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Journal of Oleo Science

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https://www.readbyqxmd.com/read/30210081/proprotein-convertase-subtilisin-kexin-type-9-is-associated-with-degenerating-adipocytes-in-abdominal-aortic-aneurysm
#1
Hiroki Tanaka, Kazunori Inuzuka, Yasunori Iida, Hideyuki Shimizu, Naoki Unno, Tetsumei Urano
Abdominal aortic aneurysm (AAA) is a common disease among the elderly. Recently, proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors have been indicated as useful therapeutic tools for the treatment of cardiovascular diseases. The aim of this study was to elucidate the role of PCSK9 in the pathogenesis of AAA. We used fluorescence immunohistochemistry to assess the expression of PCSK9 in aortic tissues resected from 24 patients with AAA. Histological examination showed that PCSK9 expression in the adventitia region of the aneurysms was decreased in AAA samples...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210080/physicochemical-rheological-and-sensory-properties-of-different-brands-of-sesame-pastes
#2
Li-Xia Hou, Cui-Cui Li, Xue-De Wang
The chemical characteristics, rheological properties and sensory evaluation of nine different brands of the sesame pastes were investigated. The sesame pastes showed a significant difference for the crude fat, protein, crude fibre, total sugars, total ash, moisture content, and acid values (p < 0.05). The fat content ranged from 51.80% to 61.56%, and the protein content varied between 16.08% and 18.97%. All sesame paste samples are pseudoplastic materials. The flow indexes lied between 0.67 and 0.81 for the tested sesame pastes (p > 0...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210079/biotransformation-of-carvone-and-carvone-by-the-common-cutworm-spodoptera-litura-larvae
#3
Shinsuke Marumoto, Yoshiharu Okuno, Yuki Hagiwara, Mitsuo Miyazawa
Biotransformation of (+)- and (-)-carvone (1 and 2) by the larvae of common cutworm (Spodoptera litura) has been investigated. (+)-Carvone was transformed to (+)-(4S)-10-hydroxycarvone (1-1), (+)-(4S)-7-hydroxycarvone (1-2), and (-)-(4S)-8,9-dihydroxy-8,9-dihydrocarvone (1-3). (-)-Carvone (2) was transformed to (-)-(4R)-10-hydroxycarvone (2-1), (-)-(4R)-7-hydroxycarvone (2-2), (+)-(4R)-8,9-dihydroxy-8,9-dihydrocarvone (2-3), and (-)-(2R,4R)-10-hydroxycarveol (2-4). The results indicate that the main metabolic reaction of carvones by S...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210078/effect-of-hazelnut-oil-on-muscle-cell-signalling-and-differentiation
#4
Ileana Terruzzi, Fernanda Vacante, Pamela Senesi, Anna Montesano, Roberto Codella, Livio Luzi
Nuts-enriched diets were shown to bear beneficial effects for human's health. Among nuts, hazelnut plays a major role in human nutrition and health because of its unique fatty acid composition (predominantly MUFA), fat soluble bioactives (tocopherols and phytosterols), vitamins (vitamin E), essential minerals (selenium), essential amino acids, antioxidant phenolics (caffeic acid), dietary fiber (soluble form), and bioactive phtytochemicals. The current study was designed to explore the cellular effects of two particular hazelnut strains (Ordu and Tonda)...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210077/quantitative-31-p-nmr-method-for-individual-and-concomitant-determination-of-phospholipid-classes-in-polar-lipid-samples
#5
Tsuyoshi Kato, Mami Nishimiya, Akiko Kawata, Kyoko Kishida, Kounosuke Suzuri, Maki Saito, Kazuhiro Fujita, Tomoji Igarashi, Minoru Inagaki
Herein, to achieve individual and concomitant quantifications of phospholipid classes, an absolute quantification 31 P NMR method using an internal standard was examined. Phospholipid standards and dietary foods were dispersed to prepare test solutions in an anionic surfactant (sodium cholate) solution containing EDTA, as a modification based on a reported method. Each phospholipid class showed a reproducible chemical shift at a near-neutral test solution pH of 6.90±0.04 and temperature of 30.0±0.1°C. The quantity of synthetic phosphatidylcholine measured using 31 P NMR was consistent with that measured by 1 H NMR using an internal standard...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210076/optimization-of-microwave-assisted-extraction-of-essential-oil-from-lavender-using-response-surface-methodology
#6
Bing Liu, Jihong Fu, Yan Zhu, Ping Chen
A microwave-assisted hydrodistillation (MAHD) method was investigated for extraction of essential oils from lavender. The essential oil extracts at optimized MAHD conditions was compared with hydrodistillation (HD). Response surface methodology coupled with Box-Behnken design was applied to optimize the parameters for MAHD. The optimized MAHD conditions were 500 W microwave power, 17 mL/g liquid-to-solid ratio and 40 min microwave time. The ANOVA results revealed that microwave time had the greatest impact on the essential oil yield followed by liquid-to-solid ratio and microwave power...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210075/n-n-disubstituted-allylic-amine-type-aminophosphines-with-c-aryl-n-amine-bond-axial-chirality-synthesis-and-application-to-palladium-catalyzed-asymmetric-allylic-alkylation-with-malonates
#7
Takashi Mino, Junpei Youda, Toshibumi Ebisawa, Yamato Shima, Kenji Nishikawa, Yasushi Yoshida, Masami Sakamoto
We designed and synthesized a series of N,N-disubstituted allylic amine type aminophosphines 2, 3 and 4, which are derivatives of chiral ligands 1. Aminophosphines 2-4 (except 2a) exist in C(aryl)-N(amine) bond axial chirality by chiral HPLC analysis. Both enantiomeric isomers of 4b were successfully obtained in an enantiomerically pure form. We demonstrated that 1a, 1b, and 4b can be used as effective chiral ligands for the palladium-catalyzed asymmetric allylic alkylation of 1,3-diphenyl-2-propenyl acetate with malonates in high enantioselectivities (up to 90% ee)...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210074/lipase-catalyzed-modification-of-rice-bran-oil-solid-fat-fraction
#8
Patchara Kosiyanant, Garima Pande, Wanna Tungjaroenchai, Casimir C Akoh
This study used a rice bran oil solid fat fraction (RBOSF) to produce cocoa butter alternatives via interesterification reaction catalyzed by immobilized lipase (Lipozyme® RM IM) in hexane. Effects of reaction time (6, 12, and 18 h), temperature (55, 60, and 65°C), mole ratios of 3 substrates [RBOSF:palm olein:C18:0 donors (1:1:2, 1:2:3, and 1:2:6)] were determined. The substrate system was dissolved in 3 mL of hexane and 10% of lipase was added. Two sources of C18:0 donors, stearic acid (SAd) and ethyl stearate (ESd) were used...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30210073/characteristic-aroma-components-from-dried-wakame-undaria-pinnatifida
#9
Shi Jian Lu, Shohei Yosemoto, Shiho Takayama, Daichi Satomi, Yoshihiko Akakabe
An essential oil from dried "wakame" (Undaria pinnatifida), prepared by a simultaneous distillation extraction method, was analyzed by GC-MS, indicating the presence of one major component of volatiles. The volatile component was identified as (6Z,9Z,12Z,15Z,18Z)-1,6,9,12,15,18-henicosahexaene by comparison with the GC-MS and NMR spectra of synthetic. The henicosahexaene showed a subtly marine aroma. (6Z,9Z,12Z,15Z)-1,6,9,12,15-Henicosapentaene was also detected as a minor polyene in the essential oils...
September 13, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111685/improvement-of-wettability-of-photocatalytic-tio-2-coated-wafers-by-microwave-uv-pre-treatment
#10
Minh Quang Tran, Kazuya Nakata, Satoshi Horikoshi
The wettability efficiency of TiO2 -coated Ti substrate wafers was improved using a microwave/UV pre-treatment method. With the assistance of microwave heating, TiO2 substrates coating with P25 completely achieved super hydrophilic state within 5 min, which is twice as fast compared with only UV irradiation condition. Moreover, when the microwave power was increased, improvement in the wettability activity was observed. Apart from P25, coating with brookite also resulted in a good performance. The contact angle was 0° with only 10 min of irradiation...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111684/macrophage-uptake-behavior-and-anti-inflammatory-response-of-bovine-brain-or-soybean-derived-phosphatidylserine-liposomes
#11
Riki Toita, Satoshi Fujita, Jeong-Hun Kang
Phosphatidylserine (PtdSer) is mainly derived from the bovine brain cortex or soybean lecithin. We investigated macrophage uptake behavior and the anti-inflammatory response induced by liposomes containing bovine brain- (B-PSL) or soybean-derived PtdSer (S-PSL). The size of B-PSL and S-PSL was very similar. There were no significant differences in the uptake of B-PSL and S-PSL by Raw 264.7 macrophage cells. Addition of B-PSL or S-PSL decreased the production of the inflammatory cytokines, IL-1α, IL-6 and TNF-α, in lipopolysaccharide-treated Raw 264...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111683/effect-of-oral-paprika-xanthophyll-intake-on-abdominal-fat-in-healthy-overweight-humans-a-randomized-double-blind-placebo-controlled-study
#12
RANDOMIZED CONTROLLED TRIAL
Ryo Kakutani, Saori Hokari, Azusa Nishino, Takashi Ichihara, Kazuhisa Sugimoto, Takeshi Takaha, Takashi Kuriki, Takashi Maoka
PURPOSE: Xanthophylls that exist in various vegetables and fruits have beneficial actions, such as antioxidant activity and an anti-metabolic syndrome effect, and daily intake of xanthophylls could play an important role in preventing lifestyle-related diseases. We investigated whether intake of xanthophylls from red paprika could decrease the abdominal fat area in the healthy overweight volunteers with a body mass index (BMI) ranging from 25 to < 30 kg/m2 . METHODS: In a randomized, double-blind, placebo-controlled, parallel-group study, 100 healthy volunteers were assigned to oral administration of paprika xanthophyll capsules (containing 9...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111682/utilization-of-lignocellulosic-biomass-via-novel-sustainable-process
#13
REVIEW
Kazuhiro Shikinaka, Yuichiro Otsuka, Masaya Nakamura, Eiji Masai, Yoshihiro Katayama
In this review, we show novel methods for utilizing lignocellulosic biomass, polysaccharides, and lignin. Firstly, the simultaneous enzymatic saccharification and comminution (SESC) of plant materials is described as an extraction method for lignocellulosic biomass that does not require toxic reagents or organic solvents. Secondly, we demonstrate the material utilization of non-deteriorated lignocellulosic biomass extracted by SESC, such as for sugar and ethanol synthesis, and as a heatproof filler. Finally, we exhibit the use of a functional monomer (e...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111681/novel-non-aqueous-bioconversion-systems-using-fungal-spores
#14
Shinobu Oda, Yusuke Hayashi, Ryosuke Kido
Two novel types of non-aqueous bioconversion systems using fungal spores, either adsorbed on the surface of a filter pad or entrapped in calcium alginate beads, were constructed and applied for a model reaction: reduction of benzil to benzoin by Aspergillus sojae NBRC 32074. The spores adsorbed on a filter pad catalyzed the reduction in some toxic organic solvents, such as methylcyclohexane (log P: 3.61) and din-butyl ether (3.21). For the relationship between the reduction activity and the log P value of the organic solvent, a highly positive correlation (R2 : 0...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111680/superhydrophobic-surfaces-on-phase-separated-nanostructures-of-polystyrene-polymethyl-methacrylate-films-fabricated-by-the-double-spray-technique
#15
Satoshi Watanabe, Motoharu Fujisaki, Kazuki Murai, Mutsuyoshi Matsumoto
Rapid large-area printing techniques are required to fabricate superhydrophobic surfaces of polymer films on solid substrates. Here, we report a double-spray technique for fabrication of mixed phase-separated films of polystyrene (PS), poly(methyl methacrylate) (PMMA), and PS-b-PMMA. The surface wettability of the films changes to superhydrophobic by immersing the samples in cyclohexane, which is a good solvent for only PS. The rinsing process forms nanostructures in the remaining PMMA films that have flat surfaces before the rinsing treatment...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111679/the-potential-of-using-bee-pollen-in-cosmetics-a-review
#16
REVIEW
Xiaozhi Xi, Jia Li, Shasha Guo, Yujuan Li, Fangxue Xu, Mengmeng Zheng, Hui Cao, Xiaowei Cui, Hong Guo, Chunchao Han
During ancient times in China, bee pollen was used for skin whitening and beauty. Around 70% of substances in bee pollen are biologically active, such as proteins, carbohydrates, lipids and fatty acids, phenolic compounds, vitamins and bioelements.This review describes the cosmeceutical properties of bee pollen and the mechanism of its active components action, its beneficial influence on human skin. As a natural bee product, bee pollen may effectively enhance protective mechanisms against skin aging, skin dryness, ultraviolet B radiation, oxidative damage, inflammatory and melanogenesis, which are involved in a wide range of negative effects on human skin, thus they have attracted attention for health and cosmetic applications...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111678/dietary-sparassis-crispa-reduces-body-fat-mass-and-hepatic-lipid-levels-by-enhancing-energy-expenditure-and-suppressing-lipogenesis-in-rats
#17
Ai Takeyama, Yasuo Nagata, Bungo Shirouchi, Chika Nonaka, Hiromu Aoki, Tsubasa Haraguchi, Masao Sato, Kei Tamaya, Hideto Yamamoto, Kazunari Tanaka
Accumulation of abdominal fat triggers metabolic syndrome, which is a cluster of metabolic abnormalities, such as dyslipidemia, glucose intolerance, insulin resistance or hyperinsulinemia, and hypertension, that leads to the development of diabetes and cardiovascular disease. Mushrooms have been used as a foodstuff and folk medicine worldwide. Among these mushrooms, Sparassis crispa (SC) is a relatively newly cultivated edible and medicinal mushroom, which has been reported to have anti-diabetic and anti-hypertensive properties...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111677/tactile-texture-of-cosmetic-sponges-and-their-friction-behavior-under-accelerated-movement
#18
Natsumi Asanuma, Yuuki Aita, Yoshimune Nonomura
We evaluated the friction properties of five cosmetic sponges on artificial skin using sinusoidal motion-friction evaluation system. No significant difference was observed in the pleasant score of the five sponges when these sponges were rubbed on the skin surface. The sponges were classified into three groups based on their tactile feel. Their characteristic tactile textures were moist-soft-slippery, moist-dry-rough, and moist feels. The slippery feel was found to depend on the thickness of the sponge's cell wall, its surface tension, and the change in friction coefficient in the dynamic friction process...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111676/efficient-detection-of-edible-oils-adulterated-with-used-frying-oils-through-pe-film-based-ftir-spectroscopy-combined-with-da-and-pls
#19
Yuxing Kou, Qi Li, Xiaoli Liu, Rui Zhang, Xiuzhu Yu
Edible oil adulteration has been a considerable problem worldwide, and rapid detection methods should be established. In this study, a validation method for edible oil adulterated with used frying oil (UFO) was introduced through Fourier transform infrared (FTIR) spectroscopy. The spectral region of 6000-400 cm-1 was determined through FTIR by using a disposable polyethylene film, and absorption profiles at 1550-650 cm-1 region could be used for detection analysis. A qualitative analysis model was established through discriminant analysis, and edible oil adulteration with more than 1% content of UFO could be qualitatively analyzed...
September 1, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111675/p-toluenesulfonic-acid-based-deep-eutectic-solvent-as-transesterification-catalyst-for-biodiesel-production
#20
Wei Liu, Fang Wang
In this study, acidic deep eutectic solvents (DESs) have been studied as catalyst in transesterification of soybean oil with methanol to produce biodiesel. p-Toluenesulfonic acid-based deep eutectic solvent (P-DES), composed of p-toluenesulfonic acid and choline chloride (1:3, mol/mol), was found to be an efficient transesterification catalyst for biodiesel production. The optimum conditions for the transesterification process were as follows: 8% P-DES catalyst, 8:1 molar ratio of methanol to oil, reaction temperature of 110°C and 2 h reaction time...
September 1, 2018: Journal of Oleo Science
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