B.R. Rajeswara Rao

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Questions related from B.R. Rajeswara Rao

Are there any non-destructive methods to isolate or separate volatile or non-volatile secondary metabolites from plant sources?

Destructive sampling to isolate volatile and non-volatile secondary metabolites are largely practiced. With the advances in technology, is it possible to quantify the secondary metabolites in a...

18 February 2015 5,871 15 View

Which do you recommend fresh or semi-dry or dry biomass/tissue for an aqueous/solvent extract or for extracting/isolating/separating phytochemicals?

Is it necessary to dry the plant material to prepare an extract or extract/isolate/separate active substances (class of compounds or pure phytochemicals) from plant sources?

12 February 2015 1,592 18 View

What is the difference between extraction and isolation of essential oil or active substances from aromatic and medicinal plants?

Researchers have used these terms interchangeably while describing procedures of extraction or isolation of essential oils from aromatic plants and extracts of medicinal plants. Which of the two...

11 February 2015 2,973 23 View

Which drying methods are practiced to dry plant biomass of spices, agricultural, horticultural, medicinal and aromatic plants?

Traditionally agricultural/horticultural crops, spices, medicinal and aromatic plants and other plant products are dried in shade or Sun. Subsequently hot-air oven drying, solar drier drying,...

11 February 2015 2,708 13 View