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

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

doi:10.14233/ajchem.2019.21862

Cited by 5 publications

(3 citation statements)

References 21 publications

(25 reference statements)

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“…4). Eight components including camphene, (3E)-hexenyl acetate, methyl salicylate, bornyl acetate, β-selinene, trans-muurola-4 (14), 5-diene, α-bulnesene and elemol were present only in fresh oil. Out of these, β-selinene was present as major component.…”

Section: Essential Oil Compositionmentioning

confidence: 99%

“…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%

Section: Essential Oil Compositionmentioning

confidence: 99%

mentioning

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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Optimization of different drying methods and its impact on antioxidant potential of Ocimum basilicum L.

Bhatt,

Tewari,

Bisht

et al. 2024

Discov Appl Sci

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In the present study, the effect of different drying methods (sun drying, shade drying, oven drying at 35 °C, 45 °C, 55 °C and hot air blower drying) was assessed to optimize the essential oil (EO) quality of Ocimumbasilicum L. The fresh and dried samples were hydrodistilled using a Clevenger apparatus to extract the EO. The EO composition was determined by GC and GC–MS techniques. The antioxidant activity was measured using 2, 2- diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity; FRAP activity and Fe2+- ferrozine test system for iron chelating activity methods. The content of iron, copper, zinc and manganese were analyzed by Atomic Absorption Spectrophotometer (AAS). Sun dried O.basilicum showed the highest EO yield (0.8%, v/w). Linalool (10.67–32.91%) and methyl chavicol (16.24–58.00%) were present as the major components in all the EOs being the highest for blower dried and shade dried samples respectively. EO obtained from the shade dried material was showing the highest antioxidant potential followed by blower dried plant sample. Dried material exhibited higher micronutrient content as compared to the fresh one. The shade drying method can be a good option for obtaining the best quality essential oil from O.basilicum in terms of the major component and antioxidant potential.

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Identification of the Aroma Compounds of Ocimum americanum as a Function of Growth Stages and their In Vitro Antioxidant and Anti-inflammatory Potential

Rana

Tewari

Pande

et al. 2022

Journal of Essential Oil Bearing Plants

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

Cited by 5 publications

References 21 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

Optimization of different drying methods and its impact on antioxidant potential of Ocimum basilicum L.

Identification of the Aroma Compounds of Ocimum americanum as a Function of Growth Stages and their In Vitro Antioxidant and Anti-inflammatory Potential

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