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1. Bio-electrical impedance analysis of “silk sweet” sweet potato tissues under low-temperature storage using a novel indicator, LTO

Author:
Watanabe, Takashi; Nakamura, Nobutaka; Sakamoto, Kohei; Nagata, Masayasu
Source:
Biosystems engineering 2021 v.206 pp. 1-5
ISSN:
1537-5110
Subject:
sweet potatoes,   etc   ; cold storage; electric impedance; storage temperature; sugars;     Show all 5 Subjects
Abstract:
... In this study, the specific changes in the electrical impedance properties of sweet potato tissues under low-temperature storage are reported. The tissue status was monitored by using an electrical indicator, LTO (which refers to the distance from the origin of the coordinate at the top of the circular arc of the corresponding Cole–Cole plot), and its variation was investigated at storage temperat ...
DOI:
10.1016/j.biosystemseng.2021.03.009

2. Novel alternative use of near-infrared spectroscopy to indirectly forecast 3D printability of purple sweet potato pastes

Author:
Chen, Jieling; Zhang, Min; Devahastin, Sakamon; Yu, Dongxing
Source:
Journal of food engineering 2021 v.296 pp. 110464
ISSN:
0260-8774
Subject:
sweet potatoes,   etc   ; near-infrared spectroscopy; neural networks; rheological properties; wavelengths;     Show all 5 Subjects
Abstract:
... Conventional assessment of whether a food material is suitable for 3D printing requires time-consuming rheological properties measurement. Here, a novel alternative use of near-infrared spectroscopy to forecast 3D printability of a food material is proposed; purple sweet potato pastes of different formulations were used as test materials. According to actual 3D printing experiments as well as prin ...
DOI:
10.1016/j.jfoodeng.2020.110464

3. Purple and Beige‐Fleshed Sweet Potato Starches Modified by Autoclaving

Author:
Paixão e Silva, Giselle de Lima; Bento, Juliana Aparecida Correia; Bataus, Luiz Artur Mendes; Soares Júnior, Manoel Soares; Caliari, Márcio
Source:
DieStärke = 2021 v.73 no.3-4 pp. e2000210
ISSN:
0038-9056
Subject:
sweet potatoes,   etc   ; autoclaving; gelatinization; solubility; viscosity; water uptake;     Show all 6 Subjects
Abstract:
... In this study, the effects on the morphological, functional, pasting, and thermal properties of purple (PSP) and beige (BSP)‐fleshed sweet potato starches, resulting from the application of the physical autoclave method (at 121 °C and 1.1 Kgf cm⁻²) under different moisture conditions and exposure times, are evaluated. The micrograph shows cracks on the surfaces of the starch granules exposed for 1 ...
DOI:
10.1002/star.202000210

4. Review of knowledge to guide product development and breeding for sweetpotato frying quality in West Africa

Author:
Carey, Edward E.; Ssali, Reuben; Low, Jan W.
Source:
International journal of food science & technology 2021 v.56 no.3 pp. 1410-1418
ISSN:
0950-5423
Subject:
sweet potatoes,   etc   ; markets; product development; roadsides; England; Western Africa;     Show all 6 Subjects
Abstract:
... This review provides background about sweetpotato in West Africa to identify the current importance and future potential of sweetpotato fried products in the region. We drew on global literature to consider current best practices and health aspects in addition to information from West Africa where frying in the form of large wedges or ‘chunk fries’ is predominant over other forms (i.e. chips (ofte ...
DOI:
10.1111/ijfs.14934

5. Exploring the metabolic changes in sweet potato during postharvest storage using a widely targeted metabolomics approach

Author:
Ren, Lei; Zhang, Tingting; Wu, Haixia; Ge, Yuxin; Zhao, Xuehong; Shen, Xiaodie; Zhou, Wuyu; Wang, Tianlong; Zhang, Yungang; Ma, Daifu; Wang, Aimin
Source:
Journal of food processing and preservation 2021 v.45 no.2 pp. e15118
ISSN:
0145-8892
Subject:
sweet potatoes,   etc   ; catabolism; cultivars; metabolites; metabolomics; nutritive value; postharvest storage;     Show all 7 Subjects
Abstract:
... Sweet potato is a globally important tuber crop valued for its high nutritional value. Following harvesting, the tubers are typically stored for up to several months, but little is known about the changes in global metabolites during this period. Here, a widely targeted metabolomics approach was used to analyze the metabolic changes in three sweet potato cultivars with different flesh colors durin ...
DOI:
10.1111/jfpp.15118

6. Evaluation of early vigor under direct planting cultivation in sweet potato

Author:
Sakaigaichi, Takeo; Kai, Yumi; Kobayashi, Akira; Suematsu, Keisuke
Source:
Plant production science 2021 v.24 no.1 pp. 118-122
ISSN:
1349-1008
Subject:
sweet potatoes,   etc   ; Japan; cultivars; dry matter accumulation; plant height; vigor;     Show all 6 Subjects
Abstract:
... Direct planting – in which small storage roots are planted instead of transplanting stem cuttings – has been studied as a labor-saving system in sweet potato. Early vigor is important for cultivars used in direct planting because it affects their ability to compete with weeds. In this study, the genotypic difference in early vigor was evaluated. Twelve genotypes were tested in 2018 and 2019. Days ...
DOI:
10.1080/1343943X.2020.1797511

7. Influence of ultrasonic pretreatments on drying kinetics and quality attributes of sweet potato slices in infrared freeze drying (IRFD)

Author:
Wu, Xiao-fei; Zhang, Min; Ye, Yufen; Yu, Dongxing
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2020 v.131 pp. 109801
ISSN:
0023-6438
Subject:
sweet potatoes,   etc   ; moisture diffusivity; ultrasonics;     Show all 3 Subjects
Abstract:
... The influence of ultrasound (US) application before infrared freeze drying (IRFD) on drying kinetics and quality characteristics of sweet potato samples was evaluated. Results indicated that the proper ultrasonic power could cause the formation of micro-channels and the production of a more porous matrix facilitating moisture diffusion and reduce the drying time in IRFD process. The US pretreatmen ...
DOI:
10.1016/j.lwt.2020.109801

8. Conveyor belt catalytic infrared as a novel apparatus for blanching processing applied to sweet potatoes in the industrial scale

Author:
Song, Xiaoqian; Yu, Xiaojie; Zhou, Cunshan; Xu, Baoguo; Chen, Li; ElGasim A. Yagoub, Abu; Emeka, Okonkwo Clinton; Wahia, Hafida
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.149 pp. 111827
ISSN:
0023-6438
Subject:
sweet potatoes,   etc   ; air; ascorbic acid; color; hardness; infrared radiation; irradiation; microstructure; peroxidase; phenols; phytochemicals; product quality;     Show all 12 Subjects
Abstract:
... In this study, effects of conveyor belt catalytic infrared blanching (CBCIRB) on peroxidase (POD), moisture reduction, physical and chemical properties, and microstructure of sweet potato slices were investigated. The parameters of CBCIRB were infrared irradiation distance (6, 12, and 18 cm), sample thickness (3, 5, and 7 mm), and conveyor speed (0.7, 0.35, 0.1 m/min, etc.). Meanwhile, the effect ...
DOI:
10.1016/j.lwt.2021.111827

9. Cold-water solubility, oil-adsorption and enzymolysis properties of amorphous granular starches

Author:
Fang, Chenlu; Huang, Junrong; Pu, Huayin; Yang, Qi; Chen, Zhiguang; Zhu, Zhenbao
Source:
Food hydrocolloids 2021 v.117 pp. 106669
ISSN:
0268-005X
Subject:
sweet potatoes,   etc   ; ambient temperature; amylose; corn; hydrocolloids; mung beans; peas; solubility; tapioca; throat; water; wheat;     Show all 12 Subjects
Abstract:
... Amorphous granular starches from six different botanical sources were obtained by heating starch suspensions in water at or near pasting temperature. Their morphology was divided into two types: one was ghost-like with openings on the surface (sweet potato, tapioca, wheat and maize starches), and the other was gel-like with the surface porous structures (mung bean and pea starches). Their mean par ...
DOI:
10.1016/j.foodhyd.2021.106669

10. Enhancement of continuous flow cooling using hydrophobic surface treatment

Author:
Stoforos, George N.; Rezaei, Farzad; Simunovic, Josip; Sandeep, K.P.
Source:
Journal of food engineering 2021 v.300 pp. 110524
ISSN:
0260-8774
Subject:
sweet potatoes,   etc   ; bananas; cheeses; cooling; heat; heat exchangers; heat transfer coefficient; hydrophobicity; stainless steel;     Show all 9 Subjects
Abstract:
... This study examined the effect of hydrophobic-surface treatment of tubular heat exchangers on cooling of viscous foods, namely sweet potato puree, banana puree, and cheese sauce. For the foods tested, cooling efficiency was compared between two identical tube-in-tube stainless-steel heat exchangers either untreated or treated with a hydrophobic chemical coating, Aculon. The average overall heat tr ...
DOI:
10.1016/j.jfoodeng.2021.110524

11. Integrating consumer perception in the selection of purple‐skin sweet potato cultivars

Author:
Lado, Joanna; Vicente, Esteban; Moltini, Ana Inés; Alcaire, Florencia; Ares, Gastón
Source:
Journal of the science of food and agriculture 2021 v.101 no.9 pp. 3620-3629
ISSN:
0022-5142
Subject:
sweet potatoes,   etc   ; ; agriculture; color; consumer attitudes; cultivars; sensation; sensory evaluation; sweetness; texture;     Show all 10 Subjects
Abstract:
... BACKGROUND: Sweet‐potato breeding programs need to integrate sensory characterization and hedonic perception to provide global markets with widely accepted products. The present work aimed to characterize a series of purple‐skin sweet potatoes differing in flesh coloration (from pale yellow to slight orange) from a sensory and physicochemical perspective. Uruguayan consumers' perceptions of the ge ...
DOI:
10.1002/jsfa.10991

12. Changes in polyphenols, anthocyanins, and DPPH radical-scavenging activities in sweetpotato (Ipomoea batatas L.) during tuber growth

Author:
Nakagawa, Soya; Ohmura, Ryo; Toshima, Saki; Park, Hyungjun; Narasako, Yosuke; Hirano, Tomonari; Otani, Motoyasu; Kunitake, Hisato
Source:
Scientia horticulturae 2021 v.284 pp. 110100
ISSN:
0304-4238
Subject:
sweet potatoes,   etc   ; 2,2-diphenyl-1-picrylhydrazyl; Ipomoea batatas; anthocyanins; antioxidants; cultivars; polyphenols;     Show all 7 Subjects
Abstract:
... Anthocyanins and polyphenols in the sweetpotato (Ipomoea batatas L.) have attracted attention due to their multiple physiological functions. Therefore, sweetpotato breeders have focused on increasing the anthocyanin and polyphenol contents. In this study, we investigated the diversity of anthocyanins, polyphenols, and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging activities in sweetpotat ...
DOI:
10.1016/j.scienta.2021.110100

13. Effects of different storage temperatures on the quality and shelf life of Malaysian sweet potato (Ipomoea Batatas L.) varieties

Author:
Sanchez, Philip Donald C.; Hashim, Norhashila; Shamsudin, Rosnah; Mohd Nor, Mohd Zuhair
Source:
Food packaging and shelf life 2021 v.28 pp. 100642
ISSN:
2214-2894
Subject:
sweet potatoes,   etc   ; Ipomoea batatas; color; principal component analysis; relative humidity; shelf life; water content; Malaysia;     Show all 8 Subjects
Abstract:
... In this study, we investigated the effects of different storage temperatures on the quality and shelf-life of Malaysian sweet potatoes in terms of moisture content (MC), soluble solids content (SSC), colour values (L*, a*, b*) and textural properties. Samples from the three locally-produced sweet potato varieties in Malaysia namely: Keledek Anggun 3 (V1), Keledek Jingga (V2), and Keledek Kuning (V ...
DOI:
10.1016/j.fpsl.2021.100642

14. Microwave-induced deformation behaviors of 4D printed starch-based food products as affected by edible salt and butter content

Author:
He, Chang; Zhang, Min; Devahastin, Sakamon
Source:
Innovative food science & emerging technologies 2021 v.70 pp. 102699
ISSN:
1466-8564
Subject:
sweet potatoes,   etc   ; butter; deformation; food science; microwave treatment; potatoes; restaurants; three-dimensional printing; viscosity;     Show all 9 Subjects
Abstract:
... Due to increased interest in directional deformation of 3D printed products, any novel means to induce such a deformation is of interest. Here, microwave dehydration as external stimulus was applied to prepare 4D printed starch-based food products with directional bending deformation. First, the effects of solid content of purple sweet potato paste (PSPP) and mashed potato (MP) were investigated; ...
DOI:
10.1016/j.ifset.2021.102699

15. Modeling respiration rate of fresh-cut sweet potato (Anggun) stored in different packaging films

Author:
Azhar Shapawi, Zahrah-Izati; Ariffin, Siti Hajar; Shamsudin, Rosnah; Mohamed Amin Tawakkal, Intan Syafinaz; Gkatzionis, Konstantinos
Source:
Food packaging and shelf life 2021 v.28 pp. 100657
ISSN:
2214-2894
Subject:
sweet potatoes,   etc   ; cell respiration; color; enzyme kinetics; nylon; polyethylene; polyethylene terephthalates; shelf life; texture;     Show all 9 Subjects
Abstract:
... This study is to model the respiration rate and to evaluate the quality attributes of fresh-cut Anggun stored at different storage and packaging treatments. Fresh-cut Anggun was packed in three different packaging films; nylon (OTR: 55 cc/m²/day, WTR: 334 g/m²/day), polyethylene terephthalate, PET (OTR: 90 cc/m²/day, WTR: 35 g/m²/day), and low-density polyethylene, LDPE (OTR: 8000 cc/m²/day, WTR: ...
DOI:
10.1016/j.fpsl.2021.100657

16. Selection of new sweet potato genotypes based on production parameters, physical root characteristics and resistance to Euscepes postfasciatus

Author:
Leal, Murilo Henrique Souza; Zeist, André Ricardo; Rodrigues Júnior, Nilson; Silva Júnior, André Dutra; Arantes, José Henrique Verhalem; Garcia Neto, Jair; de Pieri, Julia Roberta Sanches; Perrud, Amanda Carvalho
Source:
Journal of crop science and biotechnology 2021 v.24 no.3 pp. 349-360
ISSN:
1975-9479
Subject:
sweet potatoes,   etc   ; Euscepes postfasciatus; Ipomoea batatas; biotechnology; crosslinking; experimental design; malnutrition; soil;     Show all 8 Subjects
Abstract:
... Sweet potato (Ipomoea batatas L.) is a root that allows healthy eating and combats malnutrition. There is a need for more productive sweet potato genotypes displaying good resistance and a favorable appearance and shape. New genotypes that are more productive, resistant to the main soil pests and with good physical characteristics would contribute to meet the needs of producers and the demands of ...
DOI:
10.1007/s12892-020-00083-0

17. Effect of spray drying on the polyphenolic compounds present in purple sweet potato roots: Identification of new cinnamoylquinic acids

Author:
Chamorro, Susana; Cueva-Mestanza, Ruben; de Pascual-Teresa, Sonia
Source:
Food chemistry 2021 v.345 pp. 128679
ISSN:
0308-8146
Subject:
sweet potatoes,   etc   ; 4-hydroxybenzoic acid; Ipomoea batatas; anthocyanins; cyanidin; food chemistry; glucose; pelargonidin; polyphenols; Peru;     Show all 10 Subjects
Abstract:
... The effect of spray drying on the different polyphenolic compounds present in the root of a purple-fleshed sweet potato variety of Ipomoea batatas native from Peru was performed by HPLC-QTOF-MSMS. Nine anthocyanins, including four peonidin, three cyanidin and two pelargonidin derivatives glycosylated with sophorose and/or glucose and acylated with caffeic, ferulic and p-hydroxybenzoic acid were id ...
DOI:
10.1016/j.foodchem.2020.128679

18. Induction of Somatic Embryogenesis and Organogenesis in Zimbabwean Sweet Potato (cv Brondal)

Author:
Masekesa, Rose T.; Gasura, Edmore; Kujeke, Gaudencia T.; Ngadze, Elizabeth; Chidzwondo, Farisai
Source:
Advances in agriculture 2021 v.2021
ISSN:
2314-7539
Subject:
sweet potatoes,   etc   ; 2,4-D; agriculture; callus; germination; kinetin; leaves; organogenesis; plantlets; somatic embryogenesis;     Show all 10 Subjects
Abstract:
... Somatic embryogenesis (SE) and organogenesis are crucial in the development of disease free plants and genetic engineering. An investigation was conducted on the ability of treatments containing a combination of 2,4-D and Kinetin to induce either SE or organogenesis from cultured sweet potato cv Brondal leaves. Ten treatments were evaluated and each treatment had an exclusive combination of 2,4-D ...
DOI:
10.1155/2021/9976800

19. Do Market-oriented Engendered Agriculture-health Interventions Affect Household Nutrition Outcomes: Evidence from an Orange-fleshed Sweetpotato Project in Rwanda

Author:
Bocher, Temesgen F.; Okello, Julius Juma; Sindi, Kirimi; Nshimiyimana, Jean Claude; Muzhingi, Tawanda; Low, Jan W.
Source:
Ecology of food and nutrition 2021 v.60 no.3 pp. 304-323
ISSN:
1543-5237
Subject:
sweet potatoes,   etc   ; biofortification; ecology; econometrics; farms; food consumption; food security; gender; malnutrition; nutritional status; Rwanda;     Show all 11 Subjects
Abstract:
... The number of agricultural interventions promoting biofortified crops as a strategy to combat micronutrient malnutrition have increased significantly during the past decade. These interventions aim to improve the intake of key nutrients and sometimes other nutrition outcomes. In this study, we assess the impact of a market-oriented gender-sensitive agriculture-health project on household food cons ...
DOI:
10.1080/03670244.2020.1845165

20. Quality Attributes of Malaysia Purple-Fleshed Sweet Potato at Different Peel Condition

Author:
Shaari, Nurfarhana; Shamsudin, Rosnah; Nor, Mohd Zuhair Mohd; Hashim, Norhashila
Source:
Agronomy 2021 v.11 no.5
ISSN:
2073-4395
Subject:
sweet potatoes,   etc   ; agronomy; amylose; ascorbic acid; cultivars; flour; healthy diet; nutritive value; Malaysia;     Show all 9 Subjects
Abstract:
... In this study, physical and chemical properties (dry matter, ash, moisture, protein, fat, fiber, carbohydrate, starch, amylose, and vitamin C) of sweet potato tuber and flour of Anggun 1 cultivar were evaluated at different conditions. During peeling, the tuber and flour were processed subjected to three different conditions, which were unpeeled tubers (C1), peeled tubers (C2), and skin of tuber o ...
DOI:
10.3390/agronomy11050872