Comparative Chemical Analysis of<i>Mentha piperita</i>and<i>M. spicata</i>and a Fast Assessment of Commercial Peppermint Teas

Buleandră, Mihaela; Oprea, Eliza; Popa, Dana Elena; David, Iulia Gabriela; Moldovan, Zenovia; Mihai, Iuliana; Badea, Irinel Adriana

doi:10.1177/1934578x1601100433

Cited by 20 publications

(23 citation statements)

References 30 publications

(23 reference statements)

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“…In the current study, carvone (70.36 and 70.91% in native and Scotch spearmint EO, respectively) was the predominant compound followed by limonene (6.96 and 13.96%). Buleandra et al [31] also reported the same primary compounds in the EOs of peppermint and spearmint harvested in Romania, but the concentration of carvone in the spearmint EO was only 51.7%. Both peppermint and spearmint are temperate plants and require long days for deposition of EO constituents.…”

Section: Resultsmentioning

confidence: 93%

Chemical Composition and Antioxidant Properties of Essential Oils from Peppermint, Native Spearmint and Scotch Spearmint

Tan

Liu

et al. 2019

Molecules

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Natural antioxidants have drawn growing interest for use in animal feed and the food industry. In the current study, essential oils (EOs) obtained from hydrodistillation of three mentha species, including Mentha piperita (peppermint), Mentha spicata (native spearmint) and Mentha gracilis (Scotch spearmint), harvested in the Midwest region in the United States, were analyzed for their chemical composition using gas chromatography-mass spectrometry, and their antioxidant properties were assessed through chemical assays, in vitro cell culture modeling and in Caenorhabditis elegans (C. elegans). The activity of ferric iron reduction and free-radical scavenging capacity were assessed through chemical-based assays, including the reducing power assay, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay, and Trolox equivalent antioxidant capacity assay (TEAC). Subsequently, the capacity of EOs to mitigate lipid peroxidation was analyzed at various doses using fresh liver homogenates from pigs. A porcine jejunum epithelial cell line (IPEC-J2) was employed as in vitro model to study the cellular antioxidant activity of the mint EOs. Finally, the effectiveness of mint EOs to alleviate acute systemic oxidative damage were evaluated in vivo using C. elegans. Data were analyzed by the MIXED procedure of SAS. Contrast statement was performed to assess linear or quadratic effects of mint EOs given at various doses. All three EOs are mostly composed of monoterpenes and their derivatives (76–90%), but differed in the major compounds, which are menthol and menthone (50%) in peppermint EO and carvone (70%) in spearmint EOs. Three mint EOs demonstrated prominent radical scavenging and Fe3+ reducing activity in chemical-based assays. In comparison with native and Scotch spearmint EOs, peppermint EO had the lowest (p < 0.05) half maximal effective concentration (EC50) in DPPH and TEAC assays and higher efficacy in the reducing power assay. All three EOs exhibited equivalent activity in mitigation of chemical-induced lipid peroxidation in liver tissues in a dose-dependent manner (linear, p < 0.001). The maximal cellular antioxidant activity (CAA) was observed at 5 µg/mL for peppermint, and 100 µg/mL for native and Scotch spearmint EOs. The addition of 25 µg/mL of both spearmint EOs increased (p < 0.05) cellular concentrations of glutathione in H2O2-treated IPEC-J2 cells, suggesting enhanced endogenous antioxidant defense. Supplementation of 100 µg/mL of peppermint or Scotch spearmint EO significantly increased (p < 0.05) the survival rate of C. elegans in response to H2O2-induced oxidative stress. The protective effect is comparable to that of supplementation of 10 µg/mL of ascorbic acid. However native spearmint EO failed to reduce the death rate within the same supplementation dose (10–200 μg/mL).

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Section: Resultsmentioning

confidence: 93%

Chemical Composition and Antioxidant Properties of Essential Oils from Peppermint, Native Spearmint and Scotch Spearmint

Tan

Liu

et al. 2019

Molecules

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“…GC oven was programmed at an initial temperature of 60°C for 3 min. The temperature was increased up to 200°C at the rate of 10°C/min, kept constant for 2 min, and then increased up to 240°C at the rate of 12°C/min and held at 240°C for 2 min [ 21 ]. Both injector and detector temperatures were 250°C.…”

Section: Methodsmentioning

confidence: 99%

Studies on Chemical Composition and Antioxidant Activity of Rudbeckia triloba

Moldovan

Buleandră

Oprea

et al. 2017

Journal of Analytical Methods in Chemistry

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The paper describes the physicochemical studies made on the decorative plant, Rudbeckia triloba (Asteraceae). For this purpose, essential oil, infusion, decoction, and hydroalcoholic macerate obtained from different aerial parts of Rudbeckia triloba were analyzed. The main phytochemical constituents identified by GC-MS analysis were found to be α-pinene (in dried leaves (46.0%) and flowers (40.1%)) and β-phellandrene (in essential oil of dried inflorescences (26.09%)). The Folin–Ciocalteu and quercetin assays revealed different values of total phenolic and flavonoid contents of petals, leaves, and seeds as a function of the solvent used and extraction procedure. The hydroalcoholic macerate of petals was found to present the maximum phenolic and flavonoid contents (130.29 ± 5.58 mg gallic acid equivalent/g dry vegetable material and 30.72 ± 1.35 mg quercetin equivalent/g dry vegetable material, resp.) and also exhibits the lower value of EC50 (0.32% (v/v)), obtained by applying the DPPH· assay. Comparing the extraction methods applied, the maceration was found to be the most effective for phenolic compounds, most likely due to the solvent (70% ethanol). The use of water-alcohol mixture leads to an improvement of the extraction yield of phenolic compounds (including those with higher molecular weights) than by using water as extractive solvent, in the case of infusions and decocts.

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“…Menthol is a major constituent of EO in peppermint (Mentha piperita, 30-55%) and cornmint (Mentha arvensis, 70-90%), the latter representing a natural source for the production of menthol crystals and natural menthol flakes by simple freeze-crystallization [264,265]. Menthol is used in flavor and fragrance products for its cooling and refreshing sensation.…”

Section: Menthol (C 10 H 20 O Monoterpenoid)mentioning

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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Comparative Chemical Analysis ofMentha piperitaandM. spicataand a Fast Assessment of Commercial Peppermint Teas

Cited by 20 publications

References 30 publications

Chemical Composition and Antioxidant Properties of Essential Oils from Peppermint, Native Spearmint and Scotch Spearmint

Chemical Composition and Antioxidant Properties of Essential Oils from Peppermint, Native Spearmint and Scotch Spearmint

Studies on Chemical Composition and Antioxidant Activity of Rudbeckia triloba

Strategies for the production of biochemicals in bioenergy crops

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