Morphological characteristics, bioactive compounds content, and antioxidant activity of different accessions of African eggplant (Solanum anguivi Lam.)

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dc.contributor.authorNakitto, Aisha Musaazi Sebunya
dc.contributor.authorByaruhanga, Yusuf Byenkya
dc.contributor.authorWagner, Anika E.
dc.contributor.authorMuyonga, John H.
dc.date.accessioned2023-04-05T19:44:22Z
dc.date.available2023-04-05T19:44:22Z
dc.date.issued2021
dc.description.abstractAfrican eggplant (Solanum anguivi Lam.) fruits reportedly exhibit antidiabetic properties, possibly due to the presence of bioactive compounds. This study aimed to assess the bioactive compounds content (BCC) and antioxidant activity (AA) in the fruits of fourteen African eggplant accessions. The relationship between the fruit BCC and AA, and the plant (leaf, stem and fruit) morphological characteristics was determined. Morphological traits for the plant accessions were characterized based on existing Solanum species descriptors. Total phenolics, favonoids, saponins, vitamin C and AA were determined by spectrophotometry, while total alkaloids were detected by gravimetry. HPLC was used for the quantifcation of phenolic compounds. Morphological characteristics, BCC and AA differed among the accessions. The fruit’s accessions contained total phenolics (8.0-12.4 mg gallic acid equivalent/g dry weight (DW)), saponins (51.1-124.8 mg diosgenin equivalent/g DW), alkaloids (81.4-127.7 mg/g DW), vitamin C (3.6-6.4 mg ascorbic acid equivalent/g DW), and favonoids (0.9-2.1 mg quercetin equivalent (QE)/ g DW) and exhibited a high AA (1.2-4.6 mg QE/g DW). Amongst the quantifed phenolic compounds, chlorogenic acid (21.4-301.3 μg/ g DW) had the highest content. Cluster analyses showed that morphological characteristics might be useful to predict accessions with similar BCC and AA. Accessions with high total phenolics provided the highest AA, and, therefore, may mediate health benefts.en_US
dc.identifier.citationNakitto, A. M. S., Byaruhanga, Y. B., Wagner, A. E., & Muyonga, J. H. (2021). Morphological characteristics, bioactive compounds content, and antioxidant activity of different accessions of African eggplant (Solanum anguivi Lam.). J. Appl. Bot. Food Qual, 94, 220-228.DOI:10.5073/JABFQ.2021.094.027en_US
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/8432
dc.language.isoenen_US
dc.publisherJ. Appl. Bot. Food Qualen_US
dc.subjectSolanum anguivien_US
dc.subjectAntioxidant capacityen_US
dc.subjectBioactive compoundsen_US
dc.titleMorphological characteristics, bioactive compounds content, and antioxidant activity of different accessions of African eggplant (Solanum anguivi Lam.)en_US
dc.typeArticleen_US
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