High hydrostatic pressure‐assisted extraction of lipids from <i>Lipomyces starkeyi</i> biomass

Tuhanioglu, Arda; Alpas, Hami; Çekmecelioğlu, Deniz

doi:10.1111/1750-3841.16347

Cited by 5 publications

(3 citation statements)

References 68 publications

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“…Timotheo et al [47] evaluated liquid nitrogen pre-treated biomass and maceration, followed by ultrasonication extraction, as the treatment with the highest percentage of disrupted cells and the highest oil yield of Y. lipolytica QU21 and Meyerozyma guilliermondii BI281A. Some investigations point out that the lipid yield decreased with increasing pressure, and low pressure (200 MPa) collapsed the cells, while high pressure (400 MPa) created protrusions on the cell wall and the cell fragments spread into the environment [55]. High-pressure homogenization (HPH) fragments cells via shear stress, cavitation, turbulence, and friction [56], and has recently been extensively investigated for oil recovery in the wet biomass of Y. lipolytica yeast.…”

Section: Extraction Of Microbial Oilmentioning

confidence: 99%

Nutritional and Medicinal Properties of Microbial Oil

Uğur,

Zieniuk,

Fabiszewska

2024

Applied Sciences

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Plant and animal oils and fats currently dominate the edible oil market, but a new sustainable alternative of lipids from single-celled organisms has become advantageous in human nutrition and pharmacy. Single-cell oils (SCOs) are lipids biosynthesized and accumulated in the lipid bodies of oleaginous species of bacteria, yeasts, molds, and algae. The review has investigated SCOs’ composition, with a detailed review of the described beneficial impact in medicine, cosmetics, pharmacy, and nutrition. Although microbial oil has been known for more than 100 years, it was not applied until the 21st century, when commercial SCO production for human use started and administrative regulations governing their use were completed. This article discusses the applications of SCOs, which can be easily found in microorganisms, in the pharmaceutical, cosmetic, and food industries. In addition, some aspects of 15- or 17-carbon-atom-long fatty acids were also pointed out. Furthermore, some challenges for heterotrophic single-cell oil synthesis and improvements in its extraction efficiency have also been concluded, which can further contribute to their broadened use in pharmacy, medicine, cosmetics, and food applications.

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Section: Extraction Of Microbial Oilmentioning

confidence: 99%

Nutritional and Medicinal Properties of Microbial Oil

Uğur,

Zieniuk,

Fabiszewska

2024

Applied Sciences

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“…All data were measured in triplicate and are noted as mean ± standard deviation. The fatty acid composition (change in physical properties) is affected the extraction method [10,25]. Therefore, the fatty acid composition and amount of TAG by the sum of TAG equivalents from fatty acids in oils extracted using various solvents are plotted in Figure 5.…”

Section: Tag Extraction Efficiency and Tag Selectivitymentioning

confidence: 99%

“…Oleaginous yeasts are advantageous producers that can accumulate oil, whose major component is triacylglycerides (TAG), up to approximately 60% of their dry cell mass [5,6]. The oils produced by Lipomyces starkeyi (hereafter referred to as yeast oil) are similar in fatty acid composition (rich in palmitic acid and oleic acid) and physical properties (solid at room temperature) to palm oil; therefore, it is expected to be an alternative palm oil from the viewpoint of flexible manufacturing locations and sustainability because there will be no need to harvest forests [7][8][9][10]. In addition, Lipomyces starkeyi has great industrial potential as an excellent lipid producer because it is a suitable host for genetic engineering to improve lipid production [11].…”

Section: Introductionmentioning

confidence: 99%

Simple and Economical Downstream Process Development for Edible Oil Production from Oleaginous Yeast Lipomyces starkeyi

et al. 2023

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The production of palm oil, which is used in various foods, is associated with environmental destruction and climate change risks; therefore, there is an urgent need for sustainable alternatives. “Yeast oil” produced by Lipomyces starkeyi, an oil-producing yeast, is expected to solve these problems because its fatty acid composition is similar to that of palm oil. To date, we have successfully developed yeast oil as an edible alternative to palm oil. However, conventional processes, including cell collection and lyophilization, are difficult to industrialize in terms of equipment and cost. Therefore, a method for extracting yeast oil from the emulsified liquid generated by crushing the culture was investigated. It is presumed that the emulsified state is stable owing to the components derived from yeast cells and metabolites; thus, solid–liquid filtration separation was attempted before extraction. The extraction recovery ratio of yeast oil was 98.2% when a hexane/ethanol mixture (3:1) was added to the residue after filtration. Furthermore, the energy consumption and processing cost of this new process were estimated to be 26% and 34%, respectively, of that of conventional methods, suggesting that the new process has potential for practical applications.

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Microbial and insect oils: A sustainable approach to functional lipid

Aondoakaa,

Akoh

2024

J Americ Oil Chem Soc

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The increasing global population, coupled with the effects of climate change on agricultural activities has spurred a demand for sustainable food production to meet human needs. In response to this, there has been a growing interest in sustainable food production initiatives. One of such initiatives is harnessing microbial and insect lipids as valuable ingredients to address increase in demand for lipids across various sectors, including functional food, nutritional supplements, and biodiesel production. Over the last decades, there has been increasing scientific investigations exploring lipid from algae, microbes, and insects as alternatives to traditional agro‐ and marine‐based sources. This review, therefore, presents progress made in microbial and insect oils production, with emphasis on sustainability. Emerging extraction techniques, regulatory and safety requirements, and challenges that exist in the production and utilization of these new lipids are also discussed. The review shows that lipids from a wide range of oleaginous microorganisms and insect species have the potential to serve as a valuable ingredient for healthful food preparation. However, challenges such as cultural acceptance, lack of standardized regulations, high cost, and low yield associated with most emerging environmentally friendly extraction technologies continue to hinder widespread use or adoption of microbial and insect lipids on a global scale. These challenges call for innovations to reduce cost of production and improve lipids yield. So far, a substantial progress has been made in the utilization of readily available feedstocks such as industrial food wastes and sugar‐rich industrial wastewater to grow insects and microorganisms which will significantly reduce the processing costs.

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High hydrostatic pressure‐assisted extraction of lipids from Lipomyces starkeyi biomass

Cited by 5 publications

References 68 publications

Nutritional and Medicinal Properties of Microbial Oil

Nutritional and Medicinal Properties of Microbial Oil

Simple and Economical Downstream Process Development for Edible Oil Production from Oleaginous Yeast Lipomyces starkeyi

Microbial and insect oils: A sustainable approach to functional lipid

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