The present study formulates a method for comprehensive production of vasicinone, a quinazoline alkaloid, from multiple plant parts of in vitro and in-field-grown Justicia beddomei. HPTLC analysis of plant parts was executed with methanolic extract using toluene: butanol: butyl acetate (9:0.5:0.5; v/v/v) as the solvent system. Validation of methodology was accomplished using TLC plates (silica gel 60 F254-pre-coated aluminium sheet) following the ICH manual to maintain accuracy, precision and repeatability with a linearity ranging 2–6 μg/spot. Validation data offers precision to the methodology adapted in the present study (LOD 1 μg/spot and LOQ 3 μg/spot). It was evident that in vitro samples produced relatively higher levels of vasicinone than that of their in-field counterparts. The highest vasicinone (2.07±0.025% of dry weight) production was quantified from in vitro stem, signifying a new resource for the production of vasicinone from identified parts of in vitro and in-field propagated J. beddomei plants.
Our study developed a HPTLC fingerprint profile of alkaloids and glycosides obtained from the methanol extracts of four different plant parts of Terminalia arjuna, T. bellerica and T. chebula, trees with cardio-protective values. The multiple qualitative phytochemical analyses of water, acetone, petroleum ether and methanol extracts from all the plant parts of Terminalia spp. detected the presence of alkaloids and glycosides, wherein the methanol extracts exhibited the presence of maximum alkaloids and glycosides. The chromatographic analysis of methanol extracts was carried out on silica gel 60F254HPTLC aluminium sheets with CAMAG Linomat 5 applicator. The plates were developed using ethyl acetate:toluene:formic acid (10:10:1; v/v/v) mobile phase. Alkaloids and glycosides were detected at 254 nm, 366 nm and 540 nm (after derivatization). These developed fingerprints would eventually be of great benefit in identifying or differentiating the alkaloids and glycosides in the form of marker compounds in the three Terminalia spp. mentioned.