menthone वाक्य
उदाहरण वाक्य
मोबाइल
- Pure l-menthone has an intensely minty clean aroma.
- Menthone is a monoterpene and a ketone.
- Menthone is a naturally occurring pesticide used in some products such as Ecosmart Roach Killer.
- The reaction between menthone and anisaldehyde is complicated due to steric shielding of the ketone group.
- If menthone and isomenthone are equilibrated at room temperature, the isomenthone content will reach 29 %.
- Chemical substances that can be extracted from wild mint include menthol, menthone, beta-caryophyllene, alpha-pinene, beta-pinene, tannins and flavonoids.
- By contrast, d-isomenthone has a " green " note, increasing levels of which are perceived to detract from the odor-quality of l-menthone.
- In the flowering tops 19 compounds were identified in the essential oil, predominantly 29 % neomenthol, 24 % menthone, 20 % menthol, and 8 % piperitone.
- Cornmint, Field Mint, Japanese Mint and to a lesser extent-6, 530 ppm in " Mentha x piperita subsp . nothosubsp . piperita " ) and menthone.
- ( " )-Menthol occurs naturally in peppermint oil ( along with a little menthone, the ester menthyl acetate and other compounds ), obtained from " Mentha x piperita ".
- The chemical composition of the essential oil from peppermint ( Mentha x piperita L . ) was analyzed by GC-MS . The main constituents were menthol ( 40.7 % ) and menthone ( 23.4 % ).
- If the chromic acid oxidation is performed with stoichiometric oxidant in the presence of diethyl ether as co-solvent, a method introduced by H . C . Brown, the epimerization of l-menthone to d-isomenthone is largely avoided.
- The leaves contain rutin, mucilage, volatile oils such as limonene and diosphenol ( or barosma camphor ) also menthone, quercetin, quercetrin, hesperidin, alpha-pinene, calcium, iron, magnesium, manganese, phosphorus, potassium, selenium, silicon, zinc, B 3 and vitamin C.
- Geranyl diphosphate synthase ( GPPS ), first catalyzes the reaction of ( " )-limonene synthase ( LS ) catalyzes the cyclization of geranyl diphosphate to ( " )-limonene . ( " )-Limonene-3-hydroxylase ( L3OH ), using O 2 and NADPH, then catalyzes the allylic hydroxylation of ( " )-limonene at the 3 position to ( " )-trans-isopiperitenol . ( " )-Trans-isopiperitenol dehydrogenase ( iPD ) further oxidizes the hydroxy group on the 3 position using NAD + to make ( " )-isopiperitenone . ( " )-Isopiperitenone reductase ( iPR ) then reduces the double bond between carbons 1 and 2 using NADPH to form ( + )-cis-isopulegone . ( + )-Cis-isopulegone isomerase ( iPI ) then isomerizes the remaining double bond to form ( + )-pulegone . ( + )-Pulegone reductase ( PR ) then reduces this double bond using NADPH to form ( " )-menthone . ( " )-Menthone reductase ( MR ) then reduces the carbonyl group using NADPH to form ( " )-menthol.
- Geranyl diphosphate synthase ( GPPS ), first catalyzes the reaction of ( " )-limonene synthase ( LS ) catalyzes the cyclization of geranyl diphosphate to ( " )-limonene . ( " )-Limonene-3-hydroxylase ( L3OH ), using O 2 and NADPH, then catalyzes the allylic hydroxylation of ( " )-limonene at the 3 position to ( " )-trans-isopiperitenol . ( " )-Trans-isopiperitenol dehydrogenase ( iPD ) further oxidizes the hydroxy group on the 3 position using NAD + to make ( " )-isopiperitenone . ( " )-Isopiperitenone reductase ( iPR ) then reduces the double bond between carbons 1 and 2 using NADPH to form ( + )-cis-isopulegone . ( + )-Cis-isopulegone isomerase ( iPI ) then isomerizes the remaining double bond to form ( + )-pulegone . ( + )-Pulegone reductase ( PR ) then reduces this double bond using NADPH to form ( " )-menthone . ( " )-Menthone reductase ( MR ) then reduces the carbonyl group using NADPH to form ( " )-menthol.
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