产品货号：ZZK-K-XYLOSE

产品品名：D-木糖检测试剂盒

英文品名：D-Xylose Assay Kit

规格型号：100 assays (manual) / 1000 assays (microplate) / 1300 assays (auto-analyser)

Novel method for the specific, convenient and rapid assay of D-xylosein plant extracts, culture media/supernatants and other materials.

Suitable for manual, auto-analyser and microplate formats.

INTRODUCTION:

In nature, D-xylose occurs mainly in the polysaccharide form as xylan,

arabinoxylan, glucuronoarabinoxylan, xyloglucan and xylogalacturonan.

Mixed linkage D-xylans are also found in certain seaweed species and a

similar polysaccharide is thought to make up the backbone of psyllium

gum. Free D-xylose is found in guava, pears, blackberries, loganberries,

raspberries, aloe vera gel, kelp, echinacea, boswellia, broccoli, spinach,

eggplant, peas, green beans, okra, cabbage and corn. In humans, D-xylose

is used in an absorption test to help diagnose problems that prevent the

small intestine from absorbing nutrients, vitamins and minerals in food.

D-Xylose is normally easily absorbed by the intestine. When problems

with absorption occur, D-xylose is not absorbed and blood and urine

levels are low. A D-xylose test can help to determine the cause of a

child’s failure to gain weight, especially when the child seems to be eating

enough food. If in a polysaccharide, the ratio of D-xylose to other sugars

etc. is known, then the amount of the polysaccharide can be quantitated

from this knowledge plus the determined concentration of D-xylose in

an acid hydrolysate. Xylans are a major portion of the polysaccharides

that could potentially be hydrolysed to fermentable sugar for biofuel

production.

KITS:

Kits suitable for performing 100 assays in manual format (or 1300

assays in auto-analyser format or 1000 assays in microplate format) are

available from Megazyme. The kits contain the full assay method plus:

Bottle 1: Buffer (45 mL, pH 7.5) plus sodium azide (0.02% w/v)

as a preservative.

Stable for 大于 2 years at 4°C.

Bottle 2: (x2) NAD+ plus ATP.

Freeze dried powder.

Stable for 大于 5 years at -20°C.

Bottle 3: Hexokinase suspension (2.2 mL).

Stable for 大于 2 years at 4°C.

Bottle 4: XDH/XMR solution (5.6 mL).

Stable for 大于 2 years at -20°C.

Bottle 5: D-Xylose standard solution (5 mL, 0.25 mg/mL).

Stable for 大于 2 years at 4°C.

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