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- Title
EFFECT OF AMINO ACIDS ADDED TO CULTURE MEDIUM ON THE GROWTH AND SURVIVAL OF LACTOBACILLUS BULGARICUS LB6 DURING FREEZE-DRYING.
- Authors
GUOWEI SHU; BOWEN ZHANG; SHIWEI CHEN; HONGCHANG WAN; HE CHEN
- Abstract
Plackett-Burman design was applied to evaluate the effects of amino acids on the growth in medium and survival during freeze-drying of Lactobacillus bulgaricus LB6. Moreover, in consideration of the optimal amino acids for the growth and survival of Lactobacillus bulgaricus LB6 before and after freeze-drying, viable counts and survival rate were monitored in the medium containing selected amino acids (Glutamate, Alanine, Glycine, Leucine, Serine, Arginine, Lysine and Hydroxyproline). The results indicated that Leucine (p=0.0117 for viable counts, p=0.0121 for survival rate) and Arginine (p=0.0120 for viable counts, p=0.0043 for survival rate) out of the investigated amino acids can significantly affect both the growth and survival rate of Lactobacillus bulgaricus LB6, and have a positive effect.
- Subjects
AMINO acids; LACTOBACILLUS bulgaricus; BACTERIAL growth; FREEZE-drying; ARGININE
- Publication
Annals of the University Dunarea de Jos of Galati Fascicle VI: Food Technology / Analele Universităţii Dunărea de Jos din Galaţi, Fascicula VI: Tehnologia Produselor Alimentare, 2017, Vol 41, Issue 1, p106
- ISSN
1843-5157
- Publication type
Article