The effect of isolation method on properties of parota (Enterolobium cyclocarpum) starch

Estrada‐León, Raciel Javier; Moo-Huchin, Víctor M.; Ríos-Soberanis, Carlos Rolando; Betancur‐Ancona, David; May-Hernández, L.H.; Carrillo-Sánchez, F.A.; Cervantes‐Uc, José Manuel; Pérez‐Pacheco, Emilio

doi:10.1016/j.foodhyd.2016.01.008

Cited by 53 publications

(57 citation statements)

References 37 publications

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“…These results indicated that the Na 2 S 2 O 5 and NaOH treatment had no effect on the double-helical order of starch in granule external region. Similar results are also reported in parota starches isolated using H 2 O, sodium bisulfite and acid steeping [ 17 ].…”

Section: Resultssupporting

confidence: 88%

“…The color values of isolated starches are presented in Table 1 . The color is one physical property of starch, and the whiteness is an important criterion in evaluating starch quality [ 17 ]. For starches extracted with H 2 O, the color was significantly different among the three varieties.…”

Section: Resultsmentioning

confidence: 99%

“…Many studies have shown that extraction media affect the structural and functional properties of starch [ 16 , 17 , 18 ]. Based on our knowledge, the effects of isolation media on the structural and functional properties of starches from different colored root tubers are unclear.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Different Isolation Media on Structural and Functional Properties of Starches from Root Tubers of Purple, Yellow and White Sweet Potatoes

Guo

Liu

et al. 2018

Molecules

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Different-colored sweet potatoes have different contents of pigments and phenolic compounds in their root tubers, which influence the isolation of starch. It is important to justify the identification of the most suitable isolation medium of starch from different colored root tubers. In this study, starches were isolated from root tubers of purple, yellow and white sweet potatoes using four different extraction media, including H2O, 0.5% Na2S2O5, 0.2% NaOH, and both 0.5% Na2S2O5 and 0.2% NaOH. Their structural and functional properties were investigated and compared among different extraction media. The results showed that the granule size, apparent amylose content, lamellar peak intensity, thermal properties, and pasting properties were different among different-colored sweet potatoes due to their different genotype backgrounds. The four extraction media had no significant effects on starch structural properties, including apparent amylose content, crystalline structure, ordered degree, and lamellar peak intensity, except that the NaOH and Na2S2O5 treatment were able to increase the whiteness of purple and yellow sweet potato starches. The different extraction media had some effects on starch functional properties, including thermal properties, swelling power, water solubility, and pasting properties. The above results indicated that the H2O was the most suitable extraction medium to simply and fast isolate starch from root tubers of different-colored sweet potatoes.

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Section: Resultssupporting

confidence: 88%

Section: Resultsmentioning

confidence: 99%

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Effects of Different Isolation Media on Structural and Functional Properties of Starches from Root Tubers of Purple, Yellow and White Sweet Potatoes

Guo

Liu

et al. 2018

Molecules

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“…For SEM observation, the isolated SGs were dehydrated with ethanol or acetone; thus, the moisture released from the SG interior may affect the shape and surface of the SGs (Zhang et al, ). It was found that drying methods (Wang, Liu, & Wang, ) and isolation methods (Estrada‐León et al, ) differentially affected the surface morphology and physiochemical properties of the SGs. Compared with previous methods, our ATS was mild, and the shape of the isolated SGs was similar.…”

Section: Discussionmentioning

confidence: 99%

A rapid and universal method for isolating starch granules in plant tissues

Niu

Ding

Hao

et al. 2019

Plant Cell & Environment

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Starch is the major form of carbohydrate storage in plants and exists as discrete starch granules (SGs). Isolation of high-quality SGs in different plant tissues is a prerequisite for studying the roles of SGs during plant growth, development, and responses to abiotic stress. However, it is difficult to isolate transitory SGs from leaves and storage SGs from pollen grains due to their small sizes and low quantities. Herein, we develop a novel method for isolating SGs by using the aqueous two-phase system (ATS) of ethanol/NaH 2 PO 4 . The ATS method efficiently separated SGs from contaminants based on their differences in density, solubility, and polarity. Using this method, we first isolated and purified three kinds of SGs from maize seeds, pollen, and leaves. The biochemical, microscopic, and proteomic analyses demonstrated the high purity of the isolated SGs. Proteomic analysis revealed distinct differences in SG-bound proteins between seed SGs and pollen SGs. As a simple, rapid, and low-cost method, the ATS-based method exhibits highly universal and reproducible results for starch-containing tissues in various plant species.

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“…Nonconventional sources of starch have attracted much attention, given their diversity of properties, which allow their application in different industries, including the food industry. Table 1 shows the amylose content, granule size, and gelatinization temperature of a few starches from nonconventional sources such as chestnut [15], kudzu [16], ramon [17], chayote [18], -parota [19], makal [20], sorghum [21], mango [22], and okenia [23], which could be considered for the production of biodegradable materials. In general, the new botanical sources are always widely available in the countries, which produce them.…”

Section: Starchmentioning

confidence: 99%

Thermoplastic Starch (TPS)‐Cellulosic Fibers Composites: Mechanical Properties and Water Vapor Barrier: A Review

Pérez‐Pacheco¹,

Canto-Pinto²,

ManuelMoo‐Huchin³

et al. 2016

Composites From Renewable and Sustainable Materials

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Current research studies have been focusing on the procurement of environmentally friendly materials, with the aim of resolving the problems created by materials derived from petroleum. Starch is a promising biopolymer for producing biocomposite materials because it is renewable, completely biodegradable, and easily available at a low cost. Thermoplastic starch (TPS), by itself, exhibits poor mechanical properties such as low tensile strength and severe deformations, which limits its application in packaging or films. In addition, TPS presents high hygroscopicity. The use of reinforcing agents in the starch matrix is an effective means to overcome these drawbacks and several types of biodegradable reinforcements, such as cellulosic fibers, whiskers, and nanofibers, have been utilized to develop new and inexpensive starch biocomposites. This chapter provides the latest advances in green composite materials based on TPS and cellulose fibers and includes information on compositions, preparations, and the properties of "green" composite materials elaborated from TPS and cellulose fibers, with the focus on using undervalued natural resources.

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The effect of isolation method on properties of parota (Enterolobium cyclocarpum) starch

Cited by 53 publications

References 37 publications

Effects of Different Isolation Media on Structural and Functional Properties of Starches from Root Tubers of Purple, Yellow and White Sweet Potatoes

Effects of Different Isolation Media on Structural and Functional Properties of Starches from Root Tubers of Purple, Yellow and White Sweet Potatoes

A rapid and universal method for isolating starch granules in plant tissues

Thermoplastic Starch (TPS)‐Cellulosic Fibers Composites: Mechanical Properties and Water Vapor Barrier: A Review

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