Impact of Drying Methods on Essential Oil Composition of <i>Ocimum americanum</i> L. From Kumaun Himalayas

Bhatt, Sunita; Tewari, Geeta; Pande, Chitra; Rana, Lata

doi:10.1080/0972060x.2018.1543031

Cited by 18 publications

(12 citation statements)

References 28 publications

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“…6). The difference in the percentage of the compounds depends upon environmental (seasonal, geographical, climatic), genetic factors, distillation and post-harvest technique (drying, storage conditions) [12][13][14][15]26]…”

Section: Essential Oil Compositionmentioning

confidence: 99%

“…Drying may upgrade aroma quality of the plants either by esterification/oxidation/formation of new compounds or loss of volatile components [10]. A number of reports are available on the effect of drying on the essential oil composition of various aromatic species like Thymus vulgaris [11], Murraya koenigii [12], Ocimum americanum [13,14], Ocimum gratissimum [15] and Origanum vulgare [16].…”

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confidence: 99%

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Effect of drying on the essential oil traits and antioxidant potential J. regia L. leaves from Kumaun Himalaya

et al. 2019

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Drying is an ancient technique adopted to reduce moisture, preserve aroma profile and increase the shelf life of the food products. During drying, the chemical, nutritional and antioxidant properties of the food can get altered as compared to the fresh material. Natural shade drying is the most accepted storage method for aromatic medicinal herbs because of its low cost and minimum loss of volatile constituents. In the present investigation, the effects of shade drying on the volatile components and antioxidant potential of walnut leaves (Juglans regia) have been studied. For this purpose, fresh walnut leaves were shade dried and hydrodistilled using Clevenger apparatus. The extracted oil was analysed by GC and GC/MS. The antioxidant potential of the oils was evaluated by 2, 2-diphenyl-1-picrylhydrazyl (DPPH·) radical scavenging activity. The GC and GC/MS analysis identified 46 and 42 compounds representing 89.29% and 96.38% of the total fresh and dried oils, respectively. The composition of the five major components namely (E)-caryophyllene, germacrene D, α-zingiberene, δ-cadinene and (E)-β-farnesene was observed to significantly increase after shade drying. Drying caused appearance of four components with complete loss of eight components. Fresh oil showed better antioxidant activity as compared to the shade dried oil.

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Section: Essential Oil Compositionmentioning

confidence: 99%

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confidence: 99%

Effect of drying on the essential oil traits and antioxidant potential J. regia L. leaves from Kumaun Himalaya

et al. 2019

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“…According to Hossain et al [14] drying may improve the quality of the aroma profile of the plants either due to the formation of new volatile components through oxidation or esterification reactions or the loss of volatile compounds [14]. The effect of different drying methods on the essential oil composition of bisabolene rich O. americanum collected from Ranikhet (Inida) was studied by Bhatt et al [15,16]. Baritaux et al [17] and Di Cesare et al [18] have reported the effect of different drying methods on the essential oil composition of Ocimum basilicum.…”

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confidence: 99%

“…The injector and FID temperature for both the programme was 260 and 270 ºC, respectively. The injection volume was 0.1µL neat oil with split mode (split ratio 1:40) [16].…”

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Effect of Natural Drying Methods on Flavour Profile of Camphor Rich Ocimum americanum L. from North India

et al. 2019

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In the present study, fresh aerial parts of Ocimum americanum L. were collected from Ramnagar, India and sun and shade drying was applied until constant weights. The fresh and dried plant materials were hydrodistilled by Clevenger apparatus and the extracted oils were analyzed by GC and GC/MS. One-way ANOVA and correlation were performed to evaluate the difference and correlation between drying treatments using SPSS 16.0. The major compounds of the fresh oil were camphor (33.41 %), maillol (11.96 %), β-selinene (8.34 %), α-selinene (6.92 %), β-gurjunene (5.43 %) and (E)-caryophyllene (5.07 %). In the dried samples, significant increase (p < 0.05) in the percentage of camphor and maillol was observed while the percentage of (E)-cayophyllene, β-gurjunene, β-selinene and α-selinene significantly (p < 0.05) decreased during drying process. Drying caused loss of fourteen constituents with appearance of four compounds. The oil yield was the highest under sun drying condition.

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Polyphenols and terpenoids derived from Ocimum species as prospective hepatoprotective drug leads: a comprehensive mechanistic review

Chatterjee,

Sarkar

2024

Phytochem Rev

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Impact of Drying Methods on Essential Oil Composition of Ocimum americanum L. From Kumaun Himalayas

Cited by 18 publications

References 28 publications

Effect of drying on the essential oil traits and antioxidant potential J. regia L. leaves from Kumaun Himalaya

Effect of drying on the essential oil traits and antioxidant potential J. regia L. leaves from Kumaun Himalaya

Effect of Natural Drying Methods on Flavour Profile of Camphor Rich Ocimum americanum L. from North India

Polyphenols and terpenoids derived from Ocimum species as prospective hepatoprotective drug leads: a comprehensive mechanistic review

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