Zobrazeno 1 - 10
of 78
pro vyhledávání: '"W.C. Frazier"'
Autor:
H.J. Peppler, W.C. Frazier
Publikováno v:
Journal of Dairy Science. 24:611-623
Summary 1.Successive transfers every 12 and 24 hours at 37° and 40° C. resulted in more heat resistant cultures of L. helveticus at 40° than at 37° when mother cultures were grown in freshly reconstituted skimmilk. In a medium with added accessor
Autor:
W.C. Frazier, John A. Alford
Publikováno v:
Journal of Dairy Science. 33:107-114
Autor:
Paul R. Elliker, W.C. Frazier
Publikováno v:
Journal of Dairy Science. 21:801-813
Summary 1.When L. helveticus was carried for numerous transfers at different temperatures by methods similar to those commonly employed in handling starter cultures of this organism, those cultures carried at 37° and 40° were more active following
Publikováno v:
Journal of Dairy Science. 26:833-839
Summary When Brick cheese was made by the mild wash method from raw milk which was inoculated with 0.0025 per cent of A. aerogenes: 1.A combination of Str. lactis and Str. thermophilus starters and a cooking temperature of 106° or 112° F. did not p
Autor:
F.W. Barber, W.C. Frazier
Publikováno v:
Journal of Dairy Science. 26:343-352
Summary The results of these studies on the development of a positive phosphatase reaction in refrigerated, pasteurized cream may be summarized as follows: 1. Commercially pasteurized creams, regardless of their butter fat content, changed in their r
Publikováno v:
Journal of Dairy Science. 46:891-896
The heat resistance of spores of Bacillus coagulans WH-9, Bacillus stearothermophilus 1518, and Clostridium sporogenes (PA 3679) was determined in 3:1 milk concentrate and 0.067 M phosphate buffer (pH 6.2). Although spore inactivation was predominant
Publikováno v:
Journal of Dairy Science. 18:503-510
Summary A study of a large number of wheels of Swiss cheese manufactured at a plant under factory conditions, in an effort to determine what acidity of pure culture starters and what rate of lactic acid fermentation in the cheese in the press were mo
Publikováno v:
Journal of Dairy Science. 19:535-539
Summary Attempts were made to ripen milk for Swiss cheese by inoculation with Str. lactis or Str. thermophilus and holding over night at 20 to 25° C. Inoculation of the kettle milk with Str. lactis was also attempted. About one-fifth of the milk to
Publikováno v:
Journal of Dairy Science. 25:313-321
Summary 1In an effort to remedy the acid defect common in high moisture Brick cheese a process was introduced for washing the curd with water before dipping. After this treatment enough fermentable lactose remained in the curd to lower the pH to abou
Autor:
W.C. Frazier, Paul R. Elliker
Publikováno v:
Journal of Dairy Science. 22:821-830
Summary 1.L. helveticus, L. lactis and Lactobacillus sp. all developed more actively in freshly prepared than in old, sterile reconstituted skim milk. The age of the sterile reconstituted skim milk used as culture medium had no significant influence