Total Phenolics and Anthocyanins Contents and Antioxidant Activity in Four Different Aerial Parts of Leafy Sweet Potato (Ipomoea batatas L.)

Jia, Ruixue; Tang, Cuiming; Chen, Jingyi; Zhang, Xiongjian; Wang, Zhangying

doi:10.3390/molecules27103117

Cited by 10 publications

(8 citation statements)

References 56 publications

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“…The mineral and vitamin composition of purple sweet potato leaves is higher than spinach, cabbage, asparagus, broccoli, and another vegetable [24]. These purple sweet potato leaves as green vegetables are rich in phytochemicals and abundant polyphenols, but in some countries even in Jayapura itself, most of them are discarded and used as animal feed because the leaves when consumed feel hard [8,[16][17][18] The mineral and vitamin composition of purple sweet potato leaves can be seen in Table 1.…”

Section: Discussionmentioning

confidence: 99%

“…The presence of antisionins, flavonoids, and polyphenols in purple sweet potato leaves has provided health benefits including anti-cancer [9] anti-modulation [10], antimutagenic [11], antihypertensive [12], antidiabetic [13], heart and liver protection [14,15]. As a phytochemicalenriched green vegetable, purple sweet potato (Ipomoea batatas .L) leaves are popular in many countries, but a study [8], found the fact that purple sweet potato leaves, which are abundant in polyphenols, are underutilized, while also in some countries purple sweet potato leaves are not known for their benefits and use so that these leaves are mostly discarded and used as livestock food [12,16,17] as well as in Jayapura the tubers are utilized but the leaves are not consumed and are only used as fodder, while in the community many are malnourished. Sweet potato leaves are a cheap and [18].…”

Section: Introductionmentioning

confidence: 99%

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Identification and quantification of minerals and vitamins of purple sweet potato (Ipomoea batatas) leave

Ranteallo,

Ahmad,

Syam

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Purple sweet potato leaves are abundant in polyphenols, antisionins, flavonoids, and other nutrients that are higher than other varieties and green vegetables and are very good for health but reports on mineral and vitamin content are still very rare even in many places including Jayapura are less aware of the benefits and uses of these leaves, while around many are malnourished, especially in pregnancy. The purpose of this study, namely Identifying and measuring, and analyzing the mineral and vitamin content of purple sweet potato leaves. To extract Fe, Zn, Cu, and Mn using the ICP-MS method. K, Ca, Mg, and Na using the AAS method while P, B-Carotene, and Vitamin C using the Spectrophotometric method. The results of this study were Fe (22,014.5 µg/100g), Zn (1,999.9 µg/100g), Cu (5 µg/100g), Mn (3,902.6 µg/100g), K (1,786,556 µg/100g), Ca (258,824 µg/100g), Mg (164,839 µg/100g), Na (305,531µg/100g), P (98,278 µg/100g). Vitamin C (300.845 µg/100g), B.Carotene (585.829 µg/100g). This study concludes that the minerals and vitamins of Koya Koso Jayapura purple sweet potato leaves are proven to be very high, and can be used as additional food and treatment for micronutrient deficiencies, especially for pregnant women. Suggestions for future researchers to identify more minerals and vitamins in these purple sweet potato leaves.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Identification and quantification of minerals and vitamins of purple sweet potato (Ipomoea batatas) leave

Ranteallo,

Ahmad,

Syam

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Tere was a large variation in the phenolics content among the sweet potato varieties [27], and the contents of phenolic acid derivatives are described in Table 6 and Figure 2. 3,5-dicafeoylquinic acid was the dominant phenolic acid derivative in all varieties.…”

Section: Bioactive Chemicalsmentioning

confidence: 97%

Comparison of Nutrients and Antioxidant Activities in Sweet Potatoes

Xi-You,

Rong-Jiao,

Xin-Yu

et al. 2024

Journal of Food Biochemistry

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Sweet potato has played an important role in human diets for centuries. Sweet potato is an excellent source of nutrients and natural health-promoting chemicals such as carotenoids, vitamin C, and polyphenols. In this article, we selected forty-eight sweet potato cultivars to evaluate the contents of proximate compositions, phytochemicals, and total antioxidative capacity (TAC). In addition, the sensory taste test was conducted as well. The concentrations of chemical constituents varied significantly among the 48 cultivars. The starch content ranged from 10.58% to 28.08%. The protein concentration was between 2.00% and 12.16%. A noticeable variability was found in vitamin C (8.17–66.09 mg·100 g−1), total polyphenols (0.32–13.82 µg·g−1), and carotenoids (0.22–559.70 µg·g−1). 3,5-dicaffeoylquinic acid was the dominant phenolic acid derivative in all varieties, followed by chlorogenic acid. The content ranges of 3,5-dicaffeoylquinic acid and chlorogenic acid were 0.41–92.18 µg·100 g−1 and 1.59–63.98 µg·100 g−1, respectively. Remarkable DPPH (0.19–0.59 µg·g−1) and ABTS+ (0.19–1.42 µg·g−1) antioxidant activities were also observed in these sweet potatoes. TAC was related to vitamin C, carotenoids, total polyphenols, and caffeic acid derivatives. The purple flesh cultivars, especially Mianzishu-9, Jiheishu-1, and Qianshu-18-5-1, rich in protein, starch, and antioxidants, had immense potential to improve malnutrition and hidden hunger. The dark orange flesh cultivars Hongxiangjiao and Ziyunhongxinshu performed best in sensory taste evaluation, but the nutrients and antioxidant effects were ordinary. These cultivars were suitable for enriching the human food systems.

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“…Nutritional analysis was conducted using standard methods [33] for dry matter (DM), ash, crude protein, and ether extract. Neutral detergent ber (NDF) and acid detergent ber (ADF) were determined using the methods outlined by Goering and Van Soest [35]. A sample of 20g of fresh silage was squeezed with 180mL distilled water using a blender at a higher speed for 30 sec [16].…”

Section: Nutritional Analysismentioning

confidence: 99%

Metabolomic and microbial changes reveal the biotransformation of Calotropis gigantea into silage

Ayemele

Wang

Zhao

et al. 2022

Preprint

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Background: We recently reported that Calotropis gigantea could be used as a potential functional feed additive to specifically inhibit the detrimental rumen protozoa without impairing the fermentation traits. Meanwhile, to ensure the applicability at the farm level, bio-transforming Calotropis gigantea (giant milkweed, GM) into silage is of an utmost requisite which constitutes a long-term biological preservation. This study aimed at investigating the metabolite and microbiota profiles that can lead to the bio-transformation of Calotropis gigantea into silage, after supplementing fermentative bacteria and sucrose.Results: After ensiling, several metabolites like 3,4'-dihydroxybenzoic acid ethyl ester, 2-hydroxyethylphosphonic acid, 3,4'-dihydroxy-3',5'-dimethoxypropiophenone, vnilloylmalic acid, sedoheptulose, 2-hydroxy-3,5-dinitrobenzoic acid, L-arginine, putrescine, methyl linolenate and calactin were up-regulated while other like 2’-o-methyladenosine, xanthosine, 2-hydroxy-2-methyl propyl glucosinolate and isopentenyl adenine-7-N-glucoside were down-regulated making GM ensiling a biological process to manipulate the metabolite composition and structure for therapeutic needs. This was possible after the colonization by bacteria species like Bacteriodes salanitronis, B. plebeius, B. barnesiae, B. vulgatus, B. caecicola, Prevotella copri, Megamonas hypermegale, Olsenella sp. which increased in ensiling samples with Lactobacillus buchneri specifically found only in ensiled and inoculated samples. The "biosynthesis of secondary metabolites" was the KEGG pathway induced by the highest number of studied GM metabolites. PICRUSt2 identified the "brite hierarchies" as the more expressed microbial functional group and "human diseases and organismal systems" the least expressed one. Conclusion: These findings provide a fundamental description of the microbiota colonizing the plant GM for a successful ensiling process that induced a remarkable metabolomic changes. The cause and effect relationship predicted several metabolic pathways and the contribution of the microbiota profile to the biosynthesis of functional metabolites. Understanding the specific mechanisms modulated by the colonizing bacteria and fungi underpinning the bio-transformation into silage deserves further studies.

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Total Phenolics and Anthocyanins Contents and Antioxidant Activity in Four Different Aerial Parts of Leafy Sweet Potato (Ipomoea batatas L.)

Cited by 10 publications

References 56 publications

Identification and quantification of minerals and vitamins of purple sweet potato (Ipomoea batatas) leave

Identification and quantification of minerals and vitamins of purple sweet potato (Ipomoea batatas) leave

Comparison of Nutrients and Antioxidant Activities in Sweet Potatoes

Metabolomic and microbial changes reveal the biotransformation of Calotropis gigantea into silage

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