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Microbiological Media
APPLETON WOODS
Media Ingredients and Additives BD Difco
Meat Peptones
Meat peptones are proteins from animal sources which have been hydrolysed to provide nitrogen for microorganisms.
They can be tailored to the specific nutritive needs of microorganisms by controlling the quality and origin of the
protein, the quality and source of the enzyme used in the digest, and also the methods used for hydrolysis.
CODE ALT. CODE PRODUCT DESCRIPTION PACK PRICE
DS040 256120 Porcine Brain Heart Infusion 500g 102.40
DM095 237500 Brain Heart Infusion 500g 92.99
DS857 211681 Neopeptone Peptone, BACTO Enzymatic digest of protein 500g 93.71
DS846 211677 Peptone, BACTO Enzymatic digest of protein 500g 58.35
DM854 211684 Proteose Peptone, BACTO Enzymatic digest of protein for bacterial fermentation 500g 82.62
DM855 212120 Proteose Peptone No.2, BACTO 500g 108.21
DM856 211693 Proteose Peptone No.3, BACTO Modification of proteose peptone – 500g 76.87
superior for fastidious microorganisms
DS866 211713 Tryptose Enzymatic hydrolysate of protein 500g 83.37
BD DIFCO PRODUCTS FOR MICROBIOLOGY
This is a small selection from the extensive range of
microbiology products available from Becton
Dickinson under the Difco brand
FOR AVAILABILTY AND PRICING ON OTHER
PRODUCTS PLEASE CONTACT
THE SALES OFFICE
Casein Peptones
Casein peptones are made from an insoluble precipitate from acidified milk. Hydrolysed caseins are made either by acid
hydrolysis or enzymatic hydrolysis depending on the required molecular weights.
CODE ALT. CODE PRODUCT DESCRIPTION PACK PRICE
DS837 223040 Casamino Acids, BACTO Acid hydrolysate of casein – excellent supplement for 500g 88.05
formulations where nitrogen requirements are minimal
DM450 225930 Casitone, BACTO Pancreatic digest of casein 500g 66.53
MN649 211705 Tryptone Peptone, BACTO Pancreatic digest of casein – absence of detectable 500g 50.47
levels of carbohydrtae
DS863 211699 Tryptone Peptone, BACTO 2kg 207.94
DS864 211701 Tryptone Peptone, BACTO 10kg 952.25
Alternative Protein Source Peptones
The need for non-animal derived products has increased due to concerns about BSE/TSE and their link to animal derived
products. In response BD have developed a broad offering of Soy Peptones, Yeast Extracts and Animal Free Media.
SOY PEPTONES
Soy Peptones are manufactured in the more
traditional manner. The BD Difco Soy Peptones
are all enzymatic digests of soy flour, which is
rich in high quality protein, carbohydrates,
calcium and B vitamins. The enzymes used in
the digestion are from animal free sources.
YEAST EXTRACTS
Yeast Extract is a water soluble, peptone-like
derivative of yeast cells. BD Yeast Extract is an
autolysate of baker’s yeast, and is used as an
inexpensive source of vitamins, carbohydrates
and micronutrients.
SELECT APS MEDIA
The Select APS media line is manufactured
from non-animal origin ingredients. These APS
media are nutrient-rich formulations designed
to outperform classical meat based
formulations.
Select APS Super Broth is a molecular
genetic medium which will grow E.coli to a
high cell density. There is no glucose thus
preventing acetate build-up in the
fermentation of the organism.
Select APS LB Broth is an excellent all
purpose growth medium for the propagation
and maintenance of E.coli in molecular
biology procedures.
CODE ALT. CODE DESCRIPTION PACK PRICE
DM941 211906 Phytone Peptone 454g 52.55
DM942 212488 Select Soytone 500g 46.51
DM883 243620 Soytone, BACTO* 500g 61.11
DM884 243610 Soytone, BACTO* 10kg 1,149.00
DM832 212750 Yeast Extract, BACTO 500g 66.84
DM834 212720 Yeast Extract, BACTO 2kg 259.74
MP236 288620 Yeast Extract, Technical 500g 66.84
DM833 212730 Yeast Extract, BACTO 10kg 1,198.00
DM859 239230 Yeast Morphology Agar 500g 207.29
DM873 239210 Yeast Nitrogen Base 100g 44.40
MP131 291940 Yeast Nitrogen Base (w/o Amino Acids) 100g 73.67
DM862 291920 Yeast Nitrogen Base (w/o Amino Acids) 2kg 1,261.31
DM876 233520 Yeast Nitrogen Base (w/o AA & AS) 100g 71.36
DM952 212485 Select APS Super Broth 500g 81.41
DM954 292438 Select APS LB Broth Base 500g 46.66
* Bacto Soytone uses an enzyme from an animal source
See also...
Full range of Petri Dishes
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