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)

Titer (0C (not less than)

 

Flash Point by Pensky Martens (closed cup) (method in 0C not less than)

 

1

2

3

4

5

6

7

8

9

10

11

REFINED

0.10

10

0.862 TO 0.875

1.4590 TO 1.4610

187 TO 196

58 TO 70

2.0

103 TO 128

1.5

0.5

 

Description

  • Mahua oil shall be obtained by expression of clean and sound kernals of either Madhuca indica S.F. Gmelina, syn. Madhuca latifoliate or Madhuca longifolia or a mixture of both.
  • the oils shall be refined by oils, sediments, suspended matter, neutralization with alkali and/or by mineral oil, separated water and added physical refining, bleaching with         colouring and flavouring substances and bleaching earth and/or activated carbon and deodorized with steam. No other chemical agent shall be used.

General Requirements

  • The oil shall be clear and free from turbidity when a filtered sample is kept  at 500C for 24 hours. The oil shall be free from rancidity, adulterants, foreign substances, other obnoxious odour. The oil may contain  permitted anti-oxidants not exceeding in concentration as specified under Prevention of Food Adulteration Rules 1955.