Category: 111-11-5

Dachery, Bruna published the artcileEffect of Aspergillus carbonarius on ochratoxin a levels, volatile profile and antioxidant activity of the grapes and respective wines, SDS of cas: 111-11-5, the main research area is aspergillus carbonarius ochratoxin levels volatile profile antioxidant activity grape; Aroma; Cabernet Sauvignon; Moscato Italico; Mycotoxin; OTA; Toxigenic fungi; Volatile compound; Wine quality.

Aspergillus carbonarius can produce a possibly carcinogenic mycotoxin named ochratoxin A (OTA). The metabolism of this fungus can also impact grape and wine quality as it influences the volatile and phenolic profiles, which are related to aroma and antioxidant activity, resp. The objective of this study was to evaluate the effect of A. carbonarius on OTA levels and for the first time on volatile profile and antioxidant activity of grapes and their resp. wines. Cabernet Sauvignon (CS, red) grapes presented higher susceptibility to A. carbonarius than Moscato Italico (MI, white) grapes and OTA levels in their resp. musts were in accordance with this same trend. However, vinification of red grapes resulted in 67% reduction of OTA, while the reduction observed with white wines was 45%. The presence of acids (hexanoic, octanoic, nonanoic and decanoic, fatty odor) was found to be an indicative of the fungus incidence in grapes. These acids were precursors of esters that might impart neg. aroma (Me nonanoate and isoamyl octanoate, fatty odor) or provide desirable fruity characteristics (Et hexanoate, Et octanoate and Me octanoate) for wine. In addition, terpenes were detected only in wines produced with grapes (CS and MI) inoculated with A. carbonarius. The presence of A. carbonarius increased the antioxidant activity of CS grapes. For MI grapes and both wines (CS and MI) no differences were verified in the antioxidant activity of the samples affected or not affected by this fungus. Although A. carbonarius occurrence has shown no influence on the antioxidant activity of wines, it produced OTA and has neg. influenced the wine odor profile, due to the production of some volatiles that impart a deleterious effect on wine aroma.

Food Research International published new progress about Antioxidants. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, SDS of cas: 111-11-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Zapata, Pedro J. published the artcilePhenolic, volatile, and sensory profiles of beer enriched by macerating quince fruits, Related Products of esters-buliding-blocks, the main research area is Cydonia sensory profile beer maceration antioxidant.

Quince fruit (Cydonia oblonga Miller) is not very appreciated for their sensory properties for fresh consumption but it is a fruit rich in functional compounds The aim of this study was to take advantage of this fruit to improve the functional profile of one of the most popular alc. beverages around the world, beer. For this purpose, one quince cultivar, Vranja, and two clones ZM9 and PUM were used to brew beer and study its physico-chem., aromatic (headspace solid phase micro-extraction, HS-SPME), functional (phenolic compounds and antioxidant capacity) and sensory (descriptive anal. with trained panel) properties. The addition of quince increased the total polyphenol content, the total hydroxicinnamic acids, concentration of main volatile compounds related with fruity sensory descriptors, and led to higher intensities of floral and fruity sensory attributes. Therefore, the quince beer had a better functional composition and better sensory characteristics than the control beer.

LWT–Food Science and Technology published new progress about Antioxidants. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Related Products of esters-buliding-blocks.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Yao, Jiangqi published the artcileEffects of dandelion addition on antioxidant property, sensory characteristics and inhibitory activity against xanthine oxidase of beer, Recommanded Product: Methyl octanoate, the main research area is beer dandelion antioxidant sensory property xanthine oxidase; Antioxidant activity; Chicoric acid; Craft beer; Dandelion; Polyphenols; Xanthine oxidase.

The effects of dandelion addition (DA) on the physiochem. properties, antioxidant activity, inhibitory activity against xanthine oxidase (XOD) and flavor of craft beer were investigated. It was found that DA changed the pH value, total acid content, thiobarbituric-acid-value, sugar content and color of beer, and increased the contents of total polyphenols and flavonoids and thus the antioxidant activity of beer. HPLC anal. showed that DA provided beer with chlorogenic, caffeic, ferulic, and chicoric acid, contributing to the inhibition activity against XOD that is a key enzyme in uric acid production GC-MS anal. showed that 3-methyl-1-butanol, isopentyl acetate and Et caprylate were main aroma components of all samples. Although DA introduced the special aroma component of azulene, it did not significantly affect the appearance, bubble, aroma and taste evaluation of beer. Conclusively, DA potentially improved the beer properties of antioxidant and inhibition of uric acid production without changing its sensory characteristics.

Current Research in Food Science published new progress about Antioxidants. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Recommanded Product: Methyl octanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Mora-Gutierrez, Adela published the artcileMixed Biopolymer Systems Based on Bovine and Caprine Caseins, Yeast β-Glucan, and Maltodextrin for Microencapsulating Lutein Dispersed in Emulsified Lipid Carriers, Name: Methyl octanoate, the main research area is caprine casein yeast glucan maltodextrin microencapsulating lutein lipid carrier; biopolymers; emulsified lipid carriers; lutein; microencapsulation; spray drying; storage stability.

Lutein is an important antioxidant that quenches free radicals. The stability of lutein and hence compatibility for food fortification is a big challenge to the food industry. Encapsulation can be designed to protect lutein from the adverse environment (air, heat, light, pH). In this study, we determined the impact of mixed biopolymer systems based on bovine and caprine caseins, yeast β-glucan, and maltodextrin as wall systems for microencapsulating lutein dispersed in emulsified lipid carriers by spray drying. The performance of these wall systems at oil/water interfaces is a key factor affecting the encapsulation of lutein. The highest encapsulation efficiency (97.7%) was achieved from the lutein microcapsules prepared with the mixed biopolymer system of caprine αs1-II casein, yeast β-glucan, and maltodextrin. Casein type and storage time affected the stability of lutein. The stability of lutein was the highest (64.57%) in lutein microcapsules prepared with the mixed biopolymer system of caprine αs1-II casein, yeast β-glucan, and maltodextrin, whereas lutein microcapsules prepared with the biopolymer system of bovine casein, yeast β-glucan, and maltodextrin had the lowest (56.01%). The stability of lutein in the lutein microcapsules dramatically decreased during storage time. The antioxidant activity of lutein in the lutein microcapsules was closely associated with the lutein concentration

Polymers (Basel, Switzerland) published new progress about Antioxidants. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Name: Methyl octanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Zhang, Pingling published the artcileEnzymatic acylation of cyanidin-3-glucoside with fatty acid methyl esters improves stability and antioxidant activity, Synthetic Route of 111-11-5, the main research area is Cyanidin glucoside Acylation Lipase Stability Antioxidant; Acylation; Antioxidant activity; Cyanidin-3-O-glucoside; Lipase; Stability.

Cyanidin-3-glucoside is a major anthocyanin in legumes, black rice, and purple potato, and has anti-inflammatory and antioxidant properties. In the present study, the effect of acylation on cyanidin-3-glucoside lipophilicity, stability, and antioxidant capacity was investigated. Cyanidin-3-glucoside was enzymically acylated through transesterification with fatty acid esters to produce three monoacylated cyanidin-3-glucoside esters, cyanidin-3-(6”-n-octanoyl)-glucoside, cyanidin-3-(6”-lauroyl)-glucoside, and cyanidin-3-(6”-myristoyl)-glucoside. Cyanidin-3-(6”-n-octanoyl)-glucoside had the highest thermostability and photostability of the three cyanidin-3-glucoside esters. While the in vitro antioxidant activity of cyanidin-3-(6”-n-octanoyl)-glucoside was 7.5%-14.3% lower than that of cyanidin-3-glucoside (p < 0.05), its cellular antioxidant activity increased by 33.3% (p < 0.05). Further, while cyanidin-3-(6''-lauroyl)-glucoside had lower stability and in vitro antioxidant activity than that of cyanidin-3-(6''-n-octanoyl)-glucoside, its cellular antioxidant capacity was 125.9% and 69.4% higher than cyanidin-3-glucoside and cyanidin-3-(6''-n-octanoyl)-glucoside, resp. (p < 0.05). This study demonstrated that transesterification can be used to improve the stability and in vivo antioxidant activity of cyanidin-3-glucoside. Food Chemistry published new progress about Antioxidants. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Synthetic Route of 111-11-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Mohammadi, Ghobad published the artcileChemical characterization and anti-breast cancer effects of silver nanoparticles using Phoenix dactylifera seed ethanolic extract on 7,12-Dimethylbenz[a] anthracene-induced mammary gland carcinogenesis in Sprague Dawley male rats, SDS of cas: 111-11-5, the main research area is breast cancer silver nanoparticle Phoenix seed extract antitumor.

The aim of the recent research was to investigate the anti-breast cancer effects of silver nanoparticles using Phoenix dactylifera seed ethanolic extract (AgNPs). After preparation of Phoenix dactylifera seed extract, GC/MS was performed to detect the compounds The findings indicated that 9-Octadecenoic acid (Z)- Me ester (40.95%) and Dodecanoic acid Me ester (20%) were the most frequent constituents found in P. dactylifera. These nanoparticles were spherical with a size range of 17-19 nm and characterized using various anal. techniques including UV-Vis absorption spectroscopy to determine the presence of AgNPs in the solution We studied functional groups of P. dactylifera extract in the reduction and capping process of AgNPs by FT-IR, crystallinity and FCC planes by X-ray diffraction (XRD) pattern and surface morphol., shapes, and size of AgNPs by SEM and transmission electron microscopy (TEM). DPPH free radical scavenging test was used to test the antioxidant properties of P. dactylifera and AgNPs, which revealed high antioxidant potential similar to butylated hydroxy toluene (BHT) as the pos. control. The results of cytotoxicity anal. indicated that P. dactylifera and AgNPs were toxic for MCF-7 cells. In vivo design, induction of breast cancer was done by 7,12-Dimethylbenz[a] anthracene (DMBA) in 50 animals. After 10 days, the animals were randomly divided into six subgroups, including healthy control, untreated control, two groups receiving the P. dactylifera at 2 and 6 mg/kg and two groups receiving the AgNPs at 2 and 6 mg/kg concentrations Both doses of P. dactylifera and AgNPs (especially AgNPs6) significantly (p â‰?0.05) reduced the weight and volume of liver, mammary gland, kidney, spleen, ALP, AST, ALT, GGT, cholesterol, LDL, triglyceride, total and conjugated bilirubin, urea, creatinine, glucose, ferrous, ferritin, erythropoietin, GR, IL1, IL6, IL12, IL18, IFNY, and TNFα and increased HDL, total protein, albumin, WBC, lymphocyte, neutrophils, platelet, RBC, Hb, PCV, MCV, MCH, MCHC, SOD, CAT, GPx, IL4, IL5, IL10, IL13, and IFNα compared to the untreated group. Moreover, P. dactylifera and AgNPs (especially AgNPs6) significantly (p â‰?0.05) treated breast cancer with reduction of organs free of metastasis compared to the untreated group. Seemingly, the AgNPs can be used for the treatment of breast cancer.

Applied Organometallic Chemistry published new progress about Antioxidants. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, SDS of cas: 111-11-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Bogatishcheva, Nataliya S. published the artcileHeat capacities and thermal diffusivities of some n-alkanoic acid methyl esters, Formula: C9H18O2, the main research area is alkanoic acid methyl ester heat capacity thermal diffusivity temperature.

The heat capacities and thermal diffusivities of n-alkanoic acid Me esters CnH2n-1O2CH3 with n from 6 to 12 have been measured. The heat capacities have been measured in the temperature range from 303.15 K to 373.15 K; the measurements of thermal diffusivity have been carried out for a given Me ester from 303.15 K to the temperature at which a noticeable evaporation of the ester took place. The temperature dependencies of the heat capacities and thermal diffusivities have been approximated by a third-order and a first-order polynomial, resp. It has been shown that the dependence of the molar heat capacity on n (n = 1-14) at a temperature of 298.15 K is close to linear.

Journal of Chemical Thermodynamics published new progress about Heat capacity. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Formula: C9H18O2.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Boetje, Laura published the artcileMore efficient synthesis and properties of saturated and unsaturated starch esters, COA of Formula: C9H18O2, the main research area is synthesis property saturated unsaturated starch ester hydrophobicity contact angle; Fatty acid starch ester; Hydrophobicity; Methyl 10-undcenoate (PubChem CID: 8138); Methyl linoleate (PubChem CID: 5284421); Methyl octanoate (PubChem CID: 8091); Methyl oleate (PubChem CID: 5364509); Methyl stearate (PubChem CID: 8201); Methyl trans-2-octenoate (PubChem CID: 5364532); Methyl undecanoate (PubChem CID: 15607); Side-chain crystallinity; Thermal properties; Transesterification; Unsaturated fatty acid.

This work presents a series of starch esters synthesized via 1,5,7-triazabicyclo[4.4.0]-dec-5-ene (TBD) catalyzed transesterifications in DMSO (DMSO). The reaction was performed with saturated and unsaturated fatty acids (8, 11, and 18 carbon atoms). The degree of substitution (DS) was raised by purging the reaction flask with nitrogen instead of simply performing the reaction under a nitrogen atm. The increase of DS was most obvious for long-chain fatty acids, as an almost complete DS was observed for starch stearate (2.8) and starch oleate (2.7). The products were characterized by differential scanning calorimetry (DSC), thermogravimetric anal. (TGA), and X-ray diffraction. Starch esters from unsaturated fatty acids have a lower Tg than their saturated analogs. Moreover, contact angle and moisture uptake measurements showed increased hydrophobicity for all starch esters in comparison to pristine starch. Our results show a more efficient method for synthesizing a biobased material that steers into the direction of a material that could replace conventional plastics.

Carbohydrate Polymers published new progress about Contact angle. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, COA of Formula: C9H18O2.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Fan, Xiaqiong published the artcileDeep-Learning-Assisted multivariate curve resolution, Synthetic Route of 111-11-5, the main research area is deep learning assisted multivariate curve resolution; Deep Learning; GC-MS; Multivariate Curve Resolution.

Gas chromatog.-mass spectrometry (GC-MS) is one of the major platforms for analyzing volatile compounds in complex samples. However, automatic and accurate extraction of qual. and quant. information is still challenging when analyzing complex GC-MS data, especially for the components incompletely separated by chromatog. Deep-Learning-Assisted Multivariate Curve Resolution (DeepResoln.) was proposed in this study. It essentially consists of convolutional neural networks (CNN) models to determine the number of components of each overlapped peak and the elution region of each compound With the assistance of the predicted elution regions, the informative regions (such as selective region and zero-concentration region) of each compound can be located precisely. Then, full rank resolution (FRR), multivariate curve resolution-alternating least squares (MCR-ALS) or iterative target transformation factor anal. (ITTFA) can be chosen adaptively to resolve the overlapped components without manual intervention. The results showed that DeepResoln. has superior compound identification capability and better quant. performances when comparing with MS-DIAL, ADAP-GC and AMDIS. It was also found that baseline levels, interferents, component concentrations and peak tailing have little influences on resolution result. Besides, DeepResoln. can be extended easily when encountering unknown component(s), due to the independence of each CNN model. All procedures of DeepResoln. can be performed automatically, and adaptive selection of resolution methods ensures the balance between resolution power and consumed time. It is implemented in Python and available at https://github.com/XiaqiongFan/DeepResoln.

Journal of Chromatography A published new progress about Deep learning. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Synthetic Route of 111-11-5.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Santos, Glauber Batista Moreira published the artcileEffects of processing on the chemical, physicochemical, enzymatic, and volatile metabolic composition of pitaya (Hylocereus polyrhizus (F.A.C. Weber) Britton & Rose), Recommanded Product: Methyl octanoate, the main research area is Hylocereus chem physicochem enzymic processing volatile metabolite; CG-MS; Chemometric analysis; Peroxidase; Polyphenol oxidase; Volatile metabolites.

The effects of processing on the chem., physicochem., enzymic, and volatile metabolic composition of pitaya pulp were assessed for the first time. To this end, the following treatments to obtain pitaya pulp were evaluated: Treatment A (TA, pulp processing without ascorbic acid), Treatment B (TB, whole fruit processing with ascorbic acid), and Control (whole fruit processing without ascorbic acid). The treatment employed in TB resulted in low polyphenol oxidase and peroxidase activity, and no significant chem. or physicochem. alterations in most parameters evaluated. In addition, TB presents high yields and fiber content compared to the TA or Control. For metabolic anal., Gas Chromatog.-Mass Spectrometry (GC-MS) was effective for the simultaneous determination of 80 volatile metabolites in pitaya. Chemometric analyses was used to efficiently distinguish the volatile compounds of each treatment, and demonstrated that TB presents an interesting volatile profile due the conservation or agregation of compounds

Food Research International published new progress about Dietary fiber. 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Recommanded Product: Methyl octanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics