Sentence examples for principal compounds present from inspiring English sources
Tectoridin and iristectorigenin A were the principal compounds present in the methanolic extract of Iris spuria.
The principal compounds present in MTA are tricalcium silicate, tricalcium aluminate, tricalcium oxide and silicate oxide [ 2].
Finally, even Iacopini et al. [27] who evaluated the biological properties of old Italian apple cultivars, support that the antioxidant activity of various parts of apples was positively correlated with total polyphenolic concentration and with the concentration of the principal phenolic compounds present in apple extracts such as the anthocyanins always more present in the peel than in the pulp.
Quality control studies have shown that both alcoholic fractions of the leaves (AFLs), and alcoholic fractions of the roots (AFRs) present alkaloids as their principal compounds, being warifteine the chemical marker of both AFL and AFR [ 15].
Due to the big quantity of chemical compounds present in the essential oils from D. brasiliensis, the PCA technique (Principal Component Analysis) was chosen to check the similarity between the essential oils from the fresh leaves (FF), dry leaves (FS) and fresh branches (G) in two altitude levels, regarding the proportions of their chemical constituents.
In addition to the previous analysis, a PCA was also performed for the compounds present in the PCM dataset (Additional file 3: Figure S2), where the first two principal components explained 51.77% of the variance.
Monoterpene hydrocarbons were also present in good amount (10.5%), being camphene (3.6%) and β-pinene (3.0%) the principal compounds.
The fighting was raging in the mountains near the Shindand airport, one of Mr. Khan's principal compounds.
Any organic compounds present condense onto the tags and are detected by a laser.
"We were simply looking at the effect of boiling on compounds present in potatoes.
Once determined, the principal compounds may be used as markers for identifying damaged or infested plants.
