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Chinese Standard of the Olive oils and olive-pomace oils (003)

Oliveoillife.com 2010-07-09 10:17:18 Font Size:[Big][Medium][Small]

4  Classification

4.1        Olive oil

Olive oil includes:

a) Virgin olive oil, which is divided into:

              1) extra virgin olive oil

              2) medium-grade virgin olive oil

              3) lampante virgin olive oil

       b) Refined olive oil

            c) Blended olive oil

 

4.2              Olive-pomace oil    

Olive-pomace oil includes   

a) Crude olive-pomace oil    

b) Refined olive-pomace oil

c) Blended olive-pomace oil

 

5 Quality requirements

5.1Characteristic Indices

5.1.1 The composition of fatty acids is shown in Table 1.

Table 1 Composition of fatty acids in olive oil and olive-pomace oil

Name

 

Content (%)

Myristic acid (C14: 0)

0.05

Palmitic acid (C16: 0)

 

7.5 ~ 20.0

Palmitoleic acid (C16: 1)

 

0.3 ~ 3.5

Heptadecanoic acid (C17: 0)

0.3

Heptadecene acid (C17: 1)

0.3

Stearic acid (C18: 0)

 

0.5 ~ 5.0

Oleic acid (C18: 1)

 

55.0 ~ 83.0

Linoleic acid (C18: 2)

 

3.5 ~ 21.0

Linolenic acid (C18: 3)

1.0

Arachidic acid (C20: 0)

0.6

Eicosenoic acid (C20: 1)

0.4

Behenic acid (C22: 0)

0.2a

Tetracosanoic acid (C24: 0)

0.2

a: Olive-pomace oil 0.3

 

 

 

 

5.1.2 Trans fatty acid content is shown in Table 2.

 

Table 2 Content of trans fatty acids

Type of trans fatty acid

Virgin olive oil

Refined olive oil

Olive-pomace oil

C18:1 T

0.05

0.20

0.40

C18:2 T + C18:3 T

0.05

0.30

0.35

 

5.1.3 Unsaponifiable matter content is shown in Table 3.

 

Table 3 Unsaponifiable matter content in olive oil and olive-pomace oil

Type of product

 

Unsaponifiable matter content (g/kg)

Olive oil

15

Olive-pomace oil

30

 

 

More information about Chinese Standard of the Olive oils, please click:. 01, 02, 03, 04, 05, 06, 07, 08, 09

 

 

 

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