Overexpression of theIbMYB1gene in an orange-fleshed sweet potato cultivar produces a dual-pigmented transgenic sweet potato with improved antioxidant activity

2014 ◽  
Vol 153 (4) ◽  
pp. 525-537 ◽  
Author(s):  
Sung-Chul Park ◽  
Yun-Hee Kim ◽  
Sun Ha Kim ◽  
Yu Jeong Jeong ◽  
Cha Young Kim ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Sweet Potato ◽  
Potato Cultivar ◽  
Orange Fleshed Sweet Potato

Effects of cooking process on carotenoids and antioxidant activity of orange-fleshed sweet potato

LWT ◽  
2019 ◽  
Vol 104 ◽  
pp. 134-141 ◽  
Author(s):  
Vamougne Kourouma ◽  
Tai-Hua Mu ◽  
Miao Zhang ◽  
Hong-Nan Sun
Keyword(s):  
Antioxidant Activity ◽  
Sweet Potato ◽  
Cooking Process ◽  
Orange Fleshed Sweet Potato

scholarly journals Total Polyphenol Content, Antioxidant Activity, and Individual Phenolic Composition of Different Edible Parts of 4 Sweet Potato Cultivars

2020 ◽  
Vol 15 (7) ◽  
pp. 1934578X2093693
Author(s):  
Shadrack Isaboke Makori ◽  
Tai-Hua Mu ◽  
Hong-Nan Sun
Keyword(s):  
Antioxidant Activity ◽  
Sweet Potato ◽  
Potato Cultivar ◽  
Potato Cultivars ◽  
Anthocyanin Content ◽  
Polyphenol Content ◽  
Total Polyphenol ◽  
Total Anthocyanin ◽  
Total Polyphenol Content ◽  
Edible Parts

The quest to determine and use polyphenolic compounds present in fruits and vegetables as natural antioxidants has recently attracted much attention due to their beneficial health effects. In this study, the total polyphenol content (TPC), total flavonoid content (TFC), total anthocyanin content (TAC), antioxidant activity (AA), and individual polyphenol components of Simon No. 1, Yuzi No. 7, Shangshu 19, and Pushu 32 sweet potato cultivars (edible parts: leaf, stalk, stem, skin, and flesh) were investigated. TPC, TFC, and TAC values ranged from 440 ± 0.17-12080 ± 0.58 CAE mg/100 g DW, 94 ± 0.08-4210 ± 0.74 QE mg/100 g DW, and 7 ± 0.01-1010 ± 0.54 CGE mg/100 g DW, respectively. Yuzi No. 7 sweet potato cultivar contained significantly higher amounts of TPC, TFC, TAC, and AA in all its edible parts, followed by Pushu 32, Simon No. 1, and Shangshu 19 in that order. Regardless of the sweet potato cultivar used, TPC, TFC, and TAC of sweet potato leaves were significantly higher than those of other edible parts. High-performance liquid chromatography revealed 19 individual phenolic compounds. In general, 3,5-di- O-caffeoylquinic acid, astragalin, and cyanidin were the predominant phenolic acid, flavonoid, and anthocyanin compounds, respectively. The correlation analysis suggested that higher AA could be attributed to higher polyphenol content. Based on our results, edible parts of Yuzi No. 7 sweet potato cultivar presented the highest amounts of polyphenol content and AA suggesting the possibility of utilizing this cultivar by farmers and the food industry as a functional food product.

scholarly journals De NovoTranscriptome Sequencing of the Orange-Fleshed Sweet Potato and Analysis of Differentially Expressed Genes Related to Carotenoid Biosynthesis

2015 ◽  
Vol 2015 ◽  
pp. 1-10 ◽  
Author(s):  
Ruijie Li ◽  
Hong Zhai ◽  
Chen Kang ◽  
Degao Liu ◽  
Shaozhen He ◽  
...  
Keyword(s):  
Sweet Potato ◽  
Differentially Expressed Genes ◽  
Ipomoea Batatas ◽  
High Throughput Sequencing ◽  
Average Length ◽  
Potato Cultivar ◽  
Carotenoid Biosynthesis ◽  
Differentially Expressed ◽  
Carotenoid Content ◽  
Orange Fleshed Sweet Potato

Sweet potato,Ipomoea batatas(L.) Lam., is an important food crop worldwide. The orange-fleshed sweet potato is considered to be an important source of beta-carotene. In this study, the transcriptome profiles of an orange-fleshed sweet potato cultivar “Weiduoli” and its mutant “HVB-3” with high carotenoid content were determined by using the high-throughput sequencing technology. A total of 13,767,387 and 9,837,090 high-quality reads were produced from Weiduoli and HVB-3, respectively. These reads werede novoassembled into 58,277 transcripts and 35,909 unigenes with an average length of 596 bp and 533 bp, respectively. In all, 874 differentially expressed genes (DEGs) were obtained between Weiduoli and HVB-3, 401 of which were upregulated and 473 were downregulated in HVB-3 compared to Weiduoli. Of the 697 DEGs annotated, 316 DEGs had GO terms and 62 DEGs were mapped onto 50 pathways. The 22 DEGs and 31 transcription factors involved in carotenoid biosynthesis were identified between Weiduoli and HVB-3. In addition, 1,725 SSR markers were detected. This study provides the genomic resources for discovering the genes involved in carotenoid biosynthesis of sweet potato and other plants.

Internal gas atmospheres, ethanol, and leakage of electrolytes from a flood-tolerant and a flood-susceptible sweet potato cultivar as influenced by anaerobiosis

1983 ◽  
Vol 61 (12) ◽  
pp. 3399-3404 ◽  
Author(s):  
Ling A. Chang ◽  
Larry K. Hammett ◽  
David M. Pharr
Keyword(s):  
Sweet Potato ◽  
Electrolyte Leakage ◽  
Potato Cultivar ◽  
Enriched Environment ◽  
Potato Cultivars ◽  
Susceptible Cultivar ◽  
Low Concentrations ◽  
Gas Atmosphere ◽  
High Concentrations

The postanaerobic behavior of sweet potato roots from a flood-tolerant cultivar, 'Centennial,' and a flood-susceptible cultivar, 'Caromex,' was studied. High concentrations of CO2 and low concentrations of O2 were present in the internal atmosphere of 'Caromex' roots even after the anaerobically pretreated roots were restored to air for a few days, whereas in 'Centennial,' the internal gas atmosphere was less affected by anoxia. Ethanol accumulation in 'Caromex' was consistently higher than in 'Centennial,' and the postanaerobic changes were different between cultivars. An inducation of electrolyte leakage was observed from both cultivars immediately after roots were exposed to a CO2-enriched environment for 48 h. The leakage became greater in 'Caromex' after a 3-day aerobic exposure. In 'Centennial,' leakage of electrolytes due to CO2 treatment diminished at the end of 3 days. Application of ethanol to the discs had no immediate effect on electrolyte leakage in either cultivar under a N2 environment. However, anaerobiosis alone resulted in higher electrolyte leakage. It remains to be determined that the postanaerobic patterns of 'Caromex' and 'Centennial' are characteristic of flood-susceptible and flood-tolerant sweet potato cultivars in general.

Orange-fleshed sweet potato flour as a precursor of aroma and color of sourdough panettones

LWT ◽  
2019 ◽  
Vol 101 ◽  
pp. 145-151
Author(s):  
Ana Paula Aparecida Pereira ◽  
Maria Teresa Pedrosa Silva Clerici ◽  
Marcio Schmiele ◽  
Luis Carlos Gioia Júnior ◽  
Marina Akemi Nojima ◽  
...  
Keyword(s):  
Sweet Potato ◽  
Potato Flour ◽  
Sweet Potato Flour ◽  
Orange Fleshed Sweet Potato
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