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Journal articles on the topic 'Antioxidantes BHA'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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1

Tolentino, Marina Caldeira, Francieli Kanumfre, Luciano dos Santos Bersot, Noemi Nagata, Paulo Irajara Borba Carneiro, and Neiva Deliberali Rosso. "Avaliação da estabilidade foto-oxidativa dos óleos de canola e de milho em presença de antioxidantes sintéticos." Ciência Rural 44, no. 4 (2014): 728–33. http://dx.doi.org/10.1590/s0103-84782014000400026.

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A estabilidade dos óleos vegetais à oxidação depende do equilíbrio entre a composição e a presença de pró-oxidantes e antioxidantes. O objetivo deste estudo consistiu em avaliar o efeito da presença de antioxidantes sintéticos durante o processo de foto-oxidação dos óleos de canola e milho. As amostras dos óleos de canola e milho em presença e em ausência dos antioxidantes butil-hidroxitolueno (BHA), propil galato (PG) e terc butil-hidroquinona (TBHQ), foram submetidas ao estresse foto-oxidativo. A reação de foto-oxidação seguiu uma cinética de primeira ordem. A constante de velocidade no perí

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Donato, Marcela, Camila Duarte Ferreira Ribeiro, Jane Mara Block, and Itaciara Larroza Nunes. "Efeito da adição de óleo de palma bruto nanoencapsulado na estabilidade oxidativa de molho para salada em teste de oxidação acelerada." Research, Society and Development 9, no. 10 (2020): e4229107841. http://dx.doi.org/10.33448/rsd-v9i10.7841.

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O objetivo do presente trabalho foi avaliar o efeito da adição de óleo de palma bruto nanoencapsulado (OPB-NE) como antioxidante em molho para salada em teste de oxidação acelerada (Schaal Oven Test). O OPB-NE foi caracterizado quanto a eficiência de encapsulamento (EE), tamanho de partícula (TP), potencial Zeta (pZ) e índice de polidispersibilidade (PDI). O Óleo de palma bruto livre (OPB-L) e OPB-NE foram avaliados quanto aos carotenoides totais (CT) e atividade antioxidante (AA). Foram desenvolvidos três molhos para salada sabor mostarda (A-molho base controle/B-molho base + OPB-NE/C-molho b

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3

Rosales Castro, Martha, María Elena Pérez López, and María del Carmen Ponce Rodríguez. "Propiedades antirradicales libres y antibacterianas de extractos de corteza de pino." Madera y Bosques 12, no. 1 (2016): 37–49. http://dx.doi.org/10.21829/myb.2006.1211249.

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Se evaluó la actividad de captura de radicales libres de extractos etanólicos y acuosos de la corteza de Pinus ayacahuite, Pinus cooperi, Pinus durangensis, Pinus leiophylla y Pinus teocote, utilizando el método del radical difenilpicrilhidracilo (DPPH) , a concentraciones de extracto de (250, 500, 750, 1000 y 1250) mg L-1. La actividad se comparó con la de los antioxidantes comerciales butilhydroxitolueno (BHT) y butilhydroxianisol (BHA) . Los extractos etanólicos presentaron mayor actividad que los acuosos, sobresaliendo las especies P. leiophylla y P. durangensis, con capacidades antirradic

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Yang, Hui, Li Li, Fu Xin Yang, Ying Yue Zhou, Li Juan Ou, and Shuai Feng Hu. "Preparation and Properties of Complex Antioxidants LDPE Antioxidant Film." Advanced Materials Research 989-994 (July 2014): 519–22. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.519.

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Low density polyethylene (LDPE) films contains BHA, BHT or BHA, BHT, TA were successfully produced by extrusion. Three types of antioxidant films that were L(LDPE), LBB(LDPE+0.5%BHA+0.5%BHT), and LBBT(LDPE+0.5%BHA+0.5%BHT+0.5%TA) was designed. The Mechanics, moisture permeability, scanning electron microscopy (SEM) and antioxidant activity of the film were detected. The results showed that antioxidant consisting of BHA, BHT and TA has a better compatibility with LDPE film. The antioxidant film has a better performance on mechanical strength and the rate of DPPH radical scavenging ability, but

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Wang, Yu-Wen, Ya-Na Li, Qin-Bao Lin, Xiao Wang, Zeng-Hui Li, and Kai-Xuan Wu. "Functional and Antioxidant Properties of Plastic Bottle Caps Incorporated with BHA or BHT." Materials 14, no. 16 (2021): 4545. http://dx.doi.org/10.3390/ma14164545.

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In this study, we prepared new antioxidant active plastic bottle caps by incorporating butylated hydroxyanisole (BHA) or butylated hydroxytoluene (BHT) and 2% (w/w) white masterbatch in high-density polyethylene (HDPE). Fourier-transform infrared (FT-IR) spectrometry revealed that the antioxidants and HDPE were uniformly mixed with noncovalent bonding. In addition, the differential scanning calorimetry (DSC) test revealed that the change in melting point and initial extrapolation temperature of the antioxidant active caps was not significant. Sensory evaluation and removal torque tests validat

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6

Rocha Junior, Carlos Magno da, Antônio Gilberto Bertechini, Alexandre de Oliveira Teixeira, et al. "Evaluation of antioxidants on oxidative stability and fatty acid profile of poultry offal oil used in the pet food industry." Semina: Ciências Agrárias 42, no. 3Supl1 (2021): 1813–24. http://dx.doi.org/10.5433/1679-0359.2021v42n3supl1p1813.

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The aim of this study was to examine the use of antioxidants on the oxidative stability of poultry offal oil used in the pet food industry. Five commercial synthetic and two natural antioxidants were used in the following treatments: Control (CON); CON + (BHT + BHA + ETH95); CON + (BHT + BHA); CON + (BHA + PG + CA); CON + (BHT + BHA + ETH70); CON + BHA; CON + (ASC + rosemary); and CON + (ASC + tocopherols). Inclusion levels were 0.5% for the synthetic and 0.625% for the natural antioxidants. Oxidative stability was determined at three temperatures (90, 110 and 130 ºC). To determine the fatty a

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7

Huyut, Zübeyir, Şükrü Beydemir, and İlhami Gülçin. "Antioxidant and Antiradical Properties of Selected Flavonoids and Phenolic Compounds." Biochemistry Research International 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/7616791.

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Phenolic compounds and flavonoids are known by their antioxidant properties and one of the most important sources for humans is the diet. Due to the harmful effects of synthetic antioxidants such as BHA and BHT, natural novel antioxidants have become the focus of attention for protecting foods and beverages and reducing oxidative stressin vivo. In the current study, we investigated the total antioxidant, metal chelating, Fe3+and Cu2+reduction, and free radical scavenging activities of some phenolic and flavonoid compounds including malvin, oenin, ID-8, silychristin, callistephin, pelargonin, 3

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JEREMIAH, L. E. "Effects of Antioxidants on Rancidity Development and Palatability of Frozen Bacon." Journal of Food Protection 48, no. 8 (1985): 653–58. http://dx.doi.org/10.4315/0362-028x-48.8.653.

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The efficacy of four antioxidants for retarding rancidity development and maintaining the palatability of frozen bacon slices were examined. The antioxidants (ascorbic acid, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and propyl gallate) were incorporated into a dry sugar bacon cure alone or in combination. Results indicated that the incorporation of these antioxidants alone or in combination generally reduced rancidity develoment in bacon slices during prolonged frozen storage. However, the combination of BHA, BHT and propyl gallate was the only antioxidant treatment which

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Jacobson, J. M., J. R. Michael, M. H. Jafri, and G. H. Gurtner. "Antioxidants and antioxidant enzymes protect against pulmonary oxygen toxicity in the rabbit." Journal of Applied Physiology 68, no. 3 (1990): 1252–59. http://dx.doi.org/10.1152/jappl.1990.68.3.1252.

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Two major lines of defense exist against oxidant lung injury: tissue antioxidants and antioxidant enzymes. We studied pretreatment with the antioxidants, vitamin E and butylated hydroxyanisole (BHA), and the antioxidant enzymes, superoxide dismutase (SOD) and catalase, in rabbits exposed to 100% O2 for 48 h. BHA (200 mg/kg ip) or vitamin E (50-100 mg/kg po) were given for 2 or 3 days, respectively, before O2 exposure. Combined therapy with polyethylene glycol- (PEG) conjugated SOD (12 mg/kg) and catalase (200,000 U/kg) was given intraperitoneally 1 h before and 24 h after beginning 100% O2. Hy

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Kumar, Ashwani, Vikas Anand, R. C. Dubey, and Kapil K. Goel. "Evaluation of antioxidant potential of alcoholic stem bark extracts of Bauhinia variegata Linn." Journal of Applied and Natural Science 11, no. 1 (2019): 235–39. http://dx.doi.org/10.31018/jans.v11i1.2015.

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The present study was carried out for the evaluation of in-vitro antioxidant potential of alcoholic stem bark (ALSB) extract of Bauhinia variegata Linn. Dried stem bark extract of B. variegata Linn. was screened to evaluate its free radical scavenging effect. Various methods like DPPH assay, reducing power assay, percentage scavenging activity of hydrogen peroxide and superoxide radical scavenging activity were used for screening in-vitro antioxidant potential. Antioxidant potentials were concentration dependent which were compared with standard antioxidants such as butylated hydroxyanisole (B

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Akhtar, H., I. Tariq, S. Mahmood, S. Hamid, and R. Khanum. "Effect of antioxidants on stability, nutritional values of refined sunflower oil during accelerated storage and thermal oxidation in frying." Bangladesh Journal of Scientific and Industrial Research 47, no. 2 (2012): 223–30. http://dx.doi.org/10.3329/bjsir.v47i2.11458.

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Untreated sunflower oil (without antioxidants) was much more affected during long storage as well as by the thermal oxidation in 4 hours frying process. The shelf life of oil was increased both during storage and in frying process at elevated temperature by the addition of synthetic antioxidants. TBHQ (Tertiory butyl hydroquinone) BHT (Butylated hydroxyl toluene) BHA (Butylatd hydroxyl amine) and the mixture of BHA and BHT used in the present study in 0.02, 0.02, 0.02 and 0.01+0.01 amount respectively to observe the stability of refined sunflower when stored at 30°C for 21 weeks in transparent

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12

Karamac, M., and R. Amarowicz. "Antioxidant activity of BHA, BHT and TBHQ examined with Miller's test." Grasas y Aceites 48, no. 2 (1997): 83–86. http://dx.doi.org/10.3989/gya.1997.v48.i2.772.

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13

AL-KHAYAT, MOHAMMED A., GREG BLANK, and COSTAS BILIADERIS. "Germination and Outgrowth of Bacillus subtilis Spores in the Presence of Selected Antioxidants." Journal of Food Protection 50, no. 3 (1987): 206–11. http://dx.doi.org/10.4315/0362-028x-50.3.206.

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Germination and outgrowth of Bacillus subtilis spores was investigated using laboratory media containing butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), tertiary butylhydroquinone (TBHQ) and propyl gallate (PG). Although all antioxidants inhibited or retarded germination initiation and outgrowth, only BHA and TBHQ were effective at relatively low concentrations (150 and 100 ppm, respectively). Furthermore, BHA and TBHQ (150 ppm) were also shown to reduce spore growth by approximately 1 and 4 log10 within 72 and 6 h, respectively. The difference in the number of survivors betwee

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Takami, M., S. L. Preston, V. A. Toyloy, and Harold R. Behrman. "Antioxidants reversibly inhibit the spontaneous resumption of meiosis." American Journal of Physiology-Endocrinology and Metabolism 276, no. 4 (1999): E684—E688. http://dx.doi.org/10.1152/ajpendo.1999.276.4.e684.

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We previously showed that the cell-permeant antioxidant 2(3)- tert-butyl-4-hydroxyanisole (BHA) inhibited germinal vesicle breakdown (GVBD) in oocyte-cumulus complexes (OCC) of the rat. The objective of the present studies was to assess other antioxidants and whether such inhibition was reversible. Spontaneous GVBD in OCC incubated for 2 h was significantly inhibited ( P < 0.005) by nordihydroguaiaretic acid (NDGA; GVBD = 19.4%), BHA (GVBD = 25.7%), octyl gallate (OG; GVBD = 52.2%), ethoxyquin (EQ; GVBD = 58.8%), 2,6-di- tert-butyl-hydroxymethyl phenol (TBHMP; GVBD = 59%), butylated hydroxy

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15

Li, Dong, Yong Zuo, Chun Li Liu, et al. "Effects of Antioxidants on the Anti-Oxidative Protection of Tengjiao(Zanthoxylum schinifolium) Oil." Advanced Materials Research 554-556 (July 2012): 1305–8. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.1305.

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The effects of different antioxidants on anti-oxidative protection of the Tengjiao (Zanthoxylum schinifolium) oil during its conservation were studied by Schaal-oven test according to the peroxide value(PV) and acid value(AV) of the oil. The results indicate that TBHQ and TBHQ+AP compound antioxidant, have good anti-oxidative protection on Tengjiao oil, the antioxidant activity of BHA+AP was the lowest, and citric acid exhibited great anti-oxidative protection and synergistic antioxidant effect.A positive interaction was found between TBHQ and AP; whereas a negative interaction was observed be

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Fasihnia, Seyedeh Homa, Seyed Hadi Peighambardoust, Seyed Jamaleddin Peighambardoust, et al. "Properties and Application of Multifunctional Composite Polypropylene-Based Films Incorporating a Combination of BHT, BHA and Sorbic Acid in Extending Donut Shelf-Life." Molecules 25, no. 21 (2020): 5197. http://dx.doi.org/10.3390/molecules25215197.

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To extend the shelf-life of packaged donut without the addition of preservative, polypropylene-based active composite films loaded with a combination of sorbic acid, BHA and BHT were prepared by the extrusion moulding method: T1 (Control-pure PP-film), T2 (PP-BHT1%-SA2%), T3 (PP-BHA3%-SA2%) and T4 (PP-BHT1%-BHA1%-SA2%). The incorporation of active additives enhanced water vapour permeability (WVP) and increased oxygen permeability of films. Active films had higher antioxidant activity than pure PP in the order T4 > T2 > T3 (89.11, 83.40 and 79.16%). In vitro examinations demonstrated a s

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Mohamed Shameer, P., and P. Mohamed Nishath. "Investigation and enhancement on fuel stability characteristics of biodiesel dosed with various synthetic antioxidants." Energy & Environment 29, no. 7 (2018): 1189–207. http://dx.doi.org/10.1177/0958305x18772415.

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Nearly 350 species of biodiesel feedstocks have been identified by many researchers for the past few decades. Unlike petroleum diesel, the biodiesel degrades rapidly and deterioration of its quality occurred while contacting with atmospheric oxygen. This main drawback of instability of fuel properties limited the commercial use of biodiesel in the global fuel market. To inhibit this oxidative degradation of biodiesel, the antioxidants are used. Comparing to other antioxidants, the synthetic antioxidants (phenolic) are more efficient. This study investigates the effects of commercially availabl

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Soydan, Mehmet Gökhan, and Fatime Erdoğan. "Effects of various antioxidants on oxidative stability of anchovy (Engraulis encrasicolus) oil." Ege Journal of Fisheries and Aquatic Sciences 36, no. 4 (2019): 367–72. http://dx.doi.org/10.12714/egejfas.36.4.07.

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The aim of study was to investigate four commercial available antioxidants (groups A (300 mg propyl gallate (PG)+10 mg rosemary extract (RE)/1000 mg), B (240 mg butylated hydroxy anisole (BHA)+80 mg PG+80 mg citric acid (CA)/1000 mg), C (120 mg BHA+120 mg PG+50 mg CA)/1000 mg), D (150 mg butylated hydroxytoluene (BHT)+100 mg BHA+10 mg PG)/1000 mg) used to evaluate oxidation during the storage in fish oil. Antioxidants were added to the fish oil to determine which ones were most effective in preventing oxidation, and fish oil was stored in the amber bottles at room temperature (20 °C) for 90 da

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Sultana, Khudsia, K. Jayathilakan, and M. C. Pandey. "Evaluation of Antioxidant Activity, Radical Scavenging, and Reducing Power of Clove Oil and Clove Oleoresin in Comparison with Natural and Synthetic Antioxidants in Chevon (Capra aegagrus hircus) and Chicken Meat." Defence Life Science Journal 3, no. 1 (2017): 51. http://dx.doi.org/10.14429/dlsj.3.12016.

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<p>The antioxidant effects of clove oil (CO) and oleoresin (OR) in two species of meat i.e. chicken and chevon during refrigerated storage (4±1°C) were investigated. The antioxidant potential (AOP) and radical scavenging activities were compared with natural (α-Tocopherol &amp; <em>L</em>-ascorbic acid) and synthetic antioxidants (BHA &amp; TBHQ). CO &amp; TBHQ, BHA &amp; OR and L-ascorbic acid and α-Tocopherol produced 84-79%, 68-77% and 68-59% AOP respectively in both species. DPPH and ABTS methods of scavenging assay established better scavenging capability

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Glodde, Florentina, Mevlüt Günal, Mary E. Kinsel, and Amer AbuGhazaleh. "Effects of natural antioxidants on the stability of omega-3 fatty acids in dog food." Journal of Veterinary Research 62, no. 1 (2018): 103–8. http://dx.doi.org/10.2478/jvetres-2018-0014.

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AbstractIntroductionThe efficiency of five natural antioxidants (curcumin, cranberry, pomegranate, grape seed extract (GSE), and açai berry) in reducing lipid oxidation in dog food was compared to that of the synthetic antioxidant butylated hydroxyanisole (BHA).Material and MethodsIn two different experiments content parameters were measured after 12 days of storage at 55°C. In experiment one, the natural antioxidants were added at 0.2% and BHA at 0.02% of the food (DM basis), and samples were analysed for thiobarbituric acid-reactive substances (TBARS). In experiment two, the effects of GSE a

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Hayes, J. D., S. A. Chanas, C. J. Henderson, et al. "The Nrf2 transcription factor contributes both to the basal expression of glutathione S-transferases in mouse liver and to their induction by the chemopreventive synthetic antioxidants, butylated hydroxyanisole and ethoxyquin." Biochemical Society Transactions 28, no. 2 (2000): 33–41. http://dx.doi.org/10.1042/bst0280033.

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An overview is provided of the cancer chemo-prevention actions of phenolic antioxidants and 6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline (ethoxyquin). These agents principally appear to exert their beneficial effects through induction of phase II drug-metabolizing enzymes such as glutathione S-transferase (GST). The requirement for oxidative metabolism of the synthetic antioxidants to carbonyl-containing compounds, including quinones, in order that they can induce gene expression is discussed. Previous work has shown that the basic leucine zipper transcription factor Nrf2 is involved in induc

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Gul, Melek, Irem Kulu, Aysegul Peksel, and Nuket Ocal. "Evaluation of the Antioxidative Properties ofN-Acylamino-Substituted Tricyclic Imides." Journal of Chemistry 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/920130.

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NewN-acylamino-substituted tricyclic imides have been screened for scavenging ability against the free radical 2,2-diphenyl-1-picryl-hydrazyl (DPPH•), chelating activity on ferrous ions, and reductive potential. The results were compared with synthetic antioxidants BHT, BHA, and Trolox. The compounds exhibited different levels of antioxidant activity in all tests.

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Thao, Phan Thi Phuong, Tran Thi Thu Hang, Pham Le Nguyet Anh, and Vu Hong Son. "Investigating the Potential of Vietnamese Tea Seed Oil (Camellia sinensis O.Kuntze) for the Enhancement of Oxidative Stability in Vegetable Oils." Vietnam Journal of Agricultural Sciences 4, no. 1 (2021): 955–64. http://dx.doi.org/10.31817/vjas.2021.4.1.06.

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This study examined the effectiveness of different antioxidative compounds, namely 0.2% BHA (Butylated hydroxyanisole) + BHT (butylated hydroxytoluene), 0.03% α – tocopherol, and 3% and 6% tea seed oil (TSO) on the oxidative stability of vegetable oils. Four commonly used oils, viz. rapeseed oil (RSO), peanut oil (PNO), sunflower oil (SFO), and soybean oil (SBO), were assessed by the Schall Oven test method and monitored during the 12-day preservation period under 60°C. The total oxidation values (TOTOX) of the samples treated with 6% TSO were lower than those treated with 0.2% BHA+BHT. The re

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Goh, Kok Ming, Yu Hua Wong, Faridah Abas, et al. "Changes in 3-, 2-Monochloropropandiol and Glycidyl Esters during a Conventional Baking System with Addition of Antioxidants." Foods 9, no. 6 (2020): 739. http://dx.doi.org/10.3390/foods9060739.

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Shortening derived from palm oil is widely used in baking applications. However, palm oil and the related products are reported to contain high levels of monochloropropandiol (MCPD) ester and glycidyl ester (GE). MCPD and glycidol are known as process contaminants, which are carcinogenic and genotoxic compounds, respectively. The objective was to evaluate the effects of antioxidant addition in palm olein and stearin to the content of MCPD esters and GE in baked cake. Butylated hydroxyanisole (BHA), rosemary extract and tocopherol were used to fortify the samples at 200 mg/kg and in combination

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Molaee, Mohammad, Mohammad A. Sahari, Reza E. Kenari, Shiva Amirkaveei, and Elahe Arbidar. "Antioxidant Properties of Avicennia marina Leaf Extract in Soybean Oil System." Current Nutrition & Food Science 16, no. 8 (2020): 1245–51. http://dx.doi.org/10.2174/1573401316666200217120327.

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Background: Despite the widespread use of antioxidants during the storage of oils, oxidation of fats and fatty foods is still reported to be the main reason for their quality drop. Synthetic antioxidants such as butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) completely escape and easily decompose at high temperatures. There are serious problems in relation to the toxicity of BHA, BHT and tertiary butylhydroquinone (TBHQ), possibly due to their metabolism and accumulation in organs and tissues. So finding a useful natural antioxidant is of great importance, and due to the con

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Halek, Farah, and Ali Kavousi-Rahim. "Influence of antioxidant addition on the emissions of a diesel engine by using waste cooking oil biodiesel." Energy & Environment 29, no. 5 (2018): 732–41. http://dx.doi.org/10.1177/0958305x18758488.

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Biodiesel is a renewable energy resource consisting of the alkyl monoesters of fatty acids obtained from vegetable oils, waste cooking oils, or animal fats. Biodiesel has been noticed recently as an alternative to fossil fuels. Previous studies have shown that biodiesel produces less pollutants compared to diesel fuel. Biodiesel fuel increases the emission of NOx exceptionally. Recently, it has been found that antioxidant addition to biodiesel is a solution to solve the problem. The purpose of this research is to study the effect of antioxidants addition on the emissions of CO, HC, and NOx fro

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Celestino, Maísa Teodoro, Uiaran de Oliveira Magalhães, Aline Guerra Manssour Fraga, et al. "Rational use of antioxidants in solid oral pharmaceutical preparations." Brazilian Journal of Pharmaceutical Sciences 48, no. 3 (2012): 405–15. http://dx.doi.org/10.1590/s1984-82502012000300007.

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Antioxidants are currently used as efficient excipients that delay or inhibit the oxidation process of molecules. Excipients are often associated with adverse reactions. Stability studies can guide the search for solutions that minimize or delay the processes of degradation. The ability to predict oxidation reactions in different drugs is important. Methods: This study was conducted to assess the rational use of butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), sodium metabisulfite (SMB), propyl gallate (PG) and cysteine (CYS) in tablet formulations of simvastatin and ketoconazol

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Moslavac, Tihomir, Stela Jokić, Ana Mrgan, et al. "Utjecaj dodatka antioksidanasa na oksidacijsku stabilnost goveđeg loja." Meso 21, no. 1 (2019): 52–61. http://dx.doi.org/10.31727/m.21.1.4.

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Influence of antioxidants on oxidative stability of beef tallow Fats are contained in the majority of foods that are consumed daily. Beef tallow is one of the most complex fats found in nature. Tallow is subject to oxidation during the production, storage and heat treatment. This study researched the effect of natural antioxidants (rosemary extract type Oxy’Less CS and type StabilEnhance, sage extract, alpha tocopherol, mixture tocopherol) and synthetic antioxidants (PG, BHA) on the oxidative stability of beef tallow. The oxidative stability of beef tallow, with and without added antioxidant,

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Ahmed MA Hamad and Milud A Altaiaf. "Evaluation of antioxidants activity of some tree barks grown in Libya (Al Jabal Al Akhdar) Pinus halepensis Mill, Pistacia lentiscus L, Juniperus phoenicea L." Magna Scientia Advanced Research and Reviews 2, no. 1 (2021): 060–66. http://dx.doi.org/10.30574/msarr.2021.2.1.0047.

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The aim of the present study investigated anti-oxidant activity of various methanol-water extracts from tree barks grown in Libya (Al Jabal AL Akhdar) by four anti-oxidant assays FRAP. DPPH. H2O2 and Metal chelating activity. Additionally, these antioxidant activities were compared with BHA, BHT as reference antioxidants. Tree bark has a large, diverse class of compounds, many with antioxidant properties. This study showed FRAP inhibitory activity of the Pinus halepensis bark extracts 56.8%, while Juniperus phoenicea L 57.6%, and Pistacia lentiscus L bark extracts was 69.2% The DPPH radical sc

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Tehseen, M., S. Hina, Alim Un Nisa, and A. Ahmad. "Oxidative stabilization of corn oil with spinach extract." Bangladesh Journal of Scientific and Industrial Research 54, no. 4 (2019): 375–82. http://dx.doi.org/10.3329/bjsir.v54i4.44572.

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The present study was aimed to analyze the antioxidant activity of spinach (Spinacia oleracea) extract in oxidative stabilization of refined, bleached and de-odorized (RBD) corn oil (CO). Corn oil was supplemented with three different concentrations 600, 1200 and 1800 ppm of methanolic spinach extract and then stored at 25oC and 60oC. Different oxidation measuring parameters such as peroxide value (PV), free fatty acid (FFA) value, iodine value (IV), conjugated dienes (CD), conjugated trienes (CT) and para-anisidine value (PAV) were examined. The potency of spinach extract as natural antioxida

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BARBERIS, C. L., A. L. ASTORECA, A. M. DALCERO, and C. E. MAGNOLI. "Food-Grade Antioxidants and Antimicrobials To Control Growth and Ochratoxin A Production by Aspergillus Section Nigri on Peanut Kernels." Journal of Food Protection 73, no. 8 (2010): 1493–501. http://dx.doi.org/10.4315/0362-028x-73.8.1493.

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Each year, a significant portion of the peanuts produced cannot be marketed because of fungal disease at the postharvest stage and mycotoxin contamination. Antioxidants could be used as an alternative to fungicides to control ochratoxigenic fungi in peanuts during storage. This study was carried out to determine the effect of the antioxidant butylated hydroxyanisole (BHA) and the antimicrobial propyl paraben (PP) on the lag phase before growth, growth rate, and ochratoxin A (OTA) production by Aspergillus section Nigri strains in peanut kernels under different conditions of water activity (aw)

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Yuksek, H., O. Akyildirim, and O. Gursoy Kol. "Synthesis and In Vitro Antioxidant Evaluation of New 1,3,5-Tri-{2-methoxy-4-[(4,5-dihydro-1H-1,2,4-triazol-5-on-4-yl)-azomethine]-phenoxycarbonyl}-Benzene Derivatives." Journal of Chemistry 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/517420.

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Nine new 4,5-dihydro-1H-1,2,4-triazol-5-one derivatives were synthesized and characterized by elemental analyses and IR,1H-NMR,13C-NMR and UV spectral data. The synthesized compounds were analyzed for theirin vitropotential antioxidant activities in three different methods. Those antioxidant activities were compared to standard antioxidants such as BHA, BHT andα-tocopherol. Compounds4e,5aand5dshowed best activity for iron binding. In addition, the compounds4were titrated potentiometrically with tetrabutylammonium hydroxide (TBAH) in four non-aqueous solvents (isopropyl alcohol,tert-butyl alcoh

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Kol, O. Gursoy, and H. Yuksek. "Synthesis and In Vitro Antioxidant Evaluation of Some Novel 4, 5-Dihydro-1H, 2, 4-triazol-5-one Derivatives." E-Journal of Chemistry 7, no. 1 (2010): 123–36. http://dx.doi.org/10.1155/2010/407603.

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In this study, thirteen novel 4,5-dihydro-1H-1,2,4-triazol-5-one derivatives were synthesized and characterized by elemental analyses and IR,1H NMR,13C NMR and UV spectral data. The synthesized compounds were analyzed for theirin vitropotential antioxidant activities in three different methods. Those antioxidant activities were compared to standard antioxidants such as BHA, BHT andα-tocopherol. The data reveal that the compounds demonstrate a marked capacity for iron binding, especially5aand7cIn addition to this, the compounds4were titrated potentiometrically with TBAH in non-aqueous solvents

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Guntero, Vanina A., Cristián A. Ferretti, Carla Ormachea, Pedro M. E. Mancini, and María N. Kneeteman. "Antioxidant Activity of Biphenolic Compounds Anchored on Mesoporous Alumina." Proceedings 41, no. 1 (2019): 37. http://dx.doi.org/10.3390/ecsoc-23-06498.

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Phenolic antioxidants are used in the industry to delay the oxidation of fats, with the most used being butyl hydroxy anisole (BHA) and butyl hydroxy toluene (BHT). However, the consumer concern regarding their safety has motived the study of natural alternatives. In this sense, the aim of this work was to evaluate the behavior of 3,3′-dimethoxy-5,5′-di-2-propenyl-1,1′-biphenyl-2,2′-diol and 6,6′-dihidroxi-5,5′-dimethoxy-(1,1′-biphenyl)-3,3′-dicarbaldehyde free and supported on mesoporous alumina. Biphenolic compounds were synthetized by radical coupling and then anchored on alumina by microwa

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Passone, M., M. Doprado, and M. Etcheverry. "Food-grade antioxidants for control of Aspergillus section Flavi and interrelated mycoflora of stored peanuts with different water activities." World Mycotoxin Journal 2, no. 4 (2009): 399–407. http://dx.doi.org/10.3920/wmj2008.1110.

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The inhibitory effect of butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) mixture on fungal populations, Aspergillus section Flavi and aflatoxins accumulation in in-pod peanuts during storage in big bags was investigated. In-pod peanuts were previously conditioned at different water activities (0.94, 0.88, 0.84 and 0.76 aw) and treated with food-grade antioxidants. Both control and treated peanuts were stored for 6 months and sampled at monthly intervals. BHA-BHT mixture reduced the incidence of peanut fungal populations between 0.6-20.4% and between 1.2-33.1% during 1-3 and 4

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Kivevele, Thomas, and Zhongie Huan. "Mungongo Seeds Oil (Schinziophyton rautanenii) as a Potential Source of Bio-Diesel." Applied Mechanics and Materials 472 (January 2014): 780–84. http://dx.doi.org/10.4028/www.scientific.net/amm.472.780.

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Biodiesel from mungongo seeds oil (Schinziophyton rautanenii) was investigated in the present study to determine its suitability for use as substitute of petro diesel. The fuel properties of Mungongo Oil Methyl ester (MOME) such as cetane number, kinematic viscosity, oxidative stability, lubricity, cloud point, pour point, cold filter plugging point, flash point, acid value, density, higher heating value, free and total glycerol were determined and compared with global biodiesel standards such as ASTM 6751 and EN 14214. Most of the determined fuel related properties of MOME fulfilled the minim

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Rasheed, Sonia, Muhammad Imran, Summia Rehman, et al. "Scavenging Activity of Grapefruit Peel and Seed Extract, a Natural Source of Antioxidant for the Stabilization of Soybean and Sunflower Oil." Revista de Chimie 68, no. 7 (2017): 1466–69. http://dx.doi.org/10.37358/rc.17.7.5697.

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Grapefruit is source of anticancer and antioxidant reagents. Extracts of grapefruit peel (Gf-P) and seeds (Gf-S) were screened for their antioxidant capabilities at room temperature to stabilize soybean and sunflower oil for a storage period of 45 days. b-carotene linoleic acid system, FRAP assay, ABTS method were performed for the measurement of antioxidant potential of Gf-P and Gf-S. Oil samples containing extracts of Gf-P and Gf-S at 400 ppm, 800 ppm, 1200 ppm concentrations as well as synthetic antioxidants (BHT and BHA) at 200 ppm concentration were prepared. Free fatty acid (%) and perox

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Rehman, Rabia, Asma Raza, and Liviu Mitu. "Evaluation of Antioxidant Prospective of Diospyros malabarica Methanolic Extract for Improving Oxidative Stability of Mustard Oil." Revista de Chimie 71, no. 8 (2020): 183–94. http://dx.doi.org/10.37358/rc.20.8.8292.

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Antioxidants are substances which inhibit auto-oxidation of oils and fats by donating an atom of hydrogen to free radicals produced in the initial stages of autooxidation. In the course of the past two decades, a lot of work is done on application of natural plants extracts as preservative in edible oils due to the drift towards reducing the use of synthetic food additives. The aim of this research project was to estimate antioxidant efficacy of pharmaceutical plant species of Pakistan origin famous as �Gaab tree� (Diospyros malabarica), in local language and its use as a stabilizing agent for

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MURCIA, M. ANTONIA, and MAGDALENA MARTÍNEZ-TOMÉ. "Antioxidant Activity of Resveratrol Compared with Common Food Additives." Journal of Food Protection 64, no. 3 (2001): 379–84. http://dx.doi.org/10.4315/0362-028x-64.3.379.

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Resveratrol is a phenolic compound of the stilbene family present in wines and various parts of the grape, including the skin. In this study, the antioxidant and prooxidant activities of resveratrol were compared with other antioxidants (butylated hydroxytoluene [BHT], butylated hydroxyacetone [BHA], phenol, propyl gallate [PG], sodium tripolyphosphate [TPP], α-tocopherol, and vanillin) widely used in foods. The ability of these compounds to inhibit lipid peroxidation was as follows: BHA &gt; resveratrol &gt; PG &gt; tripolyphosphate &gt; vanillin &gt; phenol &gt; BHT &

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Sun, Q. Y., L. Lai, R. S. Prather, and H. Schatten. "Antioxidants stimulate meiosis resumption, but inhibit mitogen-activated protein kinase phosphorylation and further cell cycle progression in porcine oocytes." Reproduction, Fertility and Development 12, no. 8 (2000): 383. http://dx.doi.org/10.1071/rd00104.

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In the present study the effects of two cell-permeant antioxidants, 2(3)-tert-butyl-4-hydroxyanisole (BHA) and nordihydroguaiaretic acid (NDGA), on porcine oocyte meiosis resumption, chromatin behaviour and spindle assembly were investigated. The antioxidants BHA and NDGA stimulated meiosis resumption in a dose-dependent manner in both cumulus-enclosed and denuded porcine oocytes. Afterin vitro culture for 8 h, few oocytes underwent germinal vesicle breakdown (GVBD) in control groups, whereas GVBD occurred in high percentages of oocytes treated with BHA or NDGA at concentrations that inhibit G

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Milovanovic, Mirjana, Dusan Zivkovic, and Biljana Vucelic-Radovic. "Antioxidant Effects of Glechoma hederacea as a Food Additive." Natural Product Communications 5, no. 1 (2010): 1934578X1000500. http://dx.doi.org/10.1177/1934578x1000500116.

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The antioxidant properties of Glechoma hederacea L. (Lamiaceae), of Serbian origin, were studied in respect to its potential use in foodstuffs. Ethanol-water (8:2, v/v) and purified ethyl acetate extracts of the plant were found to possess significant antioxidant activity. Tests were performed on two different substrates, prime steam pork lard and active-carbon-treated edible sunflower oil, using Schaal oven test storage conditions at 60°C. The ethanol-water and purified ethyl acetate extracts of G. hederacea showed strong concentration-dependent antioxidant activity. On the contrary, under th

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Ansar, S., and M. Iqbal. "Antioxidant and nephroprotective potential of butylated hydroxyanisole against ferric nitrilotriacetate-induced oxidative stress and early tumor events." Human & Experimental Toxicology 35, no. 4 (2015): 448–53. http://dx.doi.org/10.1177/0960327115591378.

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The present study was aimed to study protective effect of butylated hydroxyanisole (BHA), a phenolic antioxidant used in foods on ferric nitrilotriacetate (Fe-NTA)–induced nephrotoxicity. Male albino rats of Wistar strain (4–6 weeks old) weighing 125–150 g were used in this study. Animals were given a single dose of Fe-NTA (9 mg kg−1 body weight) after treatment with BHA (1 and 2 mg animal−1 day−1). Fe-NTA treatment enhanced ornithine decarboxylase (ODC) activity to 5.3-fold, and [3H]-thymidine incorporation in DNA to 2.5-fold in kidney compared with the corresponding saline-treated control, w

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Meng, Zhi Fen, Xue Feng Guo, Yong Zhu, and Shu Ke Jing. "Analysis of Antioxidant Properties and Major Components of the Extract of Paulownia tomentosa Steud Flowers." Advanced Materials Research 1010-1012 (August 2014): 164–77. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.164.

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PaulowniatomentosaSteud flowers have been used for many therapeutic purposes in traditional pharmacopeia. The components of the extract ofPaulowniatomentosaSteud flowers were separated using ethanol elution. The antioxidant properties of different components (20% component, 40% component, 60% component, and 80% component) and synthetic antioxidants (BHA and BHT) were evaluated by scavenging DPPH, superoxide anions, and hydroxyl radical methods. All components showed strong antioxidant properties, especially the 60% component, which exhibited excellent antioxidant activity. These components may

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Stajcic, Sladjana, Gordana Cetkovic, Sonja Djilas, and Jasna Canadanovic-Brunet. "Kinetic study of the DPPH antiradical activity of lipophilic tomato waste extracts." Acta Periodica Technologica, no. 44 (2013): 301–12. http://dx.doi.org/10.2298/apt1344301s.

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In this study, lipophilic tomato waste extracts (obtained from the Knjaz, Backa, Saint Pierre, Rutgers and Novosadski niski genotypes) were analyzed to determine their lycopene and ?-carotene content, as well as their kinetics of antiradical activity. The kinetic behaviour of lipophilic tomato waste extracts and standard antioxidant compound (BHA) were investigated using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical test. In addition, correlations between the contents of lycopene and ?-carotene content and antiradical activity of lipophilic tomato waste extracts were also sought. The conten

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Ajeena, Saba J. "Effect of Bay leaves (Laurus nobilis) Plant Extracts as Anti-Oxidant on Crud Sun flower Oil." Iraqi Journal of Veterinary Medicine 36, no. 2 (2012): 111–18. http://dx.doi.org/10.30539/iraqijvm.v36i2.455.

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This investigation was carried out to study the Bay leaves (Laurus nobilis) and extracted three types of Aqueous, Ethanolic alcohol, Essential oil extracts of leaf plant powder study. The performance of extracts as anti-oxidant agent were evaluated by estimate the value of Thiobarbituric acid (TBA) of sunflower oil to these extracts in concentrate% 0.04 and %0.02 compared with commercial antioxidant BHA (Butylated hydroxyl anisole) and BHT (Butylated hydroxyl toluene) in concentrate % 0.02 , in addition to the control sample (of crude sunflower oil without any additives) during 16 days storage

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Babovic, Nada, and Slobodan Petrovic. "Obtaining of the antioxidants by supercritical fluid extraction." Chemical Industry 65, no. 1 (2011): 79–86. http://dx.doi.org/10.2298/hemind100713064b.

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One of the important trends in the food industry today is demand for natural antioxidants from plant material. Synthetic antioxidants such as butylated hydroxytoluene (BHT), and butylated hydroxyanisole (BHA) are now being replaced by the natural antioxidants because of theirs possible toxicity and as they may act as promoters of carcinogens. The natural antioxidants may show equivalent or higher antioxidant activity than the endogenous or the synthetic antioxidants. Thus, great effort is being devoted to the search for alternative and cheap sources of natural antioxidants, as well as to the d

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Hocman, Gabriel. "Chemoprevention of cancer: Phenolic antioxidants (BHT, BHA)." International Journal of Biochemistry 20, no. 7 (1988): 639–51. http://dx.doi.org/10.1016/0020-711x(88)90158-9.

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Chen, Q. Q., H. Pasdar, and X. C. Weng. "Butylated methyl caffeate: a novel antioxidant." Grasas y Aceites 71, no. 2 (2020): 352. http://dx.doi.org/10.3989/gya.0226191.

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A novel caffeic acid derivative, butylated methyl caffeate (BMC), was synthesized via esterification between butylated caffeic acid (BCA) and methanol. Its antioxidant activity was investigated and compared to TBHQ, caffeic acid (CA), methyl caffeate (MC) and BCA through deep-frying, an oven test in oil-in-water emulsions and DPPH radical scavenging. BMC showed the strongest antioxidant activity among the five antioxidants in emulsions and its antioxidant activity was almost as strong as BCA in frying. Its soybean oil-water partition coefficient was 9.18 due to its ester and tert-butyl groups

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Purwadi, Ronny, Vita Wonoputri, Febri Ulfa Fitriana, and Najwa Shufia Choliq. "Variasi Antioksidan dalam Pembuatan Protected Active Dried Yeast." Jurnal Teknik Kimia Indonesia 19, no. 1 (2021): 1. http://dx.doi.org/10.5614/jtki.2020.19.1.1.

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Abstrak. Penggunaan antioksidan pada pembuatan protected active dried yeast (PADY) dapat memperpanjang umur simpan ragi kering. Antioksidan yang sering digunakan adalah antioksidan sintesis BHA dan BHT yang diduga bersifat karsinogenik. Penelitian ini bertujuan untuk mencari alternatif antioksidan yang lebih aman. Lima antioksidan yaitu asam sitrat, asam askorbat, tokoferol, natrium eritrobat, dan askorbil palmitat pada rentang konsentrasi 0,025-0,5% diuji pada suspensi ragiuntuk mempelajari efek inhibisi dari antioksidan tersebut. Uji laju produksi CO2 menunjukkan sifat noninhibisi dari asam

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Ishola, Hakeem, Elisha Jiya, John Adama, and Olushola Alabi. "Effects of natural antioxidant extract supplementation on the growth performance and meat quality of broiler chickens." Journal of Agricultural Sciences, Belgrade 65, no. 4 (2020): 405–17. http://dx.doi.org/10.2298/jas2004405i.

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The study examined the effect of dietary antioxidant supplementation on the performance and meat quality of broiler chickens. Namely, 300 one-day-old Arbor Acres broiler chicks were fed a starter diet from 1 to 4 weeks and a finisher diet for the last 4 weeks. Birds were randomly assigned to treatments based on antioxidant supplementation in drinking water at 0.02% butylated hydroxyanisole (BHA), ordinary water (OW), 0.02% sweet orange peel extract (SOPE), 0.02% shaddock peel extract (SHPE) and 0.02% lemon peel extract (LMPE) per litre of water in a completely randomized design experiment. Fee

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