Flavor threshold for acetaldehyde in milk, chocolate milk, and spring water using solid phase microextraction gas chromatography for quantification

Marleen Van Aardt, Susan E. Duncan, Dianne Bourne, Joseph E. Marcy, Timothy Edward Long, Cameron R. Hackney, Cheryl Heisey

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The detection threshold of acetaldehyde was determined on whole, lowfat, and nonfat milks, chocolate-flavored milk, and spring water. Knowledge of the acetaldehyde threshold is important because acetaldehyde forms in milk during storage as a result of light oxidation. It is also a degradation product of poly(ethylene terephthalate) during melt processing, a relatively new packaging choice for milk and water. There was no significant difference in the acetaldehyde threshold in milk of various fat contents, with thresholds ranging from 3939 to 4040 ppb. Chocolate-flavored milk and spring water showed thresholds of 10048 and 167 ppb, respectively, which compares favorably with previous studies. Solid phase microextraction (SPME) was verified as an effective method for the recovery of acetaldehyde in all media with detection levels as low as 200 and 20 ppb in milk and water, respectively, when using a polydimethyl siloxane/Carboxen SPME fiber in static headspace at 45°C for 15 min.

Original languageEnglish
Pages (from-to)1377-1381
Number of pages5
JournalJournal of Agricultural and Food Chemistry
Volume49
Issue number3
DOIs
Publication statusPublished - 2001 Oct 2
Externally publishedYes

Fingerprint

chocolate milk
milk chocolate
Solid Phase Microextraction
Springs (water)
Acetaldehyde
Flavors
acetaldehyde
Gas chromatography
Gas Chromatography
Milk
flavor
gas chromatography
flavored milk
Water
milk
water
cocoa (beverage)
low fat milk
whole milk
skim milk

Keywords

  • Acetaldehyde
  • Fat content
  • Milk
  • Solid phase microextraction
  • Threshold

ASJC Scopus subject areas

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Cite this

Flavor threshold for acetaldehyde in milk, chocolate milk, and spring water using solid phase microextraction gas chromatography for quantification. / Van Aardt, Marleen; Duncan, Susan E.; Bourne, Dianne; Marcy, Joseph E.; Long, Timothy Edward; Hackney, Cameron R.; Heisey, Cheryl.

In: Journal of Agricultural and Food Chemistry, Vol. 49, No. 3, 02.10.2001, p. 1377-1381.

Research output: Contribution to journalArticle

Van Aardt, Marleen ; Duncan, Susan E. ; Bourne, Dianne ; Marcy, Joseph E. ; Long, Timothy Edward ; Hackney, Cameron R. ; Heisey, Cheryl. / Flavor threshold for acetaldehyde in milk, chocolate milk, and spring water using solid phase microextraction gas chromatography for quantification. In: Journal of Agricultural and Food Chemistry. 2001 ; Vol. 49, No. 3. pp. 1377-1381.
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