产品货号：ZZK-K-TSULPH

产品品名：亚硫酸盐总量检测试剂盒

英文品名：Total Sulphite Assay Kit

规格型号：80 assays (manual) / 800 assays (microplate) / 800 assays (auto-analyser)

AOAC Method 996.11 AACC Method 76-13.01 RACI Standard Method for themeasurement of total starch in cereal flours and food products. AACC andAOAC approved method. This kit now contains an improved α-amylase thatallows the amylase incubations to be performed at pH 5.0 (as well as pH 7.0).

INTRODUCTION:

Sulphur dioxide (SO2) is used widely as an additive in various forms,

most commonly as sulphites (or sulfites), in the wine, beverage

and food industries where it acts primarily as an antimicrobial and

antioxidant preservative.

During wine making, sulphites are used as an essential additive, usually

at post-malolactic fermentation, in the control of contamination

by Brettanomyces during aging and to also protect the wine against

detrimental “oxidative and enzymatic browning”. SO2 is only active

as an antimicrobial and antioxidant preservative in the unbound

“free” form. Given that SO2 becomes “inactive” when it binds the

colour pigments of wine, and with legal restrictions on SO2 levels in

wine, it has become valuable to wine producers to measure both the

Free SO2 (FSO2) and Total SO2 (TSO2). In addition to this, due to

the increased awareness of the adverse effects of sulphites and the

prevalence of sulphite intolerance in some individuals, sulphite levels

in foods and drinks are strictly regulated by various governing bodies

and therefore there is a requirement for accurate determination of

the level of sulphites in foods, beverages and wines.

This kit (K-TSULPH) is suitable for the specific measurement of

“Total Sulphite” in wines, beverages, foodstuffs and other materials.

KITS:

Kits suitable for performing 80 assays in manual format (or 800 assays

in auto-analyser format) are available from Megazyme. The kits

contain the full assay method plus:

Bottle 1: (2x) Total Sulphite Reagent 1 (40 mL)

Contains sodium azide (0.05 % w/v) as a preservative.

Stable for 大于 18 months at room temperature.

Bottle 2: (2x) Total Sulphite Reagent 2 (20 mL)

Contains sodium azide (0.05 % w/v) as a preservative.

Stable for 大于 18 months at room temperature.

Bottle 3: Sulphite Standard

Sodium Sulphite (5 g).

Stable for 大于 5 years at room temperature.

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文章号：=2301JP2301