This presentation is the property of its rightful owner.
Sponsored Links
1 / 26

الليبيدات LIPIDS PowerPoint PPT Presentation


  • 852 Views
  • Uploaded on
  • Presentation posted in: General

الليبيدات LIPIDS. تعريف الليبيدات. الليبيدات من المواد الغذائية الرئيسية التي يخزنها الجسم بكميات كبيرة ويعتمد عليها في الحصول على جزء كبير من الطاقة اللازمة للقيام بنشاطه الحيوي المتمثل في بناء الخلايا والحركة وغيرها .

Download Presentation

الليبيدات LIPIDS

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Lipids

LIPIDS


Lipids

.

9 .

(Ester linkage)OOC-

R-OH + HOOC-R R-OOC-R

.


Lipids

Ether Extract .

.

, , ( ) ( )


Lipids

  • 1- . 9 .

  • 2-

  • 3- .

  • 4-

  • 5-

  • 6- .

  • 7- ( ) .

  • 8-

  • 9-

  • 10-


Lipids

.


Lipids

:

.

1- Simple Lipids:

. :

- ( ) Oil & Fats : .

- Wax: ( ) ( ) . .


Lipids

2- Compound Lipids:

.

- Phospholipids :

( ) ( ).

- Glycolipids:

( ) .

- Lipoprotein :

.

- :

- :


Lipids

3- Derived Lipids:

. .

:

1- ( Steroids)

2- (Sterols )

3- (Bile Acids)

4- (Hormones )

5- (Carotenoids)


Lipids

.

:

1-

2- 3

:


Lipids

+ .

,

.


Lipids

.

.

:R-COOH

1-

2-

3-

4-


Lipids

  • :

  • CnH2n+1COOH

  • :

  • Butric:

  • CH3-CH2-CH2-COOH

  • Caproic

  • CH3-(CH2)4-COOH

  • Palmitic:

  • 16 CH3-(CH2)14-COOH

  • :Stearic

  • 18 CH3-(CH2)16-COOH


Lipids

  • 1- :

  • CnH2n-1COOH

  • C9 C10. :

  • ( )

  • CH3-(CH2)5-CH=CH-(CH2)7-COOH

  • CH3-(CH2)7-CH=CH-(CH2)7-COOH

  • 2- :

  • CnH2n-3COOH

  • ,

    C9 C10 C12 C13 .

  • CH3-(CH2)4-CH=CH-CH2-CH=CH-(CH2)7-COOH)


Lipids

-3 :

CnH2n--5COOH

CH3-CH2-CH=CH-CH2-CH=CH-CH2-CH=CH-(CH2)7-COOH)

-4 :

CnH2n--7COOH

(CH3(CH2)4CH=CHCH2CH=CHCH2CH=CHCH2CH=CH(CH2)3COOH).


Lipids

  • : .

  • - -

  • :

  • 1-

  • 2-

  • 3-

  • 4- .

  • 5-


Lipids

  • . IUPAC

  • .

  • ( ) e OIC- anoic))

  • octanoic) ) 8 octane) (octanoic).

  • () enoic) ) ( ) (octadecenoic acid) ) (18) : octadecenoic) ) oleic acid) .

  • =Octa

  • =Deca

  • =en ( )

  • =Oic


Lipids

  • ( (COOH

  • 1 2 () 3 ((() ( (CH3) ()

  • : ( C) (:) : : C18;1,9

  • : C18:1,9

  • C18:2 9,12

  • (CH3) C .

  • : W9 C18;1


Lipids

  • 1- Cis

  • -2 trans


Lipids

  • :

  • - .

  • - .

  • - .

  • 2 6 .

  • 6 .

  • () .

  • 4- :

  • .

  • ( ).

  • 5- .

  • 6- :

  • .


Lipids

  • 1-

  • ( - )

  • :

  • Saponification:

  • KOH NaOH ,


Lipids

  • :


Lipids

  • 2- ()

  • , , ( (Auto oxidation)

  • :

  • 1- :

  • 2- Rancidity

  • ,

  • :

  • 1- ( E )

  • 2-

  • 3-


Lipids

  • :

  • 1-

  • 2- A,C

  • :

  • 1- Lipase

  • 2-

  • 3-

  • 4-

  • 6- E


Lipids

3-

+

+ +3

()


Lipids

  • 4- :

  • R-CH=CH-COOH R-CH2-CH2-COOH

  • R-CH=CH-COOH R-CHCl-CHCl-COOH

    • -

    • -

H2

Ni

Cl2

Ni


Ii waxes

II- Waxes

  • ,

  • :


  • Login