The Relations of Volatile Compounds, Some Parameters and Consumer Preference of Commercial Fermented Milks in Thailand
The aim of research was to define the relations
between volatile compounds, some parameters (pH, titratable acidity
(TA), total soluble solid (TSS), lactic acid bacteria count) and
consumer preference of commercial fermented milks. These relations
tend to be used for controlling and developing new fermented milk
product. Three leading commercial brands of fermented milks in
Thailand were evaluated by consumers (n=71) using hedonic scale
for four attributes (sweetness, sourness, flavour, and overall liking),
volatile compounds using headspace-solid phase microextraction
(HS-SPME) GC-MS, pH, TA, TSS and LAB count. Then the
relations were analyzed by principal component analysis (PCA). The
PCA data showed that all of four attributes liking scores were related
to each other. They were also related to TA, TSS and volatile
compounds. The related volatile compounds were mainly on
fermented produced compounds including acetic acid, furanmethanol,
furfural, octanoic acid and the volatiles known as artificial fruit
flavour (beta pinene, limonene, vanillin, and ethyl vanillin). These
compounds were provided the information about flavour addition in
commercial fermented milk in Thailand.
 G. O. Young, “Synthetic structure of industrial plastics (Book style with
paper title and editor),” in Plastics, 2nd ed. vol. 3, J. Peters, Ed. New
York: McGraw-Hill, 1964, pp. 15–64.
 L.-E. Nilsson, S. Lyck, and A.Y. Tamime, “Production of drinking
products,” in Fermented milk, 1st ed., A. Y. Tamime, Ed. Oxford:
Blackwell Science Ltd, 2006, pp. 95-127.
 Brandage-thaicoon. 2553. สมัชชานมเปรี้ยวแตกดัชมิลล์ดานอนเมจิล้อมปราบยาคลูท์ .
สยามรัฐฉบับเกาเหลานมแบรนด์บรรษัท. 61 (20888): 39
 W. Routrayand H. N.Mishra, “Scientific and technical aspects of yogurt
aroma and taste: a review,: Comprehensive Reviews in Food Science
and Food Safety, vol. 10, pp. 208-220, 2011
 A. Ott, A. Hugi, M. Baumgartner, and A. Chaintreau, “Sensory
Investigation of Yogurt Flavor Perception: Mutual Influence of Volatiles
and Acidity,” Journal of Agricultural and Food chemistry, vol. 48, pp.
 Official methods of analysis, The association of analytical chemistry
(AOAC), ed. 15th. 1990.
 L. Ning, Z. Fu-ping, C. Hai-tao, L. Si-yuan, G. Chen, S. Zhen- yang,
and S. Bao-guo, “Identification of volatile components in Chinese
Sinkiang fermented camel milk using SAFE, SDE and HS-SPMEGC/
MS,” Food Chemistry, vol. 129, pp. 1242-1252, 2011.
 D. Beshkova, E. Simova, G. Frengova, and Z. Simov, “Production of
flavor compounds by yogurt starter cultures,” Journal of Industrial
Micrology& Biotechnology, vol. 20, pp. 180-186, 1998.
 Z. Guler, “Changes in salted yoghurt during storage,” International
Journal of Food Science & Technology, vol. 42, pp. 235-245, 2007
 R. Imhofand J. O. Bosset, “Quantitative CG-MS analysis of volatile
flavour compounds in pasteurized milk and fermented milk products
applying a standard addition method,” Lebensmittel-Wissenschaft &
Technologie, vol. 27, pp. 265– 269, 1994.
 I.Laye, D. Karleskind, and C. V. Morr, “Chemical, microbiological and
sensory properties of plain nonfat yogurt,” Journal of Food Science,
vol.58, pp. 991–995, 1993.
 A. Ott, L. B. Fay, and A. Chaintreau, “Determination and origin of the
aroma impact compounds of yogurt flavor,” Journal of Agricultural and
Food Chemistry, vol.45, pp. 850-858, 1997.
 H. Cheng, “Volatile flavor compounds in yogurt: a review,” Food
science and nutrition, vol. 50, pp. 938-950, 2010.
 Z. Vickers, E. Holton, and J. Wang, “Effect of yogurt sweetness on
sensory specific satiety,” Journal of Sensory Studies, vol. 13, pp. 377-
 S. Koskinen, N. Kälviäinen and H. Tuorila, “Perception of
chemosensory stimuli and related responses to flavored yogurts in the
young and elderly,” Food Quality and Preference, vol. 14, pp. 623-635,
 D. L. Barnes, “Comsumer and Descriptive Panel Analysis of
Commercial Yogurts,” The degree of Master of Science in Food Science
and Technology, Oregon State University, 1991.