Identification and quantification of essential oil content and composition, total polyphenols and antioxidant capacity of Perilla frutescens (L.) Britt

Ahmed, Hiwa M.; Tavaszi-Sárosi, Szilvia

doi:10.1016/j.foodchem.2018.09.155

Cited by 85 publications

(49 citation statements)

References 37 publications

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“…Many of the compounds identified in setubalense and murcott tangerines have been previously reported with a myriad of bioactivities. This includes antioxidant [ 17 , 18 , 19 , 20 ], anti-inflammatory [ 17 ], antidiabetic [ 19 , 21 ], antileishmanial [ 22 , 23 ], antimicrobial [ 19 , 22 , 24 , 25 ], cytotoxic [ 22 , 23 ], antitumor [ 26 ], and antiproliferative activities [ 27 , 28 ]. Furthermore, there are evidence pointing to other protective effects against Alzheimer’s [ 29 ] and tuberculosis [ 30 ].…”

Section: Resultsmentioning

confidence: 99%

Tangerines Cultivated on Madeira Island—A High Throughput Natural Source of Bioactive Compounds

Figueira

Porto-Figueira

Câmara

2020

Foods

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Tangerines (Citrus reticulata) are popular fruits worldwide, being rich in many bioactive metabolites. The setubalense variety cultivated on Madeira Island has an intense aroma easily distinguishable from other tangerines, being traditionally used to enrich several foods and beverages. Nonetheless, setubalense volatile composition has never been characterized, and we aimed to unveil the bioactive potential of peels and juices of setubalense tangerines and compare them with the murcott variety grown in Portugal mainland. Using headspace solid-phase microextraction coupled to gas chromatography mass spectrometry (HS-SPME/GC-MS), we identified a total of 128 volatile organic metabolites (VOMs) in the juice and peels, with d-limonene, γ-terpinene, β-myrcene, α- and β-pinene, o-cymene, and terpinolene, the most dominant in both cultivars. In contrast, setubalense juices are richer in terpenes, many of them associated with health protection. Discriminant analysis revealed a pool of VOMs, including β-caryophyllene and E-ocimene, with bioactive properties able to differentiate among tangerines according to variety and sample type (peel vs. juice). This is the first report on the volatile composition of setubalense tangerines grown on Madeira Island revealing that its pungent aroma is constituted by secondary metabolites with specific aroma notes and health properties. This is strong evidence of the higher nutraceutical value of such fruit for the human diet.

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Section: Resultsmentioning

confidence: 99%

Tangerines Cultivated on Madeira Island—A High Throughput Natural Source of Bioactive Compounds

Figueira

Porto-Figueira

Câmara

2020

Foods

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“…One of these species, Perilla frutescens, was also widely used in various tribal groups of the northeast India [33]. Moreover, Perilla frutescens oil is rich in natural compounds that could be developed as nutraceuticals and/or phytomedicine [34].…”

Section: Seed Oilsmentioning

confidence: 99%

Monpa, memory, and change: an ethnobotanical study of plant use in Mêdog County, South-east Tibet, China

Guo

Yang

et al. 2020

J Ethnobiology Ethnomedicine

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Background: Due to their relative isolation, the previous studies of Monpa plant use were only conducted in north-east India. In October 2013, Mêdog County was no longer remote, thanks to completion of a highway into the county. This study of plant species used by the Monpa had three research objectives. These were (i) to identify and record local names and uses of plants in Mêdog County, (ii) to assess which of these were uses of endemic or near-endemic species within this part of the Indo-Burma biodiversity hotspot, and (iii) to assess how plant uses reflect socio-economic change in Mêdog County? Methods: Field surveys were conducted in 12 villages of four townships in Mêdog County, Tibet, China. Two field visits were made. The first field trip was in November 2017 and the second field trip was in May 2018. We interviewed 64 key informants between 21 and 84 years old. Most of them were the village leaders and other local people who are knowledgeable about plants. After transect walks with knowledgeable local people, we used free listing, key informant interviews, and semi-structured interviews during the field work. Plants traditionally used by the Monpa were documented. Utilization frequency was used to assess the significance of each species, and the Cultural Importance index was used to estimate the cultural significance of the species in common. We also used the informant consensus factor (FIC) to determine the homogeneity of the informants' knowledge of medicinal plants.

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“…Purple perilla leaves are used as a preservative in pickled foodstuffs due to their strong antioxidant activity because of the presence of phenolic compounds, rosmarinic acid, essential oils, and vitamins. It is also a popular flavoring ingredient used for soups, stews, and roasts, and it is an edible species that is native to eastern Asian countries (Ahmed & Tavaszi‐Sarosi, 2019). Moreover, in traditional medicine, the leaves are used pharmaceutically to ease stomach disorders and induce sweating in several traditional Japanese medicinal formulations (Fujiwara, Kono, Ito, & Ito, 2018).…”

Section: Introductionmentioning

confidence: 99%

Influence of refining processes on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil

Pan

Wen

Luo

et al. 2020

Journal of Food Science

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The effect of chemical refining process on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil (PSO) were investigated. In this paper, seven samples corresponding to each step of the refining process (degumming, neutralization, bleaching, deodorization, winterization, crude, and refined oils) were studied. The results showed that phenolic compounds and tocopherols were removed from PSO to a degree of 19.4% and 5.4%, respectively. In addition, the carotenoid content of PSO decreased during the refining process. The main carotenoid of PSO was found to be lutein, and the compound was lost completely during the bleaching step of the refining process. In this paper, we analyzed the variation of carotenoid content in PSO during the refining process for the first time. Neutralization affected the contents of phytosterols the most, followed by the effects of degumming and bleaching. The demonstrated results of Pearson product-moment correlation indicated that total tocopherols were significantly correlated with the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and oxygen radical absorption capacity (ORAC) values, whereas carotenoids were significantly correlated with the DPPH value. However, phenolic compounds and phytosterols have no significant difference with DPPH, 2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, ORAC, and ferric reducing antioxidant power values. The collected information can be applied to seeking out optimum factors needed to suffice the fundamental requirements for PSO production and minimize micronutrient losses to enhance its market value.Practical Application: The present study aimed to determine influence of chemical refining in the bioactive composition of perilla seed oil (PSO) as well as its antioxidant capacity in vitro. Moreover, we also intend to find the correlation between them. Results indicated that this study supplies a good reference for the industrial parameters of the refining process to minimize micronutrient losses and further obtain high-quality PSO products for consumers.

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Identification and quantification of essential oil content and composition, total polyphenols and antioxidant capacity of Perilla frutescens (L.) Britt

Cited by 85 publications

References 37 publications

Tangerines Cultivated on Madeira Island—A High Throughput Natural Source of Bioactive Compounds

Tangerines Cultivated on Madeira Island—A High Throughput Natural Source of Bioactive Compounds

Monpa, memory, and change: an ethnobotanical study of plant use in Mêdog County, South-east Tibet, China

Influence of refining processes on the bioactive composition, in vitro antioxidant capacity, and their correlation of perilla seed oil

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