Odorous emissions from agricultural and waste management operations can cause annoyance to local populations. Volatile sulfur compounds (VSCs) are dominant odorants that are often lost during collection using sample bags. The degree of VSC losses depends on factors such as storage time, bag materials, temperature, sample relative humidity (RH), light exposure, and the presence of volatile organ...

The organic volatile flavor compounds in fermented stinky tofu (FST) were studied using SPME-GC/MS. A total of 39 volatile compounds were identified, including nine esters, seven alcohols, five alkenes, four sulfides, three heterocycles, three carboxylic acids, three ketones, two aldehydes, one phenol, one amine and one ether. These compounds were determined by MS, and conformed by comparison o...

Samples were collected and analyzed in a field study to characterize C2–C12 volatile organic compounds (VOCs) emitted at five swine facilities in Eastern North Carolina between April 2002 and February 2003. Two sites employed conventional lagoon and field spray technologies, while three sites utilized various alternative waste treatment technologies in an effort to substantially reduce gaseous ...

To study the key aroma components and flavor profile differences of Cheddar cheese with different maturity from countries, 25 imported commercial samples in China market were determined by gas chromatography-mass spectrometry. The quality quantity 40 compounds analyzed chromatography-olfactometry among 71 Combined odor activity value calculation, principal component analysis (PCA) was conducted...

Alk(en)yl sulfides are characteristic flavor components of garlic. Several lines of epidemiological study indicate that the risk of a certain cancer can be prevented by consumption of garlic. In this manuscript, we examined the anticancer property of garlic-derived alk(en)yl sulfides, and the molecular basis especially for diallyl trisulfide which is a major constituent of the garlic oil. Alk(e...

American Foulbrood (AFB) is a major endemic disease affecting the bee brood and absence of chemical therapeutic treatments leads beekeepers to develop alternative management plans, based mainly on prevention accurate diagnosis symptoms. One main symptoms unpleasant odor caused by rot dead larvae. In present comparative study, we analyzed profile larvae presence characteristic volatile compounds...