Sentence examples for classes of constituents from inspiring English sources

Phytochemical investigations show that there are six important classes of constituents in Rhodiola rhizomes, including phenylpropanoids, phenylethanol derivatives, flavonoids, monoterpernes, triterpenes and phenolic acids [8 10].

Data from this study indicated that sequential wetland cells could enhance the treatment of complex mixtures like FOPW by establishing specific conditions in each wetland cell targeting removal of different classes of constituents.

The present phytochemical screening results revealed presence of major classes of constituents including tannins, alkaloids, flavonoids, terpenoids, glycosides and saponins as presented in Table 4.

Several studies showed that propolis from tropical regions contains a diversity of phenolics, such as prenylated cinnamic acid derivatives, flavonoids, polyprenylated benzophenones, and other classes of constituents [ 7, 18, 36].

Phytochemical investigations on the kernel, stem bark and leaves of Mangifera pajang have afforded several classes of constituents including aromatic esters, cycloartane and lupane triterpenes, a monoterpene, steroids and a flavonol glycoside.

The major biochemical constituents of Withania somnifera root are steroidal alkaloids and steroidal lactones in a class of constituents called withanolides [23], [24].

Proximate analyses demonstrate that "noncellulosic organics" are the major class of constituents 35-455%) in cotton dust.

This agrees with the findings of numerically lower nicotine-based yields for benzo[ a] pyrene, which is mostly determined as the only representative of this class of constituents, for American-blend versus Virginia-type market cigarettes (Table 8).

It should be considered that although the pooled analysis covers a list of 36 smoke constituents, which are considered representative of the major chemical classes of smoke constituents, it is only a small percentage of the number of approximately 5000 constituents currently known (Rodgman and Perfetti, 2009).

The classes of chemical constituents occurring in the aboveground portion of D. nipponica are presented in Table 1 and the structures are shown in Fig. 5.

They have been shown to react with all major classes of cellular constituents: lipids, proteins and nucleic acids.