Principle: Peptone provide nitrogen, vitamins and growth factors; sodium chloride to maintain osmotic equilibrium; lactose into fermentable sugars.
Formulation（per liter）:
Pancreatic Digest of Gelatin
20 g
Lactose Monohydrate
10g
Dehydrated Ox Bile
5g
Bromocresol Purple
10mg
final pH
7.3±0.2
How to use： 1.Suspend 35g in 1 L of distilled water , stirring heated to boiling until completely dissolved, dispensing flask, 121 ℃ autoclave for 15min. 2.Diluted and treated samples.
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
Specifications: 250g/bottle
Other Products
N-(alcohol-PEG2)-N-bis(PEG2-propargyl)
Product Info
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Product Info
N-(alcohol-PEG2)-N-bis(PEG2-propargyl) has a hydroxyl group and two propargyl groups. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The propargyl groups can participate in copper catalyzed azide-alkyne Click Chemistry.
Document
N-(alcohol-PEG2)-N-bis(PEG2-propargyl) has a hydroxyl group and two propargyl groups. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The propargyl groups can participate in copper catalyzed azide-alkyne Click Chemistry.
Short term stability: 2-8oC, Long term stability: See individual component labels
Stability:
> 2 years under recommended storage conditions
Analyte:
D-Lactic Acid
Assay Format:
Spectrophotometer, Microplate, Auto-analyser
Detection Method:
Absorbance
Wavelength (nm):
340
Signal Response:
Increase
Linear Range:
0.5 to 30 μg of D-lactic acid per assay
Limit of Detection:
0.21 mg/L
Reaction Time (min):
~ 5 min
Application examples:
Wine, soft drinks, milk, dairy products (e.g. cream, milk / whey powder, cheese, condensed milk and yogurt), foods containing milk (e.g. dietetic foods, bakery products, baby food, chocolate, sweets and ice-cream), vinegar, fruit and vegetables, processed fruit and vegetables, meat products, food additives, paper (and cardboard), cosmetics, pharmaceuticals and other materials (e.g. biological cultures, samples, etc.).
Method recognition:
Methods based on this principle have been accepted by DIN, GOST, IDF, EEC, EN, ISO, OIV, IFU, AIJN and MEBAK
The D-Lactic Acid (D-Lactate) (Rapid) test kit is suitable for the rapid, specific measurement and analysis of D-lactic acid in wine, beer, juice, milk, cheese, vinegar, meat and other food products.
Note for Content: The number of manual tests per kit can be doubled if all volumes are halved. This can be readily accommodated using the MegaQuantTM Wave Spectrophotometer (D-MQWAVE).
Extended cofactors stability. Dissolved cofactors stable for > 1 year at 4oC.
Very rapid reaction with most samples (~ 5 min)
Very competitive price (cost per test)
All reagents stable for > 2 years after preparation
Mega-Calc™ software tool is available from our website for hassle-free raw data processing
Standard included
Suitable for manual, microplate and auto-analyser formats
Document
The D-Lactic Acid (D-Lactate) (Rapid) test kit is suitable for the rapid, specific measurement and analysis of D-lactic acid in wine, beer, juice, milk, cheese, vinegar, meat and other food products.
