Xiushi Yang

Chinese Academy of Agricultural Sciences | CAAS · Institute of Bast Fiber Crops (IBFC)

The protective effects of soyasaponins-rich extract (SRE) from soybean against acute alcohol-induced hepatotoxicity were first investigated in the Institute of Cancer Research mice. Administration of SRE prior to alcohol significantly prevented the increases in serum aspartate transaminase, alanine transaminase, alkaline phosphatase, and lactate de...

The growing consumption of quinoa flour has triggered an elevating concern about its adulteration with similar but cheaper cereals. Herein, a headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) method was applied for the authentication of laboratory-made quinoa flour adulteration with wheat and rice flours. A total of 81 volatile com...

Lunasin, a novel bioactive peptide, is well-known for its anti-proliferation activity. However, the mechanism of this effect is still poorly reported. Here, synthesized lunasin was used and its anti-proliferative function was observed at the concentration of 0.25 mg/mL in human breast cancer cell MDA-MB-231. Conjoint analysis of transcriptome and p...

Quinoa is an excellent source of nutritional and bioactive components. Protein is considered a key nutritional advantage of quinoa grain, and many studies have highlighted the nutritional and physicochemical properties of quinoa protein. In addition, quinoa protein is a good precursor of bioactive peptides. This review focused on the biological pro...

Aroma is an important feature of quinoa that influences consumer preferences. Differently coloured quinoa seeds exhibit diverse nutritional characteristics; however, their aromatic profile differences are poorly investigated. The volatile components of 11 quinoa samples were characterized by headspace-gas chromatography-ion mobility spectrometry (H...

Squalene plays a crucial role in plant growth, development, and stress tolerance. To select the best reference genes (RGs) for expression profile analysis of genes involved in squalene biosynthesis in olives under stress tolerance, the expression stability of 22 candidate RGs across four tissues (root, stem, leaf, and fruit) and five representative...

Antibiotics can cure diseases caused by bacterial infections, but their widespread use can have some side effects, such as probiotic reduction. There is an urgent need for such agents that can not only alleviate the damage caused by antibiotics, but also maintain the balance of the gut microbiota. In this study, we first characterized the nanocryst...

Starch chain-length distributions play an important role in controlling cereal product texture and starch physicochemical properties. Cooked foxtail millet texture and starch physicochemical properties were investigated and correlated with starch chain-length distributions in eight foxtail millet varieties. The average chain lengths of amylopectin...

Minor grain crops are generally recognized as less-produced cereal or pseudo-cereal grain crops, excluding the four major grain crops of wheat, rice, corn, and soybean [...]

The effect of adding native or germinated quinoa flour to wheat flour on gluten structure, starch digestibility and quality properties in pasta was evaluated. The free sulfhydryl contents in wheat/quinoa dough (1.41 - 3.16 μmol/g) were higher than the wheat dough content (0.764 μmol/g). The gluten network was gradually disrupted as additions of qui...

Quinoa protein hydrolysate has been previously reported to exert anti-cancer effects in cultured colon cancer cells. Here, we investigated the effect of quinoa protein and its hydrolysate on an azoxymethane/dextran sulfate sodium (AOM/DSS)-induced mouse model of colorectal cancer (CRC) and examined its underlying mechanism using gut microbiota anal...

Despite the approval of multiple vaccinations in different countries, the majority of the world’s population remains unvaccinated due to discrepancies in vaccine distribution and limited production capacity. The SARS-CoV-2 RBD-ACE2 complex (receptor binding domain that binds to ACE2) could be a suitable target for the development of a vaccine or an...

This work investigated the phytochemical properties and health benefits of Tartary buckwheat flour obtained with different extrusion conditions including high, medium, and low temperature. Extrusion significantly decreased the fat content and changed the original color of Tartary buckwheat flour. The contents of protein, total flavonoids, and D-chi...

Background: Quinoa (Chenopodium quinoa), a dicotyledonous species native to Andean region, is an emerging crop worldwide nowadays due to its high nutritional value and resistance to extreme abiotic stresses. Although it is well known that seed germination is an important and multiple physiological process, the network regulation of quinoa seed germ...

Despite the well-established role of quinoa protein as the source of antihypertensive peptides through in vitro enzymolysis, there is little evidence supporting the in vivo antihypertensive effect of intact quinoa protein. In this study, in vivo study on spontaneously hypertensive rats (SHRs) was conducted by administering quinoa protein for five w...

To provide reference for scientific management of nitrogen (N) fertiliser on tartary buckwheat, the effects of the mixed application of controlled-release N fertiliser (a kind of thermoplastic polymer-coated urea types that are characterised by a semi-permeable membrane) and common urea was studied in the main tartary buckwheat production area in C...

Changes in the structural and physicochemical properties of quinoa starch during germination were investigated. The amylose content of Zhongli No.1 quinoa (ZQ) was 17.37%, which was almost 4 - 5 times greater than the other two genotypes. The surface of germinated quinoa starch granules showed more pinholes and obvious crimples than native starch....

Background: As a functional food factor, quinoa saponins are valuable as additives and in medical care, pharmaceutical development, cosmetics and other fields. However, few studies have investigated the toxicity of saponins. The main purpose of this study was to evaluate the toxicity of crude saponins extracted from quinoa husks. Thus, acute toxici...

A polysaccharide component (SQAP-2) was isolated from quinoa by alkaline extraction and purified with DEAE-Sepharose Fast Flow and Sephacryl S-300 column chromatography. The chemical structure of the polysaccharide was characterized, and the impact on antioxidant activity was evaluated. Polysaccharide SQAP-2 (2.02 × 10³ Da) is a type of glucose who...

BACKGROUND Quinoa protein is a potential source of bioactive peptides. Although some studies have demonstrated its angiotensin converting enzyme (ACE) inhibitory properties, research into its in vivo effect on blood‐pressure regulation and peptide characterization remains limited. RESULTS Quinoa protein hydrolyzate (QPH) was prepared by simulated...

Background and objectives Quinoa (Chenopodium quinoa Willd.) is a promising nutritious cereal known for its rich nutrition and diverse physiological activities. In order to further investigate the profiles and physiological activities of phenolic compounds from quinoa, the composition of free and bound phenolics extracts from white, red and black q...

Chenopodium quinoa, a halophytic crop belonging to the Amaranthaceae, has remarkable resistance to harsh growth conditions and produces seed with excellent nutritional value. This makes it a suitable crop for marginal soils. However, to date most of the commercial cultivars are susceptible to preharvest sprouting (PHS). Meanwhile, understanding of...

The present study investigated the chemical composition of quinoa saponins and examined their possible antimicrobial modes of action against foodborne pathogenic bacteria. Six different compounds (Q1-Q6) were extracted from quinoa husks, separated/purified by column chromatography and identified by HPLC/MS and NMR. The anti-bactericidal effects aga...

Quinoa protein has been paid more and more attention because of its nutritional properties and beneficial effects. With the development of bioinformatics, bioactive peptide database and computer‐assisted simulation provide an efficient and time‐saving method for the theoretical estimation of potential bioactivities of protein. Therefore, the potent...

Background Ginsenosides, which have strong biological activities, can be divided into polar or less-polar ginsenosides. Methods This study evaluated the phytochemical diversity of the saponins in Panax ginseng (PG) root, American ginseng (AG) root, and Panax notoginseng (NG) root; the stem-leaves from Panax ginseng (SPG) root, American ginseng (SA...

The anthocyanins contents from red rice bran were characterized by HPLC/MS. Response surface methodology was used to optimize the ultrasound‐assisted extraction of red rice bran anthocyanin. The antioxidant activities were evaluated in terms of IC50. The tyrosinase inhibitory activities of the anthocyanin samples from red rice bran and the standard...

Different food processing methods will influence the structure and activity of compounds. In this work, molecular structure and different content crude saponins that were extracted from quinoa, treated with water soaking, water boiling, and water steaming were analyzed by HPLC. Flow cytometry was employed to investigate the effects of the main sapo...

Lunasin, a bioactive peptide with a variety of physiological functions, was overexpressed in soybean to generate a transgenic soybean. Polymerase chain reaction (PCR) analysis suggested that lunasin was successfully inserted into the soybean genome, and three transgenic lines, L12, L43, and L45, were selected for further study. Lunasin expression w...

In order to improve the commercial and nutritional quality of Chinese steamed bread (CSB), effect of extruded adzuki bean flour (EABF) substitution (10%, 20%, 30%, and 40%) for wheat flour on the quality properties of blended flour and CSB was studied. Results showed that the development time, stability time, and farinograph quality number of blend...

Background Quinoa is a food crop native to the Andes. The process of dehulling quinoa can produce approximately 8–12% husk, which is often discarded because it contains bitter saponin. Saponin derived from quinoa has been reported to exhibit anti-inflammatory and antifungal activity. However, the antibacterial effects of quinoa saponin against hali...

Bioactive components are partially responsible for the nutritional and health benefits of soybeans. Four major bioactive components: isoflavones, oligosaccharides, phospholipids, and saponins, were quantified in 763 soybean samples collected from widely distributed regions across China from 2010 to 2013. A majority of the tested bioactive component...

Quinoa (Chenopodium quinoa Willd.) is one of the oldest crops in the American continent. It has been recognized as a nutritious grain all over the world. In this experiment, thirteen indicators of quality in 25 quinoa germplasms were analyzed using principal component analysis (PCA) and cluster analysis. The fat had significantly positive correlati...

Soybeans [Glycine max (L.) Merr.] are the predominant source of plant protein and vegetable oil in the human diet, and nutritional components, especially protein and oil, are important in soybean production and breeding. The current study aimed to identify the genetic progress of seed protein and oil in soybean cultivars grown widely over a century...

Notoginseng, the root of Panax notoginseng, has been used to treat wounds and ulcers for several years in China. However, a rare report was found on the antifungal effect of saponin from notoginseng or a heat-transformed one, particularly against dermatophytes. In this study, notoginseng saponin (NS) was heated in a reaction kettle to produce heat-...

This study aimed to investigate the effects of different concentrations of sodium bicarbonate (NaHCO3) on the accumulation of flavonoids, total phenolics and d-chiro-inositol (DCI), as well as the antioxidant and α-glucosidase inhibitory activities, in tartary buckwheat sprouts. Treatment with low concentrations of NaHCO3 (0.05, 0.1, and 0.2%) resu...

Background: The incidence of halitosis has a prevalence of 22–50% throughout the world and is generally caused by anaerobic oral microorganisms, such as Fusobacterium nucleatum, Clostridium perfringens, and Porphyromonas gingivalis. Previous investigations on the structure-activity relationships of ginsenosides have led to contrasting results. Part...

Ultrasonic-assisted extraction (UAE) of American ginseng polysacchatides (AGP) was investigated using response surface methodology. Three-factor-three-level Box-Behnken design was employed to optimize the ultrasonic power, extraction time and ratio of water to raw material to obtain a high AGP yield. The analysis of variance and response surface pl...

In order to study the impact of moldy bran, drug koji and A.schutzenbachii fermentation vinegar on the aromatic substances in buckwheat vinegar, vinegars that adding moldy bran, drug koji and A.schutzenbachii were used to analyze the content of aromatic ingredients with GC-MS method. The results indicated that buckwheat vinegar by drug koji ferment...

Buckwheat is rich in active substances with hypoglycemic effects. Submerged fermentation, as the method of brewing buckwheat vinegar, not only has the advantages of shortening production cycle, saving materials etc, but also has high functional active substances. In this study, the process of the submerged fermentation of acetic acid fermentation w...

The objective of this study was to investigate variation and trends in dough rheological properties and flour quality traits in 330 Chinese wheat varieties. The dough rheological properties of development time (DT), stability time (ST), and farinograph quality number (FQN) were evaluated, as well as the flour quality traits of protein (PC), wet glu...

Soybean [Glycine max (L.) Merr.] seed, which contains high levels of oil and protein, is one of China's most important native crops. The aim of this study was to investigate how regional and environmental factors affect the compositions of protein, amino acids, oil, and fatty acids. A total of 127 soybean cultivars from four main regions of China w...

Unlabelled: Quinoa (Chenopodium quinoa Willd.) is a pseudocereal from South Americas that has received increased interest around the world because it is a good source of different nutrients and rich in saponins. However, the saponins in quinoa seeds planted in China were poorly known. We obtained 4 quinoa saponin fractions, Q30, Q50, Q70, and Q90,...

The alkali-extractable polysaccharide (AEP) was isolated from the root of North American ginseng. Two fractions, AEP-1 and AEP-2, were further purified by gel filtration column chromatography. Gas chromatography analysis identified that AEP-1 was composed of Glc, Gal and GalA. And AEP-2 mainly contained Ara, Man, Gal, Glc and GalA. Antioxidant assa...

Identification and evaluation of quality traits is an important part of crop germplasm resource research. It is the foundation of crop germplasm resource deep excavation and wide use. This article reviewed the research in identification and evaluation of quality traits for the past few years. The progress in China was summarized: Main nutritional q...

With agronomic and quality characters evaluated, four quinoa (Chenopodium quinoa willd) accessions were cultivated in Zhangjiakou, Hebei Province. Plant height ranged from 119.21 cm to 180.50 cm. Growth duration varied between 103 d and 118 d. The highest yield of the quinoa in Zhangjiakou reached 3637.32 kg hm-2. Contents of protein and oil were 1...

Ginsenosides are the major active constituents in both white and red American ginseng (AG) and their pharmacological effects on central nervous, cardiovascular and endocrine system have been well elucidated. However, the anti-Propionibacterium acnes (P. acnes) activity of them is still unknown. In this study, 5 ginsenosides enriched fractions were...

Quantitative detection of protein, fat, starch, and amino acids in foxtail millet using Fourier transform near-infrared spectroscopy (NIRS) was investigated. Foxtail millet samples (n=259) were analyzed using NIRS. Spectral data were linearized with data from chemical analyses. Calibration models were established using a partial least-squares (PLS)...

Interest in mung bean as a functional food is growing. The objective of this study was to characterize the phenolic compounds, antioxidant activities, and antidiabetic activities of black mung beans. Five black mung beans were selected, and one green mung bean was included for comparison. The free phenolic acid and bound phenolic acid contents rang...

To investigate the geographical distribution profile of adzuki bean resistant starch and cooking hardness, analyze the correlation between cooking hardness and nutritive index, and screen the high resistant starch content or low cooking hardness germplasm resource, 140 adzuki bean resources were collected from different provinces in China. The resu...

Ginsenosides Rg1, Rb1, R1, Rd, and Re are major constituents of Panax notoginseng, a famous traditional Chinese medicinal herb, which has both stimulative and inhibitory effects on the central nervous system (CNS). The monoamine hypothesis proposes that depression is a result of the depletion of 5-hydroxytryptamine (5-HT), norepinephrine (NE) and d...

The present study was to characterize the avenanthramide-rich extract (ARE) from oat bran and assess its effect on activity and gene expression of antioxidant enzymes in D-galactose-induced oxidative-stressed mice. High-performance liquid chromatography (HPLC) analysis found that ARE had 6.07% N-(3',4'-dihydroxycinnamoyl)-5-hydroxyanthranilic acid...