???(Probiotics)VS. ???(Prebiotics) - PowerPoint PPT Presentation

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Title:

???(Probiotics)VS. ???(Prebiotics)

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Title: I Author: Ifen Last modified by: 1135 Created Date: 10/10/2002 9:07:03 AM Document presentation format: Company: Super – PowerPoint PPT presentation

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Title: ???(Probiotics)VS. ???(Prebiotics)


1
? ? ? ??????????????
2
???(Probiotics)VS. ???(Prebiotics)
  • ???---?????????????,??????????????,???????????????
    ??????A?B?,?????????,?????????????

3
?????(prebiotics,??????)
  • ??????????????????,????? ?????????
  • ?????????????????????,?????,??????????,??????,????
    ????

4
???????
  • ??????????????????????,???????????,???????????????
    ????(?)??????????????,????????,???????????,??????

5
??????????????
  • ???????????????????,???????????????,??????????????
  • ?????????????????????,??????????????????,?????????
    ?,??????IgA??,???????
  • ??????????????????,?????

6
?????????????
  • ?????????????T???,???????????????(??Th1?Th2),?????
    ???????,????????????,?Th2?????,???????????????????
    ???????Th2,?????????????Th1/Th2?????

7
Probiotic
  • Probiotic????1908????????,????????Elie
    Metchnikoff ??????????????????,?????????????????,
    ?????????

8
PREBIOTICS
  • ?? ??????,????,????????? ????????????,??????????
    ??????????
  • ??????? ???????lactobacilli?bifidobacteri???,?????
    ??????
  • ??????????????????????
  • ????????????????????
  • ????????????????????????

9
??????????
  • ????????????????,???????????prebiotic,????????????
    ????????Prebiotic??????????????????????,???????,??
    ,??,??????

10
???????????
  • ? ) ??????? (short-chain fatty acid) ???? ? )
    ????? ? ) ???????,???? ? ) ??????
  • ?????????????????????????????

11
???
  • ?????????????????????????,??????????????????
  • ???????????????,?????(Escherichia
    coli)?????(Staphylococcus aureus)?
  • ????????????????,???????????(lactic acid
    bacteria, LAB)

12
Lactic acid bacteria
  • Lactic acid bacteria are a group of related
    bacteria that produce lactic acid as a result of
    carbohydrate fermentation.
  • These microbes are broadly used by us in the
    production of fermented food products, such as
    yogurt.

13
(No Transcript)
14
???
  • ??????????????,??????(Pseudomonas)???(Fungus),????
    ?,??????,????????????????,???????,?????????????
  • ???????????,???????

15
????
  • ??????????????????????,??????????,??????????????,?
    ??????
  • ?????????????,?????????,????????,????????,????????
    ?,?????????????,???????

16
???
  • ?????(probiotics)???????(???)??????????????????
  • ?????????????????,?????????????
  • ????????,????????????????????????

17
??????
  • ????????,??????????????????????????,??????????????
    ?????,??????????????
  • ??????--?????(1845-1916)?????????,?????????,??????
    ????????,????????????????

18
??????
  • ???????????????,????????????????,??????,??????????
    ,????,????????????????

19
??????
  • ??????????
  • ????????? ????????????
  • ?????????????????????
  • ??????????,??????????????????????(bacteriocin)???
    ????

20
????
  • ???????????????,?????????????????,??????????
  • ??????????,?????????,????????????????????????,????
    ????????,???????????
  • 1908??????????????----?????????

21
?????????????
  • ?????????????????????,?????????????????,??????????
  • ???????????????,????????????,??????????,??????????
    ?

22
????????
  • ?????????????????????????
  • ????????,???????????????,??????????????,??????????
    ?????????????

23
?????A????B??
  • ??????????,?????A????B?????
  • ???????????????,?????????????,????????????????,??
    ?????????

24
B?---?????
  • ???????????????,????????????????????,??????????,??
    ??????????,???????????
  • ??????????????????,????B??,???????(Bifido
    bacterium bifidum)??????????????

25
?A??--???????
  • ?????????A??--???????(Lactobacillus
    acidophilus),??B??
  • ?????????,????????,?????????,?????????????,???????
    ????????,????????,??????????????,??????????????

26
????????
  • ??????????????????????????????,?????????????,?????
    ???,?????????

27
?????
  • 1949?,??????????????????????????????(Lactobacillus
    sporogenesis)??
  • ?????????????????????????(endospore),???????????

28
???????????
  • ????????????????,???????,?????????????????????????
    ?,??????????,???????

29
??????????
  • ??????????????????,????????,????????????,?????????
    ?????????,????????????????????????,???????????????

30
???????
  • ?????????????????????????,????????????????????????
    ???????????,?????????????????????,????????????????
    ???,??????????,???????????????????,????????

31
(No Transcript)
32
(No Transcript)
33
????????????
  • ?????????????????????
  • ???????????????,????????,??????????????????

34
???????????
  • ?????????????????????????????,??????,??????????

35
?????????????
  • ????????????????,????????????????,????????????,???
    ?????,?????????????????????,??,????????,??????????
    ???
  • ???????????????????,????????????????

36
??????????????
  • ??????????????,??????????,???????????????,????????
    ???????,???????????,???????????????
  • ???????????????,???????????,??????????,??????????

37
(No Transcript)
38
????????????
  • ?????????,???????????????
  • ??????????????,????????,?????,?????????,??????????

39
(No Transcript)
40
??????.---1
  • ????????????? 1.???????????????????????,????
    ?,???????????????? 2.????????????????,?????????
    ????,?????

41
??????.---2
  • 3.????????????,??????????,?????????
    4.????????????,???????????????,???,????,???????,?
    ???,?????????????????,??????????(????)?

42
????????????
43
???????...
44
??
  • ???????????????????????????????(biologicalcatalyst
    ),????????????????????,????????????(??????????????
    )????
  • ??????????????(substrate)???????????????(activity)
    ???,??????????????

45
??????????
  • 1. ????-????
  • 2. ????-?????
  • 3. ????-?????
  • 4.????-????
  • ??????????????????????? ????????,??????????????

46
??
  • ????????,????????????????????,????????????,???????
    ?,?????????????????????????????,?????????????????
    ?????????
  • ????,???????????????,??????????,???????????????,??
    ??????,??????,??????

47
???????
  • ??????????????????????????????,???????????????????
    ???

48
???????????
  • ???????????????????,??????????????????,???????????
    ??,???????

49
Lactic acid Bacteria
  • Stable phase where pH has dropped to 4.5 or.
    lower
  • can be kept for long ...
  • Fermentation phase bacteria grow, using plant
    sugars. to produce lactic and acetic acid
  • Lactic acid bacteria are the primary group of
    organisms involved in sauerkraut fermentation.

50
Lactic acid bacteria
  • Lactic acid fermentation, initiated by lactic
    acid bacteria resident in the wine. ... The
    growth of malo-lactic bacteria also contributes
    to the taste of the wine.
  • Lactic acid bacteria associated with the spoilage
    of fish products.

51
Lactic acid bacteria
  • Lactic acid bacteria have been used to ferment or
    culture foods for at least 4000 years.
  • They are used in particular in fermented milk
    products from all over the world, including
    yoghurt, cheese, butter, buttermilk, kefir, wine,
    sauerkraut and koumiss.
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