Abstract
Objective: Pharmacognostical study along with the development of a quantitative HPTLC method for Crinum latifolium and evaluation of its traditional claims.Methods: Quantification of three marker compounds oleanolic acid, linoleic acid, and lupeol was done through HPTLC. In vitro antioxidant activity was determined by six different models, namely total phenolic and total flavonoid content, DPPH radical scavenging assay, ferric reducing power, antioxidant capacity and hydroxyl radical scavenging assay. In vitro antidiabetic activity was evaluated by α-amylase inhibition assay based on starch iodine and DNS method.Results: The content of oleanolic acid, linoleic acid, and lupeol were found to be higher in aerial parts like 0.015%, 0.048%, and 0.028% respectively, while in root extract 0.006%, 0.027% and 0.025% respectively on a dry weight basis. Free radical scavenging activity was done by DPPH assay, showing the IC50 value of 410±1.105 µg/ml in roots and 441.95±1.788 in aerial parts. In vitro antidiabetic potential of both the parts were assessed by starch iodine color assay and DNS method of alpha-amylase inhibition model. In 3,5 DNS assay, IC50 of extract from aerial parts was 282.21±2.151µg/ml whereas in root extract it was 193.33±2.45µg/ml. Iodine-starch assay of C. latifolium (aerial part) shown the IC50 value of 340.81±0.49 µg/ml and C. latifolium (root) of 74.64±1.28 µg/ml.Conclusion: The results indicate that the aerial parts of the plant possess more antidiabetic potential in comparison to the root. Thus, the aerial part can be used to get better results as a drug and roots can be used as an alternative.
Highlights
The Indian traditional medicine system is one of the oldest systems of conventional healing
The present study showed promising anti-diabetic potential in both parts of the plant along with the good antioxidant activity
The proposed phytochemical analysis, HPTLC fingerprint, and biological potential can be used as a supportive aid in the quality evaluation and standardization of the raw material used in industries
Summary
The Indian traditional medicine system is one of the oldest systems of conventional healing Some of this vast indigenous knowledge is documented in scriptures while a voluminous amount of knowledge is not documented. Such information is localized to some ethnic or rural communities and transferred from one generation to the other only via verbal means. With the recent upsurge of the idea of ‘evidence-based validated medicine’, scientific evaluation of claims mentioned in ancient texts is a thrust area of research. This approach has contributed significantly to the scientific validation of the traditional claims
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