Article
Materials Science, Paper & Wood
Jie Xu, Jianjun Wu, Juan Qi, Juan Li, Yongju Liu, Zekai Miao, Guofeng Qiu, Wenke Jia
Summary: Flavonoids were successfully extracted from Phyllostachys heterocycla leaves using microwave-assisted extraction technology, with optimized extraction conditions determined through response surface methodology. The extracted flavonoids exhibited high antioxidant activities in vitro, suggesting Phyllostachys heterocycla leaves could be a promising natural source for antioxidants development. This research provides a theoretical reference for the further development and utilization of bamboo resources.
Article
Plant Sciences
Karima Gharsallah, Leila Rezig, Muhammad Shahid Riaz Rajoka, Hafiza Mahreen Mehwish, M. Abbas Ali, Sook Chin Chew
Summary: This article summarizes the applications of Moringa oleifera in pharmaceutical, food, cosmetics, and other industries, reviewing its extraction, processing, phytochemical composition, and industrial applications. It highlights the high antioxidant activity and various pharmaceutical benefits of Moringa oleifera, as well as its suitability for functional food product development, skin care ingredients, biodiesel industry, water treatment processing, and pharmaceutical industries.
SOUTH AFRICAN JOURNAL OF BOTANY
(2023)
Article
Multidisciplinary Sciences
Ying Xiao, Kai Shao, Jingwen Zhou, Lian Wang, Xueqi Ma, Di Wu, Yingbo Yang, Junfeng Chen, Jingxian Feng, Shi Qiu, Zongyou Lv, Lei Zhang, Peng Zhang, Wansheng Chen
Summary: In this study, crystal structures of three PLRs in different states and accompanying mutagenesis research provide insight into the catalytic mechanism of PLRs, suggesting a strategy for PLR engineering.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Applied
Jingyun Zheng, Baiyi Lu, Baojun Xu
Summary: The review provides new findings on the health effects of edible flowers since 2015, highlighting previously less mentioned benefits like anti-osteoporosis, anti-obesity, and anti-hypertensive properties. Newly discovered phytochemicals, such as polysaccharides, have been found to be beneficial for human health. Toxicity studies show that flower extracts are safe at levels of hundreds of parts per million in cell and animal models.
Article
Plant Sciences
Brilliant Nyathi, Jonathan Tatenda Bvunzawabaya, Chido Venissa P. Mudawarima, Emily Manzombe, Kudakwashe Tsotsoro, Major Allen Selemani, Gadzikano Munyuki, Freeborn Rwere
Summary: This study aimed to investigate the ability of bioactive phytochemicals from X. stuhlmannii (Taub.) to scavenge free radicals and inhibit alpha-glucosidases in order to reduce blood sugar. The results showed that the extracts of X. stuhlmannii (Taub.) had the potential to scavenge free radicals and inhibit alpha-glucosidases, suggesting their use as a potential treatment for type 2 diabetes.
JOURNAL OF ETHNOPHARMACOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Alan-Misael Alonso, Oscar Kevin Reyes-Maldonado, Ana Maria Puebla-Perez, Martha Patricia Gallegos Arreola, Sandra Fabiola Velasco-Ramirez, Victor Zuniga-Mayo, Rosa E. Sanchez-Fernandez, Jorge-Ivan Delgado-Saucedo, Gilberto Velazquez-Juarez
Summary: This study characterized different tissues of Pelargonium peltatum and evaluated their antioxidant and antimicrobial activities. The ethyl acetate fractions showed higher activity and lower minimum inhibitory concentrations against certain bacterial strains. The main compounds identified were 1,2,3-Benzenetriol and ethyl gallate.
Article
Agronomy
Jun-Hyoung Bang, Kyung Jun Lee, Won Tea Jeong, Seahee Han, Ick-Hyun Jo, Seong Ho Choi, Hyunwoo Cho, Tae Kyung Hyun, Jeehye Sung, Junsoo Lee, Yoon-Sup So, Jong-Wook Chung
Summary: This study examined the variation in antioxidant activities, total flavonoid contents, and total polyphenol contents among 120 accessions of nine Amaranthus species. Results showed significant diversity within and between species, with a consistent negative correlation between antioxidant activities and phytochemical contents. The nine species and 120 accessions were clustered into three groups based on their performance in terms of antioxidant activities, total flavonoid, and total polyphenol contents.
Article
Biochemistry & Molecular Biology
Cecilia Georgescu, Adina Frum, Lidia-Ioana Virchea, Anastasiia Sumacheva, Mark Shamtsyan, Felicia-Gabriela Gligor, Neli Kinga Olah, Endre Mathe, Monica Mironescu
Summary: The aim of this study was to investigate the chemical composition, antioxidant and antimicrobial activities of eight types of berries from Romania and Russia. The results showed that berries from Romania were richer in antioxidant compounds compared to berries from Russia. The antioxidant activity and chemical composition of the berries were influenced by cultivation conditions.
Article
Chemistry, Applied
Yanbin Wang, Yalan Zhang, Junwen Cheng, Jiancheng Zhao, Rui Shi, Liang He, Qin Li, Yongjian Chen
Summary: This study established the adsorption/desorption process of flavonoids from bamboo shoot residues using resin screening, adsorption isotherms, adsorption kinetics, and dynamic tests. The Langmuir equation and pseudo-second-order model were found to accurately describe the adsorption process. The optimal conditions for adsorption were a solution concentration of 2 mg/mL, a feed volume of 2.8 BV, and a flow rate of 2 BV/h, while for desorption, a 70% ethanol solution at a volume of 5 BV and a flow rate of 2 BV/h were used. After enrichment, the flavonoid content in the residues increased from 1.39% to 37.34%. Analysis also revealed that the purified residues were composed of four major flavonoids. The study found that the residues exhibited potent hypoglycemic activity via the PI3K/AKT pathway. These findings suggest the potential use of bamboo shoot residues as food additives.
Article
Plant Sciences
Juan Carlos Romero-Benavides, Nora Cecilia Atiencie-Valarezo, Rodrigo Duarte-Casar
Summary: This study evaluated the phytochemical composition and antioxidant activity of the methanolic extract of T. volubilis and identified four flavonoid compounds. The results support the traditional medicinal uses of T. volubilis.
Article
Food Science & Technology
Wannarat Phonphoem, Chomdao Sinthuvanich, Attawan Aramrak, Suteekarn Sirichiewsakul, Siwaret Arikit, Chotika Yokthongwattana
Summary: This study investigated the nutritional compositions, active ingredients, and antioxidant activities of Makapuno meat and water. Makapuno meat had higher dietary fiber and lower protein and fat content compared to normal coconut meat. Makapuno water exhibited antioxidant activities and protective effects against DNA damage.
Review
Chemistry, Medicinal
Karen Y. Reyes-Melo, Adrian A. Galvan-Rodrigo, Isai E. Martinez-Olivo, Guillermo Nunez-Mojica, Francisco G. Avalos-Alanis, Abraham Garcia, Maria del Rayo Camacho-Corona
Summary: Larrea tridentata is a dominant shrub in North American deserts known for its traditional uses and diverse chemical composition. Besides the well-studied NDGA, other metabolites such as 3'-demethoxy-6-O-demethylisoguaiacin contribute to various biological activities of the plant.
CURRENT TOPICS IN MEDICINAL CHEMISTRY
(2021)
Review
Plant Sciences
Marcello Nicoletti
Summary: In addition to European mistletoe, there are several other species commonly known as mistletoe, which are spread across various regions and share similar biological properties, including antioxidant effects. However, the scientific knowledge and medical uses of these species, unlike European mistletoe, are still insufficient.
Article
Multidisciplinary Sciences
Md Munnaf Hossen, Md. Nazim Uddin, Md. Shafiqul Islam Khan, S. M. Hedaytul Islam, Md. Hasanuzzaman, Ummey Hafsa Bithi, Md. Abu Tareq, Md. Nazmul Hassan, Abu Sayeed, Rahat Bin Robbani, Kanika Mitra
Summary: Compared to commercial desserts, cholesterol-free soymilk dessert (SOD) has higher protein and vitamin E content, lower fat and calcium content, more amino acids, and higher levels of antioxidants.
Article
Biochemistry & Molecular Biology
Nikolay V. Ul'yanovskii, Aleksandra A. Onuchina, Anna V. Faleva, Natalia S. Gorbova, Dmitry S. Kosyakov
Summary: The lignan-rich extractives obtained from the knotwood of coniferous trees have shown promising antioxidant properties and other bioactivities. This study aims to characterize the chemical composition and antioxidant activity of these extractives from Norway spruce, Scotch pine, Siberian fir, and Siberian larch. The results showed that the extractives contained a variety of polyphenolic compounds with significant antioxidant activity.