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Katalog Online Perpustakaan Universitas Ma Chung Villa Puncak Tidar N-01 Malang - Jawa Timur.

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Title Chlorophyll Values of Local Green Vegetables Common in Malang, East Java
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ISBN/ISSN
Author(s) Tatas H.P. Brotosudarmo
Leenawaty Limantara
Indriatmoko
Renny Indrawati
Marcelinus A.S. Adhiwibawa
Martin Dettling
Subject(s) Chlorophyll
beta-carotene
vegetable
Lutein
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Language English
Publisher --
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Abstract/Notes Ten edible green vegetables common to daily diet of local community in Malang, East Java, were analyzed for their chlorophyll and carotenoid content. Dark green vegetables were preferred as the potential sources of bioactive pigments. The consumption of chlorophylls and carotenoids has been related to dietary improvement for combatting iron deficiency anemia (IDA) and vitamin A deficiency (VAD) problems. The samples were purchased from 5 traditional markets and 5 supermarkets located in five districts of Malang city, including the indigenous and cultivated species. The samples were subjected to chlorophyll- and nitrogen meter, as well as the Color flex (L*, a*, b* values) for in vivo examination. Afterward, the samples were chopped, peeled, washed and prepared ready for cooking according to local practices by local women and the non-edible portions discarded. In vitro investigation was performed through rapid extraction using organic solvent, and the crude extracts were subsequently subjected to UV-Vis Spectrophotometer and High Performance Liquid Chromatography (HPLC) for chlorophylls and carotenoids quantification. The correlation between in vivo and in vitro data was discussed in order to determine the possibility of rapid and non-destructive method to predict the content of chlorophyll and carotenoid of marketed vegetables. The values found for chlorophyll a and b, as well as -carotene and lutein were tabulated and prepared as updated reference for recommendable daily consumption
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