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澳新食品标准法典-1.3.4-鉴别及纯度(Identity and Purity)

   2013-07-24 771
核心提示:最新文本请详见 Standard1.3.4.pdf,已更新至2014.10.30PurposeThis Standard ensures that food additives, processing aids, n
最新文本请详见   Standard1.3.4.pdf,已更新至2014.10.30
 
Purpose
This Standard ensures that food additives, processing aids, novel food substances, vitamins and minerals and nutritive substances added to food in accordance with this Code meet appropriate specifications for identity and purity.  In general, these specifications are those used by the international community.
Table of Provisions
1             Application
2             Substances with specifications in primary sources
3             Substances with specifications in secondary sources
4             Additional and supplementary requirements
Schedule               Specifications of identity and purity for substances added to food where there are no references in the monographs specified in Standard 1.3.4
Clauses
1             Application
This Standard applies only to the following substances which are added to food in accordance with this Code, or sold for use in food –
(a)          food additives;
(b)          processing aids;
(c)          vitamins and minerals;
(d)          novel food substances; and
(e)          nutritive substances.
2             Substances with specifications in primary sources
A substance must comply with a relevant monograph published in one of the following –
(a)          the Schedule to this Standard; or
(b)          Combined Compendium of Food Additive Specifications, FAO JECFA Monograph 1 (2005) as superseded by specifications published in FAO JECFA Monographs 3 (2006) and FAO JECFA Monographs 4 (2007) and FAO JECFA Monographs 5 (2008) and FAO JECFA Monographs 7 (2009) and FAO JECFA Monographs 10 (2010) and FAO JECFA Monographs 11 (2011), Food and Agriculture Organisation of the United Nations. Rome; or
(c)          Food Chemicals Codex (8th Edition) published by Unites States Pharmacopoeia (2012).
3             Substances with specifications in secondary sources
If there is no monograph applying to a substance under clause 2, the substance must comply with a relevant monograph published in one of the following –
(a)          the British Pharmacopoeia 2010, TSO, Norwich (2010); or
(b)          the United States Pharmacopeia, 34th Revision and The National Formulary, 29th Edition (2010); or
(c)          the Pharmaceutical Codex, 12th Edition, Council of the Pharmaceutical Society of Great Britain.  The Pharmaceutical Press, London (1994); or
 
(d)          Martindale; The Complete Drug Reference. The Pharmaceutical Press London (2009); or
(e)          the European Pharmacopoeia 6th Edition, Council of Europe, Strasbourg (2007); or
(f)           the International Pharmacopoeia 4th Edition, World Health Organization, Geneva (2006 and 2008 supplement); or
(g)          the Merck Index, 14th Edition, (2006); or
(h)          the Code of Federal Regulations; or
(i)           the Specifications and Standards for Food Additives, 7th Edition (2000), Ministry of Health and Welfare (Japan); or
(j)           the International Oenological Codex (2010 supplementary edition), Organisation Internationale de la Vigne et du Vin (OIV).
4             Additional and supplementary requirements
Where no monograph applies to a substance by virtue of clauses 2 or 3, or where a monograph contains no specifications for identity and purity of a substance relating to arsenic or heavy metals, the substance must not contain on a dry weight basis more than –
(a)          2 mg/kg of lead;
(b)          1 mg/kg of arsenic;
(c)          1 mg/kg of cadmium;
(d)          1 mg/kg of mercury.

SCHEDULE
This Schedule contains specifications of identity and purity for substances added to food where there are no references in the monographs specified in this Standard.
Specification for high chromium yeast
Physical Tests
Appearance:                                        Fine, free-flowing powder
Colour:                                                  Light off-white or light tan
Odour:                                                   Slight yeast aroma
Particle size:                                        Min. 90% through a #100 USS screen
Chemical Tests
Moisture:                                              Maximum 6%
Chromium:                                          1.8 - 2.25 g/kg
Specification for high molybdenum yeast
Physical Tests
Appearance:                                        Fine, free-flowing powder
Colour:                                                  Light off-white or light tan
Odour:                                                   Slight yeast aroma
Particle size:                                        Min. 85% through a #100 USS screen
Chemical Tests
Moisture:                                              Maximum 6%
Molybdenum:                                      1.8 - 2.25 g/kg
Specification for oxidised polyethylene
Oxidised polyethylene (CAS 68441-17-8)# is the polymer produced by the mild air oxidation of polyethylene.
Average molecular weight               min 1200 (osmometric)
Viscosity at 125°C                              min 200cP
Oxygen content                                   max 9.1%
Acid value:                                           max 70 mgKOH/g
(ASTM D 1386)*
Drop point:                                           min 95° C
(ASTM D 566)*
Density (20°C)                                    0.93 - 1.05 g/cm3
(ASTM D 1298, D 1505)*
Extractable constituents (See note 1):
                   in water                              max. 1.5%
                   in 10% ethanol                 max 2.3%
                   in 3% acetic acid             max 1.8%
                   in n-pentane                     max 26.0%
# CAS is the Chemical Abstracts Service (CAS) Registry Number.
* ASTM refers to standard test methods prepared by the American Society for Testing and Materials.
Note 1:  Extraction of oxidised Polyethylene
25.0 g of finely ground oxidised polyethylene powder (particle size 300-1000 mm) are extracted for 5 hours in the Soxhlet apparatus with 350 mL of solvent.  The solvent is then distilled off and the distillation residue is dried in a vacuum oven at 80-90°C.  After weighing the obtained residue, the components soluble in the solvent are calculated in % weight (based on the initial weight used).

Specification for bromo-chloro-dimethylhydantoin
 
Bromo-chloro-dimethylhydantoin (CAS Number: 126-06-7)
Formula:                                               C5H6BrCIN2O2
Formula weight:                                  241.5
Chemical Properties
Appearance:                                        Solid or free flowing granules
Colour:                                                  White
Odour:                                                   Faint halogenous odour
Melting Point:                                      163-164ºC
Specific gravity:                                  1.8-2
Solubility in water:                              0.2 g/100 g at 25ºC
Stability:                                                Stable when dry and uncontaminated
Chemical Tests
Manufacturing process:                    Solid dimethylhydantoin (DMH) is dissolved in water with bromine and chlorine.  The reaction is 0.5 mole bromine and 1.5 mole chlorine for one mole DMH.  During the reaction the pH is kept basic by the addition of caustic soda.  The wet product is transferred to a drier where it is dried to a powder at low temperature.  The powder may then be tableted or granulated.
Assay
Procedure:                                           Various analytical methods exist for analysis, namely, GLC, HPLC, UV and NMR.  HPLC offers the best sensitivity.
Specifications for nucleotides
Description / Physical Constraints
Uridine – 5′ monophosphate disodium salt (UMP)
1.                Empirical chemical formula: C9 H11N2 O9PNa2
In addition the compound must be of the 5 species, ie the disodium monophosphate structure is attached to the fifth carbon in the central structure.
2.                Molecular weight: 368.15
3.                Structure/ Physical character: Occurs as a colourless or white crystal or as a white crystalline powder.  It is odourless and has a characteristic taste.
4.                Solubility: Freely soluble in water; very slightly soluble in alcohol.
Adenosine- 5′ monophosphate (AMP)
1.                Empirical chemical formula: C10H14N5O7P
In addition the compound must be of the 5 species, ie the monophosphate structure is attached to the fifth carbon in the central structure.
2.                Molecular weight: 347.22
3.                Structure/ Physical character: Occurs as a colourless or white crystal or as a white crystalline powder.  It is odourless and has a characteristic acidic taste.
4.                Solubility: Very slightly soluble in water; practically insoluble in alcohol.
Cytidine – 5′ monophosphate (CMP)
1.                Empirical chemical formula: C9H14N3O8
In addition the compound must be of the 5 species, ie the monophosphate structure is attached to the fifth carbon in the central structure.
2.                Molecular weight: 323.20
 
3.                Structure/Physical character: Occurs as a colourless or white crystal or as a white crystalline powder.  It is odourless and has a characteristic slightly acidic taste.
4.                Solubility: Very slightly soluble in water; practically insoluble in alcohol.
Testing Requirements for Nucleotides
1.                Physical inspection: white crystals or crystalline powder
2.                Identification:
(a)              Ultraviolet absorbance: a 1 in 12,500 solution of the powder in 0.01N hydrochloric acid exhibits an absorbance maximum at:
Absorbance
Nucleotide
250+- 2nm
Inosine - 5′ monophosphate disodium salt
260+- 2nm
Uridine - 5′ monophosphate disodium salt
257+- 2nm
Adenosine- 5′ monophosphate
280+- 2nm
Cytidine – 5′ monophosphate (CMP)
256+- 2nm
Guanosine – 5′ monophosphate disodium salt (GMP)
(b)              IMP, UMP and GMP must test positive for sodium phosphate
(c)              IMP,UMP,AMP, CMP and GMP must test positive for organic phosphate
3.                Assay (HPLC):
Optimum - not less than 96% (corrected for moisture content).
4.                IMP and GMP have a pH of a 1 in 20 solution: between 7.0 and 8.5
5.                Clarity and colour of solution:
500 mg/10 mL H2O for IMP: is colourless and shows only a trace of turbidity
100 mg/10 mL H2O for GMP: is colourless and shows only a trace of turbidity
 
6.                Moisture
Nucleotide
Moisture
Inosine – 5′ monophosphate disodium salt
Not more than 28.5%: Karl Fischer
Uridine – 5′ monophosphate disodium salt
Not more than 26.0%: Karl Fischer
Guanosine – 5′ monophosphate disodium salt (GMP)
Loss in drying
-  not more than 25%
   (4 hrs @ 120ºC)
Cytidine – 5′ monophosphate (CMP)
Not more than 6.0%: Loss in drying (4 hrs @ 120ºC)
Adenosine – 5′ monophosphate
Not more than 6.0%: Loss in drying (4 hrs @ 120ºC
7.                Impurities – all nucleotides
Impurity
Nucleotide
Amino acids: negative
IMP, GMP
Ammonium salts: negative
IMP, GMP
Arsenic: not more than 2 ppm
IMP, UMP, AMP, CMP, GMP
Heavy metals: not more than 10 ppm
IMP, UMP, AMP, CMP, GMP
8.                Related foreign substances:
For IMP: only 5′ - inosinic acid is detected by thin layer chromatography
For GMP: only 5′ - guanylic acid is detected by thin layer chromatography
 
9.                Bacteriological profile
(a)              SPC: not more than 1000/g, test per current FDA/BAM procedures
 
(b)              Coliforms: Negative by test; test per current FDA/BAM procedures
(c)              Yeast and mould: not more than 300/g, test per current FDA/BAM procedures
(d)              Salmonella: negative, test per current FDA/BAM procedures.
Specification for carboxymethyl cellulose ion exchange resin
(a)              This specification relates to regenerated cellulose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with carboxymethyl groups whereby the amount of epichlorohydrin plus propylene oxide is no more than 70% by weight of the starting quantity of cellulose.
(b)              The resins are limited to use in aqueous process streams for the isolation and purification of protein concentrates and isolates.  The pH range for the resins shall be no less than 2 and no more than 10, and the temperatures of water and food passing through the resin bed must be no more than 40°C.
(c)              When subjected to the extraction regime listed in the 21 CFR § 173.25(c)(4), but using dilute hydrochloric acid at pH2 in place of 5% acetic acid, the ion exchange resins shall result in no more than 25 ppm of organic extractives.
Specification for quaternary amine cellulose ion exchange resin
(a)              This specification relates to regenerated cellulose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with quaternary amine groups whereby the amount of epichlorohydrin plus propylene oxide is no more than 250% by weight of the starting quantity of cellulose.
(b)              The resins are limited to use in aqueous process streams for the isolation and purification of protein concentrates and isolates.  The pH range for the resins shall be no less than 2 and no more than 10, and the temperatures of water and food passing through the resin bed must be no more than 50°C.
(c)              When subjected to the extraction regime listed in the 21 CFR § 173.25(c)(4), but using dilute hydrochloric acid at pH2 in place of 5% acetic acid, the ion exchange resins shall result in no more than 25 ppm of organic extractives.
Specification for diethyl aminoethyl cellulose ion exchange resin
(a)              This specification relates to:
(i)               Regenerated cellulose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with tertiary amine groups whereby the amount of epichlorohydrin plus propylene oxide is no more than 70% by weight of the starting quantity of cellulose; and
(ii)              Regenerated cellulose, cross-linked and alkylated with epichlorohydrin then derivatised with tertiary amine groups whereby the amount of epichlorohydrin is no more than 10% by weight of the starting quantity of cellulose.
(b)              The resins are limited to use in aqueous process streams for the isolation and purification of protein concentrates and isolates.  The pH range for the resins shall be no less than 2 and no more than 10, and the temperatures of water and food passing through the resin bed must be no more than 50°C.
(c)              When subjected to the extraction regime listed in the 21 CFR § 173.25(c)(4), but using dilute hydrochloric acid at pH2 in place of 5% acetic acid, the ion exchange resins shall result in no more than 25 ppm of organic extractives.
Specification for dried marine micro-algae (Schizochytrium sp.) rich in docosahexaenoic acid (DHA)
Full chemical name for DHA
4,7,10,13,16,19-docosahexaenoic acid (22:6n-3 DHA)
Solids (%)
min. 95.0
DHA (%)
min. 15.0
Lead (mg/kg)
max. 0.5
Arsenic (mg/kg)
max. 0.5
 

 
Specification for oil derived from marine micro-algae (Schizochytrium sp.) rich in docosahexaenoic acid (DHA)
Full chemical name for DHA
4,7,10,13,16,19-docosahexaenoic acid (22:6n-3 DHA)
DHA (%)
min. 32
Trans fatty acids (%)
max. 2.0
Lead (mg/kg)
max. 0.1
Arsenic (mg/kg)
max. 0.1
Mercury (mg/kg)
max. 0.1
Hexane (mg/kg)
max. 0.3
Specification for oil derived from the algae Crypthecodinium cohnii rich in docosahexaenoic acid (DHA)
Full chemical name for DHA
4,7,10,13,16,19-docosahexaenoic acid (22:6n-3)
DHA (%)
min. 35
Trans fatty acids (%)
max. 2.0
Lead (mg/kg)
max. 0.1
Arsenic (mg/kg)
max. 0.1
Mercury (mg/kg)
max. 0.1
Hexane (mg/kg)
max. 0.3
Specification for oil derived from the fungus Mortierella alpina rich in arachidonic acid (ARA)
Full chemical name for ARA
5,8,11,14-eicosatetraenoic acid (20:4n-6 ARA)
ARA (%)
min. 35
Trans fatty acids (%)
max. 2.0
Lead (mg/kg)
max. 0.1
Arsenic (mg/kg)
max. 0.1
Mercury (mg/kg)
max. 0.1
Hexane (mg/kg)
max. 0.3
Specification for resistant maltodextrins
 
Chemical structure
Glucopyranose linked by α(1-4), α(1-6), a/b(1-2), and a/b(1-3) glucosidic bonds; and contains levoglucosan.
Dextrose equivalent
8-12
Appearance
Free-flowing fine powder
Colour
White
Taste/odour
Slightly sweet/odourless
Solution
Clear
pH (in 10% solution)
4-6
Moisture (%)
max. 5
Ash (%)
max. 0.2
Arsenic (ppm)
max. 1
Heavy metals (ppm)
max. 5
Microbiological
Standard plate count (cfu/g)
max. 300
Yeast and mould (cfu/g)
max. 100
Salmonella
Negative to test
Coliforms
Negative to test
Specification for oil derived from marine micro-algae (Ulkenia sp.) rich in docosahexaenoic acid (DHA)
Full chemical name for DHA
4,7,10,13,16,19-docosahexaenoic acid (22:6n-3 DHA)
DHA (%)
min. 32
Trans fatty acids (%)
max. 2.0
Lead (mg/kg)
max. 0.2
Arsenic (mg/kg)
max. 0.2
Mercury (mg/kg)
max. 0.2
Hexane (mg/kg)
max. 10
 

Specification for ice structuring protein type III HPLC 12 preparation
 
Ice structuring protein type III HPLC 12 preparation is a protein excreted from the fermentation of a genetically modified yeast (Saccharomyces cerevisiae) to which a synthetic gene encoding for the protein has been inserted into the yeast’s genome.
Assay
Not less than 5 g/L active ice structuring protein type III HPLC 12
pH
3.0+/-0.5
Ash
Not more than 2%
Appearance
Light brown aqueous preparation
Heavy metals
Not more than 2 mg/L
Microbial limits
 
Total microbial count
<3000 per g
Coliforms
<10 per g
Yeast and mould count
<100 per g
Listeria sp.
Absent in 25 g
Salmonella sp.
Absent in 25 g
Bacillus cereus
<100 per g
Specification for isomaltulose
Chemical name
6-O-α-D-glucopyranosyl-D-fructofuranose
Description
White or colourless, crystalline, sweet substance, faint isomaltulose specific odour
Isomaltulose (%)
Not less than 98% on a dry weight basis
Water
Other saccharides
Ash
Lead
Max. 6%
Max. 2% on a dry weight basis
Max. 0.01% on a dry weight basis
Max. 0.1 ppm on a dry weight basis
Specification for agarose ion exchange resin
(a)              This specification relates to agarose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with tertiary amine groups whereby the amount of epichlorohydrin plus propylene oxide does not exceed 250% by weight of the starting quantity of agarose.
(b)              The resins are limited to use in aqueous process streams for the removal of proteins and polyphenols from beer. The pH range for the resins shall be no less than 2 and no more than 5, and the temperatures of water and food passing through the resin bed shall not exceed 2˚C. pH and temperature restrictions do not apply to cleaning processes.
(c)              When subjected to the extraction regime listed in the 21 CFR § 173.25(c)(4), but using dilute hydrochloric acid at pH 2 in place of 5% acetic acid, the ion exchange resins shall result in no more than 25 ppm of organic extractives.
Specification for bentonite
Bentonite must comply with a monograph specification in clause 2 or clause 3 of this Standard, except that the pH determination for a bentonite dispersion must be no less than 4.5 and no more than 10.5.
Specification for phytosterols, phytostanols and their esters
(1)              Subject to subclauses (2) and (3), phytosterols, phytostanols and their esters must comply with a monograph specification in clause 2 or 3 of this Standard.
(2)              However, for a mixture which contains no less than 950 g/kg of phytosterol and phytostanols, the concentration of hexane, isopropanol, ethanol, methanol or methyl ethyl ketone either singly or in combination must be no more than 2 g/kg.
(3)              The total plant sterol equivalents content must contain no less than 95% des-methyl sterols.
Specification for tall oil phytosterol esters
Tall oil phytosterol esters are phytosterols derived from Tall Oil Pitch esterified with long-chain fatty acids derived from edible vegetable oils


Phytosterol Content
 
Phytosterol esters + free phytosterols
No less than 97%
Free Phytosterols after saponification       
No less than 59%
Free phytosterols
No more than 6%
Steradienes
No more than 0.3%
   
Sterol profile based on input sterols
 
Campesterol
No less than 4.0% and no more than 25.0%
Campestanol
No more than14.0%
B-sitosterol
No less than 36.0% and no more than 79.0%
B-sitostanol
No less than 6.0% and no more than 34%
Fatty acid methylester
No more than 0.5%
Moisture
No more than 0.1%
Solvents
No more than 50 mg/kg
Residue on ignition
No more than 0.1%
   
Heavy metals
 
Iron
No more than 1.0  mg/kg
Copper
No more than 0.5 mg/kg
Arsenic
No more than 3 mg/kg
Lead
No more than 0.1 mg/kg
 
 
Microbiological
 
Total aerobic count
No more than 10,000 cfu/g
Combined moulds and yeasts
No more than 100 cfu/g
Coliforms
Negative
E. coli
Negative
Salmonella
Negative
Specifications for Advantame
1.                Purity
Specification Parameter
Specification Value
Analytical Methodology
Assay
Not less than 97.0% and not more than 102.0% on anhydrous basis
High pressure liquid chromatography (HPLC)
Specific rotation [a] 20 D
Between -45° and -38°
Japanese Pharmacopeia
Advantame-acid
Not more than 1.0%
HPLC
Total other related substances
Not more than 1.5%
HPLC
Water
Not more than 5.0%
Karl Fischer coulometric titration
Residue on ignition
No more than 0.2%
Japanese Pharmacopeia
2.                Residual Solvents
Specification Parameter
Specification Value
Analytical Methodology
Methyl Acetate
No more than 500 mg/kg
Gas chromatography
Isopropyl Acetate
No more than 2000 mg/kg
Gas chromatography
Methanol
No more than 500 mg/kg
Gas chromatography
2-Propanol
No more than 500 mg/kg
Gas chromatography
Specification for dimethyl ether
Characteristic
Specification
Purity
Minimum of 99.8%
Methanol
Not greater than 200 mg/kg
 

 
Specification for dibromo-dimethylhydantoin
Dibromo-dimethylhydantoin (CAS Number 77-48-5)
 
Formula
C5H6Br2N2O2
Purity
 
Dibromo-dimethylhydantoin
No less than 97%
Sodium bromide
No more than 2%
Water
No more than 1%
Specification selenium-enriched yeast
Selenium-enriched yeasts are produced by culture in the presence of sodium selenite as a source of selenium. These yeasts contain selenium according to the following criteria –
Total selenium content
No more than 2.5 mg/kg of the dried form as marketed
   
Levels of organic selenium species (% total extracted selenium):
 
   Selenomethionine
No less than 60% and no more than 85%
   Other organic selenium compounds (including selenocysteine)
No more than 10%
Levels of inorganic selenium (% total extracted selenium)
No more than 1%
Specification for Listeria phage P100
Biological classification
 
Order
Caudovirales
Family
Myoviridae
Subfamily
Spounaviridae
Genus
Twort-like
Species
Listeria phage P100
GenBank Accession Number
DQ004855



 
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