sterility
non-sterile
Quality Segment
form
powder
shelf life
limited shelf life, expiry date on the label
composition
agar, 15 g/L , beef extract, 5 g/L , casein enzymic hydrolysate, 10 g/L , L-cysteine hydrochloride, 0.3 g/L , dextrose, 20 g/L , papaic digest of soybean meal, 5 g/L , sodium chloride, 5 g/L , yeast extract, 5 g/L
manufacturer/tradename
NutriSelect® Plus
technique(s)
microbiological culture: suitable
final pH
6.1±0.2 (25 °C)
application(s)
bioburden testing
environmental
food and beverages, microbiology
suitability
nonselective and differential for Lactobacillus spp., nonselective and differential for Streptococcus spp.
Application
用于根据菌落形态、T.T.C. 还原和酪蛋白还原进行鉴别乳酸杆菌和链球菌的最优生长培养基。
Preparation Note
Suspend 65.3 g in 1 litre distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C and add the following sterile solutions previously kept warm at 50°C just prior to use; (1) 100 ml of 10% (w/v) aqueous solution of antibiotic free skim milk powder (Cat. No. No. 70166) sterilized at 121°C for 5 minutes.(2) 10 ml of TTC Solution (Cat. No. 17779). Mix well and pour into sterile petri plates.
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
存儲類別/等級
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)