The Skin Protecting Effects of Ethanolic Extracts of Eggplant Peels

조유나,; 정희록,; 정지희,; 허호진,

doi:10.9721/kjfst.2012.44.1.094

Cited by 11 publications

(5 citation statements)

References 16 publications

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“…The leaf was the part of the plant with the highest inhibition (IC 50 689.5 µg/mL), while the root, stem, and fruit showed inhibition at concentrations above 2000 µg/mL ( Table 3 ). A study by Jo et al [ 83 ] reports an IC 50 of eggplant peel of approximately 1000 µg/mL, values with greater inhibitory activity of the radical concerning those found in this study in fruit (pulp and peel), comparable only to what was found in leaves. Moreover, in ten eggplant genotypes, Sharma et al [ 84 ] reported IC 50 values between 61.59 and 92.21 µg/mL.…”

Section: Resultssupporting

confidence: 52%

Metabolomic Analysis of Phytochemical Compounds from Agricultural Residues of Eggplant (Solanum melongena L.)

et al. 2022

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The eggplant is a fruit rich in natural products and produced worldwide. However, its cultivation generates a large amount of scarcely used agricultural residues with poor chemical characterization. This study aimed to identify and quantify the metabolome and determine the composition of select phytochemicals and the overall antioxidant capacity of various anatomical parts of the plant. The plant’s root, leaf, stem, and fruit were analyzed by quantitative mass spectrometry-based untargeted metabolomics and chemoinformatics, and phytochemicals were quantified by spectrophotometric analysis. Moreover, we determined the total antioxidant capacity of the distinct plant parts to infer a possible biological effect of the plant’s metabolites. Various secondary metabolites were identified as terpenes, phenolic compounds, alkaloids, and saponins, distributed throughout the plant. The leaf and fruit presented the highest concentration of phenolic compounds, flavonoids, anthocyanins, and alkaloids, accompanied by the highest antioxidant capacity. Although the stem and root showed the lowest abundance of secondary metabolites, they provided around 20% of such compounds compared with the leaf and fruit. Overall, our study improved the understanding of the eggplant metabolome and concluded that the plant is rich in secondary metabolites, some with antioxidant properties, and shows potential nutraceutical and biopharmaceutical applications.

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Section: Resultssupporting

confidence: 52%

Metabolomic Analysis of Phytochemical Compounds from Agricultural Residues of Eggplant (Solanum melongena L.)

et al. 2022

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“…Such antioxidant activity has been shown to inhibit melanin production (24). To evaluate the influence of experimental sample, we analyzed the total polyphenolic content of experimental extracts.…”

Section: Resultsmentioning

confidence: 99%

Skin whitening activity of supercritical fluid extract from spent coffee in B16F10 melanoma cell

Sung

Jung

Sin

et al. 2015

Food Sci Biotechnol

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In the present study, we evaluated the skin whitening effects of supercritical fluid extract (SFE) of the spent coffee (SC) on tyrosinase inhibition activity, melanin synthesis inhibition activity and DOPA staining. Hot water extracts from coffee bean (CB) and SC and drip extracts from CB were employed for control. Inhibitions of melanin activities of SFE (SC) at short processing time were significantly higher than other values under the same extract processing. In comparison, inhibition of melanin activities appeared at high pressure in CB. Tyrosinase inhibition activity of SFE (SC) extracted for 1 h at 150 bar was significantly higher than those of SFE (CB and SC) even of controls. According to the above results, SFE (SC) extracted for 2 h or less at 450 bar showed significantly high activities in the melanin synthesis inhibition and tyrosinase inhibition.

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“…The ultrasound-assisted extraction of anthocyanins was applied to several other fruits such as raspberries, mulberries, and grape seeds (Chen et al, 2007;Ghafoor et al, 2009). The importance of the eggplant peel extract derives from the fact that it is considered an important source of bioactive compounds (anthocyanins, phenolic compounds) and that these types of extracts can be used as natural antioxidants or as natural pigments for food products (Jo et al, 2012). In the current study, the eggplant peel extracts were obtained using the ultrasoundassisted extraction with three different solvents.…”

Section: Introductionmentioning

confidence: 99%

Extraction and characterization of bioactive compounds from eggplant peel using ultrasound – assisted extraction

Horincar¹,

Enachi²,

Stănciuc³

et al. 2019

Ann.UDJG.FoodTechnology

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This study followed the bioactive compounds extraction and the antioxidant potential of the eggplant peel, using three different solvents (ethanol, methanol and acetone). The successive extraction of total monomeric anthocyanin (TMA), total flavonoids (TFC), and total phenolic compounds (TPC) from eggplant peel was done by using an ultrasound -assisted extraction. The results showed that the highest bioactive compounds content was achieved for the methanol extract, which was characterized by 0.74 g D-3G/g d.w. of TMA, 5.48 g CE /g d.w. of TFC, 14.72 g GAE/g d.w. of TPC, compared to the ethanol and acetone extracts. Moreover, for the methanol extract, six anthocyanins were identified (delphinidin-3-rutinoside, delphinidin-3-glucoside, cyanidin-3-rutinoside, delphinidin-3rutinoside-5-glucoside, malvidin-3-rutinoside-5-glucoside and petunidin-3rutinoside), while for the ethanol extract, five anthocyanins were identified (all without malvidin-3-rutinoside-5-glucoside) and for the acetone extract only two anthocyanins were detected (delphinidin-3-rutinoside, delphinidin-3-glucoside). The antioxidant potential of the eggplant extracts was investigated by DPPH method. Results showed that the methanol extract had the highest antioxidant activity (51% inhibition of DPPH radical at a concentration 27.2 mM TE/g d.w.), followed by the ethanol and acetone extracts (39 % and 33% DPPH radical inhibition rate at a concentration 22.4 and 17.04 mM TE/g d.w., respectively). Ultrasound-assisted extraction is promising because the extracts rich in bioactive compounds can be obtained at low cost.

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The Skin Protecting Effects of Ethanolic Extracts of Eggplant Peels

Cited by 11 publications

References 16 publications

Metabolomic Analysis of Phytochemical Compounds from Agricultural Residues of Eggplant (Solanum melongena L.)

Metabolomic Analysis of Phytochemical Compounds from Agricultural Residues of Eggplant (Solanum melongena L.)

Skin whitening activity of supercritical fluid extract from spent coffee in B16F10 melanoma cell

Extraction and characterization of bioactive compounds from eggplant peel using ultrasound – assisted extraction

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