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EVALUATION OF THE CHEMICAL COMPOSITION, ANTIOXIDANT CAPACITY, AND ANTIBACTERIAL ACTIVITY OF ESSENTIAL OIL FROM MANDARIN PEELS (CITRUS RETICULATA L.) GROWN IN DONG THAP PROVINCE, VIETNAM

EVALUATION OF THE CHEMICAL COMPOSITION, ANTIOXIDANT CAPACITY, AND ANTIBACTERIAL ACTIVITY OF ESSENTIAL OIL FROM MANDARIN PEELS (CITRUS RETICULATA L.) GROWN IN DONG THAP PROVINCE, VIETNAM

Abstract

Citrus reticulata L. essential oil (CrEO) is widely used in food technology, cosmetics, and pharmaceuticals due to its distinct aroma and bioactive properties. In this study, Citrus reticulata L. was collected in Dong Thap province, Vietnam and its peel essential oil was extracted through distillation. Several physicochemical properties of the oil were analyzed, including acid, saponification, and ester values, as well as relative and absolute density, freezing point, and fragrance retention. The results showed that CrEO exhibited an acid value of 0.748 mg KOH/g, a saponification value of 67.320 mg KOH/g, and an ester value of 66.572 mg KOH/g, with fragrance retention lasting over 33 h. The chemical composition of CrEO was determined by gas chromatography-mass spectrometry (GC-MS), and the results revealed six main components namely α-Pinene (0.93 %), β-Pinene (0.61 %), β-Myrcene (1.88 %), D-Limonene (96.09 %), Linalool (0.16 %), and α-Terpineol (0.33 %), which are monoterpenes. Furthermore, the study showed the weak antioxidant capacity of oil and strong antibacterial activities against pathogenic bacteria were determined using the paper disc diffusion method.

Ефірна олія Citrus reticulata L. була зібрана в провінції Донгтхап, В'єтнам. Були визначені деякі фізико-хімічні властивості (кислотність/омилення/ефірне число, відносна/абсолютна густина, температура замерзання та збереження аромату) ефірної олії. Хімічний склад ефірної олії мандарина визначали методом газової хроматографії-мас-спектрометрії (ГХ-МС), і результати виявили шість основних компонентів, а саме: α-пінен (0.93 %), β-пінен (0.61 %), β-мірцен (1.88 %), D-лимонен (96.09 %), ліналоол (0.16 %) та α-терпінеол (0.33 %), які є монотерпенами. Крім того, дослідження показало слабку антиоксидантну здатність олії та сильну антибактеріальну активність проти патогенних бактерій, визначену за допомогою методу дифузії на паперовому диску.

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Keywords

антибактеріальна активність; антиоксидантна здатність; олія; фізико-хімічні властивості., antibacterial activity, antioxidant capacity, physicochemical properties, oil

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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