Anti-stress effect and functionality of yeast hydrolysate SCP-20

Jin Man Kim, Seog Won Lee, Kyung Mi Kim, Un Jae Chang, Jae Chul Song, Hyung Joo Suh

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

SCP-20, an SCP-carbon which is a treated SCP-20 with active carbon, and extracts of St John's wort (St-wort) were tested to compare their anti-stress effects. When the SCP-20, SCP-carbon and St-wort were ingested by the rats for 8 days prior to being subjected to a 48 h stress period, they showed anti-stress effects on their changes of weight for the adrenal glands, spleen, thymus and thyroid in comparison with the stressed control. The levels of epinephrine and norepinephrine in plasma were increased by immobilized stress. St-wort, SCP-20, and SCP-carbon lowered the elevated levels of epinephrine and norepinephrine to near control levels. Emulsifying and foaming properties of the SCP-20 and SCP-carbon were measured in the range pH 3-8. The emulsifying activities of yeast hydrolysates increased to a high level near neutral pH, but decreased in acidic conditions. The emulsifying activity in SCP-carbon was higher in the acidic pHs than that in SCP-20. The patterns of the emulsion stabilities for SCP-20 and SCP-carbon were similar to those of the emulsifying activities. SCP-20 and SCP-carbon showed poor foaming capacity from pH 4.0 to 7.0. In particular, SCP-carbon showed lower foaming capacity and foam stability than SCP-20.

Original languageEnglish
Pages (from-to)168-172
Number of pages5
JournalEuropean Food Research and Technology
Volume217
Issue number2
DOIs
Publication statusPublished - 2003 Aug 1

Fingerprint

hydrolysates
Yeast
Carbon
Yeasts
yeasts
carbon
Hypericum perforatum
emulsifying
Norepinephrine
foaming capacity
epinephrine
norepinephrine
Epinephrine
Thymus
foaming properties
emulsifying properties
adrenal glands
Level control
Adrenal Glands
foams

Keywords

  • Active carbon
  • Anti-stress
  • Emulsion property
  • Foam property
  • Yeast hydrolysate

ASJC Scopus subject areas

  • Food Science

Cite this

Anti-stress effect and functionality of yeast hydrolysate SCP-20. / Kim, Jin Man; Lee, Seog Won; Kim, Kyung Mi; Chang, Un Jae; Song, Jae Chul; Suh, Hyung Joo.

In: European Food Research and Technology, Vol. 217, No. 2, 01.08.2003, p. 168-172.

Research output: Contribution to journalArticle

Kim, Jin Man ; Lee, Seog Won ; Kim, Kyung Mi ; Chang, Un Jae ; Song, Jae Chul ; Suh, Hyung Joo. / Anti-stress effect and functionality of yeast hydrolysate SCP-20. In: European Food Research and Technology. 2003 ; Vol. 217, No. 2. pp. 168-172.
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