Spectrophotometric Studies of Indolic Compounds from Vinca Minor L

Ana-Maria Dumitrescu
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Ana-Maria Dumitrescu: IOSUD Carol Davila, Bucharest, Romania

European Journal of Medicine and Natural Sciences, 2024, vol. 7, issue 1, 27-37

Abstract: The most medically representative plant in the Apocynaceae family is Vinca minor. Vinca minor is a perennial, herbaceous plant, commonly known as Saschiu. In the present research we aimed to isolate the indole compounds from Vinca minor L. and to carry out some physico-chemical studies on these compounds: UV-VIS spectroscopy and the determination of the polyphenols content using Folin-Ciocâlteu method. The spectrophotometric study of the alcoholic plant extracts obtained from the leaf and stem of Vinca minor was performed using the UV-VIS spectrophotometric method and a VWR UV-630PC double beam spectrophotometer. Both samples of plant alcoholic extracts obtained from the leaf and from the stem of Vinca minor L. had the specific absorption maxima detected in the range 225-350 nm and the absorbance maximum in both cases was 3.5 (u.a- absorbency units). The total content of polyphenols was determined by the Folin-Ciocâlteu method from alcoholic extracts of different concentrations: 40%, 70%, 96% (T40, T70, T96, F40, F70, F96) obtained from the leaf and stem of Vinca minor plant using the spectrophotometer model JASCO- 550 UV VIS. Regarding the alcoholic extracts obtained from the leaf of Vinca minor L., the concentrations of polyphenols were between 812.50 mg / 100g pv and 1737.50 mg / 100g pv and and in the case of alcoholic extracts obtained from the strain, the results were between 1525.00-3962.50 mg GAE / 100 g pv, results that were in accordance with the literature.

Keywords: Vinca minor; bioactive substances; UV-VIS spectrophotometric method; Folin-Ciocâlteu method (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eur:ejmnjr:129

DOI: 10.26417/s97r3t90

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