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Antioxidant and phytochemical levels and their interrelation in stem and leaf extract of water spinach (Ipomea aquatica)

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Title Antioxidant and phytochemical levels and their interrelation in stem and leaf extract of water spinach (Ipomea aquatica)
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Creator P K SINGH, S K TIWARI, N RAI, KRISHNA RAI and MAJOR SINGH
 
Subject Antioxidants, Kong Kong, Phytochemicals, Under-utilized vegetable, Water spinach
 
Description Not Available
An investigation was carried out to evaluate nutritional and anti-oxidant properties of leaf and stem extracts from
10 genotypes of water spinach (Ipomea aquatica Forsk). The extracts were analyzed in terms for protein, sugar, chlorophyll, carotenoid, phenol, proline, flavonoids and ascorbic acid contents. The analysis revealed a significant variation in the level of protein (10.4-151.6 mg/g FW), sugar (0.33-2.98 g/100g FW), chlorophyll (2.50-4.98 mg/g FW), phenol (0.75-2.11 mg/g FW), proline (0.14-36.14 μg/g FW), carotenoid (0.85-0.1.59 mg/g FW), flavonoid (0.1-0.431 mg/g FW) and ascorbic acid (0.21-1.03 g/100g FW) in leaf extract and (protein 13.1-144.8 mg/g FW, sugar 0.43-3.55 g/100g FW, chlorophyll 0.32-0.76 mg/g FW, phenol 0.54-4.76 mg/g FW, proline 0.09-29.46 μg/g FW, carotenoid 0.12-0.29 mg/g FW, flavonoid 0.05-0.231 mg/g FW and ascorbic acid 0.28-0.62 g/100g FW) in stem extract of the genotypes. The results indicate that total sugar, proline and protein in both stem and leaf extracts expressed high heritability coupled with high genetic advance indicating that these traits are mainly controlled by additive genes and progeny selection will be rewarding for improvement of these traits. High heritability values in these traits indicate that expression of characters under study is less influenced by environment. Plant breeders on such basis may make the safe selection on the basis of phenotype of the plant by adopting simple selection schemes.
For most of the nutritional and anti-nutritional qualities the genotypic correlation coefficient was recorded higher than phenotypic correlation coefficient. The study indicates significantly less influence of environment on the expression
of these nutritional and antioxidant traits.
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Date 2018-11-24T08:28:00Z
2018-11-24T08:28:00Z
2015-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/13109
 
Language English
 
Relation Not Available;
 
Publisher Indian Journal of Agricultural Sciences