OFS Agar and SSL Broth

Reliable detection of beverage-spoiling microorganisms

Yeasts, in particular fermentable yeasts, moulds, lactic and acetic acid bacteria, are among the most common product-spoiling microorganisms in non-alcoholic beverages such as soft drinks, beverages containing fruit juice, tea drinks etc., but also in acidic mixes with beer, wine or milk.

OFS Agar (orange serum agar) is a ready-to-use agar medium for the quantitative detection of mesophilic and acidophilic microorganisms in beverages (pH values < 4.3) or rinse waters. Instead of powders, Döhler uses real orange juice concentrate to achieve the ideal nutrient composition for fast growth. In addition to the low pH value of 5.0, the citrus essences and oils contained in the medium inhibit irrelevant accompanying flora.

SSL Broth was developed by Döhler as a ready-to-use liquid medium. It can be used for the partially selective pre-enrichment of large sample volumes or samples which cannot be filtered using a membrane, thereby enabling even trace amounts of contamination to be detected.

The combination of pre-enrichment using SSL and a subsequent pour plate with OFS is one of the most reliable methods with the highest degree of safety when it comes to analysing microbiologically sensitive beverages and raw materials, such as fruit juice concentrates and preparations (e.g. osmophilic yeasts).

Benefits of product

Application benefits

- Ready-to-use agar media - Selective enrichment
- Functional testing as per ISO 11133 - Flexible use
- Natural raw materials - Total bacterial count in approx. 3 days

Order information

Product

Article no.

Packaging

OFS Agar2.04707.7829 x 250 ml in glass bottles
SSL Broth2.04712.7829 x 250 ml in glass bottles

Further product recommendations

Please contact the following distributors or Döhler directly.

CountryNameAdressEmailPhone
ChinaShanghai Sunny Biological Science
and Technology Co.Ltd

Room 1706, No.1619 Dalian road,
Hongkou District,
Shanghai

 

info@shennei.com+86 021 65190298 8016
SingaporeAvantor SEA

18 Gul Drive
Singapore 629468

 

tharachaya.woraraktiwongs@avantorinc.com+66 95 5626963
MongoliaMonbiopharm Co. Ltd.

Sukhbaatar district, 6th khoroo,
Baga toiruu, Sambuu street, Building 6-200,
14201 Ulaanbaatar

 

info@monbiopharm.mn+976 11 330234
BrazilProzyn Indústria e Comércio Ltda

Rua Dr. Paulo Leite de Oliveira, 199
São Paulo/SP

 

flavio.melo@prozyn.com.br+55 11 3732 0000
BrazilMerse

R. Domingos Cazotti, 284
Jd. Santa Genebra - Campinas/SP 

 

valkiria@merse.com.br+55 193733 3800
USAWeber Scientific

2732 Kuser Road
Hamilton, NJ, 08691

 

swilson@weberscientific.com+1 609 249 1408
USAWhite Labs

9495 Candida St
San Diego, CA 92126

 

nparker@whitelabs.com+1 858 527 7358
USABSG

9650 East 40th Ave
Denver, CO 80238

 

rnelson@bsgcraftbrewing.com+1 303 574 8955
CanadaProSource Scientific

5370 Canotek Road Unit 11
Ottawa
Ontario K1J 9E7

 

duane@psscientific.com+1 866 939 9959
FranceLaboratories Humeau

ZA Gesvrine - 4 rue Kepler BP 4125
44241 La Chapelle-sur-Erdre Cedex

 

m.minier@humeau.com+33 2 40 93 53 53
FranceBrewpark sas

Rue des Colinettes
ZI Mardeuil, 51530 Mardeuil

 

michael.gelender@brewpark.com+33 3 26 55 82 89
ItalySacco S.r.l.

Via A. Manzoni 29/A
22071 Cadorago

 

p.berardinetti@saccosrl.it+39 031 8866607
LatviaSnapTest.LV SIA

Valmieras iela 31B
Rīga, LV-1009

 

gints@snaptest.lv+371 26 53 47 45
United KingdomTrafalgar Scientific Ltd

190 Waterside Rd, Leicester LE5 1QZ

 

asmith@trafalgarscientific.co.uk +44 116 287 9460
NetherlandsSBI Europe

Kraaiondonk 44
5428 NZ Venhorst
The Netherlands

 

pvanrooij@sbi4beer.com+31 413 783 880
all European countriesVWR International

Hilpertstraße 20a
64295 Darmstadt
Germany

 

info.de@vwr.com+49 800 702 00 07
all other countriesDöhler GmbH

Riedstraße 7-9
64295 Darmstadt
Germany

 

dmd@doehler.com+49 (0)6151 3060
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