What are Phenylpropanoid glycosides?

Phenylpropanoid glycosides (PPGs) are natural compounds present in several medicinal plants that have high antioxidant power and diverse biological activities.

What do phenylpropanoids do?

Phenylpropanoids are found throughout the plant kingdom, where they serve as essential components of a number of structural polymers, provide protection from ultraviolet light, defend against herbivores and pathogens, and mediate plant-pollinator interactions as floral pigments and scent compounds.

Which of the following is the Phenylpropanoids class of chemical compound?

Phenylpropanoids can be categorized into five different groups, which include flavonoids, lignins, phenolic acids, stilbenes, and coumarins. Flavonoids, lignins and phenolic acids are commonly present in most land plants and have essential activity in their primary functions.

Is lignin a phenylpropanoid?

Lignin is an aromatic heteropolymer synthesized through the complex phenylpropanoid metabolism. The phenylpropanoid pathway begins with the deamination of L-phenylalanine into cinnamic acid by the phenylalanine ammonia lyase (PAL) enzyme.

What are the primary chemical structural elements of a phenylpropanoid?

The phenylpropanoids are a family of organic compounds with an aromatic ring and a three-carbon propene tail, and are synthesized by plants from the amino acids phenylalanine and tyrosine (Zhang and Stephanopoulos, 2016).

Is Cinnamaldehyde a phenylpropanoid?

Both cinnamaldehyde and eugenol belong to phenylpropanoid class of phytochemicals. Cinnamaldehyde bears an aldehyde group on benzene ring via three carbon chain while eugenol has one hydroxy and one methoxy group which are directly attached to the ring (Fig. 1).

Is vanillin a phenylpropanoid?

Vanillin biosynthesis is generally agreed to be part of the phenylpropanoid pathway starting with L-phenylalanine, which is deaminated by phenylalanine ammonia lyase (PAL) to form t-cinnamic acid.

Is flavonoid a phenylpropanoid?

The flavonoids are phenylpropanoids and are represented by tens of thousands of naturally occurring compounds. For the purpose of flower color manipulation, the most important part of the flavonoid biosynthesis pathway is that leading to the biosynthesis of colored anthocyanin pigments, and this is shown in Figure 1.

What are the two amino acid precursors to phenylpropanoid compounds?

Is eugenol a Phenylpropanoid?

Both cinnamaldehyde and eugenol belong to phenylpropanoid class of phytochemicals.

Is flavonoid a Phenylpropanoid?

Are coumarins Phenylpropanoids?

Phenylpropanoids are a large class of plant secondary metabolites derived from aromatic amino acids phenylalanine in most plants or tyrosine in partial monocots. It mainly includes flavonoids, monolignols, phenolic acids, stilbenes, and coumarins.