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Investigating the Impact of Moisture Levels on Structural Alterations and Physicochemical Properties of Cassava Flour through Extrusion: A Comprehensive Study 调查水分水平对挤压木薯粉结构变化和理化性质的影响:综合研究
IF 4 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-18 DOI: 10.1007/s11130-024-01237-z
Mingming Qi, Lijun Jiang, Jialin Song, Feng Han, Mei Xu, Yueming Li, Chengye Ma, Shanfeng Chen, Hongjun Li

The extrusion process, a vital technique for starch modification, is notably influenced by the moisture content (MC). This study aimed to elucidate the effect of varying MC levels (18, 22, 26, and 30%) on the structural and physicochemical characteristics of cassava flour during extrusion. Extrusion resulted in the fraction of degree of polymerization 13‒24, degree of branching, and molecular weight increased with increasing MC, with values of above indexes being 32.29%, 1.05%, and 1.21 × 105 g/mol, respectively, at a MC of 18%. This suggested that the degradation of amylopectin and amylose. Additionally, there was an increase in rapidly digestible starch (RDS) and a decrease in slowly digestible starch (SDS) in the extrudates in comparison to the native cassava flour. The extrusion of cassava flour at 18% MC exhibited the highest levels of RDS and SDS, reaching 64.52% and 4.06%, respectively. These findings indicated that low moisture extrusion could be a more effective method for disrupting the structure of cassava starch and enhancing the digestibility of cassava flour, offering valuable insights for the optimized use of cassava extrudates in various applications.

挤压工艺是淀粉改性的一项重要技术,受水分含量(MC)的影响很大。本研究旨在阐明不同 MC 含量(18%、22%、26% 和 30%)对木薯粉在挤压过程中的结构和理化特性的影响。挤压导致聚合度 13-24 的部分、支化度和分子量随着 MC 的增加而增加,当 MC 为 18% 时,上述指标值分别为 32.29%、1.05% 和 1.21 × 105 g/mol。这表明直链淀粉和淀粉发生了降解。此外,与原生木薯粉相比,挤压物中可快速消化的淀粉(RDS)有所增加,而可缓慢消化的淀粉(SDS)有所减少。在 MC 值为 18% 时,木薯粉的 RDS 和 SDS 水平最高,分别达到 64.52% 和 4.06%。这些研究结果表明,低水分挤压是破坏木薯淀粉结构和提高木薯粉消化率的更有效方法,为木薯挤压物在各种应用中的优化使用提供了有价值的见解。
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引用次数: 0
Nomilin Reversed Cardiotoxicity Caused by Co-exposure to Zearalenone and Deoxynivalenol via the Keap1/Nrf2 Signaling Pathway in Zebrafish 诺米林通过 Keap1/Nrf2 信号通路逆转斑马鱼同时暴露于玉米赤霉烯酮和脱氧雪腐镰刀菌烯醇引起的心脏毒性
IF 4 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-13 DOI: 10.1007/s11130-024-01228-0
Xing Liu, Yuting Peng, Ruobing Chen, Yueyue Zhou, Mingzhu Xia, Xinyi Wu, Meng Yu

The contamination of food and feed by mycotoxins, particularly zearalenone (ZEA) and deoxynivalenol (DON), is a global issue. Prenatal exposure to ZEA and DON can result in congenital cardiac malformations in fetuses. Addressing the prevention and mitigation of embryonic cardiotoxicity caused by these toxins is crucial. Citrus limonoid nomilin (NOM) is an extract known for its pathological properties in various diseases. This study investigated the potential mechanism of NOM in mitigating cardiotoxicity caused by ZEA and DON co-exposure in a zebrafish model. The findings indicated that NOM pretreatment alleviated cardiac developmental toxicity induced by ZEA and DON and normalized the expression of key genes involved in heart development, including gata4, vmhc, nkx2.5, and sox9b. Co-exposure to NOM, ZEA, and DON enhanced SOD and catalase activity, increased glutathione levels, and reduced ROS and malondialdehyde production. Furthermore, NOM reduced cardiac oxidative damage by activating the Keap1/Nrf2 signaling pathway. In summary, this study offers new insights for preventive interventions against congenital heart disease caused by mycotoxin exposure.

霉菌毒素,特别是玉米赤霉烯酮(ZEA)和脱氧雪腐镰刀菌烯醇(DON)对食品和饲料的污染是一个全球性问题。产前接触玉米赤霉烯酮(ZEA)和脱氧雪腐镰刀菌烯醇(DON)会导致胎儿先天性心脏畸形。预防和减轻这些毒素造成的胚胎心脏毒性至关重要。柑橘类柠檬素诺米林(NOM)是一种提取物,因其在多种疾病中的病理特性而闻名。本研究调查了 NOM 在斑马鱼模型中减轻 ZEA 和 DON 共同暴露引起的心脏毒性的潜在机制。研究结果表明,NOM预处理可减轻ZEA和DON诱导的心脏发育毒性,并使参与心脏发育的关键基因(包括gata4、vmhc、nkx2.5和sox9b)的表达正常化。同时暴露于 NOM、ZEA 和 DON 可增强 SOD 和过氧化氢酶的活性,提高谷胱甘肽水平,减少 ROS 和丙二醛的产生。此外,NOM 还能通过激活 Keap1/Nrf2 信号通路减少心脏氧化损伤。总之,这项研究为预防性干预霉菌毒素暴露引起的先天性心脏病提供了新的见解。
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引用次数: 0
Anti-inflammatory Effect of Symplocos prunifolia Extract in an In Vitro Model of Acute Pneumonia 梅花提取物在急性肺炎体外模型中的抗炎作用
IF 4 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-10 DOI: 10.1007/s11130-024-01231-5
Seok Woo Kim, Wona Jee, So-Mi Park, Ye-Rin Park, Hanbit Bae, Yun-Cheol Na, Han-Gyul Lee, Seungwon Kwon, Hyeung-Jin Jang

Acute pneumonia is a respiratory disease characterized by inflammation within the lung tissue, exhibiting higher morbidity rates and mortality rates among immunocompromised children and older adults. Symplocos species have been traditionally used as herbal remedies for conditions like dysentery, skin ulcers, diarrhea, and dyspepsia. Contemporary research has employed various Symplocos species in the study of diverse diseases. However, the exact efficacy and mechanisms of action of Symplocos Prunifolia remain unknown. Therefore, this study investigated the anti-inflammatory mechanism of S. prunifolia extract (SPE) in A549 and RAW264.7 cells stimulated by lipopolysaccharide (LPS). SPE significantly reduced nitric oxide (NO) production and the protein expression levels of like inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in LPS-stimulated RAW 264.7 cells. Furthermore, it reduced the protein expression levels of iNOS, COX-2 and the levels of pro-inflammatory cytokines in LPS-stimulated A549 cells. The mechanism underlying the anti-inflammatory effect of SPE was associated with the inhibition of LPS stimulated the phosphoinositide-3-kinase/protein kinase B (PI3K/Akt) and Mitogen-activated protein kinase (MAPK) phosphorylation. Moreover, we confirmed that SPE decreased the nuclear translocation of nuclear factor-κB (NF-κB)/p65 stimulated by LPS. In conclusion, these results demonstrate that SPE alleviates inflammatory responses by deactivating the PI3K/Akt, MAPK, and NF-κB signaling pathways. Our findings suggest that SPE is a potential candidate for acute pneumonia prevention.

急性肺炎是一种以肺部组织炎症为特征的呼吸道疾病,免疫力低下的儿童和老年人发病率和死亡率较高。传统上,Symplocos 树种被用作治疗痢疾、皮肤溃疡、腹泻和消化不良等疾病的草药。当代的研究已将各种Symplocos物种用于各种疾病的研究。然而,Symplocos Prunifolia 的确切功效和作用机制仍然未知。因此,本研究调查了梅花苷提取物(SPE)在脂多糖(LPS)刺激下对 A549 和 RAW264.7 细胞的抗炎机制。在 LPS 刺激的 RAW 264.7 细胞中,SPE 能明显减少一氧化氮(NO)的产生,并降低诱导型一氧化氮合酶(iNOS)和环氧化酶-2(COX-2)的蛋白表达水平。此外,它还能降低 LPS 刺激的 A549 细胞中 iNOS、COX-2 蛋白表达水平和促炎细胞因子水平。SPE 抗炎作用的机制与抑制 LPS 刺激的磷酸肌醇-3-激酶/蛋白激酶 B(PI3K/Akt)和丝裂原活化蛋白激酶(MAPK)磷酸化有关。此外,我们还证实 SPE 可减少 LPS 刺激的核因子-κB(NF-κB)/p65 的核转位。总之,这些结果表明,SPE 可通过使 PI3K/Akt、MAPK 和 NF-κB 信号通路失活来缓解炎症反应。我们的研究结果表明,SPE 是预防急性肺炎的潜在候选药物。
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引用次数: 0
Phytochemical content, antioxidant, and anti-inflammatory activities of Morrocan Cynara cardunculus L. var. ferocissima leaf methanolic extract Morrocan Cynara cardunculus L. var. ferocissima 叶甲醇提取物的植物化学成分含量、抗氧化和抗炎活性
IF 4 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-10 DOI: 10.1007/s11130-024-01234-2
Habiba Nechchadi, Fatima Ezzahra Kacimi, Armando McDonald, Samira Boulbaroud, Hicham Berrougui, Mhamed Ramchoun

Cyanra cardunclus L. var. ferocissima is widely used in Morocco as a food and in traditional medicine. Therefore, this study aimed to determine, for the first time, the phytochemical content and antioxidant and anti-inflammatory activities of this variety. Qualitative tests were used to screen for the phytochemical compounds present in the extract, and spectrophotometric methods were used for quantification. The sugar profiles were determined using HPLC. Antioxidant activity was determined in vitro using DPPH, FRAP, and total antioxidant activity assays, and anti-inflammatory activity was assessed using serum albumin denaturation and membrane stabilization assays. The extract contained a high amount of total polyphenols, hydrocinnamic acids, anthocyanins, chlorophyll, ortho-diphenols, terpenoids, and triterpenoids. In addition, five sugars were identified with high amounts of raffinose and sucrose. The extract exerted considerable antioxidant activity by scavenging radicals and reducing power. It exerts anti-inflammatory effects by inhibiting protein denaturation and heat-inducing hemolysis. From the correlation results, anthocyanin, polyphenol, and triterpenoid contents were strongly correlated with DPPH free radical scavenging activity. Orthodiphenols, flavonols, and chlorophyll α were strongly correlated with FRAP, whereas orthodiphenols, hydrocinnamic acids, and triterpenoids were strongly correlated with total antioxidant activity. In terms of anti-inflammatory activity, orthodiphenols, hydrocinnamic acids, and triterpenoids correlated strongly with inhibition of bovine serum albumin denaturation activity, whereas terpenoids, flavonols, and chlorophyll correlated strongly with red cell membrane-stabilizing activity. In conclusion, the Moroccan Cynara cardunclus var. ferocissima leaf methanolic extract constitutes a promising source of phytochemicals with considerable antioxidant and anti-inflammatory activity.

Cyanra cardunclus L. var. ferocissima 在摩洛哥被广泛用作食品和传统药物。因此,本研究旨在首次确定该品种的植物化学成分含量以及抗氧化和抗炎活性。研究采用定性测试筛选提取物中的植物化学成分,并使用分光光度法进行定量。采用高效液相色谱法测定了糖的概况。抗氧化活性采用 DPPH、FRAP 和总抗氧化活性测定法进行体外测定,抗炎活性采用血清白蛋白变性和膜稳定测定法进行评估。提取物中含有大量的总多酚、氢化肉桂酸、花青素、叶绿素、正二酚、萜类和三萜类化合物。此外,还发现了五种糖类,其中棉子糖和蔗糖含量较高。该提取物通过清除自由基和还原力发挥了相当大的抗氧化活性。它通过抑制蛋白质变性和热引起的溶血而发挥抗炎作用。从相关性结果来看,花青素、多酚和三萜含量与 DPPH 自由基清除活性密切相关。正二萜、黄酮醇和叶绿素α与 FRAP 密切相关,而正二萜、氢化肉桂酸和三萜类化合物与总抗氧化活性密切相关。在抗炎活性方面,正二萜、氢化肉桂酸和三萜类化合物与抑制牛血清白蛋白变性活性密切相关,而萜类化合物、黄酮醇和叶绿素与红细胞膜稳定活性密切相关。总之,摩洛哥 Cynara cardunclus 变种 ferocissima 叶甲醇提取物是一种很有前景的植物化学物质来源,具有相当强的抗氧化和抗炎活性。
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引用次数: 0
Nutritional and Functional Value of Andean Native Legumes and Their Potential Industrial Application 安第斯原生豆科植物的营养和功能价值及其潜在的工业应用
IF 4 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-09 DOI: 10.1007/s11130-024-01233-3
Grethel Teresa Choque-Delgado, Ana Rosmery Condo-Mamani, Maribel Gabriela Quispe-Sucso, Bruce R. Hamaker

Legumes are edible seeds that have high nutritional and functional value. Their cultivation and consumption turn out to be an alternative to hunger and guarantee food security in vulnerable populations. This manuscript explores the nutritional and functional properties and potential uses of native Andean legumes such as Pajuro, Tarhui, Common bean, and Lima beans. They contain macro and micronutrients and bioactive compounds with antioxidant, antimicrobial, antidiabetic, and antihypertensive that benefit consumer health. These compounds are particular proteins, peptides, polyphenols, alkaloids, vitamins, minerals, and among others. Moreover, Andean legumes have shown industrial potential due to their technological properties that could be useful in adding value to other food products. These properties are due to their content of starch, oil, fiber, and protein that could facilitate their processing and obtain products with adequate sensory characteristics. Andean legumes have good nutritional and functional value and have the potential to be included in daily diets. Given the accumulated evidence, we believe that the consumption of Andean legumes in nature and processed should be strongly encouraged.

豆科植物是可食用的种子,具有很高的营养和功能价值。种植和食用豆科植物可以替代饥饿,保障弱势人群的粮食安全。本手稿探讨了安第斯原生豆类(如 Pajuro、Tarhui、Common bean 和 Lima beans)的营养和功能特性及潜在用途。它们含有宏观和微观营养素以及生物活性化合物,具有抗氧化、抗菌、抗糖尿病和抗高血压等功效,有益于消费者的健康。这些化合物包括蛋白质、肽、多酚、生物碱、维生素、矿物质等。此外,安第斯豆类因其技术特性而显示出工业潜力,可为其他食品增值。这些特性是由于它们含有淀粉、油脂、纤维和蛋白质,可以促进加工并获得具有适当感官特征的产品。安第斯豆类具有良好的营养和功能价值,有可能被纳入日常饮食。鉴于已积累的证据,我们认为应大力鼓励食用安第斯豆类的天然产品和加工产品。
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引用次数: 0
Blend of Baru (Dipteryx alata Vog.) By-Products as Nutritive and Healthy Food Ingredients: Chemical Composition, Functional Properties and Application in Plant-Based Burger. 作为营养健康食品配料的巴鲁(Dipteryx alata Vog.)副产品混合物:化学成分、功能特性及在植物性汉堡中的应用。
IF 3.1 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-01 Epub Date: 2024-05-25 DOI: 10.1007/s11130-024-01185-8
Daniela Canuto Fernandes, Geovana Ferreira Dos Santos, Mariana Oliveira Borges, Tiago Dias, Maria Margareth Veloso Naves

The chemical composition, antioxidant capacity and functional properties of mixtures of baru by-products, named baru food ingredients (BFI), were investigated and applied in a plant-based burger formulation. BFI were prepared from wasted baru by-products - partially defatted baru nut cake and baru pulp plus peel. A plant-based burger was developed and its chemical composition, antioxidant capacity, cooking and texture parameters were determined. BFI1 (50% partially defatted baru nut cake + 50% baru pulp plus peel) had the highest content of carbohydrate (31.9%), and dietary fibre (28.3%). BFI2 (75% partially defatted baru nut cake + 25% baru pulp plus peel) and BFI3 (90% partially defatted baru nut cake + 10% baru pulp plus peel) showed high concentration of protein and dietary fibre, and BFI3 had the highest protein content (29.5%). All BFI showed high concentration of total phenolics (402-443 mg GAE/100 g). Replacing textured pea protein of control burger (PPB) with 35% of BFI3 in the formulation of baru protein burger (BPB) resulted in a low-fat product (2.9%), with protein content (19.2%) comparable to the PPB (15.9%) and the commercial burger (mixed plant proteins - 16.3%). The BPB also showed a higher concentration of dietary fibre (4.9%) and phenolic compounds (128 mg GAE/100 g) than the control burger. BPB's cooking yield was the highest among the tested burgers. BPB had a softer texture when compared to other burgers. Baru food ingredients can be used as nutritive ingredients of health-promoting foods, especially in plant-based products, such as burger and meat analogues, or in hybrid meat products. BPB showed a healthy and nutritious profile.

研究了巴鲁副产品混合物(名为巴鲁食品配料(BFI))的化学成分、抗氧化能力和功能特性,并将其应用于植物汉堡配方中。BFI 由废弃的巴鲁副产品制备而成--部分脱脂巴鲁坚果饼和巴鲁果肉加果皮。开发了一种植物汉堡,并测定了其化学成分、抗氧化能力、烹饪和口感参数。BFI1(50%部分脱脂巴鲁坚果饼+50%巴鲁果肉加果皮)的碳水化合物(31.9%)和膳食纤维(28.3%)含量最高。BFI2(75% 部分脱脂巴鲁坚果饼 + 25% 巴鲁果肉加果皮)和 BFI3(90% 部分脱脂巴鲁坚果饼 + 10% 巴鲁果肉加果皮)显示蛋白质和膳食纤维含量较高,其中 BFI3 的蛋白质含量最高(29.5%)。所有 BFI 都显示出较高的总酚浓度(402-443 毫克 GAE/100克)。在巴鲁蛋白汉堡(BPB)的配方中,用 35% 的 BFI3 取代对照汉堡(PPB)中的纹理豌豆蛋白,可获得低脂肪产品(2.9%),蛋白质含量(19.2%)与 PPB(15.9%)和商业汉堡(混合植物蛋白 - 16.3%)相当。BPB 的膳食纤维含量(4.9%)和酚类化合物含量(128 毫克 GAE/100 克)也高于对照汉堡。在测试的汉堡中,BPB 的烹饪产量最高。与其他汉堡相比,BPB 的口感更软。巴鲁食品配料可用作促进健康食品的营养配料,特别是在植物性产品(如汉堡和肉类类似物)或混合肉类产品中。BPB 具有健康和营养的特点。
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引用次数: 0
Mexican Coccoloba uvifera L. Leaf and Fruit Extracts: Identification of Pentacyclic Triterpenes and Volatile Profile by GC-MS. 墨西哥 Coccoloba uvifera L. 叶和果提取物:利用 GC-MS 鉴定五环三萜类化合物和挥发性成分。
IF 3.1 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-01 Epub Date: 2024-05-25 DOI: 10.1007/s11130-024-01186-7
Montserrat Calderón-Santoyo, Carolina Calderón-Chiu, Frida Zoé Ragazzo-Calderón, Julio César Barros-Castillo, Juan Arturo Ragazzo-Sánchez

Mexican Coccoloba uvifera fruit contains polyphenols, flavonoids, and anthocyanins, while in the leaves, lupeol, α- and β-amyrin have been previously identified by HPLC. However, the low resolution by HPLC of pentacyclic triterpenes (PTs) is a limitation. Moreover, the volatile profile of C. uvifera fruit is still unknown. Therefore, this study aimed to identify PTs in C. uvifera leaf and fruit extracts by CG-MS analysis and to determine the volatile profile of C. uvifera pulp by headspace solid-phase microextraction. The results showed trimethylsilylated compounds of standards lupeol, α- and β-amyrin, indicating that the silylation reaction was suitable. These trimethylsilylated compounds were identified in leaf and fruit extracts. The fruit volatile profile revealed the presence of 278 esters, 20 terpenes, 9 aldehydes, 5 alcohols, and 4 ketones. The fruit showed a high content of esters and terpenes. Due to their flavour properties, esters are essential for the food, cosmetics, and pharmaceutics industries. Moreover, terpenes in the fruit, such as menthone, β-elemene, junipene, and β-caryophyllene have the potential as anticancer and phytopathogen agents. The results indicated that GC-MS is an alternative to HPLC approaches for identifying PTs. Besides, identifying volatile compounds in the fruit will increase the value of this plant and expand its application. Identifying PTs and volatile compounds in Mexican C. uvifera leads to a better understanding of the potential benefits of this plant. This would increase the consumption of Mexican C. uvifera fresh or as functional ingredients in nutraceutical or pharmaceutical products.

墨西哥可可豆果实中含有多酚、类黄酮和花青素,而叶片中的羽扇豆醇、α- 和 β-amyrin已被 HPLC 鉴定。然而,高效液相色谱法对五环三萜类化合物(PTs)的分辨率较低,这是一个局限。此外,C. uvifera 果实的挥发性特征仍然未知。因此,本研究旨在通过 CG-MS 分析鉴定 C. uvifera 叶和果提取物中的 PTs,并通过顶空固相微萃取确定 C. uvifera 果肉的挥发性特征。结果显示,标准羽扇豆醇、α- 和 β-amyrin的三甲基硅烷化化合物表明硅烷化反应是合适的。这些三甲基硅烷基化化合物在叶片和果实提取物中得到了鉴定。果实挥发性特征显示存在 278 种酯、20 种萜烯、9 种醛、5 种醇和 4 种酮。果实中的酯类和萜烯含量较高。由于具有调味特性,酯类是食品、化妆品和制药业的必需品。此外,果实中的萜烯,如薄荷酮、β-榄香烯、杜松烯和β-石竹烯,具有抗癌和植物病原体制剂的潜力。研究结果表明,气相色谱-质谱法可替代高效液相色谱法鉴定 PTs。此外,鉴定果实中的挥发性化合物将提高这种植物的价值并扩大其应用范围。鉴定墨西哥枸橘中的 PTs 和挥发性化合物有助于更好地了解这种植物的潜在益处。这将增加墨西哥枸橘的新鲜消费量,或作为营养保健品或药品中的功能成分。
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引用次数: 0
In-Vitro Cytotoxic, Hypoglycaemic, and Inhibitory α-Amylase and α-Glucosidase Potential of Flour of Improved Hull-Less and Hulled Barley Varieties. 改良无壳和有壳大麦品种面粉的体外细胞毒性、低血糖和抑制α-淀粉酶和α-葡萄糖苷酶的潜力
IF 3.1 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-01 Epub Date: 2024-05-25 DOI: 10.1007/s11130-024-01178-7
Sarita, Deepika, Anita Kumari, Surender Singh
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引用次数: 0
Identification and Molecular Mechanism of Anti-inflammatory Peptides Isolated from Jack Bean Protein Hydrolysates: in vitro Studies with Human Intestinal Caco-2BBe Cells. 从积豆蛋白水解物中分离出的抗炎肽的鉴定和分子机制:人肠道 Caco-2BBe 细胞体外研究。
IF 3.1 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-01 Epub Date: 2024-06-28 DOI: 10.1007/s11130-024-01201-x
Bambang Dwi Wijatniko, Yoshinari Yamamoto, Makoto Hirayama, Takuya Suzuki

Jack bean (JB), Canavalia ensiformis (L.) DC, is a commonly cultivated legume in Indonesia. It is rich in protein, which can be hydrolyzed, making it potentially a good source of bioactive peptides. Intestinal inflammation is associated with several diseases, and the production of interleukin-8 (IL-8) in intestinal epithelial cells induced by tumor necrosis factor (TNF)-α has an important role in inflammatory reaction. The present study investigated the anti-inflammatory effects of peptides generated from enzymatic hydrolysis of JB protein on human intestinal Caco-2BBe cells. Additionally, in silico approaches were used to identify potential bioactive peptides. JB protein hydrolysate (JBPH) prepared using pepsin and pancreatin reduced the IL-8 expression at protein and mRNA levels in Caco-2BBe cells stimulated with TNF-α. Immunoblot analysis showed that the JBPH reduced the TNF-α-induced phosphorylation of c-Jun-NH(2)-terminal kinase, nuclear factor kappa B (NF-κB), and p38 proteins. Anti-inflammatory activity was observed in the 30% acetonitrile fraction of JBPH separated on a Sep-Pak C18 column. An ultrafiltration method revealed that relatively small peptides (< 3 kDa) had a potent inhibitory effect on the IL-8 production. Purification of the peptides by reversed-phase and anion-exchange high performance chromatography produced three peptide fractions with anti-inflammatory activities. A combination of mass spectrometry analysis and in silico approaches identified the potential anti-inflammatory peptides. Peptides derived from JB protein reduces the TNF-α-induced inflammatory response in Caco-2BBe cells via NF-κB and mitogen-activated protein kinase signaling pathways. Our results may lead to a novel therapeutic approach to promote intestinal health.

蚕豆(JB),Canavalia ensiformis (L.) DC,是印度尼西亚常见的一种豆科植物。它含有丰富的蛋白质,可以水解,因此可能是生物活性肽的良好来源。肠道炎症与多种疾病相关,而肿瘤坏死因子(TNF)-α诱导的肠道上皮细胞产生的白细胞介素-8(IL-8)在炎症反应中起着重要作用。本研究探讨了酶水解 JB 蛋白生成的多肽对人肠道 Caco-2BBe 细胞的抗炎作用。此外,本研究还采用了硅学方法来识别潜在的生物活性肽。使用胃蛋白酶和胰蛋白酶制备的 JB 蛋白水解物(JBPH)可降低 TNF-α 刺激下 Caco-2BBe 细胞中 IL-8 在蛋白和 mRNA 水平上的表达。免疫印迹分析表明,JBPH 降低了 TNF-α 诱导的 c-Jun-NH(2)-末端激酶、核因子卡巴 B(NF-κB)和 p38 蛋白的磷酸化。通过 Sep-Pak C18 色谱柱分离 JBPH 的 30% 乙腈馏分,观察到了抗炎活性。超滤方法显示,相对较小的肽段 (
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引用次数: 0
Nutritional Value, Phytochemical Composition and Biological Activities of Lycium barbarum L. fruits from Serbia. 塞尔维亚枸杞果实的营养价值、植物化学成分和生物活性。
IF 3.1 2区 农林科学 Q2 CHEMISTRY, APPLIED Pub Date : 2024-09-01 Epub Date: 2024-07-03 DOI: 10.1007/s11130-024-01208-4
Tijana Ilić, Ivana Đuričić, Igor Kodranov, Ljuboš Ušjak, Stefan Kolašinac, Milan Milenković, Mirjana Marčetić, Dragana D Božić, Bojana B Vidović

Cultivation of goji berries (GB), fruits of Lycium barbarum L. (Solanaceae), is expanding worldwide, including in Europe. In this study, a comparative analysis of the nutritional value, chemical composition and in vitro biological activities of GB from different locations in Serbia was performed. Proximate compositions were evaluated according to standard methods. Minerals were assessed by inductively coupled plasma techniques, while fatty acids, sterols, and phenolic profiles were analyzed by gas- and liquid chromatography-based techniques coupled with flame-ionization, mass spectrometry, or diode array detection. The total content of phenolics, flavonoids, carotenoids, and polysaccharides was assessed using spectrophotometric methods. Methanol extracts from GB were examined for their antioxidant, enzyme inhibitory (α-amylase, α-glucosidase, acetylcholinesterase and tyrosinase) and antibacterial activities. Despite significant variations among samples from different locations, the results confirmed that GB are a valuable source of dietary fiber and protein and are characterized by favorable fatty acid profiles. Phytochemical analysis revealed that β-sitosterol, Δ5-avenasterol, and 24-methyldesmosterol are the predominant sterols and caffeic acid, gallic acid, quercetin and rutin are the main phenols. All GB samples showed both antioxidant and mild antimicrobial activity. A dose-dependent anti-enzymatic activity (IC50 ranging 1.68-6.88 mg/mL) was demonstrated. The results support further promotion of GB cultivation in Serbia and further investigations on their potential applications in various industries.

枸杞是茄科植物枸杞(Lycium barbarum L.)的果实,枸杞的种植在全球范围内不断扩大,欧洲也不例外。本研究对塞尔维亚不同地区枸杞的营养价值、化学成分和体外生物活性进行了比较分析。根据标准方法对近似成分进行了评估。矿物质通过电感耦合等离子体技术进行评估,脂肪酸、甾醇和酚类物质则通过气相和液相色谱法结合火焰离子化法、质谱法或二极管阵列检测法进行分析。酚类、类黄酮、类胡萝卜素和多糖的总含量采用分光光度法进行评估。对 GB 的甲醇提取物进行了抗氧化、酶抑制(α-淀粉酶、α-葡萄糖苷酶、乙酰胆碱酯酶和酪氨酸酶)和抗菌活性检测。尽管不同地区的样本之间存在很大差异,但研究结果证实,GB 是膳食纤维和蛋白质的重要来源,并具有良好的脂肪酸特征。植物化学分析显示,β-谷甾醇、Δ5-芒柄甾醇和 24-甲基去甾醇是主要的甾醇,咖啡酸、没食子酸、槲皮素和芦丁是主要的酚类。所有国标样品都具有抗氧化和温和的抗菌活性。抗酶活性呈剂量依赖性(IC50 为 1.68-6.88 mg/mL)。这些结果支持在塞尔维亚进一步推广 GB 栽培,并进一步研究其在各行业中的潜在应用。
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Plant Foods for Human Nutrition
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