Quality Attributes of Malaysia Purple-Fleshed Sweet Potato at Different Peel Condition
Abstract
:1. Introduction
2. Materials and Methods
2.1. Raw Materials
2.2. Sample Preparation of Sweet Potato Tubers
2.3. Sample Preparation of Sweet Potato Flour
2.4. Determination of the Physical and Chemical Properties
2.4.1. Dry Matter Content (DM)
2.4.2. Ash Content
2.4.3. Moisture Content (MC)
2.4.4. Crude Protein
2.4.5. Crude Fat
2.4.6. Crude Fiber
2.4.7. Carbohydrate
2.4.8. Starch Content
2.4.9. Amylose Content
2.4.10. Vitamin C
2.4.11. Statistical Analysis
3. Results
3.1. Dry Matter (DM)
3.2. Ash Content
3.3. Moisture Content
3.4. Crude Protein (CP)
3.5. Crude Fat
3.6. Crude Fiber
3.7. Carbohydrate
3.8. Starch Content
3.9. Amylose Content
3.10. Vitamin C
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Sample | Dry Matter (%) | Ash (%) | Moisture (Wet Basis) (%) | Crude Protein (%) | Crude Fat (%) | |||||
---|---|---|---|---|---|---|---|---|---|---|
Raw | Flour | Raw | Flour | Raw | Flour | Raw | Flour | Raw | Flour | |
C1 | 32.67 ± 0.57 a | 36.00 ± 1.00 a | 4.13 ± 0.74 c | 4.81 ± 0.11 b | 75.33 ± 0.58 c | 3.85 ± 0.07 b | 0.57 ± 0.03 b | 7.78 ± 0.03 b | 0.51 ± 0.08 a | 0.40 ± 0.13 a |
C2 | 21.67 ± 0.58 b | 27.00 ± 2.00 b | 2.10 ± 0.08 b | 3.81 ± 0.47 b | 79.00 ± 1.00 b | 3.98 ± 0.06 b | 0.59 ± 0.11 b | 7.84 ± 0.05 b | 0.30 ± 0.20 a | 0.26 ± 0.09 a |
C3 | 8.67 ± 1.53 c | 11.00 ± 1.00 c | 6.44 ± 1.18 a | 11.66 ± 1.32 a | 89.00 ± 1.00 a | 6.04 ± 0.09 a | 1.38 ± 0.09 a | 8.66 ± 0.37 a | 0.36 ± 0.08 a | 0.37 ± 0.07 a |
Sample | Crude Fiber (%) | Carbohydrate (mg Glucose/mL) | Starch (%) | Amylose (g/100 g) | Vitamin C (mg/100 mL) | |||||
---|---|---|---|---|---|---|---|---|---|---|
Raw | Flour | Raw | Flour | Raw | Flour | Raw | Flour | Raw | Flour | |
C1 | 2.97 ± 0.64 a | 9.90 ± 1.22 a | 46.32 ± 1.56 a | 173.54 ± 9.43 a | 20.84 ± 0.19 a | 39.73 ± 2.24 a | 9.97 ± 0.80 a | 17.22 ± 1.02 a | 0.45 ± 0.25 a | 5.38 ± 0.91 a |
C2 | 1.08 ± 0.02 b | 5.30 ± 0.73 b | 41.58 ± 0.64 b | 134.44 ± 7.79 b | 20.48 ± 0.28 a | 42.53 ± 0.77 a | 6.68 ± 0.31 b | 11.74 ± 0.54 b | 1.17 ± 0.43 a | 11.47 ± 2.15 a |
C3 | 1.08 ± 0.09 b | 1.93 ± 0.93 c | 25.38 ± 2.64 c | 95.59 ± 9.39 c | 15.50 ± 0.35 b | 20.11 ± 1.36 b | 3.94 ± 0.22 c | 6.91 ± 0.44 c | 0.74 ± 0.75 a | 7.84 ± 3.92 a |
References
- Yusoff, M.M.; Abdullah, S.N.; Ridzwan, M.; Halim, A. Growth and Yield Performance of Five Purple Sweet Potato (Ipomoea batatas). Access. Colluvium Soil 2018, 41, 975–986. [Google Scholar]
- Shafienaz, N.A.; Najib, M.; Omar, H.; Jupri, A. Tuber Yields of Three MARDI Purple Flesh Sweet Potatoes Varieties as Affected by Different Age of Planting Material. Malays. Soc. Plant Physiol. 2019, 2016, 289–291. [Google Scholar]
- Oke, M.O.; Workneh, T.S. A review on sweet potato postharvest processing and preservation technology. Afr. J. Agric. Res. 2013, 1, 1–14. [Google Scholar]
- Bovell-Benjamin, A.C. Sweet Potato: A Review of its Past, Present, and Future Role in Human Nutrition. Adv. Food Nutr. Res. 2007, 52, 1–59. [Google Scholar] [CrossRef]
- Ganhao, R.; Pinheiro, J.; Tino, C.; Faria, H.; Gil, M.M. Characterization of Nutritional, Physicochemical, and Phytochemical Composition and Antioxidant Capacity of Three Strawberry ‘Fragaria _ ananassa Duch.’ Cultivars (‘Primoris’, ‘Endurance’, and ‘Portola’) from Western Region of Portugal. Foods 2019, 8, 682. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Wang, S.; Nie, S.; Zhu, F. Chemical constituents and health effects of sweet potato. Food Res. Int. 2016, 89, 90–116. [Google Scholar] [CrossRef] [PubMed]
- Van Hal, M. Quality of Sweetpotato Flour During Processing and Storage. Food Rev. Int. 2000, 16, 1–37. [Google Scholar] [CrossRef]
- Truong, V.D.; Avula, R.Y.; Pecota, K.V.; Yencho, G.C. Sweetpotato Production, Processing, and Nutritional Quality. Handb. Veg. Veg. Process. 2018, 2, 811–838. [Google Scholar] [CrossRef]
- Ahmed, M.; Akter, M.S.; Eun, J.-B. Peeling, drying temperatures, and sulphite-treatment affect physicochemical properties and nutritional quality of sweet potato flour. Food Chem. 2010, 121, 112–118. [Google Scholar] [CrossRef]
- Kaur, M.; Sandhu, K.S. Sweet Potato Flour and Starch. Trop. Roots Tubers 2016, 479–506. [Google Scholar] [CrossRef]
- Mousia, Z.S.; Edherly, S.; Pandiella, S.S.; Webb, C. Effect of wheat pearling on flour quality. Food Res. Int. 2004, 37, 449–459. [Google Scholar] [CrossRef]
- Singh, S.; Singh, N. Effect of debranning on the physico-chemical, cooking, pasting and textural properties of common and durum wheat varieties. Food Res. Int. 2010, 43, 2277–2283. [Google Scholar] [CrossRef]
- Shaari, N.; Shamsudin, R.; Nor, M.M.; Hashim, N. Phenolic, flavonoid and anthocyanin contents of local sweet potato (Ipomoea batatas). Food Res. 2020, 4, 74–77. [Google Scholar] [CrossRef]
- Onwude, D.; Hashim, N.; Abdan, K.; Janius, R.; Chen, G. Investigating the influence of novel drying methods on sweet potato (Ipomoea batatas L.): Kinetics, energy consumption, color, and microstructure. J. Food Process. Eng. 2018, 41, e12686. [Google Scholar] [CrossRef]
- Nair, A.G.H.; Prasannakumari, V.; Vijayan, A. Evaluation of orange fleshed sweet potato genotypes for storage root yield and dry matter content. Int. J. Appl. Pure Sci. Agric. 2017, 3, 82–85. [Google Scholar]
- AOAC. Official methods of analysis of the Association of Official Analytical Chemists (method 945.46). In Official Methods of Analysis of the Association of Official Analytical Chemists; Association of Official Analytical Chemists: Arlington, VI, USA, 1997. [Google Scholar]
- AOAC, Association of Official Analytical. Official methods of analysis of AOAC international; AOAC: Arlington, VI, USA, 1990. [Google Scholar]
- Khan, A.H.; Minhas, N.M.; Asasd, M.J.; Iqbal, A.; Ilyas, M.; Mahmood, R.T. Estimation of Carbohydrate, Starch, Protein and Oil Contents of Maize (Zea mays). Eur. J. Acad. Res. 2014, 2, 5230–5240. [Google Scholar]
- Olatunde, G.O.; Henshaw, F.O.; Idowu, M.A.; Tomlins, K. Quality attributes of sweet potato flour as influenced by variety, pretreatment and drying method. Food Sci. Nutr. 2015, 4, 623–635. [Google Scholar] [CrossRef] [PubMed]
- Hoover, R.; Ratnayake, W.S. Determination of Total Amylose Content UNIT E2.3 of Starch. Handb. Food Anal. Chem. 2001, 2, 679–687. [Google Scholar]
- Nielsen, S.S. Vitamin C Determination by Indophenol Method. In Food Science Text Series; J.B. Metzler: Stuttgart, Germany, 2017; pp. 143–146. [Google Scholar]
- Wang, X.; Tian, S.; Lou, H.; Zhao, R. A reliable method for predicting bioethanol yield of different varieties of sweet potato by dry matter content. Grain Oil Sci. Technol. 2020, 3, 110–116. [Google Scholar] [CrossRef]
- Vaitkevičienė, N. A comparative study on proximate and mineral composition of coloured potato peel and flesh. J. Sci. Food Agric. 2019, 99, 6227–6233. [Google Scholar] [CrossRef] [PubMed]
- Marwaha, R.S.; Pandey, S.K.; Singh, S.V.; Khurana, S.M.P. Processing and nutritional qualities of Indian and exotic potato cultivars as influenced by harvest date, tuber curing, pre-storage holding period, storage and reconditioning under short days. Adv. Hortic. Sci. 2005, 47, 137–156. [Google Scholar]
- Alvi, S.; Khan, K.M.; Sheikh, M.A.; Shahid, M. Effect of Peeling and Cooking on Nutrients in Vegetables, Pakistan. J. Nutr. 2003, 2, 189–191. [Google Scholar]
- Dibanda, F.; Romelle, R.P.; Manohar, R.S. Chemical composition of some selected fruit peels. Eur. J. Food Sci. Technol. 2016, 4, 12–21. [Google Scholar]
- Chikpah, S.K.; Korese, J.K.; Hensel, O.; Sturm, B. Effect of Sieve Particle Size and Blend Proportion on the Quality Properties of Peeled and Unpeeled Orange Fleshed Sweet Potato Composite Flours. Foods 2020, 9, 740. [Google Scholar] [CrossRef]
- Abdullah, N.; Zulkifli, K.S.; Abdullah, A.; Aziman, N.; Kamarudin, W.S.S.W. Assessment on the antioxidant and antibacterial activities of selected fruit peels. Int. J. ChemTech Res. 2012, 4, 1534–1542. Available online: http://www.sphinxsai.com/2012/oct-dec/chempdf/CT=42(1534-1542)OD12.pdf (accessed on 20 February 2021).
- Czech, A.; Zarycka, E.; Yanovych, D.; Zasadna, Z.; Grzegorczyk, I.; Kłys, S. Mineral Content of the Pulp and Peel of Various Citrus Fruit Cultivars. Biol. Trace Element Res. 2019, 193, 555–563. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Aletor, O.; Oshodi, A.; Ipinmoroti, K. Chemical composition of common leafy vegetables and functional properties of their leaf protein concentrates. Food Chem. 2002, 78, 63–68. [Google Scholar] [CrossRef]
- Iqbal, S.; Younas, U.; Sirajuddin; Chan, K. W.; Sarfraz, R.A.; Uddin, K.; Uddin, K. Proximate Composition and Antioxidant Potential of Leaves from Three Varieties of Mulberry (Morus sp.): A Comparative Study. Int. J. Mol. Sci. 2012, 13, 6651–6664. [Google Scholar] [CrossRef] [PubMed]
- Somendrika, M.A.D.; Wickramasinghe, I.; Wansapala, M.A.J.; Peiris, S. Proximate Composition of the Flesh and the Peel of Sri Lankan Cassava Variety ‘ MU‑51. Int. J. Innov. Res. Technol. 2017, 4, 267–270. [Google Scholar]
- Geankoplis, C.J. Transport Processes and Unit Operations; Prentice Hall: Englewood Cliffs, NJ, USA, 2003. [Google Scholar]
- Stan, C. Codex Standard for Wheat Flour. Packaging; W.T.O.: Boston, MA, USA, 1995; pp. 1–3. [Google Scholar]
- Tortoe, C.; Akonor, P.T.; Koch, K.; Menzel, C.; Adofo, K. Physicochemical and functional properties of flour from twelve varieties of Ghanaian sweet potatoes. Int. Food Res. J. 2017, 24, 2549–2556. [Google Scholar]
- Aguilera, J.; del Valle, J.; Karel, M. Caking phenomena in amorphous food powders. Trends Food Sci. Technol. 1995, 6, 149–155. [Google Scholar] [CrossRef]
- Curayag, Q.A.L.; Dizon, E.I.; Hurtada, W.A. Antioxidant activity, chemical and nutritional properties of raw and processed purple-fleshed sweet potato (Ipomoea batatas Lam.). Cogent Food Agric. 2019, 5, 1662930. [Google Scholar] [CrossRef]
- Elbadrawy, E.; Sello, A. Evaluation of nutritional value and antioxidant activity of tomato peel extracts. Arab. J. Chem. 2016, 9, S1010–S1018. [Google Scholar] [CrossRef] [Green Version]
- Rahman, N.F.; Shamsudin, R.; Ismail, A.; Abdul Karim Shah, N.N. Effects of Post-Drying Method on Pomelo Fruit Peels. Food Sci. Biotechnol. 2016, 25, 85–90. [Google Scholar] [CrossRef]
- Nielsen, S.S. Food Analysis; Springer: New York, NY, USA, 2010. [Google Scholar]
- Wang, C.H.S.; Mu, T.; Zhang, M. Sweet Potato Processing Technology; China Science Publishing & Media: Beijing, China, 2017. [Google Scholar]
- Rodrigues, N.; Barbosa, J.L.; Barbosa, M.I.M.J. Determination of physico-chemical composition, nutritional facts and technological quality of organic orange and purple-fleshed sweet potatoes and its flours. Int. Food Res. J. 2016, 23, 2071–2078. [Google Scholar]
- Bovell-Benjamin, A.C.; Gichuhi, P.; Abdalla, M.; Biswas, M.; Bromfield, E.; Alvarez, M.; Kpomblekou, A.K.; Dean, D. Bulk Ingredients from Three Cultivars of Sweetpotatoes: Composition and Properties. In Vegetables Processing and Bioactive Compounds; SAE International: Warrendale, PA, USA, 2004. [Google Scholar]
- Hanim, M.; Chin, N.L. Yusof, Y.A. Physico-chemical and flowability characteristics of a new variety of Malaysian sweet potato, VitAto Flour. Int. Food Res. J. 2014, 21, 2099–2107. [Google Scholar]
- Chisté, R.; Cohen, K.; Mathias, E.; Ramoa, A. Estudo das propriedades físico-químicas e microbiológicas no processamento da farinha de mandioca do grupo d’água Study of physical-chemical and microbiological properties when processing cassava flour from the water group. Food Sci. Technol. 2007, 27. [Google Scholar] [CrossRef] [Green Version]
- Aina, A.J.; Falade, K.O.; Akingbala, J.O.; Titus, P. Physicochemical properties of twenty-one Caribbean sweet potato cultivars. Int. J. Food Sci. Technol. 2009, 44, 1696–1704. [Google Scholar] [CrossRef]
- Senanayake, S.A.; Ranaweera, K.K.D.S.; Gunaratne, A.; Bamunuarachchi, A. Comparative analysis of nutritional quality of five different cultivars of sweet potatoes (I pomea batatas (L) Lam) in SriLanka. Food Sci. Nutr. 2013, 1, 284–291. [Google Scholar] [CrossRef] [PubMed]
- Brennan, C.S.; Samyue, E. Evaluation of Starch Degradation and Textural Characteristics of Dietary Fiber Enriched Biscuits. Int. J. Food Prop. 2004, 7, 647–657. [Google Scholar] [CrossRef] [Green Version]
- Ikanone, C.; Oyekan, P. Effect of Boiling and Frying on the Total Carbohydrate, Vitamin C and Mineral Contents of Irish (Solanun tuberosum) and Sweet (Ipomea batatas) Potato Tubers. Niger. Food J. 2014, 32, 33–39. [Google Scholar] [CrossRef] [Green Version]
- Alam, M.K.; Rana, Z.H.; Islam, S.N. Comparison of the Proximate Composition, Total Carotenoids and Total Polyphenol Content of Nine Orange-Fleshed Sweet Potato Varieties Grown in Bangladesh. Foods 2016, 5, 64. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- FAO. Improving of Nutrition through Home Gardening A Training Package for Preparing Filed Workers in Africa; FAO: Rome, Italy, 2001. [Google Scholar]
- Mu, T.; Sun, H.; Zhang, M.; Wang, C. Sweet Potato Starch and its Series Products. In Sweet Potato Processing Technology; Elsevier BV: Amsterdam, The Netherlands, 2017; pp. 1–48. [Google Scholar]
- Ravindran, V.; Ravindran, G.; Sivakanesan, R.; Rajaguru, S.B. Biochemical and Nutritional Assessment of Tubers from 16 Cultivars of Sweetpotato (Ipomoea batatas L.). J. Agric. Food Chem. 1995, 43, 2646–2651. [Google Scholar] [CrossRef]
- Mu, T.-H.; Zhang, M. Sweet potato starch. Sweet Potato; Chem. Process. Nutr. 2019, 2019, 27–68. [Google Scholar] [CrossRef]
- Soison, B.; Jangchud, K.; Jangchud, A.; Harnsilawat, T.; Piyachomkwan, K. Characterization of starch in relation to flesh colors of sweet potato varieties. Int. Food Res. J. 2015, 22, 2302–2308. [Google Scholar]
- Tortoe, C.; Akonor, P.T.; Koch, K.; Menzel, C.; Adofo, K. Amylose and amylopectin molecular fractions and chain length distribution of amylopectin in 12 varieties of Ghanaian sweet potato (Ipomoea batatas) flours. Int. J. Food Prop. 2017, 20, 3225–3233. [Google Scholar] [CrossRef] [Green Version]
- Zhu, F.; Wang, S. Physicochemical properties, molecular structure, and uses of sweetpotato starch. Trends Food Sci. Technol. 2014, 36, 68–78. [Google Scholar] [CrossRef]
- Q. Lin, H.; Liu, P.; Xu, Z.; Zhang, F. Gong, and Z. Wang, Study on the physical and chemical properties of potato powder. Chem. Eng. Trans. 2017, 59, 781–786. [Google Scholar]
- Krochmal-Marczak, B.; Sawicka, J.; Supski, T.; Cebulak, K.; Pigonia, S. Nutrition value of the sweet potato (Ipomoea batatas (L.) Lam) cultivated in south‑eastern Polish conditions. Int. J. Agric. Res. 2014, 4, 169–178. [Google Scholar]
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Shaari, N.; Shamsudin, R.; Nor, M.Z.M.; Hashim, N. Quality Attributes of Malaysia Purple-Fleshed Sweet Potato at Different Peel Condition. Agronomy 2021, 11, 872. https://doi.org/10.3390/agronomy11050872
Shaari N, Shamsudin R, Nor MZM, Hashim N. Quality Attributes of Malaysia Purple-Fleshed Sweet Potato at Different Peel Condition. Agronomy. 2021; 11(5):872. https://doi.org/10.3390/agronomy11050872
Chicago/Turabian StyleShaari, Nurfarhana, Rosnah Shamsudin, Mohd Zuhair Mohd Nor, and Norhashila Hashim. 2021. "Quality Attributes of Malaysia Purple-Fleshed Sweet Potato at Different Peel Condition" Agronomy 11, no. 5: 872. https://doi.org/10.3390/agronomy11050872