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Benzoquinones from Costus speciosus seeds |
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| Authors: | Umar Mahmood Yogendra N. Shukla Raghunath S. Thakur |
| Affiliation: | Central Institute of Medicinal and Aromatic Plants, Lucknow, 226016, India |
| Abstract: | In addition to α-tocopherolquinone and 5α-stigmast-9(11)-en-3β-ol, two new quinones have been isolated from the seeds of Costus speciosus and characterized as 6-methyl dihydrophytylplastoquinone (2,5,6-trimethyl-3-(3,7,11,15-tetramethylhexadecyl)-1,4-benzoquinone) and dihydrophytylplastoquinone (5,6-dimethyl-3-(3,7,11,15-tetramethylhexadecyl)-1,4-benzoquinone) respectively by physical data and chemical studies. |
| Keywords: | Costaceae seeds 6-methyl dihydrophytylplastoquinone dihydrophytylplastoquinone α-tocopherolquinone 5α-stigmast-9(11)-en-3β-ol. |
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