Terpenes and isoprenoids: a wealth of compounds for global use

Tetali, Sarada D.

doi:10.1007/s00425-018-3056-x

Cited by 258 publications

(167 citation statements)

References 52 publications

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“…5 Pleasant aromas make terpenes and their mixtures essential in many commercial cleaning products, cosmetics, and perfumes. 6 In the area of fine chemicals, terpenes like myrcene were investigated as renewable alternatives to petrochemicals, 7 while Wu and Davis 8 revealed the bioconversion of algae biomass into terpenes for the production of high-energydensity aviation fuels. Due to their biodegradable character, terpenes are proposed as bio-derived alternatives to trichloroethane cleaning solvents.…”

Section: ■ Introductionmentioning

confidence: 99%

Greener Terpene–Terpene Eutectic Mixtures as Hydrophobic Solvents

Martins

Silva

Schaeffer

et al. 2019

ACS Sustainable Chem. Eng.

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Natural products can be the basis for the development of green solvents, relevant for the advancement of new, more sustainable processes and products. In this work, 10 binary mixtures constituted by terpenes are prepared and characterized. Their solid−liquid phase diagrams show that room-temperature solvents can be prepared from solid terpenes in a wide composition range. These diagrams are accurately described by the conductor-like screening model for real solvents, showing it to be a useful predictive tool for the design of novel natural solvents. At the eutectic point, these mixtures possess low viscosities, densities lower than water, and high boiling temperatures. The low water solubility in the eutectic solvents together with its negligible impact on the properties measured is a strong indicator of the hydrophobic character of these mixtures. The tunable character of these mixtures is demonstrated by studying the solvatochromic parameters in the entire concentration region, the properties of the final solvents being tuned by simply varying the mole fraction of the terpenes. The high potential of this tunable character is shown in the selective extraction of dyes from their aqueous solutions. This work is expected to devise new insights concerning these solvents as well as to boost their application in green industrial processes.

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Section: ■ Introductionmentioning

confidence: 99%

Greener Terpene–Terpene Eutectic Mixtures as Hydrophobic Solvents

Martins

Silva

Schaeffer

et al. 2019

ACS Sustainable Chem. Eng.

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“…Isoprenoids, also known as terpenoids, are the predominant constituents of EOs and derive from 5-carbon precursors (Figure 1a): isopentenyl pyrophosphate (IPP) and its isomer dimethylallyl pyrophosphate (DMAPP). Higher plants synthesise IPP and DMAPP via two independent pathways: the mevalonic acid (MVA) pathway in the cytosol, and the methylerythritol phosphate (MEP) pathway in the chloroplasts (organelles used for the photosynthesis) [16,17]. Prenyltransferase enzymes catalyse the condensation (head-to-tail) of one IPP molecule with one DMAPP molecule to yield geranyl diphosphate (GPP, C 10 ), which further condensates with another IPP molecule to form farnesyl diphosphate (FPP, C 15 ).…”

Section: Introductionmentioning

confidence: 99%

Electrospinning of Essential Oils

Mele

2020

Polymers

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The extensive and sometimes unregulated use of synthetic chemicals, such as drugs, preservatives, and pesticides, is posing big threats to global health, the environment, and food security. This has stimulated the research of new strategies to deal with bacterial infections in animals and humans and to eradicate pests. Plant extracts, particularly essential oils, have recently emerged as valid alternatives to synthetic drugs, due to their properties which include antibacterial, antifungal, anti-inflammatory, antioxidant, and insecticidal activity. This review discusses the current research on the use of electrospinning to encapsulate essential oils into polymeric nanofibres and achieve controlled release of these bioactive compounds, while protecting them from degradation. The works here analysed demonstrate that the electrospinning process is an effective strategy to preserve the properties of essential oils and create bioactive membranes for biomedical, pharmaceutical, and food packaging applications.

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“…With recent advancements in plant synthetic biology, implementation in crops of multigene isoprenoid metabolic pathways to develop biofuels and bioproducts at industrial scale is becoming attainable [200][201][202]. The wondrous diversity and structural richness of isoprenoid molecules from plants provide a plethora of potent and useful target compounds, especially for advanced biofuels and value-added bioproducts [152,[203][204][205][206]. In relation to bioenergy crops, several efforts have been made to elucidate the genetic components that influence terpene yields, as well as to develop biomass pretreatment methods for simultaneous extraction of both terpenes and fermentable sugars [207,208].…”

Section: Isoprenoid-derived Biofuels and Bioproductsmentioning

confidence: 99%

“…The global market value of flavors and fragrances will reach US $36.6 billion by 2024 with a CAGR of 4.3% (2019-2024) [242]. For industrial products, flavors and fragrances consist of essential oils (EO) in which isoprenoids are the principal components responsible for their characteristic scents [243][244][245], including monoterpenoids and sesquiterpenoids such as linalool, valencene, nootkatone, and santalol [204,246]. Because of the extensive applications of EO in fragrance, but also as insect repellents and antimicrobial agents, their global market value is expected to reach US $11.67 billion by 2022 [247].…”

Section: Isoprenoid-derived Flavors and Fragrancesmentioning

confidence: 99%

Strategies for the production of biochemicals in bioenergy crops

Lin

Eudes

2020

Biotechnol Biofuels

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Industrial crops are grown to produce goods for manufacturing. Rather than food and feed, they supply raw materials for making biofuels, pharmaceuticals, and specialty chemicals, as well as feedstocks for fabricating fiber, biopolymer, and construction materials. Therefore, such crops offer the potential to reduce our dependency on petrochemicals that currently serve as building blocks for manufacturing the majority of our industrial and consumer products. In this review, we are providing examples of metabolites synthesized in plants that can be used as bio-based platform chemicals for partial replacement of their petroleum-derived counterparts. Plant metabolic engineering approaches aiming at increasing the content of these metabolites in biomass are presented. In particular, we emphasize on recent advances in the manipulation of the shikimate and isoprenoid biosynthetic pathways, both of which being the source of multiple valuable compounds. Implementing and optimizing engineered metabolic pathways for accumulation of coproducts in bioenergy crops may represent a valuable option for enhancing the commercial value of biomass and attaining sustainable lignocellulosic biorefineries.

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Terpenes and isoprenoids: a wealth of compounds for global use

Cited by 258 publications

References 52 publications

Greener Terpene–Terpene Eutectic Mixtures as Hydrophobic Solvents

Greener Terpene–Terpene Eutectic Mixtures as Hydrophobic Solvents

Electrospinning of Essential Oils

Strategies for the production of biochemicals in bioenergy crops

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