scholarly journals Evaluation of the Spray Drying Conditions of Blueberry Juice-Maltodextrin on the Yield, Content, and Retention of Quercetin 3-d-Galactoside

Polymers ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 312 ◽  
Author(s):  
María Saavedra-Leos ◽  
César Leyva-Porras ◽  
Laura López-Martínez ◽  
Raúl González-García ◽  
Joel Martínez ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Spray Drying ◽  
Physicochemical Characterization ◽  
Inlet Temperature ◽  
Processing Conditions ◽  
Blueberry Juice ◽  
Optimal Processing ◽  
Main Variable ◽  
Size And Morphology ◽  
Drying Conditions

The influence of the processing conditions during the spray drying of mixtures of blueberry juice (BJ) and maltodextrin (MX) was determined quantitatively by the analysis of variance (ANOVA), and qualitatively by the surface response plots (SRP). The effect of two independent variables (inlet temperature, and MX concentration), and one categorical variable (type of MX), was determined on the yield (Y), content (Q), and retention (R) of the antioxidant quercetin 3-d-galactoside. From the ANOVA results, the concentration was the main variable affecting Y and Q, while temperature had a negligible effect, and the low molecular weight MXs exhibited a better response. The physicochemical characterization showed that the powder appearance and microstructure remained unaffected, but size and morphology of the particles varied with the processing conditions. This study established the optimal processing conditions for the spray drying of BJ-MX, and the application limits of the MXs based on the molecular weight distribution.

scholarly journals Spray Drying of Blueberry Juice-Maltodextrin Mixtures: Evaluation of Processing Conditions on Content of Resveratrol

Antioxidants ◽  
2019 ◽  
Vol 8 (10) ◽  
pp. 437 ◽  
Author(s):  
César Leyva-Porras ◽  
María Zenaida Saavedra-Leos ◽  
Elsa Cervantes-González ◽  
Patricia Aguirre-Bañuelos ◽  
Macrina B. Silva-Cázarez ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Spray Drying ◽  
Active Sites ◽  
Low Molecular Weight ◽  
Processing Conditions ◽  
Human Metabolism ◽  
Blueberry Juice ◽  
Main Variable ◽  
And Oxidative Stress ◽  
Antioxidant Molecule

Resveratrol is an antioxidant abundant in red fruits, and one of the most powerful inhibiting reactive oxygen species (ROS) and oxidative stress (OS) produced by human metabolism. The effect of the spray drying processing conditions of blueberry juice (BJ) and maltodextrin (MX) mixtures was studied on content and retention of resveratrol. Quantitatively, analysis of variance (ANOVA) showed that concentration of MX was the main variable influencing content of resveratrol. Response surface plots (RSP) confirmed the application limits of maltodextrins based on their molecular weight, where low molecular weight MXs showed a better performance as carrying agents. After qualitatively comparing results for resveratrol against those reported for a larger antioxidant molecule (quercetin 3-D-galactoside), it was observed a higher influence of the number of active sites available for the chemical interactions, instead of stearic hindrance effects.

Influence of Spray Drying Conditions on Particle Size and Morphology of Al2O3/ZrO2(3Y) Composite Particles

2017 ◽  
Vol 728 ◽  
pp. 172-177 ◽  
Author(s):  
Saowaluk Chiangka ◽  
Sukasem Watcharamaisakul ◽  
Boris Golman
Keyword(s):  
Spray Drying ◽  
Solid Content ◽  
Composite Particles ◽  
Inlet Temperature ◽  
Sem Images ◽  
Median Diameter ◽  
Particle Size And Morphology ◽  
Size And Morphology ◽  
Drying Conditions ◽  
Monolithic Alumina

Zirconia toughened alumina materials are frequently used in biomedical applications due to their enhanced toughness, strength and wear resistance compared to monolithic alumina. In this work, the influence of spray drying conditions is studied on the characteristics of spray-dried Al2O3/ZrO2(3Y) composite particles. The SEM images of composite particles confirm the formation of dense composite particles of round shape without internal holes. The particles of the best morphology of the median diameter of 44 µm were produced by drying the slurry of 70 wt.% solid content with feed rate of 15 ml/min using the drying air with inlet temperature of 210 °C and spraying air with flow rate of 357 l/h.

Optimising Conditions for Encapsulation of Salacia chinensis Root Extract enriched with Phenolic Compounds

2021 ◽  
Vol 02 ◽  
Author(s):  
Thanh V. Ngo ◽  
Christopher J. Scarlett ◽  
Michael C. Bowyer ◽  
Rebecca McCullum ◽  
Quan V. Vuong
Keyword(s):  
Antioxidant Activity ◽  
Spray Drying ◽  
Feed Rate ◽  
Freeze Drying ◽  
Antioxidant Activities ◽  
Inlet Temperature ◽  
Root Extract ◽  
Optimal Conditions ◽  
Dried Extract ◽  
Drying Conditions

Background: S. chinensis extract contains bioactive compounds, which exhibit high antioxidant activities. However, for commercial uses, it is necessary to encapsulate the extract to protect it from degradation. Objective: This study aimed to optimise spray-drying conditions and then compare with freeze-drying to identify the most suitable conditions for encapsulation of Salacia chinensis L. root extract. Method: Three factors of spray-drying encapsulation, including maltodextrin concentration, inlet temperature and feed rate, have been tested for the impacts on the physical and phytochemical properties of S. chinensis root extract. Based on the optimal conditions, the spray-drying was then compared with freeze-drying. Results: The results showed that maltodextrin concentration, inlet temperature and feed rate had significant impacts on recovery yield, phenolics, mangiferin and antioxidant activity of the spray-dried extract. The optimal spray-drying encapsulation conditions were maltodextrin concentration of 20 %, inlet temperature of 130ºC and feed rate of 9 mL/min. Under these optimal conditions, the encapsulated extract had comparable solubility, total phenolics, mangiferin, and antioxidant activity, lower bulk density, moisture content, and water activity as compared to encapsulated extract made using the freeze-drying technique. These optimal spray-drying conditions are recommended to encapsulate the extract of S. chinensis root. Conclusion: Spray-drying was found to be more effective for encapsulation of S. chinensis root extract than freeze-drying. Therefore, spray-drying is recommended for further applications.

scholarly journals Optimization of Spray Drying Condition of Asparagus Powder Using Response Surface Methodology (P17-003-19)

2019 ◽  
Vol 3 (Supplement_1) ◽  
Author(s):  
Jiseon Park ◽  
Soon Bae Kwon ◽  
Hye Jeong Kwon
Keyword(s):  
Spray Drying ◽  
Flow Rate ◽  
Air Flow ◽  
Absorption Index ◽  
Water Extraction ◽  
Inlet Temperature ◽  
Air Flow Rate ◽  
Independent Variables ◽  
Drying Conditions ◽  
Spray Dried

Abstract Objectives The purpose of this study was to investigate optimization of spray drying conditions for water-soluble powder using response surface methodology that is a statistical procedure used for optimization studies. Methods First, conditions of the extract used for spray drying were set. We compared heat water extraction (60–100 °C) with ethanol extraction (10–50%). After final selection of the method of extract used for spray drying, spray drying conditions were set. Independent variables included the additive contents of maltodextrin (X1), inlet temperature (X2), and air flow rate (X3). The dependent variables were yield, water absorption index (WAI) and total phenolic compounds. Results The yield was highest in 100 °C heat water extraction. The content of rutin was 29.77 mg/100 g in 90 °C heat water extraction, 28.07 mg/100 g in 100 °C heat water extraction and 24.24 mg/100 g in 10% ethanol extraction. The heat water extraction method at 100 °C was selected as an extract of the spray dryer. Statistical analysis revealed that independent variables significantly affected all the responses. A maximum yield was obtained at 15.55% of X1, 167.87 °C of X2 and 50.00 mL/min of X3. The water absorption index of asparagus increased with increasing MD ratio (X1), higher inlet temperature (X2) and higher air flow rate (X3). The total polyphenol contents of asparagus were higher when the MD addition ratio (X1) was 16.56%, the inlet temperature (X2) was higher and the air flow rate (X3) was higher. Conclusions In this study, extracts of asparagus using different extraction methods were compared for yield and spray-dried asparagus powders were investigated for their physicochemical characteristics. We were vary the range of the temperature, air flow rate, dextrin rate and set the best method for the functionality content of asparagus. Asparagus was spray - dried using 100 °C water extraction with high yield and high rutin content. The maximum spray drying yield was obtained at 15.55% of MD ratio, 167.87 °C of inlet temperature and 50.00 mL/min of air flow rate. There will be additional processed goods development made with what we have found. Funding Sources This study was supported by 2018 Regional Specialized Technology Development Project, Rural Development Administration, Republic of Korea. Supporting Tables, Images and/or Graphs

scholarly journals Influence of spray-drying conditions on the physicochemical properties of red-fleshed dragon fruit (Hylocereus polyrhizus) powder made from peel and flesh

2021 ◽  
Vol 20 (03) ◽  
pp. 61-67
Author(s):  
Diep T. N. Duong
Keyword(s):  
Spray Drying ◽  
New Product Development ◽  
Food Processing ◽  
New Product ◽  
Physicochemical Characteristics ◽  
Inlet Temperature ◽  
Beverage Industry ◽  
Dragon Fruit ◽  
Fruit Powder ◽  
Drying Conditions

Pitaya production has been increasing, that offers abundant material for food processing. New product development would greatly add value for this produce. The present study focused on the effects of spray-drying conditions such as coating material concentration and spray-drying temperature on the physicochemical characteristics of red-fleshed dragon fruit powder made from peel and flesh. The sample quality was influenced by two experimental factors, which were the maltodextrin concentration and the spray-drying inlet temperature. The samples spray-dried at 140oC to 150oC with 15% maltodextrin (w/w) gave the powder with the highest betacyanin, polyphenol, and vitamin C retention results (97.62 - 98.86%, 90.66 - 91.63%, and 63.40 - 63.68%, respectively). The moisture content, water activity and solubility of the sample was 3.88% to 4.27%, 0.26 to 0.28 and 99%, respectively. Red-fleshed dragon fruit powder made from flesh and peel has numerous potentials in the beverage industry

scholarly journals Microencapsulation Quality and Efficiency of Lactobacillus casei by Spray Drying Using Maltodextrin and Vegetable Extracts

2013 ◽  
Vol 3 (1) ◽  
pp. 61 ◽  
Author(s):  
Paola Hernández-Carranza ◽  
Aurelio López-Malo ◽  
Maria-Teresa Jiménez-Munguía
Keyword(s):  
Moisture Content ◽  
Spray Drying ◽  
Lactobacillus Casei ◽  
Microbial Reduction ◽  
Inlet Temperature ◽  
Drying Process ◽  
Aqueous Suspensions ◽  
Air Inlet ◽  
Grapefruit Peel ◽  
Drying Conditions

<p>Survival and quality efficiency of <em>Lactobacillus casei </em>microencapsulated by spray drying using different vegetable extracts (asparagus, artichoke, orange or grapefruit peel) were evaluated. Aqueous suspensions of the vegetable extracts with or without maltodextrin (adjusting to 25% w/w) were prepared for the microencapsulation of <em>L. casei</em>. The evaluated spray drying conditions were at a fixed air inlet temperature (Tin) of 145 °C and varying the aqueous suspensions flux (Q) of 10 or 15 g/min. Survival of <em>L. casei</em> was evaluated after the spray drying process and after 60 days of storage at 25 °C. The quality efficiency of the microencapsulated <em>L. casei</em> was evaluated by measuring in the product, physicochemical properties (moisture content, a<sub>w</sub>), determining moisture gain and modeling adsorption isotherms, besides analyzing micrographs. Results demonstrated that moisture content of the different spray drying powders was less than 2% wb and less than 0.30 of a<sub>w</sub>. It was evidently that the use of maltodextrin reduced 50% the powders moisture gain (hygroscopicity) therefore reducing stickiness problems during storage. The Scanning Electron Microscopy (SEM) confirmed individual particles formation with a homogeneous coat when using vegetable extracts+maltodextrin and hence better powder quality than without it. The microbial reduction of <em>L. casei</em> after the spray drying process was of one log cycle and significantly different (p &lt; 0.05) with the presence of maltodextrin when using orange or grapefruit peel. A microbial population over 10<sup>7</sup> cfu/g of <em>L. casei</em> microencapsulated was maintained after 60 days of storage which guarantees its use to develop functional food.</p>

Survival of Pantoea agglomerans Strain CPA-2 in a Spray-Drying Process

2002 ◽  
Vol 65 (1) ◽  
pp. 185-191 ◽  
Author(s):  
E. COSTA ◽  
N. TEIXIDÓ ◽  
J. USALL ◽  
E. FONS ◽  
V. GIMENO ◽  
...  
Keyword(s):  
Spray Drying ◽  
Dairy Products ◽  
Biocontrol Agent ◽  
Low Cost ◽  
Pantoea Agglomerans ◽  
Penicillium Expansum ◽  
Inlet Temperature ◽  
Outlet Temperature ◽  
Drying Process ◽  
Drying Conditions

Spray drying could be a suitable method for preserving microorganisms, as it allows large quantities of cultures to be dried at low cost. The aims of this paper were to evaluate the effects of spray-drying conditions on survival of the biocontrol agent Pantoea agglomerans CPA-2, which has shown antifungal activity against Penicillium expansum and Penicillium digitatum on citrus fruits. Various compounds cited in the bibliography as carriers were tested in our spray drying, and some salts (MgSO4, K2SO4, and Na2CO3) and dairy products (lactoserum or nonfat skimmed milk [NFSM]) showed the best results in terms of recovered powder. Outlet temperature had more influence on the death of bacteria than inlet temperature. P. agglomerans was heat sensitive, and the activation energy was around 6 kcal/mol K when MgSO4 (10%) or NFSM (10%) were used as carriers and only 3 kcal/mol K when the combination of MgSO4 (10%) and NFSM (10%) was used. The highest powder recovery was obtained when NFSM was used as the rehydration medium. Although the percentage of powder recovery was not high (around 50%) and viability was low, the results suggest that with bigger spray dryers, we could expect a lower outlet temperature and probably an increased viability. Further research into spray-dryer design is needed in order to demonstrate this.

Effect of drying parameters on the physical, morphological and thermal properties of spray-dried inulin

2018 ◽  
Vol 38 (8) ◽  
pp. 775-783 ◽  
Author(s):  
Israr Ahmed ◽  
Muhammad Bilal Khan Niazi ◽  
Zaib Jahan ◽  
Salman Raza Naqvi
Keyword(s):  
Molecular Weight ◽  
Spray Drying ◽  
Solid Content ◽  
Inlet Temperature ◽  
Outlet Temperature ◽  
High Concentration ◽  
Scanning Calorimetry ◽  
Modulated Differential Scanning Calorimetry ◽  
Feed Temperature ◽  
Spray Dried

Abstract This study focuses on the thermal, morphological and physical properties of spray-dried chicory root inulin using a thermogravimetric analyzer, environmental scanning electron microscopy, X-ray diffractogram and modulated differential scanning calorimetry. Different spray-drying conditions were investigated by varying inlet temperature, outlet temperature and aspirator speed. The starting material was semicrystalline. A feed temperature of 95°C was employed, which produced a completely transparent solution for spray drying. At that particular temperature, the powder samples obtained were entirely amorphous and morphology resembled each other except for higher solid content. The low glass transition temperature (Tg) (106.83°C) was evident by treating low-molecular-weight samples, whereas high-molecular-weight samples exhibited high Tg (125.81°C). The semicrystalline samples due to the high concentration and milky dispersion exhibited high decomposition temperature. The feed temperature, molecular weight and concentration of the samples tend to have a significant effect on the properties of spray-dried inulin.

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