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https://www.readbyqxmd.com/read/28524020/altered-gene-expression-of-epigenetic-modifying-enzymes-in-response-to-dietary-supplementation-with-linseed-oil
#1
Ran Li, Eveline M Ibeagha-Awemu
Recently we showed that 5% linseed oil (LSO) and 5% safflower oil (SFO) supplementation of cow's diets reduced milk fat yield by 30·38 and 32·42% respectively, accompanied by differential expression of genes and regulation by microRNAs (miRNA). This research communication addresses the hypothesis that epigenetic regulation could be involved in the observed milk fat reduction. Thus, this study investigated the gene expression pattern of major epigenetic modifying enzymes in response to dietary supplementation with LSO or SFO...
May 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28468657/hsya-alleviates-secondary-neuronal-death-through-attenuating-oxidative-stress-inflammatory-response-and-neural-apoptosis-in-sd-rat-spinal-cord-compression-injury
#2
Jun-Peng Pei, Li-Hong Fan, Kai Nan, Jia Li, Xiao-Qian Dang, Kun-Zheng Wang
BACKGROUND: Hydroxysafflor yellow A (HSYA) is a major active component of yellow pigment extracted from safflowers; this compound possesses potent neuroprotective effects both in vitro and in vivo. However, underlying mechanism of HSYA is not fully elucidated. The present study investigated the protective effects of HSYA in rat spinal cord compression injury model and related mechanisms involved. METHODS: Sprague-Dawley rats were divided as Sham, Control, and HSYA groups (n = 30 per group)...
May 3, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28465837/a-moderate-zinc-deficiency-does-not-alter-lipid-and-fatty-acid-composition-in-the-liver-of-weanling-rats-fed-diets-rich-in-cocoa-butter-or-safflower-oil
#3
Edgar Weigand, Jennifer Egenolf
The aim of the study was to examine whether a moderate zinc deficiency alters hepatic lipid composition. Male weanling rats, assigned to five groups (8 animals each), were fed low-carbohydrate high-fat diets supplemented with 7 or 50 mg Zn/kg (LZ or HZ) and 22% cocoa butter (CB) or 22% safflower oil (SF) for four weeks. One group each had free access to the LZ-CB and LZ-SF diets, one group each was restrictedly fed the HZ-CB and HZ-SF diets in matching amounts, and one group had free access to the HZ-SF diet (ad libitum control)...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28460985/phase-behavior-structure-and-rheology-of-candelilla-wax-fully-hydrogenated-soybean-oil-mixtures-with-and-without-vegetable-oil
#4
N O Ramírez-Gómez, N C Acevedo, J F Toro-Vázquez, J J Ornelas-Paz, E Dibildox-Alvarado, J D Pérez-Martínez
Vegetable oil organogelation is one of the most promising strategies to eliminate trans fatty acids in plastic fats. Organogels prepared with edible wax are stable at refrigerator and room temperature. Some functional properties (i.e., texture) of wax organogels can be improved by adding saturated triacylglycerols. Mixtures of fully hydrogenated soybean oil (FH) and candelilla wax (CW) were studied with and without the addition of high oleic safflower oil (HOSFO). Crystallization and melting behavior, X-ray diffraction, and crystalline microstructure of the mixtures were analyzed...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28429184/interactive-effects-of-salicylic-acid-and-nitric-oxide-in-alleviating-zinc-toxicity-of-safflower-carthamus-tinctorius-l
#5
Shahram Namdjoyan, Hossein Kermanian, Ali Abolhasani Soorki, Sedigheh Modarres Tabatabaei, Nazli Elyasi
The purpose of this study was to assess the possible protective role of exogenous salicylic acid (SA), sodium nitroprusside (SNP), a donor of nitric oxide, and their combination on 21-day-old safflower (Carthamus tinctorius L.) seedlings grown under zinc (Zn) stress. The results revealed that exposure to 500 µM ZnSO4.7H2O for 10 days markedly reduced the root and shoot dry weights in Zn-treated plants, while the application of SA, SNP and specially SA + SNP significantly increased the root and shoot dry weights in seedlings subjected to Zn stress...
April 20, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28386235/polyunsaturated-fatty-acids-stimulate-de-novo-lipogenesis-and-improve-glucose-homeostasis-during-refeeding-with-high-fat-diet
#6
Raffaella Crescenzo, Arianna Mazzoli, Rosa Cancelliere, Francesca Bianco, Antonia Giacco, Giovanna Liverini, Abdul G Dulloo, Susanna Iossa
Aims: The recovery of body weight after a period of caloric restriction is accompanied by an enhanced efficiency of fat deposition and hyperinsulinemia-which are exacerbated by isocaloric refeeding on a high fat diet rich in saturated and monounsaturated fatty acids (SFA-MUFA), and poor in polyunsaturated fatty acids (PUFA), and associated with a blunting of de novo lipogenesis in adipose tissue and liver. As high fat diets rich in PUFA have been shown to limit the excess fat deposition and improve glucose homeostasis, we investigated here the extent to which de novo lipogenesis in liver and adipose tissues (white and brown), as well as hepatic oxidative stress, are influenced by refeeding on diets rich in PUFA...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28372231/novel-quantitative-real-time-pcr-approach-to-determine-safflower-carthamus-tinctorius-adulteration-in-saffron-crocus-sativus
#7
Caterina Villa, Joana Costa, M Beatriz P P Oliveira, Isabel Mafra
This work intended to develop DNA-based methods to detect and quantify safflower as an adulterant in saffron. Species-specific PCR and real-time PCR with EvaGreen dye targeting the ITS region of Carthamus tinctorius L. (safflower) were successfully proposed. The assays allowed absolute and relative sensitivities of 2pg of safflower DNA (∼1.4 DNA copies) and 0.1% of safflower in saffron (Crocus sativus L.), respectively. A normalised real-time PCR approach was also proposed in the range of 0.1-20% (w/w) of safflower in saffron, which was successfully validated and applied to commercial saffron samples (stigmas, powders and seasonings)...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28342600/temporal-changes-in-milk-fatty-acid-distribution-due-to-feeding-different-levels-of-rolled-safflower-seeds-to-lactating-holstein-cows
#8
Amir Ahmadpour, Hassan Aliarabi, Mohammad Ghelich Khan, Robert A Patton, Rupert M Bruckmaier
The objective of this experiment was to follow the time-course changes of the milk fatty acids (FA) and particularly conjugated linoleic acid (CLA), n-3, and n-6 FA in response to feeding whole rolled safflower seed (SS). Eighteen cows were blocked by milk production, days in milk, and parity, and randomly assigned to 1 of 3 diets by replacing whole cottonseed with SS. The control diet contained no SS (SS0), whereas the other diets contained 3% of dry matter as SS (SS3) or 6% SS (SS6). The study was conducted for 8 wk...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28330253/parameters-influencing-agrobacterium-mediated-transformation-system-in-safflower-genotypes-aks-207-and-pkv-pink
#9
Dipti Raghunath Dhumale, Prashant Raghunath Shingote, Mahendra Shankarrao Dudhare, Pravin Vishwanath Jadhav, Prashant Bhaskar Kale
Shoot regeneration in safflower (Carthamus tinctorius 'AKS 207' and 'PKV Pink') genetically transformed using Agrobacterium was used for assessing various constraints to the efficiency of transformation including infection period, virulence induction medium, co-cultivation period, bacterial titre, selection regime, and the natural phenolic compound acetosyringone. Transformation frequency was promising with 8-10-day-old cotyledonary leaf explants. Therefore, explants of that age cultured on Agrobacterium minimal medium (AB) containing 100 µM acetosyringone were infected with Agrobacterium (cell titre 0...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28290280/combined-effect-of-shearing-and-cooling-rate-on-the-rheology-of-organogels-developed-by-selected-gelators
#10
A De la Peña-Gil, F M Álvarez-Mitre, M M González-Chávez, M A Charó-Alonso, J F Toro-Vazquez
In this study we investigated the combined effect of shearing and cooling rate in the rheology of organogels developed in high oleic safflower oil by (R)-12-hydroxystearic acid (HSA), its primary amide derivative [(R)-12-hydroxyoctadecanamide, HOA], and the N-octadecyl derivative of HOA [(R)-N-octadecyl-12-hydroxyoctadecanamide, OHOA]. The experimental set up to develop the organogels involved: 1). The use of quiescent (0s(-1)) or shearing (300, 600, and 1200s(-1)) conditions during cooling the gelator solutions (2%) just until achieving the gelator's melting temperature (TM) in the vegetable oil, to then continuing the cooling under static conditions until achieving 15°C) The use of cooling rate protocols involving a constant cooling rate of 1°C/min (CR1) or 10°C/min (CR10) in the shearing and static stages, or variable cooling rates in each stage (i...
March 2017: Food Research International
https://www.readbyqxmd.com/read/28277823/the-impact-of-virgin-coconut-oil-and-high-oleic-safflower-oil-on-body-composition-lipids-and-inflammatory-markers-in-postmenopausal-women
#11
RANDOMIZED CONTROLLED TRIAL
Margaret Harris, Andrea Hutchins, Lisa Fryda
This randomized crossover study compared the impact of virgin coconut oil (VCO) to safflower oil (SO) on body composition and cardiovascular risk factors. Twelve postmenopausal women (58.8 ± 3.7 year) consumed 30 mL VCO or SO for 28 days, with a 28-day washout. Anthropometrics included body weight and hip and waist circumference. Fat percent for total body, android and gynoid, fat mass, and lean mass were measured using dual-energy X-ray absorptiometry. Women maintained their typical diet recording 28 days of food records during the study...
April 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28242902/melting-crystallization-and-storage-stability-of-virgin-coconut-oil-and-its-blends-by-differential-scanning-calorimetry-dsc-and-fourier-transform-infrared-spectroscopy-ftir
#12
Yashi Srivastava, Anil Dutt Semwal, Vallayil Appukuttan Sajeevkumar, G K Sharma
The blends were prepared of virgin coconut oil with refined soyabean oil (VCO-RSOY) and refined safflower oil (VCO-RSAFF). Blending with VCO improved the fatty acid composition which increased the shelf stability of 20:80 VCO-RSOY and VCO-RSAFF up to 12 months in different packaging systems such as low density polyethylene, linear low density polyethylene, metalized polyester pouches, polyethylene teteraphthalate, high density polyethylene (HDPE), Amber HDPE bottle. The specific spectral regions of FTIR proved to be very useful for the determination of adulteration as well as for the study of oxidation process...
January 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28193018/thin-layer-chromatography-desorption-atmospheric-pressure-photoionization-orbitrap-mass-spectrometry-of-lipids
#13
Jan Rejšek, Vladimír Vrkoslav, Anu Vaikkinen, Markus Haapala, Tiina J Kauppila, Risto Kostiainen, Josef Cvačka
Desorption atmospheric pressure photoionization (DAPPI) allows surface analysis in the open atmosphere and is thus an appropriate method for the direct coupling of thin-layer chromatography (TLC) and mass spectrometry (MS). Here, the capability of DAPPI-MS for ionizing and detecting lipids, namely, cholesterol, triacylglycerols, 1,2-diol diesters, wax esters, cholesteryl esters, and hydrocarbons, from TLC and high-performance thin-layer chromatography (HPTLC) plates in MS and MS(2) modes was tested. Limits of detection for lipid standards separated using normal-phase (NP)-TLC and NP-HPTLC were established...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28192173/evaluation-of-the-sub-chronic-toxicity-of-a-standardized-flavonoid-extract-of-safflower-in-rats
#14
Zhilin Zhang, Runzhe Liu, Xiaoping Pu, Yi Sun, Xin Zhao
Carthamus tinctorius L., or safflower, is an annual herbaceous crop belonging to the family Asteraceae, which is cultivated throughout China and used as a traditional Chinese medicine. Our previous study revealed anti-Parkinson's disease effects of an isolated standardized safflower flavonoid extract (SAFE). The purpose of this study is to evaluate the potential sub-chronic toxicity of SAFE. Male and female Sprague Dawley rats received three doses of SAFE (100, 300, and 500 mg/kg) q.d. by gavage for four weeks...
April 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28188639/effect-of-unconventional-oilseeds-safflower-poppy-hemp-camelina-on-in-vitro-ruminal-methane-production-and-fermentation
#15
Shaopu Wang, Michael Kreuzer, Ueli Braun, Angela Schwarm
BACKGROUND: Dietary supplementation with oilseeds can reduce methane emission in ruminants, but only a few common seeds have been tested so far. This study tested safflower (Carthamus tinctorius), poppy (Papaver somniferum), hemp (Cannabis sativa), and camelina (Camelina sativa) seeds in vitro using coconut (Cocos nucifera) oil and linseed (Linum usitatissimum) as positive controls. RESULTS: All the tested oilseeds suppressed methane yield (ml g(-1) dry matter, up to 21%) compared to the non-supplemented control when provided at 70 g oil kg(-1) dry matter, and they were as effective as coconut oil...
February 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28166982/dietary-polyunsaturated-fatty-acid-supplementation-of-young-post-pubertal-dairy-bulls-alters-the-fatty-acid-composition-of-seminal-plasma-and-spermatozoa-but-has-no-effect-on-semen-volume-or-sperm-quality
#16
C J Byrne, S Fair, A M English, S A Holden, J R Dick, P Lonergan, D A Kenny
The aim of this study was to examine the effects of dietary supplementation with rumen protected n-6 or n-3 polyunsaturated fatty acids (PUFA) on the quantity and quality of semen from young post-pubertal dairy bulls. Pubertal Holstein-Friesian (n = 43) and Jersey (n = 7) bulls with a mean ± s.e.m. age and bodyweight of 420.1 ± 5.86 days and 382 ± 8.94 kg, respectively, were blocked on breed, weight, age and semen quality (based on the outcomes of two pre-trial ejaculates) and randomly assigned to one of three treatments: (i) a non-supplemented control (CTL, n = 15), (ii) rumen-protected safflower (SO, n = 15), (iii) rumen-protected n-3 PUFA-enriched fish oil (FO, n = 20)...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28139227/preparation-of-hydrophilic-interaction-ion-exchange-mixed-mode-chromatographic-stationary-phase-with-adjustable-selectivity-by-controlling-different-ratios-of-the-co-monomers
#17
Chunmiao Bo, Xiaomeng Wang, Chaozhan Wang, Yinmao Wei
Development of mixed-mode chromatography (MMC) stationary phase with adjustable selectivity is beneficial to meet the needs of complex samples. In this work, surface-initiated atom transfer radical polymerization (SI-ATRP) using the mixture of two functional monomers was proposed as a new preparation strategy for MMC stationary phase with adjustable selectivity. The mixture of sodium 4-styrenesulfonate (NASS) and dimethylaminoethyl methacrylate (DMAEMA) underwent SI-ATRP to bond poly(NASS-co-DMAEMA) on the surface of silica to prepare hydrophilic interaction/ion-exchange mixed-mode stationary phase...
March 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28125600/conjugated-linoleic-acid-administration-induces-amnesia-in-male-sprague-dawley-rats-and-exacerbates-recovery-from-functional-deficits-induced-by-a-controlled-cortical-impact-injury
#18
Rastafa I Geddes, Kentaro Hayashi, Quinn Bongers, Marlyse Wehber, Icelle M Anderson, Alex D Jansen, Chase Nier, Emily Fares, Gabrielle Farquhar, Amita Kapoor, Toni E Ziegler, Sivan VadakkadathMeethal, Ian M Bird, Craig S Atwood
Long-chain polyunsaturated fatty acids like conjugated linoleic acids (CLA) are required for normal neural development and cognitive function and have been ascribed various beneficial functions. Recently, oral CLA also has been shown to increase testosterone (T) biosynthesis, which is known to diminish traumatic brain injury (TBI)-induced neuropathology and reduce deficits induced by stroke in adult rats. To test the impact of CLA on cognitive recovery following a TBI, 5-6 month old male Sprague Dawley rats received a focal injury (craniectomy + controlled cortical impact (CCI; n = 17)) or Sham injury (craniectomy alone; n = 12) and were injected with 25 mg/kg body weight of Clarinol® G-80 (80% CLA in safflower oil; n = 16) or saline (n = 13) every 48 h for 4 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28107970/a-new-analytical-method-for-quantification-of-olive-and-palm-oil-in-blends-with-other-vegetable-edible-oils-based-on-the-chromatographic-fingerprints-from-the-methyl-transesterified-fraction
#19
Ana M Jiménez-Carvelo, Antonio González-Casado, Luis Cuadros-Rodríguez
A new analytical method for the quantification of olive oil and palm oil in blends with other vegetable edible oils (canola, safflower, corn, peanut, seeds, grapeseed, linseed, sesame and soybean) using normal phase liquid chromatography, and applying chemometric tools was developed. The procedure for obtaining of chromatographic fingerprint from the methyl-transesterified fraction from each blend is described. The multivariate quantification methods used were Partial Least Square-Regression (PLS-R) and Support Vector Regression (SVR)...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28096971/carthamus-tinctorius-l-ameliorates-brain-injury-followed-by-cerebral-ischemia-reperfusion-in-rats-by-antioxidative-and-anti-inflammatory-mechanisms
#20
Pin-Kuei Fu, Tai-Long Pan, Chi-Yu Yang, Kee-Ching Jeng, Nou-Ying Tang, Ching-Liang Hsieh
OBJECTIVES: Carthamus tinctorius L. (CT) or safflower is widely used in traditional Chinese medicine. This study investigated the effects of CT extract (CTE) on ischemia-reperfusion (I/R) brain injury and elucidated the underlying mechanism. MATERIALS AND METHODS: The I/R model was conducted by occlusion of both common carotid arteries and right middle cerebral artery for 90 min followed by 24 hr reperfusion in Sprague-Dawley rats. CTE (0.2-0.6 g/kg) was administered intraperitoneally before and during ischemia, and during reperfusion period...
December 2016: Iranian Journal of Basic Medical Sciences
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