Food Grade Natamycin Powder for Preservative CAS 7681-93-8

Food Grade Natamycin Powder for Preservative CAS 7681-93-8

Ascorbic Acid is a water-soluble vitamin rich in fruits and vegetables.
CAS NO. 50-81-7

Product Introduction

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Ascorbic Acid


Ascorbic acid(Vitamin C) is a water-soluble vitamin rich in fruits and vegetables. It plays a regulatory role in the redox metabolism reaction, and lack of it can cause scurvy.

CAS NO. 50-81-7

ITEMS

SPECIFICATION

Characteristics

white or almost white crystals crystalline powder

Identification

positive reaction

Melting point

about 190 ℃

PH

2.1~2.6

Clarity of solution

clear

Colour of solution

BY7 max

Copper

5 ppm max

Heavy metals

10 ppm max

Mercury

<0.1 mg/kg

Lead

<2 mg/kg

Arsenic

3 ppm max

Cadmium (CD)

< 1 mg/kg

Oxalic acid

0.2% max

Iron

2 ppm max

Loss of drying

0.4% max

Sulphate ash (residue on igniton)

0.1% max

Specific optical rotation

+20.5°~+21.5°

Organic volatile impurities

pass

Assay

99.0%~100.5%


APPLICATIONS:

VC takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance .In addition to prevention of scurvy; it is often used as a supplement for treatment of acute or chronic infection diseases or purpura.Vitamin C is widely used in many fields such as food, beverage, breeding and forage additives.






PACKING:

Net weight 25kg cardboard cartons /drums lined with a layer of craft paper and two layers of plastic bags.


SHELF LIFE:

24months in unopened original packaging under the storage conditions.


STORAGE & TRANSPORATION:


Avoid sunlight, rain. Store in unbroken packaging at the cool, dry and well-ventilated place.

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