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Thai
Industrial Standard TIS 203-2520(1977) Standard for
Coconut Oil
Date of Establishment: 27 October
1978
Date of Public Notice in the Government Gazette: 13
December 1978
In the event of any doubt
or misunderstanding arising from this translation, the
standard in Thai
will be held to be authoritative.
1.
Scope
1.1 This standard specifies types, requirements, food
additives, hygiene, weights and measures, containers,
labelling, sampling and analyses of coconut oil.
2. Definitions
For the purpose of this standard, the following definitions
apply:
2.1 COCONUT OIL: Oil obtained from the kernel of the
coconut (Cocos nucifera Linn.) by a process of expression
or solvent extraction.
2.2 EDIBLE COCONUT OIL: Coconut oil which is edible
or used in food industry.
2.3 INDUSTRIAL COCONUT OIL: Coconut oil which is not
edible.
2.4 VIRGIN COCONUT OIL: Edible coconut oil obtained
by mechanical processes or application of heat only,
which may have been purified by washing, setting, filtering
or centrifuging only.
2.5 PROCESSED COCONUT OIL (or REFINED COCONUT OIL):
Edible coconut oil which has been refined by neutralization
with alkali, bleached with bleaching earth and/or activated
carbon, no other chemical agents being used and which
may or may not be deodorized.
3. Types
Coconut oil is classified into 2 types as follows
3.1 Edible coconut oil
3.1.1 Refined coconut
oil
3.1.2 Virgin coconut
oil
3.2 Industrial coconut oil
4. Requirements
4.1 Coconut oil, when left standing at 30°C for 24 hours,
shall be clear and free from precipitate, and be of
the colour and flavour characteristic of coconut oil
free from rancid and other foreign odour and taste.
The requirements of each type of coconut oil are as
given in Table 1.
|
1.
|
Relative
density at 30/30°C |
0.915
to 0.927
|
0.915
to 0.927
|
0.915
to 0.927
|
|
2.
|
Refractive
index at nD 40°C |
1.448
to 1.450
|
1.448
to 1.450
|
1.448
to 1.450
|
|
3.
|
Saponification
value,mg KOH/g |
248 to
264
|
248 to
264
|
248 to
264
|
|
4.
|
Iodine
value Wijs |
7 to 11
|
7 to 11
|
7 to 11
|
|
5.
|
Unsaponifiable
matter,not more than g/kg |
5
|
8
|
10
|
|
6.
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Acid
value, not more than mg KOH/g |
0.6
|
4
|
10
|
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7.
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Peroxide
value, milliequivalents peroxide oxygen/kg |
3
|
3
|
5
|
|
8.
|
Water
and volatile matter at 105°C,max, % m/m |
0.2
|
0.2
|
0.5
|
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9.
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Insoluble
impurities, max, % m/m |
0.05
|
0.05
|
0.5
|
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10.
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Soap
content, max, % m/m |
0.005
|
0.005
|
-
|
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11.
|
Iron,
max, mg/kg |
1.5
|
5
|
-
|
|
12.
|
Arsenic,
max, mg/kg |
0.1
|
0.1
|
-
|
|
13.
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Copper,
max, mg/kg |
0.1
|
0.4
|
-
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14.
|
Lead,
max, mg/kg |
0.1
|
0.1
|
-
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