| 1. |
|
|
| 2. |
|
|
| 3. |
|
|
| 4. |
- Danielsson-Tham, Marie-Louise, 1947-
(författare)
-
Tute hoc intristi, tibi omne est exedendum – Som man lagar får man äta : Næringsmiddelproduksjon i relasjon til kvalitet/etikk
- 1990
-
Ingår i: Proceedings fra XVI. Nordiske Veterinærkongress,DYREHOLD I DET MODERNE SAMFUNN,Etiske, dyrevernmessige, bioteknologiske, sosiale/psykososiale og næringsmiddel-/miljøhygieniske aspekter, Oslo 31.7.–3.8 1990. ; , s. 113-115
-
Konferensbidrag (refereegranskat)
|
|
| 5. |
- Lyxell, Gabriella, et al.
(författare)
-
Yersinia enterocolitica – En livsmedelsburen patogen?
- 1990
-
Ingår i: Svensk veterinärtidning. - Stockholm : Sveriges veterinärförbund. - 0346-2250. ; 42:14, s. 599-602
-
Tidskriftsartikel (refereegranskat)abstract
- Of 106 samples of human food, purchased in and around Uppsala and Stockholm, and one of frozen dog meat, only 4 (3.7%) were positive for Yersinia; most of the isolates were non-pathogenic. Y. enterocolitica biotype 4 was isolated from the dog meat.
|
|
| 6. |
- Sörqvist, S., et al.
(författare)
-
Survival of Campylobacter, Salmonella and Yersinia spp. in scalding water used at pig slaughter
- 1990
-
Ingår i: Fleischwirtschaft international. - : Deutscher Fachverlag GMBH. - 0179-2415. ; 70:12, s. 1451-1454
-
Tidskriftsartikel (refereegranskat)abstract
- Heat resistance was determined for various strains of C. coli and C. jejuni at 53, 54 and 56°C and S. derby, S. montevideo, S. typhimurium and Y. enterocolitica at 58, 60 and 62°C in autoclaved scalding water (SW; pHca8) and in some experiments in sterile physiological saline (PS; pH7). D values for Campylobacter and Salmonella (but not Yersinia) were significantly lower in SW than in PS, which was attributed to the difference in pH. It is concluded that only small numbers of Campylobacter, Salmonella and Yersinia would be expected to survive in SW at the commonly used temperatures (58-62°C), but temperatures above 62°C are recommended to minimise the risk of contamination.
|
|
| 7. |
|
|
| 8. |
- Tham, Wilhelm, 1951-, et al.
(författare)
-
Bacteriological quality of on-farm manufactured goat cheese
- 1990
-
Ingår i: Epidemiology and Infection. - : Cambridge University Press. - 0950-2688 .- 1469-4409. ; 104, s. 87-100
-
Tidskriftsartikel (refereegranskat)abstract
- The bacteriological quality of 198 ripened soft or semi-soft goat cheeses obtained from dairy farms and the retail trade was investigated. The cheeses were examined for total counts of aerobic bacteria, coliform bacteria (37 and 44 °C respectively), enterocoeci, coagulase positive staphylococci,Bacillus cereusandClostridium perfringens.Cheeses obtained from dairy-farms were also determined for pH value. In terms of all tests performed, cheeses made of heat-treated milk with starter culture had the best prospects for fulfilling the criteria for 'fit for consumption '. Cheeses made of raw milk without starter culture made up the most unsatisfactory group from a food-hygiene point of view. Bacteriological guidelines for on-farm manufactured goat cheese are suggested.
|
|
| 9. |
- Tham, Wilhelm, 1951-, et al.
(författare)
-
Histamine formation by enterococci in goat cheese
- 1990
-
Ingår i: International Journal of Food Microbiology. - : Elsevier. - 0168-1605 .- 1879-3460. ; 11:3-4, s. 225-229
-
Tidskriftsartikel (refereegranskat)abstract
- Cheeses were made of heat-treated goat milk inoculated with large numbers of a histamine-producing strain of Streptococcus faecium or a non-histamine-producing strain of S. faecalis. Every second week during ripening (91 days) the cheeses were sampled for histamine analyses and bacteriological analyses. The numbers of enterococci remained high throughout the whole period of investigation and the maximum amount of histamine detected was 8.2-mu-g/g in one of the cheeses. The enterococci seem to have no relevance from a histamine intoxication point of view in cheeses of this kind.
|
|
| 10. |
- Tham, Wilhelm, 1951-, et al.
(författare)
-
Myter och nyheter om listerios
- 1990
-
Ingår i: Allmänt Veterinärmöte 1990. - Stockholm : Sveriges veterinärförbund. ; , s. 125-130
-
Konferensbidrag (övrigt vetenskapligt/konstnärligt)
|
|
