pulegone वाक्य
उदाहरण वाक्य
मोबाइल
- One such method is a condensation reaction of olivetol and pulegone.
- Racemic menthol can also be formed by hydrogenation of pulegone.
- Its essential oils are high in pulegone.
- Pulegone is a clear colorless oily liquid and has a pleasant odor similar to pennyroyal, peppermint and camphor.
- Pulegone is also an insecticide " the most powerful of three insecticides naturally occurring in many mint species.
- Peppermint oil has a high concentration of natural pesticides, mainly pulegone ( Found mainly in " Mentha arvensis var . piperascens"
- The substances that give the mints their characteristic aromas and flavors are menthol ( the main aroma of peppermint and Japanese peppermint ) and pulegone ( in pennyroyal and Corsican mint ).
- "' Pulegone "'is a naturally occurring organic compound obtained from the essential oils of a variety of plants such as " Nepeta cataria " ( catnip ), " Mentha piperita ", and pennyroyal.
- In the reaction only half the pulegone reactant ( "'2 "') is labeled and on recombining a labeled imine fragment can react with another labeled ketone fragment or an unlabeled fragment and likewise a labeled ketone fragment can react with a labeled or unlabeled imine fragment.
- With the limitation that the concentration of pulegone should not exceed 1 %, it has been concluded that Mentha Piperita ( Peppermint ) Oil, Mentha Piperita ( Peppermint ) Extract, Mentha Piperita ( Peppermint ) Leaves, Mentha Piperita ( Peppermint ) Water are safe as used in cosmetic formulations.
- Among the tasty assortment of delicacies associated with terpenes or terpenoids are citrus ( limonene ), black pepper ( sabinene ), ginger ( zingiberene and other sesquiterpenoids ), mint ( pulegone, although menthol is not an example ), cloves ( eugenol ), strawberry ( linalool and nerolidol ), among many, many others.
- Other terpenoids present only in traces are sabinene, ?-terpinene, 1, 8-cineole ( eucalyptol ), pulegone, ?-terpinene, terpineol-4-ol, bornyl acetate, ?-copaene, alloaromadendrene, viridiflorene, ?-bisabolene, ?-cadinene, trans-?-farnesene, trans-nerolidol, and ?-bisabolol.
- A wide variety of further routes continue to be explored, from early days until today, including total synthesis routes from ( " R " )-( + )-pulegone, semisyntheses from a more plentiful biosynthetic precursor, artemisinic acid in the latter case, including some very short and very high yielding biomimetic synthesis examples ( of Roth and Acton, and Haynes et al ., e . g ., 3 steps, 30 % yield ), which again feature the singlet oxygen ene chemistry.
- 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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