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Bioactive constituents, sorption behaviour, antioxidant and antimicrobial activity of solar dried ajwain (Trachyspermum copticum L.) leaves.
Galla Narsing, Rao and Sulochanamma, G. and Madhusudhana Rao, D. and Sathiya Mala, K. (2023) Bioactive constituents, sorption behaviour, antioxidant and antimicrobial activity of solar dried ajwain (Trachyspermum copticum L.) leaves. Indian Journal of Natural Products and Resources, 14 (2). pp. 278-284.
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Abstract
The stability of active compounds, sorption studies, and antioxidant and antimicrobial activity of solar-dried ajwain (Trachyspermum copticum L.) leaves were studied. Fresh ajwain leaf (FAL) on solar drying yielded solar-dried ajwain leaf (SDAL) and was packed in polyethylene pouches for further studies. SDAL was rich in protein, fibre and mineral matter. Active compounds such as β-carotene (17 and 89 mg/100 g) and total chlorophyll (112 and 82 mg/100 g) contents were found in FAL and SDAL respectively. Similarly, higher ascorbic acid and polyphenols content were found in SDAL. Moisture sorption isotherm studies indicated that the SDAL was found to be non-hygroscopic in nature and stable at room temperature. Antioxidant activity as assayed by methanolic extract indicated SDAL had better activity than FAL. The ethanol extract of FAL and SDAL was evaluated for antimicrobial activity by disc diffusion method, which showed that the extract was sensitive at 20 μg/mL concentration on Gram-negative and positive bacteria. The study encourages the isolation and characterization of active ingredients from FAL and SDAL and their application in foods as nutraceuticals.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Antimicrobial activity, Antioxidant activity, Bioactive components, Solar dried ajwain leaves, Sorption studies |
| Subjects: | 600 Technology > 08 Food technology > 30 Spices/Condiments 600 Technology > 08 Food technology > 32 Antioxidants |
| Divisions: | CFTRI Resource Centres > Hyderabad |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 08 Dec 2023 05:24 |
| Last Modified: | 08 Dec 2023 05:24 |
| URI: | http://ir.cftri.res.in/id/eprint/16812 |
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