By V. A. Parthasarathy, B. Chempakam, T. J. Zachariah
Spices are excessive price, export-oriented vegetation used greatly in nutrients and beverage flavourings, medicinal drugs, cosmetics and perfumes. curiosity is transforming into in spite of the fact that within the theoretical and sensible points of the biosynthetic mechanisms of lively parts in spices in addition to the connection among the organic job and chemical constitution of those secondary metabolites. a large choice of phenolic elements and amides derived from spices were discovered to own effective chemopreventive, anti-mutagenic, anti-oxidant and anti-carcinogenic homes. Representing the 1st dialogue of the chemical houses of a large go component to vital spices, this e-book covers widely the 3 large different types of plant-derived normal items: the terpenoids, the alkaloids and the phenyl propanoids and allied phenolic compounds. Spice plants akin to black pepper, ginger, turmeric and coriander are lined with details on botany, composition, makes use of, chemistry, foreign requirements and the houses of a vast diversity of universal and unusual spices.
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Additional resources for Chemistry of Spices (Cabi)
It employs bonded C18 stationary phase (ODS2) and acetonitrile-aqueous acetic acid mobile phase with UV detection. As the spectrophotometric method which invariably yields higher results because of the contributions from other alkaloids such as piperyline and piperettine, the HPLC method relates more to piperine. Utilizing the UV absorption property of piperine, spectrophotometric estimation methods were developed by different groups using solvents such as benzene, ethanol, ethylene dichloride, acetone, ethyl acetate, chloroform and cyclohexane.
Properties, synthesis and estimation of piperine The alkaloid piperine generally is accepted as the active ‘bite’ component in black pepper. The homologues and analogues of piperine are minor or trace compounds and their contribution to pungency is small. Despite the controversy over the nature of pungent compounds in pepper, piperine content has been taken as a measure of the total pungency. Piperine is a yellow crystalline substance having a melting point of 128–130°C. Piperine, C17H19O3N, was shown to be a weak base which, on hydrolysis with aqueous alkali or nitric acid, yielded a volatile base C5H11N, later identified as piperidine.
A common hardy cultivar of Malabar, poor yielder. Originally from south Kerala, now very popular throughout Kerala, tolerant to shade, performs well as a mixed crop, widely adaptable, good yielder, medium quality. Medium-long ovate leaves, spikes medium, setting moderate, yield medium. Medium ovate leaves, predominantly female, fruit bold, oblong, medium quality, poor yielder. Performs well in plains and hilly regions up to 700–800 m MSL, widely adapted and high yielding, high quality. Performs well as intercrop in coconut and arecanut gardens, not suitable for plains, good yielder, medium quality.
Chemistry of Spices (Cabi) by V. A. Parthasarathy, B. Chempakam, T. J. Zachariah