A comparative study: Influence of various drying methods on essential oil components and biological properties of <i>Stachys lavandulifolia</i>

Hazrati, Saeid; Lotfi, Kazem; Govahi, Mostafa; Ebadi, Mohammad‐Taghi

doi:10.1002/fsn3.2218

Cited by 27 publications

(8 citation statements)

References 36 publications

(46 reference statements)

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“…The major advantages of FD are its ability to preserve vitamins, nutrients, color, aroma, and flavor, retaining most of its original characteristics, superior taste, and thermosensitive ingredients with biological activity, higher rehydration rate, and lower bulk density (higher porosity) of the obtained products, which are of special emphasis in the case of fruit and vegetable products [3][4][5][6][7][8][9]. Also, the lower temperature of the procedure results in higher retention of phytochemicals (total antioxidants, total phenolic compounds, and total anthocyanins) and bioactive compounds [10][11][12][13][14][15][16]. For more relevant information, Tab.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress and Application of Freeze Dryers for Agricultural Product Drying

Salehi

2023

ChemBioEng Reviews

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The impact of various freeze‐drying (FD) methods on the drying efficiency and quality of dried fruits and vegetables is reviewed. Additionally, a brief overview of recent advances in FD methods is provided. The FD technique is characterized by the following key properties: ability to maintain original texture and color, the highest nutritional value, and appropriate rehydration rate due to the porous tissue of the product. Recently, various combination methods have been tested to improve the drying speed and save energy when FD fruits and vegetables. This includes combining FD systems with other techniques such as ultrasound, microwave, vacuum, infrared radiation, pulsed electric field (PEF), and CO2 laser perforation. Combined benefits of these technologies include increased mass transfer rates, shorter dehydration time, energy savings, improved product quality, lower shrinkage, higher rehydration capacity, and flexibility to dry and manufacture the many types of dried fruits and vegetables pieces.

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Section: Introductionmentioning

confidence: 99%

Recent Progress and Application of Freeze Dryers for Agricultural Product Drying

Salehi

2023

ChemBioEng Reviews

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“…have been reported [ 22 ]. Additionally, remarkable qualitative and quantitative differences have been found in EOs extracted after following different drying procedures [ 23 ]. In Peru, garlic is used mainly as a food additive, and according to National Institute of Agrarian Innovation (INIA-PERU), Peru has several accessions of garlic such as Purple, Criollo or Napurí, Barranquino, Massone, Pata de Perro, and White Chinese [ 24 ], with White Chinese being one of the most consumed and commercialized accessions.…”

Section: Introductionmentioning

confidence: 99%

Chemical Constituents, In Vitro Antioxidant Activity and In Silico Study on NADPH Oxidase of Allium sativum L. (Garlic) Essential Oil

et al. 2021

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Allium sativum L., also known as garlic, is a perennial plant widely used as a spice and also considered a medicinal herb since antiquity. The aim of this study was to determine by gas chromatography–mass spectrometry (GC–MS) the chemical profile fingerprint of the essential oil (EO) of one accession of Peruvian A. sativum (garlic), to evaluate its antioxidant activity and an in- silico study on NADPH oxidase activity of the volatile phytoconstituents. The antioxidant activity was tested using DPPH and β-carotene assays. An in-silico study was carried out on NADPH oxidase (PDB ID: 2CDU), as was ADMET prediction. The results indicated that diallyl trisulfide (44.21%) is the major component of the EO, followed by diallyl disulfide (22.08%), allyl methyl trisulfide (9.72%), 2-vinyl-4H-1,3-dithiine (4.78%), and α-bisabolol (3.32%). Furthermore, the EO showed antioxidant activity against DPPH radical (IC50 = 124.60 ± 2.3 µg/mL) and β-carotene bleaching (IC50 = 328.51 ± 2.0). The best docking score on NADPH oxidase corresponds to α-bisabolol (ΔG = −10.62 kcal/mol), followed by 5-methyl-1,2,3,4-tetrathiane (ΔG = −9.33 kcal/mol). Additionally, the volatile components could be linked to the observed antioxidant activity, leading to potential inhibitors of NADPH oxidase.

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“…However, the highest content of α-Bisabolol is noted in ligulate flowers (Pekic et al 1999). Oxygenated sesquiterpenes, such as α-Bisabolol have higher boiling points compared to hydrocarbon sesquiterpenes, so this compound does not evaporate easily during manipulation of plant material process (Hazrati et al 2021). This could explain the highest content of this compound in Sample 1 which mostly consists of chamomile flowers.…”

Section: Discussionmentioning

confidence: 98%

Chamomile essential oil quality after postharvest separation treatments

Aćimović¹,

Lončar²,

Kiprovski³

et al. 2021

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Ecological conditions of the growing areas, growing practices as well as harvest and postharvest processing influence the yield and quality of chamomile. The aim of this research was to determine the influence of chamomile separation methods, as postharvest treatments, on the essential oil quality and content, with a view to improve current primary processing of this valuable medicinal plant. In order to explain the structure of laboratory data that would give deeper assessment of similarities among various samples of chamomile essential oil, PCA was employed. Tested results showed that separation of chamomile plant material, as postharvest and pre-drying treatment, had significant influence on the number of identified compounds in the chamomile essential oil. The highest content of individual essential oil compounds had chamomile flowers with short stems, especially a-bisabolol, chamazulene, Z-spiroether and E-b-famesene. In the essential oil obtained from chamomile flowers with long stems, content of a-bisabolol and chamazulene were significantly lower, while E-b-famesene and Z-spiroether contents were significantly higher. Furthermore, in the essential oil obtained from chamomile plant material without separation, the lowest content of abisabolol and Z-spiroether, and the highest content of E-b-farnesene were recorded. The correlation analysis was performed to investigate the likeness in the amounts of the active compounds of essential oil from differently processed chamomile samples. All these results indicate the importance of precise and controlled postharvest treatments, since it clearly affects the essential oil quality and content in the primary processing of this valuable medicinal plant.

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A comparative study: Influence of various drying methods on essential oil components and biological properties of Stachys lavandulifolia

Cited by 27 publications

References 36 publications

Recent Progress and Application of Freeze Dryers for Agricultural Product Drying

Recent Progress and Application of Freeze Dryers for Agricultural Product Drying

Chemical Constituents, In Vitro Antioxidant Activity and In Silico Study on NADPH Oxidase of Allium sativum L. (Garlic) Essential Oil

Chamomile essential oil quality after postharvest separation treatments

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