Tag: 300-400

Effect of storage time on the microbial and physicochemical properties of gamma irradiated turmeric powder under various atmospheres of packaging was written by Esmaeili, Saeideh;Berengi-Ardestani, Samira;Khanniri, Elham;Barzegar, Mohsen;Sahari, Mohammad Ali. And the article was included in Radiation Physics and Chemistry in 2021.Recommanded Product: Bisdemethoxycurcumin The following contents are mentioned in the article:

Irradiation process has recently found a special place in reducing microbial contamination of foodstuffs. However, there are still ambiguities about the effect of irradiation on the physicochem. properties and bioactive compounds of foods during storage. In this study, the influence of gamma irradiation at doses 0, 5, 10, and 15 kGy on the microbial load and physicochem. properties of turmeric powder were studied during one year storage at room temperature under air and modified atm. (vacuum and N2). The results showed that irradiation effectively reduced the microbial contamination of turmeric powder and it could provide the safety and microbial desirability of the samples for 1 yr at 10 kGy dose. By increasing the storage time and progress of oxidation processes, phenolic compounds (PCs) decreased in all samples. Subsequently, the curcumin, dimethoxycurcumin and bisdemethoxycurcumin contents as curcuminoids were diminished 61.5, 62.1, and 59.1% after one year of storage, resp. The IC50 (DPPH·, FRAP, and ABTS·+) of the extracts were in the range of (117.9-244.5μg/mL), (41.5-85.3μg/mL), and (206.4-505.2μg/mL), resp. during 12 mo of storage and the highest antioxidant activity of the extracts was obtained after four months of storage at a dose of 10 kGy (p < 0.05). These results confirm that the effect of storage time on the physicochem. properties of turmeric powder was higher than the effect of irradiation and packaging atm. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Recommanded Product: Bisdemethoxycurcumin).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Recommanded Product: Bisdemethoxycurcumin

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A Sensitive Spectrofluorimetric Method for Curcumin Analysis was written by Sravani, Anne Boyina;Mathew, Elizabeth Mary;Ghate, Vivek;Lewis, Shaila A.. And the article was included in Journal of Fluorescence in 2022.Computed Properties of C19H16O4 The following contents are mentioned in the article:

Curcumin (CUR), a natural polyphenolic compound extracted from the rhizomes of Curcuma longa, is used as a pharmaceutical agent, spice in food, and as a dye. Currently, CUR is being investigated for cancer treatment in Phase-II clin. trials. CUR also possesses excellent activities like anti-inflammatory, anti-microbial, and anti-oxidant, therefore quality control is crucial. The present research work was to develop a new, simple, validated and time-saving rapid 96-well plate spectrofluorimetric method for the determination of CUR. The developed method was compared with routinely used high performance liquid chromatog. (HPLC) technique. The developed method were found to be linear in the concentration range of 15 to 3900 ng/mL with R2 ≥ 0.9983 for spectrofluorimetric and 50-7500 ng/mL with R2 ≥ 0.9999 for HPLC method. Accuracy, intraday and interday precision was adequate, with RSD lower than the suggested limits. The limits for the detection and the quantification of CUR were 7 and 15 ng/mL for spectrofluorimetric, and 25 and 50 ng/mL for HPLC resp. The Bland-Altman anal. demonstrated the similarities between the two methods. The 96-well plate method was successfully applied to determine CUR in solid lipid nanoparticles (SLNs) and chitosan nanoparticles (Chi-NPs). The developed spectrofluorimetric method can hence serve as a possible replacement for the HPLC method for the quantification of CUR in healthcare and food products. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Computed Properties of C19H16O4).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Computed Properties of C19H16O4

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Extractability of Curcuminoids Is Enhanced with Milk and Aqueous-Alcohol Mixtures was written by Kotha, Raghavendhar R.;Tareq, Fakir Shahidullah;Luthria, Devanand L.. And the article was included in Molecules in 2022.SDS of cas: 33171-05-0 The following contents are mentioned in the article:

In this study, we evaluated the extractability of three curcuminoids (curcumin, demethoxycurcumin, and bisdemethoxycurcumin) from turmeric powder in several solvents using high-performance liquid chromatog. (HPLC) with the diode-array detection method. These solvents include water, milk (homogenized, 2% reduced fat, low fat, fat free, soy, almond, coconut, and milkadamia), and aqueous ethanols (0%, 4%, 10%, 20%, 30%, 40%, 50%, and 100%). Ambient water was able to extract only 0.55 mg/g of curcuminoids, whereas warm water extracted more than four-fold higher amounts (2.42 mg/g). Almond, coconut, and milkadamia milk were able to extract only small amounts of curcuminoids at ambient temperatures (0.01-0.07 mg/g). The extractability of curcuminoids in these milk types did not improve, even in warm conditions (0.08-0.37 mg/g). Whereas dairy and soy milk extracted 6.76-9.75 mg/g of curcuminoids under ambient conditions, their extractability increased significantly in warm conditions by 30-100% higher (11.7-14.9 mg/g). The solubility of curcuminoids also varied remarkably in different proportions of aqueous-alc. mixtures With 4% ethanol, only 1.7 mg/g of curcuminoids were extracted, and the amounts improved with the increase in ethanol content up to 50% (32.2 mg/g), while 100% ethanol extracted a similar amount as 50% ethanol (34.2 mg/g). This study suggests that the extractability of curcuminoids from turmeric will be dependent on the type of diets consumed with the turmeric supplements. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0SDS of cas: 33171-05-0).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.SDS of cas: 33171-05-0

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Effect of drying temperature together with light on drying characteristics and bioactive compounds in turmeric slice was written by Komonsing, Nilobon;Khuwijitjaru, Pramote;Nagle, Marcus;Muller, Joachim;Mahayothee, Busarakorn. And the article was included in Journal of Food Engineering in 2022.Name: Bisdemethoxycurcumin The following contents are mentioned in the article:

Turmeric is an important source of curcuminoids. It is widely sold in the form of dried slices and powder for production of coloring agents, spices, traditional medicines, and cosmetics. In this study, turmeric slices were dried at five temperatures (40, 50, 60, 70, and 80°C) under two conditions (without light exposure; noLE and with light exposure; LE) in a laboratory-made hot air dryer. For the LE condition, power and light intensity were 397 ± 29 W m-2 and 541 x 102 ± 42 x 102 lx, resp. The Midilli and Kucuk model is the best for predicting drying characteristics of turmeric slices. Effective moisture diffusivities (Deff) and the drying rate constants (k) increased with the drying temperature and the light exposure. Light exposure and temperature did not significantly affect the color values of turmeric powder (p > 0.05). The three curcuminoids from fresh turmeric identified by HPLC were curcumin (17.88 ± 1.60 mg g-1 dry matter), demethoxycurcumin (12.34 ± 0.87 mg g-1 dry matter), and bisdemethoxycurcumin (19.84 ± 1.82 mg g-1 dry matter). The percentage changes of these curcuminoids after drying under noLE were higher at all temperatures compared to LE condition. Percentage changes of DPPH, ABTS, FRAP, and TPC after drying were not significantly influenced by the drying conditions (p > 0.05). The present study suggested that drying at 70°C without light exposure was the best condition to preserve curcuminoids, color, total phenolic contents, and antioxidant capacity. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Name: Bisdemethoxycurcumin).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Name: Bisdemethoxycurcumin

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Bisdemethoxycurcumin Promotes Apoptosis and Inhibits the Epithelial-Mesenchymal Transition through the Inhibition of the G-Protein-Coupled Receptor 161/Mammalian Target of Rapamycin Signaling Pathway in Triple Negative Breast Cancer Cells was written by Chou, Chun-Hung;Wang, Hao-Kuang;Lin, Ying-Chao;Tsai, Dai-Hua;Lu, Meng-Tien;Ho, Chi-Tang;Hseu, You-Cheng;Yang, Hsin-Ling;Way, Tzong-Der. And the article was included in Journal of Agricultural and Food Chemistry in 2021.SDS of cas: 33171-05-0 The following contents are mentioned in the article:

Triple neg. breast cancer (TNBC) is one of the leading causes of cancer death in the world and lacks an effective targeted therapy. G protein-coupled receptor 161 (GPR161) has been demonstrated to perform the functional regulations on TNBC progression and might be a potential new target for TNBC therapy. This study showed the effects of bisdemethoxycurcumin (BDMC) on GPR161 regulation, indicating BDMC effectively inhibited GPR161 expression and downregulated GPR161-driven signaling. BDMC showed the potent inhibitory effects on TNBC proliferation through suppressing GPR161-mediated mammalian target of rapamycin (mTOR)/70-kDa ribosomal protein S6 kinase (p70S6K) activation. Besides, in this study, we discover the mechanism of GPR161-driven TNBC metastasis, linking to GPR161-mediated Twist-related protein 1 (Twist1)/ Matrix metallopeptidase 9 (MMP9) contributed to epithelial-mesenchymal transition (EMT). BDMC effectively repressed GPR161-mediated TNBC metastasis via inhibiting Twist1/MMP9-induced EMT. The three-dimensional invasion assay also showed that BDMC significantly inhibited TNBC invasion. The combination treatment of BDMC and rapamycin enhanced the inhibition of TNBC proliferation and metastasis through increasing the blockage of mTOR activation. Furthermore, this study also observed that BDMC activated caspase 3/9 signaling pathway to induce TNBC apoptosis. Therefore, BDMC could be applicable to anticancer therapy especially targeting on GPR161-driven cancer type. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0SDS of cas: 33171-05-0).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.SDS of cas: 33171-05-0

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Epigenetic compound screening uncovers small molecules for reactivation of latent HIV-1 was written by Zutz, Ariane;Chen, Lin;Sippl, Franziska;Humpe, Andreas;Schoelz, Christian. And the article was included in Antimicrobial Agents and Chemotherapy in 2021.Recommanded Product: Bisdemethoxycurcumin The following contents are mentioned in the article:

During infection with the human immunodeficiency virus type 1 (HIV-1), latent reservoirs are established that circumvent full eradication of the virus by antiretroviral therapy (ART) and are the source for viral rebound after cessation of therapy. Here, we employed a simple and convenient cell-based reporter system, which enables sample handling under biosafety level (BSL)-1 conditions, to screen for compounds that were able to reactivate latent HIV-1. The assay showed a high dynamic signal range and reproducibility with an average Z-factor of 0.77, classifying the system as robust. The assay was used for high-throughput screening (HTS) of an epigenetic compound library in combination with titration and cell-toxicity studies and revealed several potential new latency-reversing agents (LRAs). Further validation in well-known latency model systems verified earlier studies and identified two novel compounds with very high reactivation efficiencies and low toxicity. Both drugs, namely, N-hydroxy-4-(2-[(2-hydroxyethyl)(phenyl)amino]-2-oxoethyl)benzamide (HPOB) and 2′,3′-difluoro-[1,1′-biphenyl]-4-carboxylic acid, 2-butylhydrazide (SR-4370), showed comparable performances to other already known LRAs, did not activate CD4+ T cells, and did not cause changes in the composition of peripheral blood mononuclear cells (PBMCs), as shown by flow cytometry analyses. Both compounds may represent effective new treatment possibilities for reversal of latency in HIV-1-infected individuals. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Recommanded Product: Bisdemethoxycurcumin).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Recommanded Product: Bisdemethoxycurcumin

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Ether – Wikipedia,
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Effective ultrasonic-assisted extraction and solubilization of curcuminoids from turmeric by using natural deep eutectic solvents and imidazolium-based ionic liquids was written by Shekaari, Hemayat;Zafarani-Moattar, Mohammed Taghi;Mokhtarpour, Masumeh. And the article was included in Journal of Molecular Liquids in 2022.SDS of cas: 33171-05-0 The following contents are mentioned in the article:

Curcuminoids (CURs), bioactive and antioxidant polyphenols, are major components of turmeric. Com. available component in CURs are curcumin (C) as the main constituent and the other two demethoxycurcumin (DMC) and bisdemethoxycurcumin (BDMC) as minor components. Extraction and anal. of these components from turmeric may pose specific challenges and yield different results. The organic solvents applied in traditional solvent extraction systems are not eco-friendly owing to their properties such as flammability, toxicity and volatility. For this reason, in this research work, ten deep eutectic solvents (DESs) and three ionic liquids (ILs) were selected to investigate the extraction of CURs from turmeric. Further, DES and ILs-based extraction was performed under ultrasound. Under extraction conditions, the CURs in the turmeric powder was measured by the use of high performance liquid chromatog. (HPLC). The maximum CURs amount of 164.51 mg/g was attained using effective ultrasound-assisted extraction in 50% water content DES or IL at 5% solid loading with 50.8 W/cm2 power intensity at 363 K in 60 min. This improved extraction method can be economical, green and effective alternative to conventional solvent extraction for CURs. On the other hand, the solubility of standard CUR was obtained at 298.15 K using saturation shake flask method. Finally, Hansen solubility parameters (HSP) were applied to identify solvents which were compatible with CURs. All the results were consistent with each other, supporting the validity of our extraction method. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0SDS of cas: 33171-05-0).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.SDS of cas: 33171-05-0

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Ether – Wikipedia,
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Rapid and Sensitive Analytical Assessment of Curcuminoids and Three Common Turmeric Adulterants in a Single Run Using Liquid Chromatography and Tandem Mass Spectrometry was written by Kotha, Raghavendhar R.;Tareq, Fakir Shahidullah;Byrdwell, Craig;Luthria, Devanand L.. And the article was included in ACS Food Science & Technology in 2021.Formula: C19H16O4 The following contents are mentioned in the article:

In this study, we have developed and validated a liquid chromatog.-tandem mass spectrometry (LC-MS/MS) method using a tandem sector quadrupole mass spectrometer to simultaneously detect and quantify three curcuminoids (curcumin, demethoxycurcumin, and bisdemethoxycurcumin) and three of the most common food adulterants, particularly in turmeric, namely, metanil yellow, Sudan I, and Sudan red G using a single 11 min method. The method was validated for linearity, precision, and accuracy. The limit of quantification (LOQ) and the limit of detection (LOD) were determined as 1-2 and 0.1-0.2 ng/mL, resp., for all six analytes. The method is accurate and precise, with intraday and interday accuracies ranging from 86.4 to 108.1 and from 86.0 to 107.7%, resp., and intraday and interday coefficients of variation (CVs) ranging from 0.9 to 5.2 and 1.6 to 5.6%, resp. A simple extraction procedure, easy sample preparation, high sensitivity, and rapid anal. make this method suitable for routine analyses. The validated method was applied to quantify curcuminoids in six com. turmeric supplements. The amounts of curcuminoids varied significantly (~30-fold) among the six supplements investigated in the present study. To demonstrate the practical applicability of the validated method, a com. dietary turmeric supplement was spiked with 0.002-1% of adulterants, and their concentrations were accurately quantified. This method provides a rapid quantification of the three curcuminoids and three common adulterants simultaneously in a single run. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Formula: C19H16O4).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Formula: C19H16O4

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An Ayurvedic formulation of Emblica officinalis and Curcuma longa alleviates insulin resistance in diabetic rats: Involvement of curcuminoids and polyphenolics was written by Panda, Vandana;Deshmukh, Amol;Singh, Sneha;Shah, Taasin;Hingorani, Lal. And the article was included in Journal of Ayurveda and Integrative Medicine in 2021.Category: ethers-buliding-blocks The following contents are mentioned in the article:

Nishamalaki is an Ayurvedic herbal formulation used to treat type 2 diabetes mellitus (T2DM), comprises Emblica officinalis and Curcuma longa. One of the main cause of T2DM is Insulin Resistance (IR) hence, this study was planned to evaluate IR lowering effect of a standardized Nishamalaki extract “EmbliQur” in high-fat diet (HFD) and streptozotocin (STZ) induced T2DM rats. Curcuminoids (23.89% weight/weight), gallic acid (5.27% weight/weight) and tannins (25.44% weight/weight) were quantified from EmbliQur. Rats were fed HFD throughout the study of 45 days and received STZ (40 mg/kg, i.p) on the 15th day of the study. Rats with more than 250 mg/dL of fasting blood glucose level (FBGL) were considered diabetic and selected for administration of EmbliQur (500 mg and 1000 mg/kg) or the standard drug metformin (120 mg/kg, p.o) from the 18th day of the study for the next 27 days. FBGL and insulin levels of all rats were measured weekly and an oral glucose tolerance test (OGTT) was done at the end of the study. The values of FBGL and insulin were used to calculate IR by the HOMA-IR, QUICKI and Matsuda methods. Rats treated with STZ/HFD had significantly higher than normal FBGL and insulin levels throughout the study and exhibited skewed IR indexes in the above three methods of IR assessment. EmbliQur treatment successfully lowered the HFD/STZ-elevated BGL and insulin levels, and ameliorated IR in all models of IR evaluation. EmbliQur 1000 mg/kg was noted to be more effective than EmbliQur 500 mg/kg in alleviating IR. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Category: ethers-buliding-blocks).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Category: ethers-buliding-blocks

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Bovine Serum Albumin-Based Nanoparticles: Preparation, Characterization, and Antioxidant Activity Enhancement of Three Main Curcuminoids from Curcuma longa was written by Araya-Sibaja, Andrea Mariela;Wilhelm-Romero, Krissia;Quiros-Fallas, Maria Isabel;Vargas Huertas, Luis Felipe;Vega-Baudrit, Jose Roberto;Navarro-Hoyos, Mirtha. And the article was included in Molecules in 2022.Category: ethers-buliding-blocks The following contents are mentioned in the article:

Bovine Serum Albumin (BSA) lipid hybrid nanoparticles are part of the new solutions to overcome low bioavailability of poor solubility drugs such as curcuminoids, which possess multiple biol. advantages; however, they are counterbalanced by its short biol. half-life. In this line, we prepared the three main curcuminoids: curcumin (CUR), desmethoxycurcumin (DMC), and bisdemethoxycurcumin (BDM)-loaded BSA nanoparticles. The three formulations were characterized by the average size, size distribution, crystallinity, weight loss, drug release, kinetic mechanism, and antioxidant activity. The developed method produced CUR-, DMC-, and BDM-loaded BSA nanoparticles with a size average of 15.83 ± 0.18, 17.29 ± 3.34, and 15.14 ± 0.14 nm for CUR, DMC, and BDM loaded BSA, resp. FT-IR anal. confirmed the encapsulation, and TEM images showed their spherical shape. The three formulations achieved encapsulation efficiency. Upper to 96% and an exhibited significantly increased release from the nanoparticle compared to free compounds in water. The antioxidant activity was enhanced as well, in agreement with the improvement in water release, obtaining IC50 values of 9.28, 11.70, and 15.19 mg/mL for CUR, DMC, and BDM loaded BSA nanoparticles, resp., while free curcuminoids exhibited considerably lower antioxidant values in aqueous solution Hence, this study shows promises for such hybrid systems, which have been ignored so far, regarding proper encapsulation, protection, and delivery of curcuminoids for the development of functional foods and pharmaceuticals. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Category: ethers-buliding-blocks).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Category: ethers-buliding-blocks

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem