Studies on the Essential Oils and Biological Activity of Citrus Spp
Leaves and peels of four different Citrus spp (Cilrus hystrix, Citrus microcarpa, Citrus lemon, Citrus reticulata) were subjected to hydrodistillation using Clevenger-type apparatus. The average yields of essential oils in the leaves and peels ranged from 0.08 % to 0.73 % and 0.30 % to 1.01 % respec...
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| Format: | Final Year Project Report |
| Language: | English English |
| Published: |
Universiti Malaysia Sarawak, (UNIMAS)
2019
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| Online Access: | http://ir.unimas.my/id/eprint/37889/1/FELICITY%20VALARIE%20ANAK%20JAWAN%2024pgs.pdf http://ir.unimas.my/id/eprint/37889/4/Felicity%20Valarie%20Jawan%20ft.pdf http://ir.unimas.my/id/eprint/37889/ |
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| Summary: | Leaves and peels of four different Citrus spp (Cilrus hystrix, Citrus microcarpa, Citrus lemon, Citrus reticulata) were subjected to hydrodistillation using Clevenger-type apparatus. The average yields of essential oils in the leaves and peels ranged from 0.08 % to 0.73 % and 0.30 % to 1.01 % respectively. The oils obtained from the fresh leaves and peels sample were analyzed by Gas-chromatography-mass spectrometry (GC-MS). Total of 23 and 20 chemical constituent were identified respectively. The major compounds found in the leaves oils were d-limonene, citronellal, linalool, caryophyllene and humulene. Major compounds found in the peels oils of Citrus spp were d-limonene, beta-bisabolene, alpha-bisabolol and alpha-cadino!. The cytotoxic effect of Citrus spp with brine shrimp given LC;o more than 100 >Jg/mL show that Cilrus spp oils practically non-toxic. All the Citrus spp oils have good antioxidant activity except leaves of Cilrus microcarpa and. Citrus reticulata which have moderate antioxidant activity. |
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