NIGER SEED OIL​ AGMARK

GRADE DESIGNATION

MOISTURE and insoluble impurities percent by weight (not more than)

Colour on   Lovibond   scale* in 1/4-inch cell expressed as Y ± 5 R (not deeper than)

Specific   gravity at 30C/30C

Refractive Index at 40C   

Saponification value

Iodine value    method

Unsaponifiable matter percent by weight (max.)

Acid value (maximum)

BELLIER’S TURBIDITY TEMP. (BY EVER’S ACETIC ACID METHOD) IN C 10

1

2

3

4

5

6

7

8

9

10

REFINED

0.10

8

0.917 TO 0.920

1.4665 TO 1.4691

189 TO 193

110 TO 135

0.8

0.5

25 TO 29

GRADE – I

0.25

15

0.917 TO 0.920

1.4665 TO 1.4691

189 TO 193

220 TO 135

1.0

5.0

25 TO 29

 

Description

  • Niger seed oil shall be obtained either by process of expression of clean and sound seeds of niger plant (Guizotia abyssinica) or by a process of solvent EXTRACTION OF GOOD QUALITY NIGERSEED oil cake or clean and sound seeds of Guizotia abyssinica. The oil shall be deacidified either with alkali and /or by physical refining and/or by miscella refining using permitted food grade solvents followed by bleaching earth and/or carbon and  deodorized with steam. No other chemical agent shall be used.
  • Niger seed oil shall be obtained by a process of expressing clean and sound seeds of Niger plants (Guizotia abyssinica) only. 

General Requirements 

  • The oil shall be clear and free from turbidity when a filtered sample is kept for 24 hrs. at 300C. The oil shall be free from rancidity, admixture of other oils or substances. The oil shall also be free from mineral oil, sediments, suspended matter, separated water, obnoxious odour, added colouring and flavouring substances. 
  • The oil may contain permitted anti-oxidants not exceeding in concentration as specified under pre- venation of Food Adulteration Rules, 1955. 
  • The oil shall be clear and free from rancidity, admixture of other oils or sub stances. The oil shall also be free from mineral oil, sediments, suspended matter, separated water, obnoxious odour, added colouring and flavouring substances. The oil may contain permitted anti-oxidants not exceeding in concentration as specified under Prevention of Food Adulteration Rules, 1955 
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