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Glucono delta-lactone(CAS No.90-80-2 ) E575

Glucono delta-lactone(CAS No.90-80-2 ) E575

Product Details:

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Product Description

Name:  delta-Gluconolactone

Synonyms:  1,5-Gluconolactone; D-Glucono-1,5-lactone; D-Aldonolactone; D-Glucono-delta-lactone; Gluconic acid lactone; Gluconic lactone; Glucono delta-lactone; GDL

Molecular Formula:  C6H10O6

Molecular Weight:  178.14

CAS Number:  90-80-2

EINECS:  202-016-5

 

 Glucono delta-lactone is a lactone of D-gluconic acid. Pure GDL is a white odorless crystalline powder.

GDL is commonly found in honey, fruit juices, and wine. GDL is neutral, but hydrolyses in water to gluconic acid which is acidic, adding a tangy taste to foods, though it has roughly a third of the sourness of citric acid. Glucono delta-lactone is metabolized to glucose; one gram of GDL yields roughly the same amount of metabolic energy as one gram of sugar.

Upon addition to water, GDL is partially hydrolysed to gluconic acid, with the balance between the lactone form and the acid form established as a chemical equilibrium. The rate of hydrolysis of GDL is increased by heat and high pH. GDL may also be useful in controlling termites by weakening their immune system.

 

Specification

Product name

Glucono delta-lactone

Test Items

Specifications (FCCIV)

Appearance

Colorless crystals or powder

Identification

Accod with the test

Assay

99.0-100.5%

Reducing substances

0.5% Max

Heavy metals

20ppm Max

Arsenic

3ppm Max

Lead

10ppm Max

Calcium

0.30% Max

Chloride

0.02% Max

Sulfate

0.03% Max

 

 

Performance and usage: The product has fresh preservation and antiseptic actions. It can be used to processing bean products (such as, bean curd), meat products, juice beverage, yeast powder, etc. and can be used for the fresh preservation of fishes ad shrimps.

Package: Paper-plastic compounds bags, 25kgs net each.

Transportation: Handle with care in order to avoid damaging the package; protect them from sunshine or rain. This product is a non-dangerous product and can be transported as a common chemical product.

Storage: Keep in shaded, cool and air places. The shelf time is 2 years

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