The Effect of Ultrasonic Waves in Bleaching of Olive and Sunflower Oils and Comparison with Conventional Bleaching

Abbasi, Roya; Gharachorloo, M; Ghavami, Mehrdad; Mahmood-Fashandi, Hamid; Khaneghah, Amin Mousavi

doi:10.1111/jfpp.13079

Cited by 11 publications

(4 citation statements)

References 24 publications

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“…Sunflower oil is not known for its high carotenoid content compared with other vegetable oils. Gunstone (2011) reported the carotenoid content of sunflower oil to be between 1 and 1.5 mg/kg, while Abbasi et al (2017) reported it as 5.95 mg/kg. In this study, the carotenoid content was found to be 2.37 mg/kg.…”

Section: Resultsmentioning

confidence: 99%

Valorization of waste seashells as bioadsorbent for sunflower oil bleaching

Seçilmiş

2024

J Food Process Engineering

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In this study, the performance of waste seashells (SS) in adsorbing color and oxidation parameters during the bleaching process of sunflower oil was evaluated and compared with that of commercial clay. Seashell activation methods included microwave treatment (900 W for 30 min), acid treatment (7 N H2SO4), and a combination of both. Interestingly, the unactivated SS demonstrated superior adsorption performance compared with the activated SS. SS, which have the ability to eliminate color pigments like chlorophyll and carotenoid, were found to be effective in this regard. However, their effectiveness in reducing the peroxide and p‐anisidine value was not as successful as that of commercial clay. Free acidity content remained constant across all treatments. SS emerged as a cost‐effective alternative adsorbent, promising in preventing environmental pollution. Their use signifies a valuable contribution to sustainability. This study sheds light on SS potential as an eco‐friendly solution in industrial processes, warranting further exploration and application.Practical applicationsBiowaste valorization is a process that involves converting organic waste materials into valuable products, energy, or resources, instead of simply disposing of them in landfills or incinerating them. This approach has gained significance owing to its potential to address environmental, economic, and social challenges. In this respect, this study presents that bioadsorbent obtained from waste SS can be utilized for bleaching of sunflower oil.

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Section: Resultsmentioning

confidence: 99%

Valorization of waste seashells as bioadsorbent for sunflower oil bleaching

Seçilmiş

2024

J Food Process Engineering

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“…Abbasi ve diğ. [54], yaptıkları çalışmada ayçiçeği ve zeytinyağında geleneksel ve ultrases destekli renk açma işlemi uygulamışlardır. Ultrases destekli renk açma işlemi ultrasonik banyoda, 2 farklı sıcaklık (45 ve 60 °C) ve 3 farklı süre (10-20-30 dk.)…”

Section: Renk Açmaunclassified

Ultrasound applications in the refining of crude oil

Ablay¹,

Özdikicierler²,

Gümüşkesen³

2020

Pamukkale J Eng Sci

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Bitkisel kaynaklı tohum ve meyvelerden elde edilen ham yağların rafinasyonu, yağın yapısındaki istenmeyen bileşenlerin uzaklaştırılması ya da miktarlarının kabul edilebilir düzeye düşürülebilmesi amacıyla uygulanmaktadır. Rafinasyon işlemi sırasında istenmeyen maddeler yağdan uzaklaştırılırken ya da miktarları kabul edilebilir düzeye düşürülürken; yağda bulunan biyoaktif özellikteki bileşenler (tokoferoller, fenolik maddeler, steroller, skualen vb.) nitel ve nicel olarak kayba uğramakta, konjugasyon ve trans izomerizasyon reaksiyonları meydana gelmekte, bir proses bulaşanı olan 3-MCPD oluşabilmektedir. Rafinasyon kademelerindeki biyoaktif madde kaybını azaltmak ve/veya istenmeyen bileşiklerin oluşmasını engellemek için sistem içi, yenilikçi, teknik çözümlerin geliştirilmesi gerekmektedir. Bu amaçla; daha düşük sıcaklıkta gerçekleştirilebilen, işlem süresinin kısaltıldığı, daha az kimyasal madde kullanılan, ultrases destekli rafinasyon gibi yenilikçi ve kimyasal reaksiyonları hızlandırıcı etkisi olduğu bilinen tekniklerin uygulandığı rafinasyon akışlarının geliştirilmesi gerekmektedir. Bu derlemede; ultrases destekli degumming, asitlik giderme ve renk açma konusunda yapılan bilimsel çalışmalar detaylı olarak ele alınarak özetlenmiştir.The refining of crude oils obtained from plant origin seeds and fruits is applied in order to remove the undesirable components in the oil or to reduce the amount to an acceptable level. While the unwanted substances are removed from the oil during the refining process or the quantities are reduced to an acceptable level; bioactive compounds (tocopherols, phenolic substances, sterols, squalene, etc.) in the oil are lost qualitatively and quantitatively, conjugation and trans isomerization reactions and process contaminants such as 3-MCPD occur. Intrasystem, innovative, technical solutions need to be developed to reduce the loss of bioactive compounds in the refining stages and/or to prevent the formation of undesirable compounds. For this purpose; refining flows, which can be carried out at a lower temperature, shorter processing time, using less chemicals, are supported by innovative techniques such as ultrasound-assisted refining and accelerating chemical reactions, need to be developed. In this review; the scientific studies on ultrasound assisted degumming, neutralisation and bleaching steps are summarized in detail.

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“…Этот факт ограничивает температуру магнито-ультразвуковой обработки и требует немедленного охлаждения полученных продуктов разделения. Магнитная обработка может дать положительный антиокислительный эффект не только в дальнейшем при хранении погонов, но также в технологических процессах нейтра-лизации, отбелки и дезодорации погонов [9][10][11][12]. Поэтому для снижения кислотности и цветности жидких продуктов процесс ведем в присутствии силикагеля марки КСК [7].…”

Section: выбор и обоснование способов модификации фосфатидных концентunclassified