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Comparison of the Proximate Composition, Total Carotenoids and Total Polyphenol Content of Nine Orange-Fleshed Sweet Potato Varieties Grown in Bangladesh
Open accessAbstract
In an attempt to develop the food composition table for Bangladesh, the nutritional composition of nine varieties of orange-fleshed sweet potato was analyzed together with total carotenoids (TCC) and total polyphenol content (TPC). Each variety showed significant variation in different nutrient contents. The quantification of the TCC and TPC was done by spectrophotometric measurement, and the proximate composition was done by the AOAC method. The obtained results showed that total polyphenol content varied from 94.63 to 136.05 mg gallic acid equivalent (GAE)/100 g fresh weight. Among the selected sweet potatoes, Bangladesh Agricultural Research Institute (BARI) Sweet Potato 7 (SP7) contained the highest, whereas BARI SP6 contained the lowest amount of total polyphenol content. The obtained results also revealed that total carotenoids content ranged from 0.38 to 7.24 mg/100 g fresh weight. BARI SP8 showed the highest total carotenoids content, whereas BARI SP6 showed the lowest. Total carotenoids content was found to be higher in dark orange-colored flesh varieties than their light-colored counterparts. The results of the study indicated that selected sweet potato varieties are rich in protein and carbohydrate, low in fat, high in polyphenol and carotenoids and, thus, could be a good source of dietary antioxidants to prevent free radical damage, which leads to chronic diseases, and also to prevent vitamin A malnutrition.
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“The content of β-carotene and β-cryptoxanthin in W cultivar was lower, and gradually increased with the deepening of flesh color from white to orange-red, which was consistent with the findings of Alam et al. (Alam et al., 2016) and Islam et al. (Islam et al., 2016).”
From Integrated analysis of carotenoid metabolites and transcriptome identifies key genes controlling carotenoid compositions and content in sweetpotato tuberous roots (Ipomoea batatas L.) (2022) · cites this paper as Alam et al., 2016
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Metadata
- Authors
- Alam, M., Rana, Z., & Islam, S.
- Affiliations
- University of Dhaka (BD)
- Texas Tech University (US)
- Corresponding author
- Alam, Mohammad
- Venue
- Foods
- Publisher
- MDPI AG
- Published
- 2016-09-14
- Volume
- 5
- Issue
- 3
- Pages
- 64
- ISSN
- 2304-8158 (ISSN-L)
- PMC
- PMC5302402
- OpenAlex
- W2520625709
- Cited by
- 194
- References
- 31
- Citations by year
- 2026: 18 · 2025: 22 · 2024: 25 · 2023: 26 · 2022: 35 · 2021: 22 · 2020: 27 · 2019: 12 · 2018: 5 · 2017: 2
- FWCI
- 7.98
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Foods (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- ThinkTech (Texas Tech University) (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Bangladesh Agricultural Research Institute
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Food Nutrient Composition and Product Development
- Health Sciences › Medicine › Biochemistry (medical) › Phytochemicals and Antioxidant Activities
- Life Sciences › Agricultural and Biological Sciences › Food Science › Seed and Plant Biochemistry
- Keywords
- orange-fleshed sweet potato, sweet potato varieties, proximate composition, total carotenoids, total polyphenols, nutritional composition, food composition tables, dietary antioxidants, Bangladesh
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