Emissions of small straight-chain aldehydes, such as hexanal, pentanal, heptanal, octanal, and nonanal
, generally exceeded emissions of other compounds and accounted for more than 50 percent of total VOC emissions.
Authentic standards of linalool, (E)-linalool oxide A (furanoid), (Z)-linalool oxide B (furanoid), (E)-linalool oxide C (pyranoid), geraniol, citral, [beta]-myrcene, D-limonene, [beta]-ocimene, nerol, nerolidol, [beta]-ionone, geranyl acetone, naphthalene, (Z)-3-hexen-1-ol, eugenol, nonanal
, benzyl alcohol, benzene acetaldehyde, methyl salicylate, (Z)-3-hexenol acetate, 3-octen-1-ol, indole, and ethyl decanoate were purchased from Sigma-Aldrich (Shanghai, China).
Moreover, some aliphatic aldehydes, especially some short-chain aliphatic aldehydes ([C.sub.5]-[C.sub.9]), were also reported in sheep meat; these aldehydes are as follows: hexanal (fruity, fatty, and green), heptanal (nutty, oily, and fruity), octanal (fruity, floral, and fatty), nonanal
(oily, fatty), and 2-octenal (fruity) .
They also verified that the volatile compounds linalool and nonanal
, both reported in our samples, have been characterized as aroma-active compounds, which may contribute to floral or fruity odors in green tea infusions.
Summary: Fact.MR has announced the addition of the "Nonanal
Market ": Global Industry Analysis and Opportunity Assessment "2018 to 2028" report to their offering.
The minor compounds, accounting for 0.01% to 8.5% of the total volatile compounds, included propanal, butanal, 3-methyl butanal, pentanal, heptanal, benzaldehyde, octanal, nonanal
, butane, carbon disulfide, 2-butene, n-pentane, hexane, heptane, octane, ethylacetate, 2-butanone, 2,3-butanedione, 3-hydroxy-2-butanone, 2-heptanone, 2,3-octanedione, dimethyl sulfide, ethanol, isopropyl alcohol, 1-pentanol, and 1,3,5-cycloheptatriene.
200 [micro]g/[m.sup.3]) and nonanal
(<50 [micro]g/[m.sup.3]) as other aldehydes identified in this gaseous fraction.
To date, nonanal
has been mainly produced from a petrochemical (Octene).
The important compounds affecting the flavor of fermented jerky included DL-Glutamic Acid, Phenylethyl Alcohol, 1-Octen-3-ol, Nonanal
, Pentanal, 3-Methyl-Butanal, and 2-Pentyl-Furan.
The researchers precisely determined the nature and concentrations of these compounds, and found heptanal, octanal and nonanal
, which are known as aldehydes in chemistry, to be emitted at higher levels by children with malaria.
Compounds I[K.sub.exp] I[K.sub.lit] HP YE YES Sugar 2-methylpyrazine -- -- -- + + -- 2-furanmethanol 859 858 + -- -- -- methional 869 865 + -- -- -- benzaldehyde 1,028 1,003 + + + -- phenylacetaldehyde 1,105 1,100 + + + -- 2-ethyl-1-hexanol 1,116 1,115 -- + + + nonanal
1,183 1,102 -- + + + ethylester L-isoleucine 1,191 1,102 + + + -- camphor 1,216 1,200 + -- -- -- decanal 1,284 1,284 -- + + -- HP - hydrolyzed protein, YE - yeast extract, YES - yeast extract with sugar and pure sugar diluted in water.