What kind of molecule is lycopene?

Lycopene: Chemistry, Metabolism, and Bioavailability. Lycopene is a lipophilic red-colored carotenoid pigment, composed of eight isoprene units (octaprene) joined by regular head to tail bindings, except in the middle of the molecule where the binding is tail to tail, giving rise to a symmetric structure (Fig. 1).

What is the empirical formula for lycopene?

Having a chemical formula of C40H56, lycopene is a tetraterpene assembled from eight isoprene units that are solely composed of carbon and hydrogen.

What type of hydrocarbon is lycopene?

unsaturated hydrocarbons
Lycopene, also known as pro lycopene or lyc O mato, belongs to the class of organic compounds known as carotenes. These are a type of unsaturated hydrocarbons containing eight consecutive isoprene units.

What is the Iupac name of lycopene from tomatoes?

Lycopene

Names
Preferred IUPAC name (6E,8E,10E,12E,14E,16E,18E,20E,22E,24E,26E)-2,6,10,14,19,23,27,31-Octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,24,26,30-tridecaene
Other names ψ,ψ-Carotene
Identifiers
CAS Number	502-65-8

What is lycopene structure?

C40H56Lycopene / Formula

Lycopene is a naturally occuring red carotenoid pigment that is responsible in red to pink colors seen in tomatoes, pink grapefruit, and other foods. Having a chemical formula of C40H56, lycopene is a tetraterpene assembled from eight isoprene units that are solely composed of carbon and hydrogen.

How many double bonds are in the lycopene structure?

Lycopene is an unsaturated acyclic hydrocarbon. It contains 13 double bonds, of which 11 are conjugated.

How is lycopene formed?

Lycopene occurs naturally as all trans form and its chain containing seven double bonds that can be isomerized to mono-cis or poly-cis due to the exposure to high temperatures, light, oxygen, acids, catalyst and metal ions [23].

How many conjugated double bonds does lycopene have?

Lycopene is an unsaturated acyclic carotenoid with 11 linear conjugated and two non-conjugated double bonds.

What is lycopene PDF?

Lycopene is. a red pigment which can be found in fresh fruits like tomato, rosehips, watermelon, autumn olive and in their processed. products. Type of variety and several environmental factors have major influences on the lycopene contents of fruits.

How many pi bonds are present in lycopene?

Identify all isolated and conjugated pi bonds in lycopene, the red-colored compound in tomatoes. How many pi electrons are contained in the conjugated pi system? Solution: There are 11 conjugated pi bonds for a total of 22 pi electrons and 2 isolated pi bonds.

Is lycopene conjugated?

What is the nature of lycopene?

Lycopene is a red pigment that occurs naturally in certain fruits, vegetables, algae, and fungi. It belongs to a large group of pigments known as carotenoids, however, it has no provitamin A activity. Tomatoes and tomato-based products are the major sources of natural lycopene in the human diet.

How many pi bonds are conjugated?

To be considered conjugated, two or more pi bonds must be separated by only one single bond – in other words, there cannot be an intervening sp3-hybridized carbon, because this would break up the overlapping system of parallel p orbitals.

What is lycopene in organic chemistry?

Lycopene (LYC), a natural compound responsible for the red color of some fruits like pink grapefruit, red guava, watermelon, papaya and, mainly, present in tomatoes (Solanum lycopersicum).

What is conjugated pi?

In a conjugated pi-system, electrons are able to capture certain photons as the electrons resonate along a certain distance of p-orbitals – similar to how a radio antenna detects photons along its length. Typically, the more conjugated (longer) the pi-system is, the longer the wavelength of photon can be captured.

How many electrons are in a conjugated pi system?

Note that one of the oxygen lone pairs participates in conjugation in a p orbital, while the other lone pair is in an sp2 hybridized orbital in the plane of the molecule and not part of the π system. The participation of six electrons in the π system makes furan aromatic (see below).