Parameters of vetiver oil distillation

Distillation studies on vetiver (Vetiveria zizanioides) in northern India during 1987 to 1991, demonstrated that maximum oil content was associated with freshly harvested roots and that extractable oil decreased with delays in harvest and storage period. Distillation of roots for 12 h was sufficient...

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Bibliographic Details
Published in:Journal of herbs, spices & medicinal plants spices & medicinal plants, 1998, Vol.6 (2), p.55-61
Main Authors: Aggarwal, K.K, Singh, A, Kahol, A.P, Singh, M
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Applied sciences
Biological and medical sciences
chemical composition
Chemical industry and chemicals
Chrysopogon zizanioides
Distillation
essential oil
essential oils
Essential oils, perfumes
Exact sciences and technology
extraction
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
geographical variation
harvest date
Harvesting. Postharvest. Storage
medicinal plant
medicinal plants
oil extraction
perfume
population
processing technology
roots
storage
Vegetative propagation. Sowing and planting. Harvesting
Veliveria zizanioides
Vetiveria zizanioides
Washing products. Cosmetics and toiletries. Perfumes
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Summary:Distillation studies on vetiver (Vetiveria zizanioides) in northern India during 1987 to 1991, demonstrated that maximum oil content was associated with freshly harvested roots and that extractable oil decreased with delays in harvest and storage period. Distillation of roots for 12 h was sufficient for extracting 96.9 percent of the total oil with most of the oil recovered within the first 2 h of distillation. Laboratory and small pilot scale studies on distillation indicated that cutting roots into small pieces did not improve the oil recovery. Hydrodistillation gave an oil recovery of 0.28 percent as compared with an oil recovery of 0.23 percent with steam distillation. Wide variations in the essential oil content (0.15-0.29% dry weight) of vetiver roots was noted in roots collected from wild populations growing at different locations.
ISSN:1049-6475
1540-3580
DOI:10.1300/J044v06n02_07