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693 results on '"Wang, Fengzhong"'

1. Effects of Milling Methods on Rice Flour Properties and Rice Product Quality: A Review

Author

Tian Yu, Sun Jing, Li Jiaxin, Wang Aixia, Nie Mengzi, Gong Xue, Wang Lili, Liu Liya, Wang Fengzhong, and Tong Litao

Subjects
flour property, milling equipment, milling method, rice flour, rice product quality, semi-dry milling, Plant culture, SB1-1110
Abstract

High-quality rice flour is the foundation for the production of various rice-based products. Milling is an essential step in obtaining rice flour, during which significant changes occur in the physicochemical and quality characteristics of the flour. Although rice flour obtained through mainstream wet milling methods exhibits superior quality, low production efficiency and wastewater discharge limit the development of the industry. Dry milling, on the other hand, conserves water resources, but adversely affects flour performance due to excessive heat generation. As an emerging powder-making technique, semi-dry milling offers a promising solution by enhancing flour quality and reducing environmental impact. This is achieved by minimizing soaking time through hot air treatment while reducing mechanical energy consumption to reach saturated water absorption levels. However, continuous production remains a challenge. This comprehensive review summarizes the effects of various milling technologies on rice flour properties and product qualities. It also discusses key control indicators and technical considerations for rice flour processing equipment and processes.

Published
2024
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5. Recent Advances in Research on Phytic Acid and Its Degradation Products in Foods

Author

CHEN Jiayue, FAN Bei, LIU Guiqiao, LI Chunmei, WANG Fengzhong

Subjects
phytic acid, degradation products, antinutritional, food, analytical methods, Food processing and manufacture, TP368-456
Abstract

Phytic acid widely exists in plant foods, which is the main storage form of phosphorous in plant seeds. Recently, phytic acid in foods has attracted increasing research attention due to the antinutritional properties of phytic acid and its degradation products such as chelating with mineral ions and reducing protein bioavailability. In this paper, the characteristics, antinutritional quality and physiological activities of phytic acid and its degradation products lower inositol phosphates, as well as their contents in foods are summarized. Moreover, the analytical methods for these compounds in foods are highlighted and the advantages and disadvantages of various analytical methods are analyzed and compared. It is anticipated that this review will provide a reference for the precise detection of phytic acid and its degradation products and for the formulation of recommended intake for phytic acid from foods in China.

Published
2023
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22. Structural analysis of receptor-like kinase SOBIR1 reveals mechanisms that regulate its phosphorylation-dependent activation

Author

Wei, Xue, Wang, Yulu, Zhang, Su, Gu, Tianyi, Steinmetz, Gabryel, Yu, Haiyan, Guo, Guoguang, Liu, Xin, Fan, Shilong, Wang, Fengzhong, Gu, Yangnan, and Xin, Fengjiao

Subjects
Underpinning research, 1.1 Normal biological development and functioning, Arabidopsis, Arabidopsis Proteins, Phosphorylation, Protein Kinases, Protein Serine-Threonine Kinases, LRR-RLK, SOBIR1, crystal structure, unusual architecture, autophosphorylation, stepwise activation
Abstract

Plant leucine-rich repeat (LRR) receptor-like kinases (RLKs) and LRR receptor-like proteins (RLPs) comprise a large family of cell surface receptors that play critical roles in signal perception and transduction. Both LRR-RLKs and LRR-RLPs rely on regulatory LRR-RLKs to initiate downstream signaling pathways. BRASSINOSTEROID INSENSITIVE 1-ASSOCIATED KINASE 1/SOMATIC EMBRYOGENESIS RECEPTOR KINASE 3 (BAK1/SERK3) and SUPPRESSOR OF BIR1-1 (SOBIR1) are important and extensively studied regulatory LRR-RLKs with distinct functions. Although the regulatory mechanism of BAK1 activation has been studied in detail, the activation mechanism of SOBIR1 remains poorly understood. Here, the crystal structures of the catalytically inactive kinase domain of SOBIR1 (SOBIR1-KD) from Arabidopsis thaliana were determined in complexes with AMP-PNP and Mg2+. The results show that SOBIR1-KD contains a uniquely long β3-αC loop and adopts an Src-like inactive conformation with an unusual architecture at the activation segment, which comprises three helices. Biochemical studies revealed that SOBIR1 is transphosphorylated by BAK1 following its autophosphorylation via an intermolecular mechanism, and the phosphorylation of Thr529 in the activation segment and the β3-αC loop are critical for SOBIR1 phosphorylation. Further functional analysis confirmed the importance of Thr529 and the β3-αC loop for the SOBIR1-induced cell death response in Nicotiana benthamiana. Taken together, these findings provide a structural basis for the regulatory mechanism of SOBIR1 and reveal the important elements and phosphorylation events in the special stepwise activation of SOBIR1-KD, the first such processes found in regulatory LRR-RLKs.

Published
2022

23. Quality Characteristics of Soybeans for Different Purposes and Identification of Superior Production Areas and Varieties

Author

DING Jian, SHEN Shuhan, LI Shuying, CAI Wei, LI Zhihai, YAN Qu, HUANG Tianhang, WANG Fengzhong, FANG Yong

Subjects
soybean, oil soybean, feed soybean, quality properties, principal component analysis, combination weighting method, cluster analysis, Food processing and manufacture, TP368-456
Abstract

The differences in quality properties between 40 major oil and feed soybean varieties in four major production areas of China were analyzed. Ten key quality indexes of soybean for each purpose were determined. One-way analysis of variance (ANOVA) and principal component analysis (PCA) were carried out, and a model was proposed using combination weighting method in order to select the quality characteristics of soybeans for different purposes and the superior soybean production areas and varieties. Significant differences in all quality properties except color, odor and carbohydrate content were found among varieties and production areas (P < 0.01 or P < 0.001). In the PCA, crude fat content, vitamin E (VE) content, impurity content, damage ratio, moisture content, and phospholipid content were extracted by factor analysis as key quality characteristics of oil soybean. For feed soybean, seven key quality characteristics including 7S/11S protein, protein dissolution ratio, crude fat content, protein content, impurity content, damage ratio, and soybean isoflavone content were identified. Using the proposed model, top 10 oil and feed soybean varieties with the highest comprehensive score and their major production areas were selected. Using cluster analysis, the oil and feed soybeans were assigned into five and nine groups with similar quality characteristics, respectively. This study provides a theoretical basis for quality evaluation of soybeans from different major production areas in China and specialty soybean variety selection.

Published
2023
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