... to Q/xysy05-2009,by fermentation method, corn is fermentated into alchohol vapors.After oxidization reaction, we ... octanol,pentaerythritol, paraldehyde and other important chemical raw material.GB 2760_2007 provides for the time being to allow ... of citrus, apples, butter and other type flavor.Specifications acetaldehyde in chemicalItemStandardColor(APHA)10maxAcetaldehyde,%99.0minAcidity(by CH3COOH),% ...