(2)phenolic yellowing process had time-temperature equivalence,and the testing time and degree of yellowing could be controlled by test conditions;(3)pressure had little effect on the result,and sealing degree had obvious impact on the result,after the testing,a short time of placing sample had...
The criteria that is used to compare antioxidant capacity are based on radical scavenging tests, especially the extensively used DPPH and ABTS methods and on other common experimental values used to study food antioxidants, such as the Rancimat test or spectrophotometric data used to follow oxidation...
Accordingly, nanoencapsulation has improved the precision of bioactive delivery, high absorbance, and optimal results, nonetheless, still more clinical trials are being conducted to test the possible adverse effects of nanovehicles on body [8,9]. Moreover, there are nano-sized networks utilized for ...
Dynamic light scattering (DLS, Mastersizer 2000) was used to test the average particle size. The high-resolution local structure, selected area electron diffraction (SAED), and element mapping were got by a double spherical aberration-corrected transmission electron microscope (TEM, Spectra 300). N2...
ait is intended as a screening test which,in practice,has been found to significantly reduce the number of complaints of phenolic yellowing by enabling corrective action to be taken with materials which,after testing,exhibit yellowing. 正在翻译,请等待...[translate]...
the product ions of CQAs were different depending on the position where caffeic acid was acylated to quinic acid. Them/z191 ion was generated as the predominant ion for 1 or 5CQA, while them/z191, 179, and 135 ions were mainly detected for 3CQA. Also, the acylation of the 4-OH posit...
35 is sharp, indicating that the adhesive was solidified before the test, and we believe it presents the strongest value of hardened underwater adhesives ever reported. Due to the steric hinderance, both 4HMA and 5HMA had relatively low reactivity when copolymerized with styrene, and a higher...
The EC50 results for the ABTS test varied from 6.1 to 9.7 mg/mL, 21.2 to 53.1 μg/mL and 13.2 to 33.9 μg/mL, for pure honey, the MeOH extract and the EtOAc fraction, respectively. The lowest inhibition activity was observed in the pure honey (Table 2). The antioxidant activity (...
‘Method for Classification of the Surface Spread of Flame’) to give a UK Building Regulation Class 0 fire rating. Similarly, such a composite can confidently be expected to meet the Class I requirement of the ASTM E84 ‘tunnel test’, the French Ml and FI standards, the German BI ...
Quorum sensing (QS) is a cell density-dependent regulation of virulent bacterial gene expression by autoinducers that potentially pertains in the epidemic of bacterial virulence. This study was initially designed to evaluate the effect of 5 phenolic comp