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8.
Product Standard
9.
Quality inspection
(1) Preparation of hydroxylamine hydrochloride solution: Weigh 50 g of recrystallized hydroxylamine hydrochloride, dissolve it in 90 mL of water, and dilute to 1000 mL with aldehyde-free ethanol
.
Adjust the pH to 3.
(2) Measurement operation: accurately weigh 1.
5g sample into a -125mL conical flask
.
Add 30 mL of the above hydroxylamine hydrochloride solution, mix well and maintain at room temperature for 10 min
At the same time, a blank experiment with no sample is performed
.
The content of cinnamaldehyde is calculated as follows:
In the formula: V 1 —— KOH ethanol solution consumed when titrating the sample solution, mL;
V 2 ——KOH ethanol solution used in titration blank experiment, mL;
c——The molar concentration of potassium hydroxide ethanol solution, mol/L;
G——The mass of the sample, g
.
10.
Product use
It is mainly used for the preparation of daily flavors such as frangipani, lily of the valley, and roses.
It is also used for food flavors to give foods a cinnamon flavor.
In addition to condiments, cinnamon, sweet wine, etc.
, it is also used for apple, cherry and other fruit flavors
.
The maximum amount of cinnamaldehyde in food (mg/kg): 9 for refreshing drinks, 8 for ice creams, 700 for sweets, 180 for snacks, 5000 for chewing gum, 20 for seasonings, and 60 for meats
11.
Safety measures
(1) The raw material benzaldehyde used in production is low-toxic, has anesthetic effect on nerves, and irritates the skin.
It is a dangerous product with an explosive range (lower limit) of 1.
4%; raw material acetaldehyde is a flammable and toxic liquid, which is harmful to eyes, eyes, and skin .
Skin and respiratory organs are irritating, and the maximum allowable concentration in the air at the operation site is 0.
02%
.
Production equipment should be closed, and operators should wear protective gear
(2) Cinnamaldehyde is a food flavor permitted to be used in China's GB2760-1980 regulations
.
Toxicity: Rat Oral LD 50 of 2220mg / kg
(3) Packed in aluminum drum or tin drum, sealed and stored in a cool place