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Potential Antioxidative Activity of Waste Product of Purple Sweet Potato (Ipomoea batatas Lam.).
Pak J Biol Sci. 2022 Jan; 25(8):681-687.PJ

Abstract

Background and Objective: Antioxidants are substances that can deactivate free radicals. Phenol and flavonoid are antioxidant compounds widely found in plants, including purple sweet potato (Ipomoea batatas L.). This research aimed to investigate three purple sweet potato-based organs' antioxidative activity and flavonoid contents. Materials and Methods: Antioxidative activities, total phenolic content and total flavonoid content were performed by UV-visible spectrophotometry. Pearson's method analyzed the correlation of TPC and TFC with antioxidative activities and the correlation between two antioxidative testing methods. Results: Antioxidative activity of three organs purple sweet potato using DPPH method showed values varied from 6.572-290.894 mg AAE g1 and using CUPRAC method varied from 25.169-621.254 mg AAE g1. The highest TPC was found in ethanolic leaves extract (20.885 g GAE 100 g1), while the highest TFC was found in ethyl acetate leaves extract (10.048 g QE 100 g1). Conclusion: DPPH and CUPRAC tests revealed that purple sweet potato leaves, stem and tuber extracts were potent antioxidants. The potential antioxidative activity was found in the waste product of purple sweet potatoes (leaves and stem). Phenol and flavonoid compounds had contributors to antioxidative activity. DPPH and CUPRAC methods gave linear results for most of the antioxidative activity in three organs of purple sweet potato. Ethanol stem extract contained luteolin 7-O-glucoside, rutin, quercetin, kaempferol and apigenin. Rutin had the highest content, which was 0.399%.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

36098193

Citation

Insanu, Muhamad, et al. "Potential Antioxidative Activity of Waste Product of Purple Sweet Potato (Ipomoea Batatas Lam.)." Pakistan Journal of Biological Sciences : PJBS, vol. 25, no. 8, 2022, pp. 681-687.
Insanu M, Amalia R, Fidrianny I. Potential Antioxidative Activity of Waste Product of Purple Sweet Potato (Ipomoea batatas Lam.). Pak J Biol Sci. 2022;25(8):681-687.
Insanu, M., Amalia, R., & Fidrianny, I. (2022). Potential Antioxidative Activity of Waste Product of Purple Sweet Potato (Ipomoea batatas Lam.). Pakistan Journal of Biological Sciences : PJBS, 25(8), 681-687. https://doi.org/10.3923/pjbs.2022.681.687
Insanu M, Amalia R, Fidrianny I. Potential Antioxidative Activity of Waste Product of Purple Sweet Potato (Ipomoea Batatas Lam.). Pak J Biol Sci. 2022;25(8):681-687. PubMed PMID: 36098193.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Potential Antioxidative Activity of Waste Product of Purple Sweet Potato (Ipomoea batatas Lam.). AU - Insanu,Muhamad, AU - Amalia,Riza, AU - Fidrianny,Irda, PY - 2022/9/13/entrez PY - 2022/9/14/pubmed PY - 2022/9/15/medline KW - Antioxidant KW - CUPRAC KW - DPPH KW - organs KW - sweet potato SP - 681 EP - 687 JF - Pakistan journal of biological sciences : PJBS JO - Pak J Biol Sci VL - 25 IS - 8 N2 - Background and Objective: Antioxidants are substances that can deactivate free radicals. Phenol and flavonoid are antioxidant compounds widely found in plants, including purple sweet potato (Ipomoea batatas L.). This research aimed to investigate three purple sweet potato-based organs' antioxidative activity and flavonoid contents. Materials and Methods: Antioxidative activities, total phenolic content and total flavonoid content were performed by UV-visible spectrophotometry. Pearson's method analyzed the correlation of TPC and TFC with antioxidative activities and the correlation between two antioxidative testing methods. Results: Antioxidative activity of three organs purple sweet potato using DPPH method showed values varied from 6.572-290.894 mg AAE g1 and using CUPRAC method varied from 25.169-621.254 mg AAE g1. The highest TPC was found in ethanolic leaves extract (20.885 g GAE 100 g1), while the highest TFC was found in ethyl acetate leaves extract (10.048 g QE 100 g1). Conclusion: DPPH and CUPRAC tests revealed that purple sweet potato leaves, stem and tuber extracts were potent antioxidants. The potential antioxidative activity was found in the waste product of purple sweet potatoes (leaves and stem). Phenol and flavonoid compounds had contributors to antioxidative activity. DPPH and CUPRAC methods gave linear results for most of the antioxidative activity in three organs of purple sweet potato. Ethanol stem extract contained luteolin 7-O-glucoside, rutin, quercetin, kaempferol and apigenin. Rutin had the highest content, which was 0.399%. SN - 1812-5735 UR - https://www.unboundmedicine.com/medline/citation/36098193/Potential_Antioxidative_Activity_of_Waste_Product_of_Purple_Sweet_Potato__Ipomoea_batatas_Lam___ DB - PRIME DP - Unbound Medicine ER -