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Merck
CN

CCW4693

YSG Medium in flasks

bottle capacity 250 mL, filling volume 200 mL, closure type, Injectable cap: Plastic screw inner cap, box of 10, for Alicyclobacillus spp.

Synonym(s):

YSGM, Yeast Starch Glucose Agar, Yeast-Starch-Glucose medium

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About This Item

UNSPSC Code:
41171607
NACRES:
NA.75
Bottle capacity:
250 mL
Feature:
closure type Injectable cap: Plastic screw inner cap, ready-to-use
Ph:
3.7±0.2 (25 °C)

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description

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

form

solid

shelf life

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

feature

closure type Injectable cap: Plastic screw inner cap, 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

storage condition

(Tightly closed)

bottle capacity

250 mL

filling volume

200 mL

color

pale yellow

pH

3.7±0.2 (25 °C)

Quality Level

200

application(s)

food and beverages
microbiology

suitability

Alicyclobacillus spp.

Related Categories

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.

Other Notes

  • 1 box with 10 bottles (250 mL)
  • Injectable cap: Plastic screw inner cap
Using syringe needles with a diameter greater than 0.8 mm is not recommended.

Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
118030

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