Effect of drying and extraction conditions on the recovery of bioactive compounds from Chlorella vulgaris

Stramarkou, Marina; Papadaki, Sofia; Kyriakopoulou, Konstantina; Krokida, Magdalini

doi:10.1007/s10811-017-1181-8

Cited by 62 publications

(39 citation statements)

References 44 publications

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“…Also, there was no significant reduction in carotenoid content after applying tested drying methods, for both homogenized and non-homogenized samples. Since chlorophylls are not heat-sensitive as carotenoids, oxidation seems to be the reason of low chlorophyll recovery after drying, which is in agreement with Stramarkou et al (2017) study.…”

Section: Effect Of Drying and High-pressure Homogenizationsupporting

confidence: 91%

Recovery of microalgal biomass and metabolites from homogenized, swirl flash-dried microalgae

2019

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Section: Effect Of Drying and High-pressure Homogenizationsupporting

confidence: 91%

Recovery of microalgal biomass and metabolites from homogenized, swirl flash-dried microalgae

2019

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“…One of the conditions that affect the choice of method and the drying performance is the initial moisture that the microalgal biomass presents. The algal biomass starts the drying process with initial moisture values between 55 and 88% (wet basis) in different dehydration processes [25][26][27][28][29][30].…”

Section: Drying and Microalgal Qualitymentioning

confidence: 99%

“…Apart from the color change, the compound degradation, and the drying kinetics, the final moisture content can be one parameter to compare different drying methods and demonstrates how these methods can affect the sample. Based on the initial moisture and the chosen method, the drying can show high or low drying rates, can influence the velocity heat and water mass transfer through the samples, and in some conditions not allow the diffusion between the interior and the surface [26,28]. In short, apart from the initial moisture that can influence the chosen method, some physical parameters can influence in velocity and water outlet, impacting in final moisture and in quality of the product.…”

Section: Drying and Microalgal Qualitymentioning

confidence: 99%

Drying and Quality of Microalgal Powders for Human Alimentation

Neves¹,

Demarco²,

Tribuzi³

2020

Microalgae - From Physiology to Application

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The demand for natural foods with high protein content and functional properties is constantly growing in the last years. In this context, microalgae as Spirulina (Arthrospira spp.), Chlorella spp., Haematococcus pluvialis, Dunaliella salina, and others, assume a key role to diversify the offer of nutritious and functional ingredients and supplements. Microalgae are commercialized, mostly, as dried powders to facilitate their use as food ingredients and to allow easy transportation and long-term stability. Microalgal powder quality and storage stability depend mainly on drying method, packaging, and storage conditions. Most of the studies that approach the subject of microalgal drying evaluate the efficiency of the process and suitability for this raw material. However, studies that assess the effect of traditional and innovative drying methods on quality of microalgal powder for human consumption are rare in literature. In this chapter, the state of the art of drying processing technology for microalgae was reviewed, discussing the effect of dehydration on quality and stability of microalgal powders with potential use in human alimentation.

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“…As compared with high speed homogenization, the ultrasonication method was less effective on cell walls disruption, but more effective on disintegrating the microalgal colonies into single individual cells [20], [37], [38], when an acoustic power level of 65 W and 130 W, was used for 25 min. Microalgae cell disruption by ultrasonic treatment was evaluated also on Chlamydomonas reinhardtii [39] and it was shown that 800 J/10 mL were needed to maximize the cell disruption, but is a risky procedure since free radicals can be released, affecting the quality of the sample.Bead milling is a mechanical blending unsing a physical grinding of the cell suspension with solid glass beads, the effeciency of disintegration increasing with bead loading [20]. A comparative study of different cell wall disrupting methods on Chlorella sp.…”

Section: Extraction Of Bioactive Ingredients: Challenges and New Techmentioning

confidence: 99%

Screening of Bioactive Compounds Synthesized by Microalgae: a Progress Overview on Extraction and Chemical Analysis

Patras¹,

Moraru²,

Socaciu³

2018

Studia UBB Chemia

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ABSTRACT. Considering the high biodiversity of microalgae and their important impact on economy and ecological balance, new screening techniques are needed for their phenotypic characterization and efficient valorization of bioactive components. This represents one the key purpose of the emerging bioeconomy concept, involving new biorefinery technologies coupled with advanced analytical tools. The article presents an overview of the recent extraction and chemical techniques used to recover, separate and characterize the main bioactive molecules (lipids and fatty acids, carbohydrates, proteins and mycosporine-like amino acids chlorophylls and carotenoid pigments) syntesized by microalgae, considering their interesting applications in food, pharmaceutical and cosmetic industries. Special focuses will be directed towards the cell disintegration and extraction procedures, identification and quantification of main metabolites by advanced analytical techniques.

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Effect of drying and extraction conditions on the recovery of bioactive compounds from Chlorella vulgaris

Cited by 62 publications

References 44 publications

Recovery of microalgal biomass and metabolites from homogenized, swirl flash-dried microalgae

Recovery of microalgal biomass and metabolites from homogenized, swirl flash-dried microalgae

Drying and Quality of Microalgal Powders for Human Alimentation

Screening of Bioactive Compounds Synthesized by Microalgae: a Progress Overview on Extraction and Chemical Analysis

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