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Phytochemical, Antioxidant Activity and Lycopene Analysis of Red Guava Fruits

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Document pages: 6 pages

Abstract: Phytochemicals are naturally occurring in the medicinal plants leaves, stem bark, fruits and roots that have defense mechanism and protect from various diseases. Natural products from plants called secondary metabolites are the end products of primary metabolites such as carbohydrates, amino acid, and chlorophyll lipid so on. They are synthesis large variety of chemical substances known as secondary metabolites which include alkaloids, steroids, flavonoids, terpenoids, glycoside, saponia, tannins, phenolic compounds etc. the active principle of many drugs found in plants are secondary metabolites. Therefore basic phytochemical investigation is vital. The identification and isolation of such active compounds makes it more effective therapeutic application. Red Guava fruit constituents (skin, pulp and seeds) were evaluated for phytochemical components, Antioxidant activity and lycopene. The present study was to compare the fresh and dried samples of watermelon. Preliminary qualitative phytochemical analysis was carried out by standard procedures to identify the secondary metabolites like alkaloids, flavonoids, saponins, phenols, glycosides, carbohydrates, tannins, steroids and terpenoids present in the methnolic extracts of fresh and dried Red Guava. Tests were triplicates and interpreted in tables. Quantitative phytochemical test such as Alkaloids, Flavonoids and Total Phenol were done. UV spectrometry was used to do Lycopene analysis. From this study it can be concluded that fresh Red Guava contains number of phytochemicals. Dried Red Guava pulps contain more lycopene than the fresh Red Guava. So it was proven that heat treatment increases the lycopene availability in foods.

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