Actinomyces HiVeg™ Agar

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MV341
For the cultivation and maintenance of the anaerobic Actinomyces species.


Intended Use

Actinomyces HiVeg Agar / Broth is recommended for the cultivation and maintenance of the anaerobic Actinomyces species.

Composition

Ingredients MV341
Grams/Litre
MV233
Grams/Litre
HiVeg infusion 10.00 10.00
HiVeg hydrolysate No. 1 10.00 10.00
HiVeg hydrolysate 4.00 4.00
Yeast extract 5.00 5.00
Dextrose 5.00 5.00
L-Cysteine hydrochloride 1.00 1.00
Starch, soluble 1.00 1.00
Sodium chloride 5.00 5.00
Monopotassium phosphate 15.00 15.00
Ammonium sulphate 1.00 1.00
Magnesium sulphate 0.20 0.20
Calcium chloride 0.02 0.02
Agar 20.00 -
Final pH (at 25°C) 6.9 ± 0.2 7.2 ± 0.2

** Formula adjusted, standardized to suit performance parameters

Product Profile

Vegetable based (Code MV) Animal based (Code M)
MV341/MV233 M341/M233
HiVeg infusion Beef heart infusion
HiVeg hydrolysate Casein enzymic hydrolysate
HiVeg hydrolysate No. 1 Tryptose

Reconstitution

  • (MV341): 77.22 g/l
  • (MV233): 57.22 g/l

Quantity on preparation (500g)

  • (MV341): 6.47 L
  • (MV233): 8.73 L

pH (25°C)

  • (MV341): 6.9 ± 0.2
  • (MV233): 7.2 ± 0.2

Supplement

None

Sterilization

121°C / 15 minutes.

Storage

Dry Medium Below 30°C, Prepared Medium 2-8°C.

Directions

Suspend 77.22 grams of MV341 or 57.22 grams of MV233 in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. Distribute into tubes or flasks. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes.

Principle and Interpretation

Actinomyces HiVeg Agar / Broth is prepared by using vegetable based peptones instead of animal based peptones making the medium BSE/TSE risk free. These media are the modifications of Actinomyces Agar/Broth which was formulated as a maintenance medium by Pine and Watson (1). The broth medium was further modified and recommended for growing and maintaining members of the genus Actinomyces (2).

HiVeg infusion, HiVeg hydrolysate, yeast extract, starch, dextrose and L-Cysteine provide carbon, nitrogen, sulphur, vitamins and other growth factors. Metallic salts provides essential electrolytes and minerals.

Gelling

Firm, comparable with 2.0% Agar gel of MV341.

Colour and Clarity

Light amber coloured slightly opalescent gel with a slight precipitate forms in petri plates, clear solution with a slight precipitate in tubes.

Reaction

Reaction of 7.72% w/v aqueous solution of MV341 is pH 6.9 ± 0.2 at 25°C.

Reaction of 5.72% w/v aqueous solution of MV233 is pH 7.2 ± 0.2 at 25°C.

Cultural Response

Cultural characteristics observed after an incubation at 30°C for 18-48 hours.

Organisms (ATCC) Inoculum
(CFU)
Growth Recovery
Streptomyces achromogenes (12767) 102 good >50%
Streptomyces albus (3004) 102 good >50%
Streptomyces lavendulae (8664) 102 good >50%
Actinomyces israelii (10049) <103 luxuriant >70%
Actinomyces bovis (13683) <103 good >50%

Quality Control

Appearance of Powder

Light yellow coloured, may have slightly greenish tinge, homogeneous, free flowing powder.

More Information
Product Name Actinomyces HiVeg™ Agar
SKU MV341
Product Type HiVeg™
Physical Form Powder
Origin Animal Free (Veg)
Packaging type HDPE
References 1. Collee J. G., Fraser A. G., Marmion B. P., Simmons A., (Eds.), Mackie and McCartney, Practical Medical Microbiology,1996, 14th Edition, Churchill Livingstone.
2.Adams B. A., 1929, Water and Water Eng., 31:327.
3.Baird R.B., Eaton A.D., and Rice E.W., (Eds.), 2015, Standard Methods for the Examination of Water and Wastewater, 23rd ed., APHA, Washington, D.C.
4.Lechevalier H. A., 1975, Environ. Protection Technol. Ser., EPA-600/ 2-75-031, U. S. Environmental Protection Agency,Cincinnati, Ohio.
5.Lechevalier M. P., and Lechevalier H. A., 1974, Int. J. Syst.Bacteriol., 24:278.
6.Ajello L., Georg L. K., Kaplan W. and Kaufman L., 1963, CDC Lab Manual Med. Mycology, PHS Publication No. 994,CDC, Washington D.C.
7.Isenberg, H.D. Clinical Microbiology Procedures Handbook 2nd Edition.
8.Jorgensen, J.H., Pfaller, M.A., Carroll, K.C., Funke, G., Landry, M.L., Richter, S.S and Warnock., D.W. (2015) Manual of Clinical Microbiology, 11th Edition. Vol. 1.
9.Subba Rao N. S., 1977, Soil Microorganisms and Plant Growth, Oxford and IBH Publishing Co., New Delhi.
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