sterility
non-sterile
Quality Segment
form
powder
shelf life
limited shelf life, expiry date on the label
composition
ammonium citrate, 2 g/L , bromocresol green, 0.04 g/L , captan, 0.004 g/L , dextrose, 20 g/L , dipotassium phosphate, 2 g/L , magnesium sulfate, 0.10 g/L , manganese sulfate, 0.05 g/L , 2-phenylethyl alcohol, 3 g/L , proteose peptone (vegetable), 10 g/L , sodium acetate, 5 g/L , yeast extract, 5 g/L
manufacturer/tradename
NutriSelect® Plus
technique(s)
microbiological culture: suitable
final pH
4.3±0.2 (25 °C)
application(s)
agriculture
bioburden testing
environmental
food and beverages, microbiology
suitability
selective by low pH for Bifidobacterium spp., selective by low pH for Lactobacillus spp.
Application
本品中的植物蛋白胨相当于动物蛋白胨。推荐用于乳酸菌的分离和培养。
Preparation Note
Suspend 47.2 g in 1000 ml distilled water containing 1 ml polysorbate 80 (TWEEN® 80; Sigma P8074). Boil to dissolve the medium completely and mix thoroughly. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. If necessary adjust the pH with glacial acetic acid after sterilization.
Other Notes
We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
Legal Information
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
TWEEN is a registered trademark of Croda International PLC
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type N95 (US)