Product name: Gluconolactone
Assay: 99%min
Synonym(s): Glucono delta-lactone, D-(+)-Gluconic acid δ-lactone, δ-Gluconolactone, 1,2,3,4,5-Pentahydroxycaproic acid δ-lactone, D-(+)-Dextronic acid δ-lactone
Formula: C6H10O6
CAS Number: 90-80-2
Molecular Weight: 178.14
EC Number: 202-016-5
Physical and chemical properties: Glucono delta-lactone, also known as GDL or gluconic acid lactone, is a food additive primarily used in food processing. It is a white to light yellow powder or crystalline powder, almost odorless, with a slightly sweet taste, and is easily soluble in water. Glucono delta-lactone is widely used in the food industry for the production of products such as tofu, yogurt, and cheese.
Product applications:
Glucono delta-lactone is made by oxidizing glucose to gluconic acid or its salts, then purifying and decolorizing it into concentrated crystals. It is a multifunctional food additive.
Its main uses are:
First, it can be used as a coagulant for tofu, serving as a protein coagulant to produce tofu with a pure white and delicate texture, without the bitter taste associated with brine or gypsum, and without protein loss; it is convenient to use.
Second, it can be used as a gelling agent for dairy products in the production of yogurt or cheese.
Third, it can be used as a quality improver in luncheon meat and canned minced pork; it can enhance the effect of colorants while reducing the amount of toxic nitrites.
Fourth, it can be used as an acidifier and can be added to vanilla extract, chocolate, banana flavoring or jelly.
Specification and execution standards:
Food grade: GB 7657
| Test Items | Standards |
| Sensory test | Colorless or white
dry loose grain or crystalline powder |
| Assay/% | ≥99.0 |
| Loss on drying/% | ≤1.0 |
| Reducing substance/% | ≤0.5 |
| Sulfate/% | ≤0.03 |
| Chloride/% | ≤0.02 |
| Total arsenic(As)/(mg/kg) | ≤3.0 |
| Lead(Pb)/(mg/kg) | ≤2.0 |
Storage period:
24 months
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