Qualitative Variations of Lavandin Essential Oil under Various Storage Conditions

Soltanbeigi, Amir

doi:10.1080/0972060x.2020.1871076

Cited by 16 publications

(12 citation statements)

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“…This article is protected by copyright. All rights reserved reportedly prone to autooxidation (Bailly 2020), and storage conditions such as temperature, humidity and light can affect the concentration of EO compounds (Soltanbeigi 2020), whereas as shown in this study degradation of citral at 40 o C was not evident. In order to prevent any signs of physical or chemical instability of the EOs, only fresh microemulsions were used during the treatment and analysis of cotton and polyester fabrics; indeed, a significant difference (P≤0.05) in limonene and citral concentrations were noted on the treated cotton at 24 h post-treatment compared to 1-week post-treatment (Figure 2).…”

Section: Accepted Articlecontrasting

confidence: 45%

Microemulsification of essential oils for the development of antimicrobial and mosquito repellent functional coatings for textiles

et al. 2021

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Aims:To develop an essential oil (EO)-loaded textile coating using an environmentally-friendly microemulsion technique to achieve both antimicrobial and mosquito repellent functionalities.Methods and Results: Minimum inhibitory concentrations and fractional inhibitory concentrations of litsea, lemon and rosemary EOs were determined against Staphylococcus aureus, Escherichia coli, Staphylococcus epidermidis, Pseudomonas aeruginosa and Trichophyton rubrum. A 1:2 mixture of litsea and lemon EOs inhibited all the microorganisms tested and was incorporated into chitosan-sodium alginate assembly by a microemulsification process. The EOloaded microemulsions were applied to cotton and polyester fabrics using a soak-pad-dry method.The textile challenge tests demonstrated 7-8 log 10 reductions of S. epidermidis, S. aureus and E. coli after 24 h and T. rubrum after 48 h. Aedes aegypti mosquito repellency was also assessed which demonstrated 71.43% repellency compared to 52.94% by neat EO-impregnated cotton.Conclusions: Textiles treated with the litsea and lemon EO microemulsion showed strong antimicrobial activity against the skin associated microorganisms E. coli, S. aureus, S. epidermidis and T. rubrum and potential mosquito repellent properties. Significance of Study:EOs could be useful for the development of natural, environmentallyfriendly functional textiles to protect textiles and users from microbial contamination in addition to possessing other beneficial properties such as mosquito repellency.

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Section: Accepted Articlecontrasting

confidence: 45%

Microemulsification of essential oils for the development of antimicrobial and mosquito repellent functional coatings for textiles

et al. 2021

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“…The VO content VO increased diurnally in all three stages of the harvests as hours progressed during the day (1.3-2.05 mL 100gr -1 ) (Table 3). Although genetics is considered to be the crucial determinant of quantity and quality (Lee & Ding 2016), it is inferred that in addition to agricultural practices, plant age, day length, light intensity, day and night temperature changes and relative humidity affect the VO content (Soltanbeigi 2020 A total of 44 components were obtained as a result of GC-MS analyses (Table 3). The highest number of components was found at 2:00 p.m. sample related to the pre-flowering stage.…”

Section: Resultsmentioning

confidence: 99%

PHENOLOGICAL CYCLE AND DIURNAL VARIATION EFFECTS ON THE VOLATILE OIL CHARACTERISTICS OF SAGE (Salvia officinalis L.)

Soltanbeigi

Samadpourrigani

2021

Trakya University Journal of Natural Sciences

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This study was carried out to evaluate the effects of phenological and diurnal variation on volatile oil content and quality of Salvia officinalis L. (Lamiaceae) cultivated in Afyonkarahisar/Turkey. The harvesting times based on ontogeny were the pre-flowering, flowering and post-flowering stages. The harvesting took place three times a day, at 6:00 a.m., 2:00 and 8:00 p.m. The results showed that the highest volatile oil was obtained at 8:00 p.m. of the flowering stage (2.05%). In general, the best harvesting time was the flowering stage and the last hours of the day. The synthesis of volatile oil was almost the same at other phenological stages. The amount of volatile oil increased at the sunset time of the day in all studied stages. Among the identified of S. officinalis volatile oil compounds, oxygenated monoterpenes were the largest chemical group (52.8-68.6%). α-Thujone (13.0-35.8%) was the major compound of the most samples. The highest and lowest values of this compound were observed in the post-flowering and flowering stages, respectively. The other main compounds were camphor (7.0-20.2%), 1,8-cineole (6.9-14.1%), borneol (2.8-15.8%) and veridiflorol (4.5-12.3%). The effects of climatic factors such as day length, insolation, temperature and plant growth stage affected the quantity and quality of volatile oil content of S. officinalis. The results showed that the best harvesting time for S. officinalis for volatile oil content is 8:00 p.m. at the flowering stage in Afyonkarahisar climatic conditions. The volatile oil compositions of the plant varied widely at different harvest times (ontogeny and diurnal).Özet: Bu çalışmada Afyonkarahisar'da yetiştirilen Salvia officinalis L. (Lamiaceae) uçucu yağ oranı ve kalitesi üzerindeki fenolojik evre ve diurnal varyabilite etkileri araştırılmıştır. Ontogenetik varyabiliteye dayalı hasat zamanları çiçeklenme öncesi, çiçeklenme dönemi ve çiçeklenme sonrası olarak belirlenmiştir. Diurnal varyabilite olarak hasat saatleri 06:00, 14:00 ve 20:00 ayarlanmıştır. Sonuçlara göre en yüksek uçucu yağ çiçeklenme döneminde ve saat 20:00'de (%2,05) elde edilmiştir. En iyi hasat zamanı çiçeklenme dönemi ve günün son saatleri olarak saptanmıştır. Diğer fenolojik evrelerde uçucu yağ sentezi neredeyse aynı oranda bulunmuştur. Ayrıca, çalışılan tüm evrelerde uçucu yağ içeriği günün son saatlerine doğru artmıştır. Salvia officinalis uçucu yağının tanımlanan bileşikleri arasında oksijenli monoterpenler en büyük kimyasal gruba sahip olmuştur (%52,8-68,6). α-Thujone (%13,0-35,8) deneme örneklerinin çoğunda ana bileşik olarak belirlenmiştir. Bu bileşiğin en yüksek ve en düşük değerleri sırasıyla çiçeklenme sonrası ve çiçeklenme aşamalarında gözlenmiştir. Camphor (%7,0-20,2), 1,8-sineol (%6,9-14,1), borneol (%2,8-15,8) ve veridiflorol (%4,5-12,3) diğer önemli bileşikler olarak tanımlanmıştır. Salvia officinalis uçucu yağının miktarı ve kalitesi üzerinde gün uzunluğu, güneşlenme, sıcaklık gibi iklim faktörleri ve bitki büyüme evresi etkileri belirgin bir şekilde ortaya çıkmıştır. Bu çalışma...

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“…The action of essential oil yield data was similar to the flower yield of E. purpurea. Although secondary metabolites are primarily made by directing genetic processes, their production is considerably affected by environmental factors, agricultural practices, and postharvesting management (Sedlakova et al, 2003;Soltanbeigi, 2020). Furthermore, the essential oil is a terpenoid compound.…”

Section: Essential Oil Yieldmentioning

confidence: 99%

AGRONOMIC YIELD AND ESSENTIAL OIL PROPERTIES OF PURPLE CONEFLOWER (Echinacea purpurea L. MOENCH) WITH DIFFERENT NUTRIENT APPLICATIONS

Soltanbeigi¹,

Maral²

2022

Chil. j. agric. anim. sci.

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Echinacea purpurea is cultivated around the world due to its unique pharmacological effects. The aerial parts of the plant, especially its flowers, contain a wide variety of beneficial bioactive substances. The objective of this study was to evaluate the effect of different nutrient applications on the growth parameters, essential oil yield, and compounds of Echinacea purpurea L. Moench in Afyonkarahisar/Turkey. The experiment was conducted over a 3-year period (2016-18), including four experimental treatments (F 0 : control, F 1 : 75 kg ha -1 N; F 2 : 150 kg ha -1 N; and F 3 : 75 kg ha -1 N + foliar fertilizer). As a general result of five cuttings, F 2 and F 3 had a positive effect on agronomic yield. F 2 and F 3 recorded the highest plant height (91 and 90 cm, respectively) and yields for fresh bud (578 and 543 kg ha -1 ), dry bud (118 and 112 kg ha -1 ), fresh flower (8,595 and 7,449 kg ha -1 ), dry flower (2,021 and 1,745 kg ha -1 ), fresh herb (32,645 and 29,291 kg ha -1 ), dry herb (8,746 and 7,745 kg ha -1 ) and essential oil (4.55 and 3.57 L ha -1 ). Sesquiterpene hydrocarbons were the most abundant chemical group compound of E. purpurea essential oil. Germacrene D (20.4-50.6%) was the predominant constituent, recording its maximum level in F 1 . Other major compounds were β-pinene, β-myrcene, α-humulene, δ-cadinene, spathulenol, and α-cadinol. The application of 150 kg ha -1 N as well as the combined use of 75 kg ha -1 N and foliar application of macro and micro elements resulted in the highest agronomic yield and essential oil production.

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Qualitative Variations of Lavandin Essential Oil under Various Storage Conditions

Cited by 16 publications

References 37 publications

Microemulsification of essential oils for the development of antimicrobial and mosquito repellent functional coatings for textiles

Microemulsification of essential oils for the development of antimicrobial and mosquito repellent functional coatings for textiles

PHENOLOGICAL CYCLE AND DIURNAL VARIATION EFFECTS ON THE VOLATILE OIL CHARACTERISTICS OF SAGE (Salvia officinalis L.)

AGRONOMIC YIELD AND ESSENTIAL OIL PROPERTIES OF PURPLE CONEFLOWER (Echinacea purpurea L. MOENCH) WITH DIFFERENT NUTRIENT APPLICATIONS

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