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Title: Quantitative analysis of bio-active phytochemical(s) in selected scented rice varieties (Oryza sativa) reveals its intake towards advantage against metabolic disorders
Authors: Choudhury, P
Dutta, K N
Deb, P K
Talukdar, N C
Samanta, S K
Devi, R
Keywords: Diabetics;Essential fatty-acid;Joha;Phytochemicals;Scented rice
Issue Date: Jan-2021
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.21: A61P 7/12, C11B 9/00, A61K 36/185, A01G 22/22
Abstract: Based on ancestral knowledge towards health beneficial effect, the current study led to investigate the content of bioactive phytochemical(s) in the scented rice (variety “joha”) grain indigenous to the NER-India and their effects on the enzyme involved in metabolic disorders and cellular glucose uptake efficacy. Results of both α-glucosidase inhibitory activity and the glucose uptake assay-guided fractionation based on column purification followed by spectral data analysis confirmed the presence of two major bioactive compounds as linoleic (ω-6-fatty-acid) and linolenic (ω-3-fatty-acid) acid. Quantitative analysis showed that linolenic acid content in scented rice verities was 2.1±0.3 mg/g, which is ~1.6 fold higher than its content in non-scented rice variety from the same region. The relative ratio (ω-6/ω-3) of these two essential unsaturated fatty acids content in the scented rice variety seeds was calculated as 23.5±0.6 while, in non-scented rice variety seeds, it was 31.6. Chemical fingerprinting by GCMS and HPLC of methanolic extract of selected rice samples revealed the presence of various fatty-acid along with other volatile and polar compounds. In conclusion, the scented rice seeds contain a better ratio of two essential unsaturated fatty acid compare to non-scented rice seed, which may be an effective choice as diet towards controlling metabolic disorder.
Page(s): 210-220
ISSN: 0975-1068 (Online); 0972-5938 (Print)
Appears in Collections:IJTK Vol.20(1) [January 2021]

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