Optimisation of sunflower oil deodorising: balance between oil stability and other quality attributes

Suliman, Talal Elsir Mohammed Alhassan; Zong, Meng; Li, Jin Wei; Jiang, Jiang; Liu, Yuanfa

doi:10.1111/ijfs.12156

Cited by 14 publications

(18 citation statements)

References 19 publications

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“…In accordance with Suliman, Meng, Li, Jiang, and Liu (2013), bleaching had a clear impact on carotenes of PSO, may be because of the effect of bleaching earth on yellow pigmentation ( b * value). Part of the color pigments are physically adsorbed by bleaching earth, whereas the other components are chemically bound to bleaching clay via covalent or ionic bonds (Taylor, & Ramsay, 2005; Gibon, De Greyt, & Kellens, 2007).…”

Section: Resultssupporting

confidence: 76%

Influence of refining processes on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil

Pan

Wen

Luo

et al. 2020

Journal of Food Science

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The effect of chemical refining process on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil (PSO) were investigated. In this paper, seven samples corresponding to each step of the refining process (degumming, neutralization, bleaching, deodorization, winterization, crude, and refined oils) were studied. The results showed that phenolic compounds and tocopherols were removed from PSO to a degree of 19.4% and 5.4%, respectively. In addition, the carotenoid content of PSO decreased during the refining process. The main carotenoid of PSO was found to be lutein, and the compound was lost completely during the bleaching step of the refining process. In this paper, we analyzed the variation of carotenoid content in PSO during the refining process for the first time. Neutralization affected the contents of phytosterols the most, followed by the effects of degumming and bleaching. The demonstrated results of Pearson product-moment correlation indicated that total tocopherols were significantly correlated with the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and oxygen radical absorption capacity (ORAC) values, whereas carotenoids were significantly correlated with the DPPH value. However, phenolic compounds and phytosterols have no significant difference with DPPH, 2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, ORAC, and ferric reducing antioxidant power values. The collected information can be applied to seeking out optimum factors needed to suffice the fundamental requirements for PSO production and minimize micronutrient losses to enhance its market value.Practical Application: The present study aimed to determine influence of chemical refining in the bioactive composition of perilla seed oil (PSO) as well as its antioxidant capacity in vitro. Moreover, we also intend to find the correlation between them. Results indicated that this study supplies a good reference for the industrial parameters of the refining process to minimize micronutrient losses and further obtain high-quality PSO products for consumers.

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Section: Resultssupporting

confidence: 76%

Influence of refining processes on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil

Pan

Wen

Luo

et al. 2020

Journal of Food Science

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“…In addition, the tocopherols content of crude camellia oil (325.71±16.32 mg/kg) was significantly higher than that of enzymatic degummed camellia oils (Seen in Table 5). The decrease in the total tocopherols level during the degumming process is in agreement with the results obtained by other researchers (Suliman et al 2013), and the declination of tocopherols may be due to the fact that tocopherols are unstable in the presence of air and light for longer contact time. These results indicated that more attention should be paid on the oxidative stability of degummed oils in further application.…”

Section: Oil Quality Analysissupporting

confidence: 92%

“…Samples of 3.0 g were analyzed under a heating block of 110ºC at a constant air flow of 10 L/h. The tocopherols content of the samples was measured by HPLC-UV according to Suliman et al (Suliman et al 2013). All oil samples were performed in triplicate and the mean values and standard deviations were calculated.…”

Section: Phosphorus Content Assay and Determination Of Oil Quality Inmentioning

confidence: 99%

Optimization of the degumming process for camellia oil by the use of phospholipase C in pilot-scale system

et al. 2014

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In present study, phospholipase C (PLC) was applied in camellia oil degumming and the response surface method (RSM) was used to determine the optimum degumming conditions (reaction time, reaction temperature and enzyme dosage) for this enzyme. The optimum conditions for the minimum residual phosphorus content (15.14 mg/kg) and maximum yield of camellia oil (98.2 %) were obtained at reaction temperature 53ºC, reaction time 2.2 h, PLC dosage 400 mg/kg and pH 5.4. The application of phospholipase A (PLA) -assisted degumming process could further reduce the residual phosphorus content of camellia oil (6.84 mg/kg) to make the oil suitable for physical refining while maintaining the maximal oil yield (98.2 %). These results indicate that PLC degumming process in combination with PLA treatment can be a commercially viable alternative for traditional degumming process. Study on the quality changes of degummed oils showed that the oxidative stability of camellia oil was slightly deceased after the enzymatic treatment, thus more attention should be paid to the oxidative stability in the further application.

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“…Hydrogenation yields total saturation of double bonds, resulting in miserable cold flow properties [23]. Genetic modification approach is tried either to reduce the saturated fatty acid content of the plant seed oils or to reduce the polyunsaturated fatty acid content, as these constituents have a negative impact on the thermo-oxidative stability [23,25]. Genetically modified oils consistently exhibited improved oleic acid content ranging from 84 to 88% during multiple environmental conditions [26,27].…”

Section: Introductionmentioning

confidence: 99%

Response surface methodology for optimization of bio‐lubricant basestock synthesis from high free fatty acids castor oil

Borugadda

Goud

2015

Energy Science & Engineering

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In this paper, an eco-friendly single-step process for the synthesis of biolubricant basestock from high free fatty acid (FFA) castor oil (CO) via epoxidation reaction was investigated. Influence of various process parameters on the structural modification of CO and their interaction with the maximum oxirane oxygen content (OOC) was optimized. Central composite design (CCD) as one of the tools in response surface methodology (RSM) was used to evaluate the effects of process variables on maximum OOC. Iodine value (IV) and OOC was used to monitor the progress of epoxidation. From the RSM study, the optimal condition inferred was H 2 O 2 , 1.65 mol; catalyst loading, 15.14 wt%; temperature, 52.81°C; and reaction time, 2.81 h. At this optimum condition, OOC was found to be 3.85 mass%. Further, the epoxide product was confirmed by 1 H, 13 C NMR spectral technique and OOC was determined by the standard HBr method. Finally, the significant physico-chemical properties for the prepared epoxide were determined and compared with the castor oil. 372

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Optimisation of sunflower oil deodorising: balance between oil stability and other quality attributes

Cited by 14 publications

References 19 publications

Influence of refining processes on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil

Influence of refining processes on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil

Optimization of the degumming process for camellia oil by the use of phospholipase C in pilot-scale system

Response surface methodology for optimization of bio‐lubricant basestock synthesis from high free fatty acids castor oil

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