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Merck
CN

CCW4113

Millipore

YSG Medium

tube capacity 20 mL, tube filling volume 20 mL, ready-to-use, box of 20 tubes, for Alicyclobacillus spp.

Synonym(s):

YSG Medium, tubes | 20 mL, Yeast-Starch-Glucose medium

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About This Item

UNSPSC Code:
12352106
NACRES:
NA.74

Key Documents

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form

solid

Quality Level

200

shelf life

12 mo. at 8‑25 °C

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 20 tubes

storage condition

(Tightly closed)

tube capacity

20 mL

tube filling volume

20 mL

color

pale yellow

pH

3.7±0.2 (25 °C)

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

  • Box of 20 tubes
  • 17x145 mm glass tubes, ink labeled
  • Metal-non injectable cap

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

动植物来源培养基
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Certificates of Analysis (COA)

Lot/Batch Number
116771
117696
118013

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