GB 1886.127-2016 Translated English of Chinese Standard. GB1886.127-2016: National food safety standard - Food additives - Hawthorn nuclear smoked flavoring material I, II
https://www.chinesestandard.net, 14.10.2017 - 9 Seiten
This standard applies to the water-soluble hawthorn nuclear smoked flavoring material I and II which uses the hawthorn nuclear as the raw material AND is produced by such methods as dry distillation (anaerobic cracking), condensation, separation and other methods at the temperature of not more than 800 degree-Celcius.
2-butanone standard solution 2,6-dihydroquinone acid-potassium chloride buffer ADD 1 mL Analytical procedures blank control boric acid Boric acid-potassium chloride carbonyl compound content chemical indicators chloride buffer solution compound content expressed compounds to dilute curve of absorbance dense natural smoked draw the standard dry distillation equipment Spectrophotometer expressed as 2,6-dimethoxyphenol expressed in heptanal free of carbonyl GB/T ground conical flask guaiacol concentration Guaiacol standard solution hawthorn nuclear smoked Hawthorn nucleus hydrochloric acid hydroxide solution consumed Hydroxylamine hydrochloride solution Instruments and equipment measuring cylinder methanol free Method summary milligrams per milliliter milliliter mg/mL mL of 2-butanone mL of water mol/L potassium nuclear smoked flavoring nucleus smoked flavoring pH meter Phenol content expressed Physical and chemical PIPETTE potassium chloride potassium hydroxide solution Reagents and materials Relative molecular mass Sensory requirements smoked condensate smoked flavoring material Smoked sample solution standard curve TAKE 1 mL titration unless otherwise specified volume of potassium water to dilute