Chemical composition, Antioxidant capacities and storage stability of Citrus macroptera and Garcinia pedunculata fruits

An attempt was made to gain an insight about chemical compositions and antioxidant capacities of selected underutilized fruits Satkara (Citrus macroptera) and Taikor (Garcinia pedunculata) in Sylhet, Bangladesh. The analysis showed β Carotene and Vitamin C in Satkara 22±1.50 mg/100g and 210.43±0.40...

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Bibliographic Details
Published in:Emirates journal of food and agriculture 2015-03, Vol.27 (3), p.275
Main Authors: Islam, M Z, Hoque, M M, Asif-Ul-Alam, S M, Monalisa, K
Format: Article
Language:English
Subjects:
Acids
Antioxidants
Citrus fruits
Cocoa
Enzymes
Ethanol
Flavonoids
Free radicals
Methods
Moisture content
Phytochemicals
Polyphenols
R&D
Research & development
Statistical analysis
Value added
Vitamin C
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Summary:An attempt was made to gain an insight about chemical compositions and antioxidant capacities of selected underutilized fruits Satkara (Citrus macroptera) and Taikor (Garcinia pedunculata) in Sylhet, Bangladesh. The analysis showed β Carotene and Vitamin C in Satkara 22±1.50 mg/100g and 210.43±0.40 mg/100g whereas Taikor contains 45±1.00 and 142.83±2.03 mg/100g, respectively. The mineral composition of both fruits is appreciable. Total polyphenol content (TPC) and total flavonoids (TF) in Satkara and Taikor were 22.76±0.52 mg GAE/100g and 18.98±0.65 mg GAE/100g, 23.38±1.0 mg RE/g and 18.33±1.12 mg RE/g, respectively. The antioxidant capacities of these fruits were evaluated by DPPH and ABTS method, values expressed as TEAC (Trolox Equivalent Antioxidant Capacity). In case of ABTS showed that the value 19.06±0.18 TEAC and 2,318.44±5.60 TEAC; for DPPH showed 16.20±0.04 TEAC and 1,813.88±12.62 TEAC in Satkara and Taikor, respectively. The total polyphenol content showed the positive correlation with the antioxidant capacities and ascorbic acid contents of these fruits.
ISSN:2079-052X
2079-0538
DOI:10.9755/ejfa.v27i3.18624