1975
DOI: 10.1002/j.2050-0416.1975.tb03709.x
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Factors Affecting the Survival of Lyophilized Brewery Yeast Strains

Abstract: Some of the factors that contribute to the loss of viability of brewery yeast strains during lyophilization (freeze-drying) have been investigated. A lyophilization technique for the maintenance of brewery yeast strains with higher viabilities than those previously reported has been developed. Three lyophilized strains of ale yeast still had a survival rate of 60% after periods of storage of up to three years, while a lager yeast strain maintained a viability of approximately 50% during storage for eighteen mo… Show more

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Cited by 10 publications
(5 citation statements)
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“…For all treatments, the smallest loss in viability occurred in storage at 5C. Similar results were noted in studies with brewer's yeast which had been freeze dried (Rose 1970;Hall and Webb 1975) and on spray-dried Luctobacillus delbrueckii ssp. bulgaricus (Teixeira et al 1995).…”
Section: Fig 2 Evolution Of Viability During Storage Of Spray-driedsupporting
confidence: 83%
See 1 more Smart Citation
“…For all treatments, the smallest loss in viability occurred in storage at 5C. Similar results were noted in studies with brewer's yeast which had been freeze dried (Rose 1970;Hall and Webb 1975) and on spray-dried Luctobacillus delbrueckii ssp. bulgaricus (Teixeira et al 1995).…”
Section: Fig 2 Evolution Of Viability During Storage Of Spray-driedsupporting
confidence: 83%
“…1972;Dziezak 1987;Bhandari 1992; Lievense and Van't Riet 1993;Grabowski et al 1996). However, there are not many reports on dehydrated brewer's yeast (Hall and Webb 1975).…”
Section: Introductionmentioning
confidence: 99%
“…These cells were harvested at the beginning of their stationary growth phase (Hall and Webb 1975) and subsequently freeze-dried for 24 h in a standard freeze-dryer, followed by heating at 23°C to minimize the residual moisture content (Cerrutti et al 2000).…”
Section: Yeast Culture and Freeze-drying Conditionsmentioning
confidence: 99%
“…Οι ξηρές ζύμες οινοποίησης διατίθενται από διάφορες εταιρίες για τις κατευθυνόμενες ζυμώσεις ή και την ενίσχυση των ζυμώσεων στην περίπτωση που η ζύμωση δεν φαίνεται να είναι ασφαλής. Μελέτη των παραγόντων που επηρεάζουν τη βιωσιμότητα των κυττάρων των ζυμών ζυθοποίησης (S. cerevisiae και S. carlsbergensis) κατά τη λυοφιλίωση έχει γίνει από τον Hall (1975). Οι προοπτικές για εφαρμογές και ανάπτυξη της λυοφιλίωση σε μεγάλη κλίμακα {scale-up), ο βιομηχανικός σχεδιασμός, ο έλεγχος και η πρόβλεψη της συμπεριφοράς των μικροοργανισμών απαιτούν την πειραματική και θεωρητική μελέτη της λυοφιλίωσης, την ανάπτυξη προχωρημένων θεωρητικών μοντέλων και συνδυασμό των δύο αυτών περιπτώσεων (Liapis et al, 1996).…”
Section: λυοφιλιωμένες ζύμες και άλλοι μικροοργανισμοί στη βιομηχανία τροφίμωνunclassified