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1. Kinetics and isotherm modeling of azoxystrobin and imidacloprid retention in biomixtures

Author:
Kumari, Anu; Mandal, Abhishek; Singh, Neera
Source:
Journal of environmental science and health 2019 v.54 no.2 pp. 118-128
ISSN:
1532-4109
Subject:
rice; rice straw,   etc   ; adsorption; azoxystrobin; imidacloprid; models; peat; sorption isotherms;     Show all 8 Subjects
Abstract:
... The paper reports the kinetics and adsorption isotherm modeling for imidacloprid (IMIDA) and azoxystrobin (AZOXY) in rice straw (RS)/corn cob (CC) and peat (P)/compost (C) based biomixtures. The pseudo-first-order (PFO), pseudo-second-order (PSO), Elovich and intraparticle diffusion models were used to describe the kinetics. The adsorption data were subjected to the Langmuir and the Freundlich iso ...
DOI:
10.1080/03601234.2018.1507230

2. DEM study of white rice separation in an indented cylinder separator

Author:
Meng, Xiangyi; Jia, Fuguo; Qiu, Hualong; Han, Yanlong; Zeng, Yong; Xiao, Yawen; Chen, Peiyu
Source:
Powder technology 2019 v.348 pp. 1-12
ISSN:
0032-5910
Subject:
rice,   etc   ; industry; powders; probability distribution;     Show all 4 Subjects
Abstract:
... The precise separation of whole and broken rice is an issue of great significance in rice processing industry. This paper presents a numerical study on the rice separation in an indented cylinder separator based on the discrete element method. The probability density function of escape angle of whole and broken rice was investigated at 10% filling level for various rotational speeds and indent num ...
DOI:
10.1016/j.powtec.2019.03.013

3. Combined speed and duration of milling affect the physicochemical properties of rice flour

Author:
Qiu, Chen; Li, Peng; Li, Zijun; Corke, Harold; Sui, Zhongquan
Source:
Food hydrocolloids 2019 v.89 pp. 188-195
ISSN:
0268-005X
Subject:
brown rice; glutinous rice; rice flour,   etc   ; digestibility; hydrocolloids; milling; pasting properties; solubility; swelling (materials); thermal properties; viscosity;     Show all 11 Subjects
Abstract:
... The properties of flour from polished rice that had been subjected to various milling conditions were investigated. Waxy, low- and high-amylose rice were milled at different speeds (1050, 950, and 750 r/min) for different durations (20, 40 and 60 s). The swelling power was increased with milling duration and speed compared to brown rice flour. The solubility of milled waxy rice flour was substanti ...
DOI:
10.1016/j.foodhyd.2018.10.042

4. How amylose molecular fine structure of rice starch affects functional properties

Author:
Tao, Keyu; Li, Cheng; Yu, Wenwen; Gilbert, Robert G.; Li, Enpeng
Source:
Carbohydrate polymers 2019 v.204 pp. 24-31
ISSN:
0144-8617
Subject:
rice; rice flour; rice starch,   etc   ; Oryza sativa; amylopectin; amylose; biosynthesis; gel chromatography; pasting properties; thermal properties; viscosity;     Show all 11 Subjects
Abstract:
... Starch molecular fine structure can have significant effects on pasting and thermal properties of rice flour. This study investigates the mechanistic explanation of these effects, by obtaining data for rice flour with different starch fine structures. Starch structural parameters for both amylose and amylopectin were obtained using size-exclusion chromatography (SEC, a type of gel-permeation chrom ...
DOI:
10.1016/j.carbpol.2018.09.078

5. CRISPR enables directed evolution in plants

Author:
Zhang, Yingxiao; Qi, Yiping
Source:
Genome biology 2019 v.20 no.1 pp. 83
ISSN:
1474-760X
Subject:
rice,   etc   ; crops; directed evolution; gene editing;     Show all 4 Subjects
Abstract:
... A proof-of-concept study has demonstrated the application of CRISPR-Cas9 for directed evolution in rice, engineering crops for desired traits. ...
DOI:
10.1186/s13059-019-1693-4

6. Low grain sink activity imposed by potassium deficiency aggravates loss in quality of rice (Oryza sativa L.) infected with natural sheath rot disease

Author:
Zhang, Jianglin; Pan, Yonghui; Li, Yuwei; Ren, Tao; Cong, Rihuan; Lu, Jianwei; Li, Xiaokun
Source:
Journal of cereal science 2019 v.87 pp. 31-38
ISSN:
0733-5210
Subject:
rice,   etc   ; Oryza sativa; milling; nutrition; potassium;     Show all 5 Subjects
Abstract:
... This study investigated the effects of grain sink activity regulated by potassium (K) nutrition during sheath rot disease (ShR) infection on rice milling and appearance quality. We quantified the instantaneous grain sink activity and showed that K application had no significant effects on rice milling and appearance quality in the absence of ShR infection. However, K deficiency substantially aggra ...
DOI:
10.1016/j.jcs.2019.02.010

7. Development of a generator-powered self-propelled automatic tray loading/unloading machine for use in rice nurseries

Author:
Chiu, Yi-Chich; Wu, Gang-Jhy; Chen, Chi-Hui
Source:
Engineering in agriculture, environment and food 2019 v.12 no.2 pp. 256-263
ISSN:
1881-8366
Subject:
rice,   etc   ; automation; labor; seedlings; trays; villages;     Show all 6 Subjects
Abstract:
... The objective of this study was to develop a generator-powered self-propelled automatic tray loading/unloading machine for rice seedling nurseries by using a gantry as the transport system to automate seedling tray placement and harvesting. During input operations, seedling trays are transported by conveyor belts to the nursery, and the tray loading/unloading machine automatically places the trays ...
DOI:
10.1016/j.eaef.2019.02.002

8. Lazy rice in space: gravity regulates helical movement in plants

Author:
Baral, Anirban
Source:
Physiologia plantarum 2019 v.165 no.3 pp. 448-450
ISSN:
0031-9317
Subject:
rice,   etc   ; coleoptiles; embryophytes; microgravity; mutants; nutation; seedlings;     Show all 7 Subjects
Abstract:
... Circumnutation, the helical movement of organs, has been observed in diverse species of land plants. Whether circumnutation arises purely from internal growth oscillations or as a response to exogenous forces such as gravity is a subject of active debate. By observing rice seedlings grown under microgravity at the International Space Station (ISS) and analyzing the agravitropic lazy1 mutant, Kobay ...
DOI:
10.1111/ppl.12925

9. Quality attributes of parboiled rice prepared with a parboiling process using a rotating sieve system

Author:
Srisang, Naruebodee; Chungcharoen, Thatchapol
Source:
Journal of cereal science 2019 v.85 pp. 286-294
ISSN:
0733-5210
Subject:
rice,   etc   ; color; gelatinization; grain yield; parboiling; starch;     Show all 6 Subjects
Abstract:
... The aim of this study is to apply a rotating sieve system to the parboiling process for parboiled rice production. The parboiling time and rotation speed were the main production factors affecting the quality attributes of the parboiled rice, including the degree of starch gelatinization (DG), fissure percentage, head rice yield (HRY), white belly, and color. The results showed that the parboiling ...
DOI:
10.1016/j.jcs.2018.12.020

10. Effect of pregelatinized starch on the characteristics, microstructures, and quality attributes of glutinous rice flour and dumplings

Author:
Wang, Hongwei; Xiao, Naiyong; Wang, Xintian; Zhao, Xuewei; Zhang, Hua
Source:
Food chemistry 2019 v.283 pp. 248-256
ISSN:
0308-8146
Subject:
glutinous rice; rice flour,   etc   ; chemical structure; cracking; microstructure; physicochemical properties; starch granules; texture; transmittance;     Show all 9 Subjects
Abstract:
... In this study, the impacts of pregelatinized starch (PGS) with different conditions (2–8%, w/w) on the characteristics, microstructures and quality parameters of glutinous rice flour and dumplings were determined. The results indicated PGS favored the formation of elastic gel-like network structure on starch granules. PGS addition, especially at high PGS content, significantly influenced the granu ...
DOI:
10.1016/j.foodchem.2019.01.047

11. Physicochemical properties of hydroxypropylated and cross-linked rice starches differential in amylose content

Author:
Shen, Yi; Zhang, Ning; Xu, Yiru; Huang, Jiajia; Yuan, Ming'an; Wu, Dianxing; Shu, Xiaoli
Source:
International journal of biological macromolecules 2019 v.128 pp. 775-781
ISSN:
0141-8130
Subject:
rice; rice starch,   etc   ; amylose; crosslinking; crystal structure; glucose; pasting properties; starch granules; swelling (materials);     Show all 9 Subjects
Abstract:
... Hydroxypropylation and cross-linking were carried out on three rice starches with 6.93%, 19.02% and 48.41% AAC respectively. AAC affected the efficiency of modification, with AAC increased, the molar substitution of hydroxypropylated starch decreased while degree of substitution of cross-linked starch increased. Modifications decreased starch relative crystallinity while the impacts were dependent ...
DOI:
10.1016/j.ijbiomac.2019.01.194

12. Effect of temperature on saccharification and oligosaccharide production efficiency in koji amazake

Author:
Oguro, Yoshifumi; Nakamura, Ayana; Kurahashi, Atsushi
Source:
Journal of bioscience and bioengineering 2019 v.127 no.5 pp. 570-574
ISSN:
1389-1723
Subject:
rice; rice starch,   etc   ; Aspergillus oryzae; beverages; enzymes; gentiobiose; glucose; isomaltose; koji; raffinose; saccharification; sweetness; temperature; trehalose;     Show all 14 Subjects
Abstract:
... Koji amazake, prepared from rice koji, is a traditional Japanese sweet beverage. The main source of sweetness is glucose derived from rice starch following digestion by enzymes of Aspergillus oryzae during saccharification. The temperature of this process was empirically determined as 45°C–60°C, but no studies have systematically investigated the effect of temperature on saccharification efficienc ...
DOI:
10.1016/j.jbiosc.2018.10.007

13. Effect of ultra-high pressure on quality characteristics of parboiled rice

Author:
Xu, Xiaonan; Yan, Weilong; Yang, Zhikai; Wang, Xiaona; Xiao, Yu; Du, Xianfeng
Source:
Journal of cereal science 2019 v.87 pp. 117-123
ISSN:
0733-5210
Subject:
rice; rice flour,   etc   ; color; gelatinization; gelatinization temperature; parboiling; scanning electron microscopy; soaking; starch; steaming; viscosity;     Show all 11 Subjects
Abstract:
... Quality characteristics of parboiled rice pre-treated by ultra-high pressures (UHP, 100–600 MPa) were investigated in this study. The LF-NMR results and morphologies of parboiled rice grain showed that UHP treatment promoted uniform distribution of water in rice grain and effectively eliminated “white-core” grain. The total colour difference (ΔE*) increased with increasing treatment pressures. DSC ...
DOI:
10.1016/j.jcs.2019.03.014

14. Slow starch digestion in the rice cooked with adzuki bean: Contribution of procyanidins and the oxidation products

Author:
Takahama, Umeo; Hirota, Sachiko; Yanase, Emiko
Source:
Food research international 2019 v.119 pp. 187-195
ISSN:
0963-9969
Subject:
red rice; rice starch,   etc   ; Vigna angularis; color; cooking; flavonoids; methanol; oxidation; procyanidins; reducing sugars; starch; Japan;     Show all 12 Subjects
Abstract:
... Adzuki bean is often cooked with non-glutinous rice in Japan, and the dish is called adzuki-meshi. By the cooking, flavonoids in adzuki bean are transferred to rice, and the color of the rice becomes pale red. However, it has not been reported on starch digestion of the rice of adzuki-meshi. The purpose of this study is to elucidate that the transferred flavonoids, especially procyanidins could sl ...
DOI:
10.1016/j.foodres.2019.01.062

15. Reducing emissions of the fast growing Vietnamese coal sector: The chances offered by biomass co-firing

Author:
Truong, An Ha; Patrizio, Piera; Leduc, Sylvain; Kraxner, Florian; Ha-Duong, Minh
Source:
Journal of cleaner production 2019 v.215 pp. 1301-1311
ISSN:
0959-6526
Subject:
rice; rice straw,   etc   ; biomass; carbon dioxide; coal; greenhouse gas emissions; hulls; models; power plants; Vietnam;     Show all 10 Subjects
Abstract:
... Vietnam's Power Development Plan 7A authorized many new coal power plants projects, implying an increase of greenhouse gases emissions from 90 MtCO2eq/year today to 360 MtCO2eq/year in 2030. How could co-firing technology –that is the partial substitution of coal by biomass– contributes to mitigate that problem? In this study, we assess the costs and potentials of co-firing rice residues in presen ...
DOI:
10.1016/j.jclepro.2019.01.065

16. Accumulation, mobilization, and transformation of selenium in rice grain provided with foliar sodium selenite

Author:
Farooq, Muhammad Umer; Tang, Zhichen; Zeng, Rui; Liang, Yuanke; Zhang, Yujie; Zheng, Tengda; Ei, Hla H; Ye, Xiaoying; Jia, Xiaomei; Zhu, Jianqing
Source:
Journal of the science of food and agriculture 2019 v.99 no.6 pp. 2892-2900
ISSN:
0022-5142
Subject:
rice; rice bran,   etc   ; bioaccumulation; biofortification; developmental stages; diet; leaves; nutrient deficiencies; selenium; sodium selenite; China;     Show all 11 Subjects
Abstract:
... BACKGROUND: Selenium is an indispensable trace element for humans and its deficiency can lead to serious health complications. Nearly 70% of the area of China faces selenium deficiency. To deal with this problem, selenium‐enriched rice has been increasingly incorporated into everyday diets. However, there is a lack of in‐depth studies of the absorption, translocation, and transformation of seleniu ...
DOI:
10.1002/jsfa.9502

17. Comparative carbon stability in surface soils and subsoils under submerged rice and upland non-rice crop ecologies: A physical fractionation study

Author:
Deb, Shovik; Kumar, Deo; Chakraborty, Somsubhra; Weindorf, David C.; Choudhury, Ashok; Banik, Pabitra; Deb, Dibyendu; De, Parijat; Saha, Sushanta; Patra, Alok Kumar; Majhi, Munmun; Naskar, Puspendu; Panda, Parimal; Hoque, Anarul
Source:
Catena 2019 v.175 pp. 400-410
ISSN:
0341-8162
Subject:
rice; rice soils,   etc   ; carbon; ecology; fractionation; highlands; microaggregates; microorganisms; moieties; soil aggregation; spectral analysis;     Show all 11 Subjects
Abstract:
... The role of subsoil to store stable carbon (C) has become an important research topic in recent decades. In doing so, pools of subsoil C are compared to surface soil. The present study identified differences in mineral associated C (as separated by density fractionation) and aggregate occluded C in surface and subsurface soils. It also considered the impact of submerged rice as well as upland non- ...
DOI:
10.1016/j.catena.2018.12.037

18. Effects of high temperature on the fine structure of starch during the grain‐filling stages in rice: mathematical modeling and integrated enzymatic analysis

Author:
Fan, Xiaolei; Li, Yingqiu; Zhang, Changquan; Li, Enpeng; Chen, Zhuanzhuan; Li, Qianfeng; Zhang, Zhongwei; Zhu, Yun; Sun, Xiaosong; Liu, Qiaoquan
Source:
Journal of the science of food and agriculture 2019 v.99 no.6 pp. 2865-2873
ISSN:
0022-5142
Subject:
glutinous rice; rice starch,   etc   ; amylopectin; amylose; biosynthesis; cultivars; enzymes; filling period; grain quality; mathematical models; temperature;     Show all 11 Subjects
Abstract:
... BACKGROUND: High temperature during the grain‐filling stage is an important factor that can affect grain quality by altering the composition and structure of starch in rice. Therefore, it is important to study the regulatory mechanism of high temperature on rice starch biosynthesis. RESULTS: Two japonica cultivars, the waxy rice Taihunuo and non‐waxy Nangeng 5055 were used to examine the effect of ...
DOI:
10.1002/jsfa.9499

19. Analysis of the distribution of rice allergens in brown rice grains and of the allergenicity of products containing rice bran

Author:
Satoh, Rie; Tsuge, Ikuya; Tokuda, Reiko; Teshima, Reiko
Source:
Food chemistry 2019 v.276 pp. 761-767
ISSN:
0308-8146
Subject:
brown rice; rice bran,   etc   ; Western blotting; allergenicity; allergens; cosmetics; globulins; health foods; hypersensitivity; patients;     Show all 10 Subjects
Abstract:
... To understand the allergenicity of rice bran, the distribution of rice allergens in brown rice grains was analysed and the allergenicity of cosmetics and health foods containing rice bran determined. RAG2 and a 19-kDa globulin were localized in polished rice, while a 52-kDa globulin was localized in rice bran. The 52-kDa globulin was also identified as the most likely causative allergen of rice br ...
DOI:
10.1016/j.foodchem.2018.10.080

20. Design and Fabrication of Highly Photoluminescent Carbon-Incorporated Silica from Rice Husk Biomass

Author:
Wang, Zhaofeng; Zeng, Songshan; Joshi, Gaurav N.; Smith, Andrew T.; Zeng, Huidan; Wei, Zichao; Yu, Xiaoyuan; Pokhrel, Madhab; Mao, Yuanbing; Wang, Weixing; Sun, Luyi
Source:
Industrial & engineering chemistry process design and development 2019 v.58 no.11 pp. 4688-4694
ISSN:
1520-5045
Subject:
rice; rice hulls,   etc   ; biomass; carbon; chemical bonding; photoluminescence; process design; silica; toxicity;     Show all 9 Subjects
Abstract:
... In this work, we designed a two-step method to prepare carbon-incorporated silica from rice husk biomass. This two-step method could promote the chemical bonding between carbon and silica that is responsible for the generation of photoluminescence and effectively remove free carbon in the final product that is responsible for the quenching of photoluminescence. Such a structural optimization of th ...
DOI:
10.1021/acs.iecr.9b00151