Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

A-terpinyl acetate

Terpenoid pheromones, 24 473 Terpenoid skeletons, 24 469 biosynthesis of, 24 471 Terpin hydrate, 3 231 a-Terpineol, 24 477, 509-512, 3 231 hydrogenation of, 24 512 a-Terpinyl acetate, 24 512 a-Terpinyl chlorides, 24 479 a-Terpinyl esters, 3 231 y-Terpinene, 3 230 Terpinolene, 24 493 Terpolymers... [Pg.928]

Heteropoly acids such as H3PW12O40 (PW) are good catalysts for the hydration of limonene and other monoterpenes. PWs can be used as homogeneous catalysts in solution or supported on, for example, silica or MCM-41 materials. In aqueous acetic acid limonene gives, in the presence of PW, mainly a-terpineol (7) and a-terpinyl acetate (8) [17]. [Pg.106]

SCHEME 56. Na -directing regioselectivity and diastereoselection in the intrazeolite photooxygenation of a-terpinyl acetate... [Pg.887]

The major components of cardamom oil are 1,8-cineole and a-terpinyl acetate (ca. 30% each). Trace constituents like unsaturated aliphatic aldehydes may be important for the typical aroma [301-307b]. It is produced from cultivated or wild plants in the mountainous regions of southern India, Sri Lanka, Indonesia, and Guatemala. [Pg.181]

The main constituent of the leaf oil is a-terpinyl acetate, while the main constituent and odor-determining component of the root oil is ligustilide [4431-01-0] (3-butylidene-4,5-dihydrophthalide) [609-612a]. [Pg.203]

Cardamom Elettaria cardamo-mum Maton a-Terpinyl acetate (30), 1,8-cineole (30)... [Pg.78]

Cardamom oil 1,8-Cineol, a-terpinyl acetate Baked products... [Pg.462]

Cardamom Elettaria cardamomum (Zingiberaceae) ripe fruit 3-7 a-terpinyl acetate (25-35) cineole (25-45) linalool (5) flavour, carminative, ingredient of curries, pickles... [Pg.179]

The curry leaf plant is highly valued for its characteristic aroma and medicinal value (Philip, 1981). A number of leaf essential oil constituents and carbazole alkaloids have been extracted from the plant (Mallavarapu et al., 1999). There are a large number of oxygenated mono- and sesquiterpenes present, e.g. c/s-ocimene (34.1%), a-pinene (19.1%), y-terpinene (6.7%) and P-caryophyllene (9.5%), which appear to be responsible for the intense odour associated with the stalk and flower parts of curry leaves (Onayade and Adebajo, 2000). In fresh bay leaves, 1, 8-cineole is the major component, together with a-terpinyl acetate, sabinene, a-pinene, P-pinene, P-elemene, a-terpineol, linalool and eugenol (Kilic et al., 2004). [Pg.9]

Cineole, linalool, a-terpinyl acetate, methyl eugenol... [Pg.15]

The Malabar and Mysore types differ in the composition of their volatile oils. The oil from var. Malabar is more camphory in aroma, due to the higher content of 1,8-cineole. Var. Mysore, or the commercial grade, known as Alleppey green , contains more a-terpinyl acetate, which contributes to the mild spicy flavour. [Pg.44]

Table 3.5. Concentration of 1,8-cineole and a-terpinyl acetate in cardamom oils from different origins. Table 3.5. Concentration of 1,8-cineole and a-terpinyl acetate in cardamom oils from different origins.
Esters a-Terpinyl acetate Mildly herbaceous, sweet, spicy, 1-15 34.6-52.5... [Pg.46]

Based on the physical and biochemical parameters and molecular techniques, traded (exported) cardamoms from India, Sri Lanka and Guatemala had been characterized (Thomas et al., 2006). Indian cardamom was found to be superior for most of the physical quality parameters and for the biochemical traits. The GC profile of the oil of Indian cardamom also indicates a high quantity of a-terpinyl acetate and 1,8-cineole, which imparts aroma and flavour to the cardamom, thus reinforcing the legendary belief of the high intrinsic quality of the Indian cardamom. The GC-MS pattern of the volatile components in the cardamom... [Pg.48]

Six major compounds of the cardamom essential oil have been identified, namely 1,8-cineole, a-terpinyl acetate, linalool, lin-alyl acetate, a-terpineol and terpin-4-ol, in order of importance. These six compounds represent almost 90% of the aromatic compounds of the essential oil from cardamom and all of them are oxygenated compounds. [Pg.50]

A comparison of both the SFME method and hydrodistillation (HD), indicating the difference in the yields of the two major aromatic components, e.g. 1,8-cineole and a-terpinyl acetate, is shown in Table 3.10. Experiment 1 corresponds to the shortest extraction time, 23 min, the lowest irradiation power, 190 W and the lowest moisture content, while Experiment 8 consists of the longest extraction time, the highest irradiation power (340 W) and the highest moisture content (62%). In comparison, HD is... [Pg.50]


See other pages where A-terpinyl acetate is mentioned: [Pg.969]    [Pg.324]    [Pg.325]    [Pg.81]    [Pg.420]    [Pg.60]    [Pg.349]    [Pg.243]    [Pg.38]    [Pg.106]    [Pg.193]    [Pg.193]    [Pg.886]    [Pg.71]    [Pg.71]    [Pg.277]    [Pg.886]    [Pg.399]    [Pg.10]    [Pg.10]    [Pg.15]    [Pg.29]    [Pg.43]    [Pg.44]    [Pg.44]    [Pg.45]    [Pg.49]    [Pg.50]    [Pg.50]    [Pg.51]    [Pg.51]   
See also in sourсe #XX -- [ Pg.106 ]

See also in sourсe #XX -- [ Pg.71 , Pg.181 ]

See also in sourсe #XX -- [ Pg.179 ]

See also in sourсe #XX -- [ Pg.162 ]

See also in sourсe #XX -- [ Pg.75 , Pg.191 ]

See also in sourсe #XX -- [ Pg.600 ]




SEARCH



Terpinyl acetate

© 2024 chempedia.info