
#13
Rong Liang, Zuoming Zhang, Songyi Lin
Effects of pulse electric field (PEF) on antioxidant activity of pine nut (Pinus koraiensis) peptide were discussed using H2O2-induced HepG2 cells and changes of peptide structures were measured by MIR, NMR and CD spectra. Using HPLC-MS/MS, a novel peptide was identified as QDHCH. After PEF treatment the DPPH and ABTS radical inhibition, and CAA values of QDHCH were increased to 85.13%±0.17%, 95.45%±0.12%, and 4670.10μmol of quercetin equivalents/100g. The PEF-treated QDHCH has better protective oxidative stress inhibitory of 74...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28677356/age-based-causes-and-clinical-characteristics-of-immediate-type-food-allergy-in-korean-children
#14
Kyunguk Jeong, Jihyun Kim, Kangmo Ahn, So Yeon Lee, Taek Ki Min, Bok Yang Pyun, Yoon Hee Kim, Kyung Won Kim, Myung Hyun Sohn, Kyu Earn Kim, Gwang Cheon Jang, Tae Won Song, Jung Hee Kim, You Hoon Jeon, Yong Ju Lee, Yong Mean Park, Hye Yung Yum, Hyun Hee Kim, Woo Kyung Kim, Sooyoung Lee
PURPOSE: Age-based causes and clinical characteristics of immediate-type food allergy (FA) have not been sufficiently studied. Therefore, we investigated age-dependent clinical profiles of FA in Korean children through an extensive multicenter investigation. METHODS: Using a case report form developed by the authors, a retrospective medical record review was performed of patients (0-18 years old) diagnosed with immediate-type FA between September 2014 and August 2015 in 14 tertiary hospitals in Korea...
September 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28414256/salmonella-survival-kinetics-on-pecans-hazelnuts-and-pine-nuts-at-various-water-activities-and-temperatures
#15
Sofia Santillana Farakos, Régis Pouillot, Susanne E Keller
The impact of temperature, water activity (aw), and nut composition on Salmonella survival on tree nuts has not been thoroughly examined. The aim of this study was to determine the effect of temperature, aw, and nut composition on the survival of Salmonella on tree nuts and develop predictive models. Pecans, hazelnuts, and pine nuts were chosen based on differences in their typical fat content. Nuts were inoculated with a cocktail of five Salmonella serotypes (11 log CFU/mL) and then were dried and stored at 4, 10, and 25°C at 0...
April 17, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28273061/neanderthal-behaviour-diet-and-disease-inferred-from-ancient-dna-in-dental-calculus
#16
Laura S Weyrich, Sebastian Duchene, Julien Soubrier, Luis Arriola, Bastien Llamas, James Breen, Alan G Morris, Kurt W Alt, David Caramelli, Veit Dresely, Milly Farrell, Andrew G Farrer, Michael Francken, Neville Gully, Wolfgang Haak, Karen Hardy, Katerina Harvati, Petra Held, Edward C Holmes, John Kaidonis, Carles Lalueza-Fox, Marco de la Rasilla, Antonio Rosas, Patrick Semal, Arkadiusz Soltysiak, Grant Townsend, Donatella Usai, Joachim Wahl, Daniel H Huson, Keith Dobney, Alan Cooper
Recent genomic data have revealed multiple interactions between Neanderthals and modern humans, but there is currently little genetic evidence regarding Neanderthal behaviour, diet, or disease. Here we describe the shotgun-sequencing of ancient DNA from five specimens of Neanderthal calcified dental plaque (calculus) and the characterization of regional differences in Neanderthal ecology. At Spy cave, Belgium, Neanderthal diet was heavily meat based and included woolly rhinoceros and wild sheep (mouflon), characteristic of a steppe environment...
April 20, 2017: Nature
https://www.readbyqxmd.com/read/28207311/prevalence-of-salmonella-in-cashews-hazelnuts-macadamia-nuts-pecans-pine-nuts-and-walnuts-in-the-united-states
#17
Guodong Zhang, Lijun Hu, David Melka, Hua Wang, Anna Laasri, Eric W Brown, Errol Strain, Marc Allard, Vincent K Bunning, Steven M Musser, Rhoma Johnson, Sofia Santillana Farakos, Virginia N Scott, Régis Pouillot, Jane M Van Doren, Thomas S Hammack
Nuts have been identified as a vector for salmonellosis. The objective of this project was to estimate the prevalence and contamination level of Salmonella in raw tree nuts (cashews, pecans, hazelnuts, macadamia nuts, pine nuts, and walnuts) at retail markets in the United States. A total of 3,656 samples of six types of tree nuts were collected from different types of retail stores and markets nationwide between October 2014 and October 2015. These samples were analyzed using a modified version of the Salmonella culture method from the U...
March 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28199023/analysis-of-%C3%AE-helix-unfolding-in-the-pine-nut-peptide-lys-cys-his-lys-pro-induced-by-pulsed-electric-field
#18
Jie Xing, Sitian Zhang, Mingdi Zhang, Songyi Lin
BACKGROUND: A variety of analytical techniques were applied to explore the effects of pulsed electric field (PEF) on α-helix structural changes in the novel antioxidant peptide Lys-Cys-His-Lys-Pro (KCHKP, 611.76 Da). RESULTS: The relative α-helix content of the KCHKP peptide was significantly altered from 100% to 89.91 ± 0.97% when the electric pulse frequency was 1800 Hz and the field intensity was 10 kV cm-1 . Moreover, the 1,1-diphenyl-2-pycryl-hydrazyl (DPPH) and 2,2-azinobis diammonium salt (ABTS) radical-scavenging activities of PEF-treated KCHKP were increased from 56...
September 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28198188/pinolenic-acid-in-structured-triacylglycerols-exhibits-superior-intestinal-lymphatic-absorption-as-compared-to-pinolenic-acid-in-natural-pine-nut-oil
#19
COMPARATIVE STUDY
Min-Yu Chung, Hyunjoon Woo, Juyeon Kim, Daecheol Kong, Hee-Don Choi, In-Wook Choi, In-Hwan Kim, Sang K Noh, Byung Hee Kim
The positional distribution pattern of fatty acids (FAs) in the triacylglycerols (TAGs) affects intestinal absorption of these FAs. The aim of this study was to compare lymphatic absorption of pinolenic acid (PLA) present in structured pinolenic TAG (SPT) where PLA was evenly distributed on the glycerol backbone, with absorption of pine nut oil (PNO) where PLA was predominantly positioned at the sn-3 position. SPT was prepared via the nonspecific lipase-catalyzed esterification of glycerol with free FA obtained from PNO...
March 1, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27892597/a-multicenter-study-on-anaphylaxis-caused-by-peanut-tree-nuts-and-seeds-in-children-and-adolescents
#20
MULTICENTER STUDY
K Jeong, S-Y Lee, K Ahn, J Kim, H-R Lee, D I Suh, B-Y Pyun, T K Min, J-W Kwon, K-E Kim, K W Kim, M H Sohn, Y H Kim, T W Song, J H Kwon, Y H Jeon, H Y Kim, J H Kim, Y M Ahn, S Lee
Peanut (PN) and tree nuts (TNs) are common causes of anaphylaxis in Western countries, but no information is available in Korea. To feature clinical characteristics of anaphylaxis caused by PN, TNs, and seeds, a retrospective medical record review was performed in 14 university hospitals in Korea (2009-2013). One hundred and twenty-six cases were identified, with the mean age of 4.9 years. PN, walnut (WN), and pine nut accounted for 32.5%, 41.3%, and 7.1%, respectively. The median values of specific IgE (sIgE) to PN, WN, and pine nut were 10...
March 2017: Allergy
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