Densitometric method for assessment of six specialized metabolites in four Sida sp. and its congener Abutilon indicum: Targeted metabolomics, greenness assessment, and chemometrics analysis.

Sida is one of the most diverse genera, with about 200 species distributed in tropical and subtropical regions of the world. Among 18 species distributed in India, Sida acuta, Sida cordifolia, Sida rhombifolia, and Sida cordata are used in traditional medicines along with its possible adulterant Abutilon indicum for several therapeutic uses. The non-availability of marker-based validated methods for the identification and classification of these species leads to adulteration.

Cepstral Characteristics of Voice in Indian Female Classical Carnatic Singers.

Background: The cepstral measures are gaining attention in the voice analysis as it is reported to be strong predictor of voice impairments. As singer's voice is reported to be present with more harmonics, it can be hypothesized that there would be an increase in the value of cepstral parameters. Also, little is known about the cepstral characteristics of voices in Indian classical Carnatic singers; and hence, the present study was undertaken with an aim to characterize the singer's voice using cepstral measures.