MALT EXTRACT (BACTERIOLOGICAL GRADE)

Description

SR. No	Test Parameter		Specification	Reference
1.0	Description		A fine Free flowing highly hygroscopic spray dried powder.	In-house
2.0	Colour		Yellowish brown to light brown coloured powder.	In-house
3.0	Solubility		Completely Soluble in water.	In-house
4.0	Appearance of solution (2%w/v) before autoclaving		Solution is clear and yellowish brown.	In-house
5.0	Appearance of solution (2%w/v) after autoclaving		Solution is clear and yellowish brown.	In-house
6.0	pH of 2% solution		4.50 – 7.00	In-house
7.0	Phosphate buffer test Single and double strength		Solution is clear and yellowish brown without any precipitate.	In-house
8.0	Loss on drying (105⁰C)		NMT 10.00 % w/w.	In-house
9.0	Total protein content		NLT 3.00 %w/w.	In-house
10.0	Residue on Ignition		NMT 5.00 %w/w.	In-house
11.0	Microbial Content		Test passes.	In-house
12.0	Total aerobic microbial count		Not more than 5000 CFU /gm.	In-house
13.0	Total combined yeast and mould count		Not more than 500 CFU /gm.	In-house
14.0	Pathogen			In-house
14.1	E. coli.		To be absent.	In-house
14.2	S. typhi		To be absent.	In-house
14.3	S. aureus		To be absent.	In-house
14.4	P. aeruginosa		To be absent.	In-house
15.0	Growth promotion test			In-house
	Test organism	ATCC No.	Expected Result	–
15.1	Candida albicans	10231	Good	In-house
15.2	Saccharomyces crevisiae	9763	Good	In-house
15.3	Aspergillus niger	16404	Good	In-house

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