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CCW4693

Millipore

YSG Medium in flasks

Solid medium for the detection and isolation of Alicyclobacillus, in fruit juices and other acidic food, suitable for microbiology

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Synonym(s):
YSGM, Yeast Starch Glucose Agar, Yeast-Starch-Glucose medium
UNSPSC Code:
41171607

Quality Level

200

form

solid

shelf life

18 mo. at 2‑14 °C (limited shelf life, expiry date on the label)

feature

ready-to-use

composition

agar, 15.0 g/L
glucose, 1.0 g/L
soluble starch, 2.0 g/L
yeast extract, 2.0 g/L

packaging

box of 10 bottles

storage condition

(Tightly closed)

parameter

200 mL filling volume

bottle volume

250 mL

color

pale yellow

pH

3.7±0.2 (25 °C)

application(s)

food and beverages
microbiology

suitability

Alicyclobacillus spp.

General description

Alicyclobacillus is a food-spoiling microorganism and requires an acidic environment to grow. YSG media supports the growth of all currently known species of Alicyclobacillus (A. acidocaldarius, A. acidoterrestris, A. cycloheptanicus, and A. hesperidium). The low pH value of the media, in combination with the high incubation temperature, inhibits the growth of contaminating microbiota. K Agar, when incubated at 45ºC, predominantly supports the growth of A. acidoterrestris and limits the growth of other species of the same genus. Therefore, K Agar is mainly used to detect A. acidoterrestris strains.

Application

M-YSG Broth is used for the detection and enrichment of Alicyclobacillus, in fruit juices and other acidic foods.

Components

  • 1 box with 10 bottles (250 mL)
  • Injectable cap: Plastic screw inner cap

Other Notes

Using syringe needles with a diameter greater than 0.8 mm is not recommended.

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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