Foods
·
2023
·Vol. 12
·期 12
·2302
·
IF 5.2
Yuanfei Li,Huadi Mei,Yanchen Liu,Zhenming Li,Hammad Qamar,Miao Yu,Xianyong Ma
Consumer demand for tasty and quality meat has been quickly increasing. This study investigated how dietary supplemented rutin affects meat quality, muscle fatty acid profile, and antioxidant capacity in the Chinese indigenous Qingyuan partridge chicken. A cohort of 180 healthy 119-day-old chickens was subjected to a randomized assignment into three groups, identified as the control, R200, and R400 groups, with respective supplementation of 0, 200, and 400 mg/kg of rutin. The results revealed insignificance in growth performance, namely, average daily gain, average daily feed intake, and feed-to-gain ratio, across the various treatment groups (p> 0.05). Nevertheless, dietary rutin supplementation increased (p< 0.05) breast muscle yield and intramuscular fat content in breast muscle and decreased (p< 0.05) drip loss in breast muscle. Rutin supplementation increased (p< 0.05) the content of high-density lipoprotein but decreased (p< 0.05) the contents of glucose, triglyceride, and total cholesterol in serum. Rutin supplementation increased (p< 0.05) the levels of DHA (C22:6n-3), total polyunsaturated fatty acids (PUFAs),n-3 PUFAs, decanoic acid (C10:0), the activity of Δ5 + Δ6 (22:6 (n− 3)/18:3 (n− 3)), and the ratio of PUFA/SFA in breast muscle but decreased (p< 0.05) the level of palmitoleic acid (C16:1n-7), the ratio ofn-6/n-3 PUFAs, and the activity of Δ9 (16:1 (n− 7)/16:0). Rutin treatment also reduced (p< 0.05) the contents of malondialdehyde in serum and breast muscle, and increased (p< 0.05) the catalase activity and total antioxidant capacity in serum and breast muscle and the activity of total superoxide dismutase in serum. Additionally, rutin supplementation downregulated the expression ofAMPKαand upregulated the expression ofPPARG,FADS1,FAS,ELOVL7,NRF2,andCATin breast muscle (p< 0.05). Convincingly, the results revealed that rutin supplementation improved meat quality, fatty acid profiles, especiallyn-3 PUFAs, and the antioxidant capacity of Qingyuan partridge chickens.Keywords:rutin supplementation;antioxidant capacity;fatty acid profile;lipid metabolism;meat quality;Chinese yellow-feathered broiler;Qingyuan partridge chickens
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FOOD RESEARCH INTERNATIONAL
·
2023
·
IF 8.1
Qiang Lyu,Wanying Zheng,Qiyuan Shan,Lichuang Huang,Yiwen Wang,Lu Wang,Haodan Kuang,Muhammad Azam,Gang Cao
Chemical structural characterization of chemical compounds from hawthorn fruits and its thermal processed products was carried out in present study. By linking Global Natural Products Social (GNPS) Molecular Networking and MolNetEnhancer workflow, seventy-four chemical compounds in hawthorn fruits and its thermal processed products were tentatively identified. Three quercetagetin derivatives (quercetagetin-3- O -glucoside, quercetagetin-di-glucoside and its isomer), five quercetin or kaempferol derivatives (quercetin-acetylapiosyl-hexoside, quercetin-3- O -(6″-malonyl-hexoside), quercetin-3- O -(6″-malonyl-hexoside)-(1 → 2)- O -hexoside, quercetin-3- O -(6″-malonyl-hexoside)-(1 → 2)- O -deoxyhexoside, kaempferol-3- O -(6″-malonyl-hexoside)), six procyanidins including four (E)C-ethyl-procyanidins and two A-type procyanidins digallate, as well as 13 triterpenoids including ursolic aldehyde, triterpenoid glycosides, and triterpene acids were reported for the first time in hawthorn fruits. In addition, triterpenoids exhibited considerable thermal stability, while all of flavonoid glycosides, proanthocyanidins and 10 in 13 organic acids showed dramatic decrease after thermal processing.
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SEPARATION AND PURIFICATION TECHNOLOGY
·
2023
·
IF 8.6
Shucheng Liu,Zhi Hu,Xingchen Yan,Senbai Geng,Xian Zhao,Hongxiang Ou,Jianming Pan
The magnetic boronate based sorbents have been widely used to separation of cis -diol containing flavonoids. However, It's still challenging due to its chemical structural fragility and low grafting efficiency. The major obstacles are low concentration, the hydrophobicity of flavoniods, and complexity of crude extract solutions. For solving these problems, a new kind of covalently connect MOF@boronic acid-functionalized-COFs core–shell hybrid composites based on magnetic colloidal nanocrystal clusters (MCNCs), MCNCs@NH 2 -UiO-66@BTCA-BA-COFs, with high surface area, abundant binding sites and excellent chemical and structurally stability were synthesized for enhancing the structure stability and selective recognition efficiency. The alkynylation COFs were not only to be facilely grated on the surface of magnetic microsphere@NH 2 -UiO-66 via Schiff-based reaction but also beneficial to the further modification of azide phenylboronic acid group via click reaction. Such mentioned advantages and covalently connect click strategy could generate highly structure stable and strong binding sites for the template flavonoids (Naringin, NRG). Adsorption equilibrium experiments were reached rapidly within 120 min, and the maximum equilibrium binding capacities of MCNCs@PDA@NH 2 -UiO-66@BTCA-BA-COFs were 31.20 µmol g −1 for NRG. Moreover, MCNCs@PDA@NH 2 -UiO-66@BTCA-BA-COFs exhibited a stronger selectivity towards NRG than other competitive targets (i.e rutin, catechol, hesperetin, o -nitrophenol). The MCNCs@PDA@NH 2 -UiO-66@BTCA-BA-COFs have shown outstanding reusability of 91.99 % loss in enrichment performance towards NRG after seven times repeatedly. The obtained MCNCs@PDA@NH 2 -UiO-66@BTCA-BA-COFs-based mass spectrum (MS) methods were applied to analyze the purity of NRG products. As excepted, a commercially available NRG with purity (approximately 60 %) could be effectively extracted and concentrated to 93.15 % purity. More interestingly, the separation performance of the sorbents was influenced by hydrophilic and hydrophobic performance. This approach provided an idea for constructing a new kind of hybrid sorbents with both enhanced functionality, suitable hydrophobic performance and fast magnetic-response behavior, which is of great significance to the field of separation and purification of hydrophobic flavonoids.
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Frontiers in Bioengineering and Biotechnology
·
2022
·
IF 6.064
Wang Zhen,Yang Shilong,Gao Yajun,Huang Jianting
In this work, flavonoids from the leaves of Chionanthus retusa were extracted using alcohol, and the extraction yield was optimized by single-factor and orthogonal experiments. Then, the extracted solution with flavonoids was purified via macroporous resin by elution with different concentrations of ethanol. The antioxidative activity of total flavonoid in purified extracted solution was evaluated by detecting its ability to scavenge DPPH free radicals. The results demonstrated that ethanol with a concentration of 60%, ultrasonic power of 140 W, liquid–solid ratio of 25:1 ml g−1, and water-bath temperature of 80°C were the optimal conditions for the extraction of total flavonoids from C. retusa leaf, achieving a yield of 121.28 mg g−1. After purification by macroporous resin using different concentrations of ethanol, the highest content of total flavonoids (88.51%) in the extracted solution can be obtained with the 50% ethanol eluant. The results of scavenging DPPH free radicals suggest that the purified flavonoids in the 50% ethanol eluant had the best antioxidant capacity over the flavonoids in other ethanol eluants. In addition, it is confirmed the antioxidant capacity of the extractives was associated with the content of total flavonoids and kinds of flavonoids. These results may provide a feasible pathway to make full use of total flavonoids from C. retusa leaf.
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JOURNAL OF CHROMATOGRAPHY A
·
2022
·
IF 4.601
Zhixu Chen,Jincai Wang,Jiaming Yuan,Zhen Wang,Zhengchao Tu,Jacques Crommen,Wenhui Luo,Jialiang Guo,Tingting Zhang,Zhengjin Jiang
In this study, an advanced at-line nanofractionation based screening platform was developed to screen potential neuraminidase inhibitors (NAIs) from Lonicera japonica Thunb by involving two parallel bioassays, for determining both oseltamivir-sensitive neuraminidase (NAS) and oseltamivir-resistant neuraminidase (NAR) inhibitory activities. 20 potential NAIs with both NAS and NAR inhibitory effects were screened from Lonicera japonica Thunb and identified by mass spectrometer, including 11 phenolic acids, 8 flavonoids and one iridoid glycoside. The proposed at-line nanofractionation based screening platform for NAIs was also used to rapidly screen nine batches of water extracts of Lonicera japonica Thunb or its similar species. Clear differences in the number and content of active components were easily observed, demonstrating that the proposed method possesses great potential for the quality control of herb medicines.
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NEUROTOXICOLOGY
·
2023
·
IF 3.4
Tong Zhang,Chunmei Zhang,Yuyou Luo,Shuping Liu,Siyuan Li,Lixia Li,Yuxin Ma,Jing Liu
The present study aimed to investigate the protective effect of rutin on the injury of spinal motor neuron in rats exposed to acrylamide (ACR) the underlying mechanism. Fifty male Sprague-Dawley rats, aged 7–8 weeks, were randomly divided into control group, ACR group (20 mg/kg), low dose(100 mg/kg), medium dose (200 mg/kg) and high dose(400 mg/kg) rutin groups, ten rats in each group. The rats were given intragastric administration for 21 days. Every week, a neurobehavioral test was conducted. Nissl staining was used to observe the morphological changes in motor neurons in the L4-L6 segment of the spinal cord . Immunohistochemistry was used to identify AChE and ChAT in the rat spinal cord. Western blot was used to identify the expression of AChE, ChAT, P-ERK, ERK, and Nrf2 proteins in the rat spinal cord. The commercial kits were used to detect the presence of SOD, GSH, and LDH in the rat spinal cord. At the start of the second week, the medium and high dosage rutin group's rats' gait scores significantly decreased as compared to those of the ACR group. When rutin dosage was increased, the Nissl staining revealed that Nissl bodies was staining intensified compared to the ACR group. Immunohistochemistry and Western blot analysis revealed that AChE and ChAT expression changed when rutin dose was raised, but P-ERK and Nrf2 expression steadily increased in the spinal cord of rats in the medium and high dose groups compared to the ACR group. In the spinal cord of rats in each dosage group compared to the ACR group, the findings of the oxidative stress indices demonstrated that the expression levels of SOD and GSH rose with the increase of rutin dose, while the expression of LDH reduced with the rise of rutin dose. Rutin has an anti-oxidative impact through up-regulating the expression of P-ERK and Nrf2 proteins in the ERK/Nrf2 pathway, which may be connected to its protective action on motor neurons in the spinal cord of rats exposed to ACR.
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Food Frontiers
·
2022
·Vol. 4
·期 1
·289-296
·
IF 0
Hongting Deng,Yuanju He,Hui Cao,Lei Chen,Hui Teng
The aim of the present work was to evaluate different structures of flavonoids interfering with the cytotoxicity of heterocyclic amines (HCA). Eight flavonoids with similar structure including myricetin, rutin, fisetin, quercetin, myricetrin, quercetrin, kaempferol, and galangin were coincubated with 2-amino-4-methylimidazo[4,5-f]quinolone (IQ) respectively to determine the cytotoxicity. The results revealed that IQ at low doses showed no cytotoxicity; however, in the presence of myricetin and rutin, the cytotoxicity significantly elevated. It seems that C-3′, C-4′, C-5′, and C-5 hydroxyl substituents on the flavonoid skeleton of B ring play important role in the increasing cytotoxicity induced by IQ in HepG2 cells. Interestingly, the data obtained from the present study revealed an unexpected adverse effect of the supposed beneficial food ingredient myricetin, which appears to be able to increase the cytotoxicity of the procarcinogen HCA.
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JOURNAL OF FOOD SCIENCE
·
2022
·Vol. 88
·期 2
·625-637
·
IF 3.693
Lixia Yang,Zhendong Lu,Jian Lu,Dianhui Wu
The addition of green tea as antioxidants to beer can improve the beer's flavor stability by protecting against staling during storage. To analyze the effect of different green teas on the flavor stability of beer, we developed an approach to rapidly evaluate their antioxidant activity. Ten types of craft beer were produced by adding different kinds of green tea during brewing, and their antioxidant activity and phenolic profiles were evaluated. The results showed remarkable variations in antioxidant activity and antioxidative compound contents, which were considerably higher in green tea beers than in non-tea beer ( p < 0.05). A comprehensive evaluation function was developed to evaluate the total antioxidant activity of beers using principal component analysis. The highest total antioxidant activity was observed in Taiping Houkui beer, with a comprehensive evaluation score of 2.53. Pearson correlation analysis suggested that (−)-epigallocatechin gallate, (−)-epicatechin gallate, and (−)-epigallocatechin were strongly correlated with the total antioxidant activity of green tea beers ( p < 0.01). The summation of their contents represented more than 60% of the total phenolic content of the teas, which can be used to predict the total antioxidant activity of green tea beers. Practical Application Flavor stability is of prime concern for brewers, and flavor aging is increasingly becoming the limiting factor in beer shelf life. The application of green tea as antioxidants in beer can improve the flavor stability by protecting against beer staling during storage. The analytical method developed in this study will contribute to the rapid comparison of the effect of different green teas on the flavor stability of beer. Furthermore, the research findings demonstrate the potential benefits of green teas to beer flavor stability, which is of considerable importance in promoting the development and consumption of green teas.
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Current Research in Food Science
·
2022
·
IF 6.269
Mang-Mang Li,Yi-Ting Chen,Jin-Cang Ruan,Wen-Jun Wang,Ji-Guang Chen,Qing-Feng Zhang
Lipase is a very important digestive enzyme for triglyceride absorption in vivo. The inhibitory activities of 26 dietary flavonoids, including flavone, flavanone, isoflavone and flavanol, on lipase were determined. Flavone exhibited stronger inhibitory activity than other types of flavonoids. Among them, luteolin exhibited the strongest inhibitory activity with IC50 value of 99 ± 11 μM, followed by quercetin and baicalein. The binding affinity of these flavonoids with lipase was investigated by fluorescence titration method. The binding affinity of flavones was stronger than flavanones, and was linearly positively correlated with their inhibitory activity. The binding of flavones on lipase caused the blue-shift of fluorescence, while flavanones caused red-shift. The analysis of structure-activity relationship of flavonoids on lipase revealed that the structure of C ring is very crucial. The hydrogenation of C2=C3 bond and the absence of C=O group in C ring both caused significant decrease of inhibitory activity. Besides, the hydroxylation on ring A and B of flavones increased the activity, while glycosylation weakened the activity. Molecular docking analysis confirmed that C2=C3 bond in C ring of flavones increases the π-conjugation and contributes to maintaining the planarity of flavonoid structure, which favour its Pi-Pi interaction with lipase.
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JOURNAL OF FOOD SCIENCE
·
2023
·Vol. 88
·期 2
·696-716
·
IF 3.9
Chun Xiao Li,Fu Rong Wang,Bing Zhang,Ze Yuan Deng,Hong Yan Li
The impact of phenolic compounds on the human body depended on the type, content, bioavailability, and antioxidant activity. After digestion, different phenolic compounds had different changes of bioavailability and antioxidant activity, which needed to be considered in the application. In this experiment, the structural stability and antioxidant activity of 27 phenolic compounds (phenolic acids, flavonols, flavonoids, and flavanones) were investigated during the in vitro simulated digestion. This experiment eliminated the influence of food matrix, provide a basis for regularity for the changes of phenolic substances in different materials. Results showed that the bioaccessibility of phenolic compounds with different structures varied, and there was a conformational relationship between the structure and stability. After oral digestion, most of the phenolic compounds underwent degradation and the cellular antioxidant activity (CAA) values decreased to a large extent ( p < 0.05). After gastric digestion, the content ( p > 0.05) and CAA values ( p < 0.05) of most phenolic compounds increased. However, after intestinal digestion, the phenolic compounds were degraded to a greater extent, and different structures of phenolic compounds had different changes in CAA values ( p < 0.05). In general, the CAA values of most phenolic compounds after in vitro digestion were lower than the initial value. The 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2′-azino-bis (3-ehylbenzthiazoline-6-sulfonic acid) (ABTS), and ferric reducing antioxidant power (FRAP) values of phenolic acids and flavonols decreased after in vitro simulated digestion ( p < 0.05), while the values of DPPH, ABTS, and FRAP of most flavonoids ( p < 0.05) increased. The increased oxygen radical absorption capacity (ORAC) values were found in most phenolic acids, flavonols, and flavonoids ( p < 0.05), and most flavanones showed unremarkable changes in ORAC values ( p > 0.05). In general, the changing trend of chemical-based antioxidant activity was consistent with the content of phenolic compounds.
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Frontiers in Microbiology
·
2023
·
IF 5.2
Pan Lixia,Ye Hangyu,Pi Xionge,Liu Wei,Wang Zhao,Zhang Yinjun,Zheng Jianyong
Introduction: Flavonoids have antiviral, antitumor, anti-inflammatory, and other biological activities. They have high market value and are widely used in food and medicine fields. They also can regulate gut microbiota and promote human health. However, only a few flavonoids have been reported for their regulatory effects on human gut microbiota.Methods: The effects of hesperidin, hesperetin-7-O-glucoside, hesperetin, naringin, prunin, naringenin, rutin, isoquercitrin, and quercetin on gut microbiota structural and metabolic differences in healthy subjects were studied by means of in vitro simulated fermentation technology.Results: Results showed that the nine kinds of flavonoids mentioned above, especially hesperetin-7-O-glucoside, prunin, and isoquercitrin, were found to have more effect on the structure of human gut microbiota, and they could significantly enhance Bifidobacterium (p < 0.05). After 24 h of in vitro simulated fermentation, the relative abundance of intestinal probiotics (e.g., Lactobacillus) was increased by the three flavonoids and rutin. Furthermore, the relative abundance of potential pathogenic bacteria was decreased by the addition of hesperetin-7-O-glucoside, naringin, prunin, rutin, and isoquercitrin (e.g., Lachnoclostridium and Bilophila). Notably, prunin could also markedly decrease the content of H2S, NH3, and short-chain fatty acids. This performance fully demonstrated its broad-spectrum antibacterial activity.Discussion: This study demonstrates that flavonoids can regulate the imbalance of gut microbiota, and some differences in the regulatory effect are observed due to different structures. This work provides a theoretical basis for the wide application of flavonoids for food and medicine.
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PLANT PHYSIOLOGY AND BIOCHEMISTRY
·
2023
·
IF 6.5
Ruiyi Fan,Congyi Zhu,Diyang Qiu,Genlin Mao,Bernd Mueller-Roeber,Jiwu Zeng
As a well-recognized traditional Chinese medicine (TCM), immature fruits of Citrus grandis ‘Tomentosa’ (CGT) serve to cure chronic cough in humans. Specialized metabolites including flavonoids may have contribute to this curing effect. Knowledge about the molecular mechanisms underlying flavonoid biosynthesis in ‘Tomentosa’ fruits will, therefore, support the breeding of varieties with improved medicinal properties . Hence, we profiled the transcriptomes and metabolites of the fruits of two contrasting C. grandis varieties, namely ‘Zheng-Mao’ (‘ZM’) used in TCM production, and a locally cultivated pomelo, namely ‘Guang-Qing’ (‘GQ’), at four developmental stages. A total of 39 flavonoids, including 14 flavanone/flavone, 5 isoflavonoids , 12 flavonols, and 6 anthocyanins , were identified, and 16 of which were quantitatively determined in the fruits of the two varieties. We found that ‘ZM’ fruits contain more flavonoids than ‘GQ’. Specifically, rhoifolin levels were significantly higher in ‘ZM’ than in ‘GQ’. We annotated 31,510 genes, including 1,387 previously unknown ones, via transcriptome sequencing of ‘ZM’ and ‘GQ.’ A total of 646 genes were found to be differentially expressed between ‘ZM’ and ‘GQ’ throughout at all four fruit developmental stages, indicating that they are robust expression markers for future breeding programs. Weighted gene co-expression network analysis identified 18 modules. Combined transcriptional and metabolic analysis revealed 25 genes related to flavonoid biosynthesis and 16 transcriptional regulators (MYBs, bHLHs, WD40) that may be involved in the flavonoids biosynthesis in C. grandis ‘Tomentosa’ fruits.
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