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Effect of extraction conditions on colour content from raw beetroot
NOPR - NISCAIR Online Periodicals Repository
View Archive Info| Field | Value | |
| Title |
Effect of extraction conditions on colour content from raw beetroot
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| Creator |
Malik, Tanveer
Patra, Shamayita |
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| Subject |
Beetroot
Colour content Natural dye |
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| Description |
96-99
In the present study, a preliminary investigation on extraction and optimization of red colour from raw beetroot has been conducted to optimize the dye extraction process, the extraction parameters, viz temperature is varied from 6 °C to 70 °C, time from 30 min to 120 min and medium pH from 3 to 11. At 45°C temperature, 90 min extraction time and 5 pH, the maximum colour extraction is achieved, i. e. at this optimum condition, the maximum colour yield (2.49 ± 0.08 g/100mL) is obtained. It is observed that at ≥47.5°C, the chromophore of beetroot dye is denatured as can be seen by the value of λ max, which is changed form 530 nm to 430 nm at ≥47.5°C. |
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| Date |
2024-04-01T11:02:20Z
2024-04-01T11:02:20Z 2024-04 |
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| Type |
Article
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| Identifier |
0975-1025 (Online); 0971-0426 (Print)
http://nopr.niscpr.res.in/handle/123456789/63650 https://doi.org/10.56042/ijftr.v49i1.9532 |
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| Language |
en
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| Publisher |
NIScPR-CSIR,India
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| Source |
IJFTR Vol.49(1) [March 2024]
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