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Boris Nemzer, Luis Vargas, Xiaoyan Xia, Marsha Sintara, Hao Feng
The effects of hot-air drying (AD), freeze drying (FD) and Refractance Window drying (RWD) on the retention of anthocyanins, phenolics, flavonoids, vitamin C and B, and antioxidant capacity (ORAC) in blueberries, tart cherries, strawberries, and cranberries, as well as organic acids and proanthocyanins in cranberries and chlorogenic acid and catchins in blueberries were evaluated. Changes in color, glass transition, specific heat, and surface morphology of the dried fruits were also evaluated. The quality retention in the dried fruits was found to be product and drying method specific...
October 1, 2018: Food Chemistry
Nikolaos Georgelis, Kristin Fencil, Craig M Richael
Sucrose and its constituent components, glucose and fructose, are major determinants of sweetness in fruits and cooking quality in plant storage organs, such as potato tubers. Accurate monitoring of these sugars provides a predictive assessment of plant product quality. High Performance Liquid Chromatography (HPLC) coupled to a variety of detectors has been the method of choice for selective detection and quantitation of sugars in plant tissues. However, sugar extraction can be time-consuming to obtain a clean and concentrated sample suitable for accurate quantitation...
October 1, 2018: Food Chemistry
R I Ventura-Aguilar, S Bautista-Baños, G Flores-García, L Zavaleta-Avejar
The antifungal effect of chitosan edible coatings (ChEC) functionalized with cinnamon essential oil and aqueous extract of Roselle calyces on Colletotrichum fragariae growth and physical-chemical, physiological and nutraceutical features of strawberries at 5 and 20 °C were evaluated. ChEC was characterized with respect to its water vapor permeability (WVP) and mechanical properties. Results indicated that C. fragariae grew from the third day in strawberries stored at 20 °C, whilst at 5 °C disease symptoms were observed after 10 days in fruit inoculated and treated with ChEC after 24 h...
October 1, 2018: Food Chemistry
Kinga Topolska, Radosław Piotr Radzki, Agnieszka Filipiak-Florkiewicz, Adam Florkiewicz, Teresa Leszczyńska, Ewa Cieślik
This study was designed to determine the effect of feeding female rats with low-calcium diet containing one of three fructan sources (Jerusalem artichoke, yacon, Beneo Orafti Synergy1), on selected bone parameters. Growing Wistar rats were fed modified AIN-93 G diet enriched in fructan sources (8%), added alone or as a strawberry sorbet ingredient. Two of eight groups were a validation model, where the positive control group was fed with recommended calcium dose in the diet (RCD), and negative one - with low calcium diet (LCD)...
May 10, 2018: Plant Foods for Human Nutrition
Adrián Garrido-Bigotes, Nicolás E Figueroa, Pablo M Figueroa, Carlos R Figueroa
Jasmonates (JAs) are signalling molecules involved in stress responses, development and secondary metabolism biosynthesis, although their roles in fleshy-fruit development and ripening processes are not well known. In strawberry fruit, it has been proposed that JAs could regulate the early development through the activation of the JAs biosynthesis. Moreover, it has been reported that JA treatment increases anthocyanin content in strawberry fruit involving the bioactive jasmonate biosynthesis. Nevertheless, JA signalling pathway, of which main components are the COI1-JAZ co-receptor and the MYC transcription factors (TFs), has not been characterized in strawberry until now...
2018: PloS One
Jinyi Liu, Xiaodong Fu, Yuwei Dong, Jun Lu, Min Ren, Ningning Zhou, Changquan Wang
MIKCC -type MADS-box (MIKCC ) genes encode transcription factors that have crucial roles in controlling floral organogenesis and flowering time in plants. Although this gene family has been well characterized in many plant species, its evolutionary and comprehensive functional analysis in rose is lacking. In this study, 58 non-redundant MIKCC uni-transcripts were extensively identified from rose transcriptomes. Phylogenetic analysis placed these genes into 12 clades with their Arabidopsis and strawberry counterparts, and revealed that ABCDE model (including AP1/FUL, AP3/PI, AG, and SEP clades), and SOC1 and AGL6 clade genes have remarkably expanded in Rosa chinensis , whereas genes from the FLC and AGL17 clades were undetectable...
2018: Horticulture Research
F T Hata, M U Ventura, V L Béga, I M Camacho, M T de Paula
Strawberry is affected by several pests and diseases. Neopamera bilobata is an emerging pest that has been reported by several strawberry growers, usually associated with catfacing symptoms in fruits. We evaluated intercropping garlic or Chinese chives on N. bilobata populations on strawberry crops grown in high tunnels in two experiments. In the first experiment, we evaluated N. bilobata populations on strawberry intercropping with garlic plants (three densities: 8, 16, 24 GP - garlic plant per plot) on the bags by taking 12 samples from December 2015 to April 2017...
May 8, 2018: Bulletin of Entomological Research
Ying Huang, Xiaolin Zhang, Chen Zhao, Xuhui Zhuang, Lin Zhu, Chao Guo, Yuan Song
Spinosad, a member of polyketide-derived macrolides produced in the actinomycete Saccharopolyspora spinosa, has been developed as a broad-spectrum and effective insecticide. The β-oxidation pathway could be an important source of building blocks for the biosynthesis of spinosad, thus the effect of vegetable oils on the production of spinosad in a high-yield strain was investigated. The spinosad production increased significantly with the addition of strawberry seed oil (511.64 mg/L) and camellia oil (520.07 mg/L) compared to the control group without oil (285...
May 4, 2018: Journal of Molecular Microbiology and Biotechnology
Оlena О Оshyvalova
OBJECTIVE: Introduction: Dermatologists of many foreign countries have been successfully using and developing dermatoscopy as a method of early diagnosis of skin tumors for three decades. It is believed that the vascular dermatoscopiccomponent is a promising criterion for the diagnosis of epidermal dysplasia of the skin and can be used for differential diagnosis. The aim of the work was to study the features of the vascular dermatoscopic component in actinic keratosis (AK), non-invasive (squamous cell carcinoma in situ-SCCis) and invasive forms of squamous cell carcinoma (cSCC)...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Igor Koloniuk, Jana Fránová, Tatiana Sarkisova, Jaroslava Přibylová
Strawberry crinkle disease is one of the major diseases that threatens strawberry production. Although the biological properties of the agent, strawberry crinkle virus (SCV), have been thoroughly investigated, its complete genome sequence has never been published. Existing RT-PCR-based detection relies on a partial sequence of the L protein gene, presumably the least expressed viral gene. Here, we present complete sequences of two divergent SCV isolates co-infecting a single plant, Fragaria x ananassa cv. Čačanská raná...
May 4, 2018: Archives of Virology
Enriqueta Moyano, Félix J Martínez-Rivas, Rosario Blanco-Portales, Francisco Javier Molina-Hidalgo, Pablo Ric-Varas, Antonio J Matas-Arroyo, José Luis Caballero, Juan Muñoz-Blanco, Antonio Rodríguez-Franco
NAC proteins are a family of transcription factors which have a variety of important regulatory roles in plants. They present a very well conserved group of NAC subdomains in the N-terminal region and a highly variable domain at the C-terminus. Currently, knowledge concerning NAC family in the strawberry plant remains very limited. In this work, we analyzed the NAC family of Fragaria vesca, and a total of 112 NAC proteins were identified after we curated the annotations from the version 4.0.a1 genome. They were placed into the ligation groups (pseudo-chromosomes) and described its physicochemical and genetic features...
2018: PloS One
Naoko Takeo, Masashi Nakamura, Satoshi Nakayama, Osamu Okamoto, Naoki Sugimoto, Shinichi Sugiura, Nayu Sato, Susumu Harada, Masao Yamaguchi, Naoya Mitsui, Yumiko Kubota, Kayoko Suzuki, Makoto Terada, Akiyo Nagai, Junko Sowa-Osako, Yutaka Hatano, Hiroshi Akiyama, Akiko Yagami, Sakuhei Fujiwara, Kayoko Matsunaga
BACKGROUND: Cochineal dye is used worldwide as a red coloring in foods, drinks, cosmetics, quasi-drugs, and drugs. The main component of the red color is carminic acid (CA). Carmine is an aluminum- or calcium-chelated product of CA. CA and carmine usually contain contaminating proteins, including a 38-kDa protein thought to be the primary allergen. Severe allergic reactions manifest as anaphylaxis. The aim of this study was to review all Japanese reported cases and propose useful diagnostic chart...
April 25, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
Ying Huang, Xu Xiao, Hongying Huang, Jinquan Jing, Hejuan Zhao, Lin Wang, Xi-En Long
Soil weakness across consecutive cropping fields can be partially explained by the changes in microbial community diversity and structure. Succession patterns and co-occurrence mechanisms of bacteria and fungi, especially beneficial or pathogenic memberships in continuous cropping strawberry fields and their response to edaphic factors remained unclear. In this study, Illumina sequencing of bacterial 16S ribosomal RNA and fungal internal transcribed spacer genes was applied in three time-course (1, 5, and 10 years) fields across spring and winter...
April 27, 2018: Applied Microbiology and Biotechnology
Kjersti Aaby, Ingunn Haugland Grimsbo, Maria Befring Hovda, Tone Mari Rode
The purpose of the study was to determine the effects of high pressure processing (HPP; 400-600 MPa, 20 °C, 1.5 or 3 min) and heat treatment (HT; 85 °C for 2 min) of strawberry purée and juice made from the same raw material. Microbiological and enzymatic inactivation, Brix, pH, anthocyanins, vitamin C, colour and sensory properties were analysed after processing and cold storage. The microbiological shelf life of the products was at least 49 days when processed at 500 or 600 MPa. Anthocyanins, vitamin C and colour were well preserved after HPP and HT...
September 15, 2018: Food Chemistry
Hirofumi Enomoto, Kei Sato, Koji Miyamoto, Akira Ohtsuka, Hisakazu Yamane
Anthocyanins, sugars, and organic acids contribute to the appearance, health benefits, and taste of strawberries. However, their spatial distribution in the ripe fruit has been fully unrevealed. Therefore, we performed matrix-assisted laser desorption/ionization (MALDI)-IMS analysis to investigate their spatial distribution in ripe strawberries. The detection sensitivity was improved by using the TM-Sprayer for matrix application. In the receptacle, pelargonidins were distributed in the skin, cortical, and pith tissues, whereas cyanidins and delphinidins were slightly localized in the skin...
April 26, 2018: Journal of Agricultural and Food Chemistry
K Jurica, I Brčić Karačonji, A Mikolić, D Milojković-Opsenica, V Benković, N Kopjar
Strawberry tree (Arbutus unedo L.) leaves have long been used in the traditional medicine of the Mediterranean region. One of their most bioactive constituents is the glycoside arbutin, whose presence makes A. unedo suitable as a potential substitute for bearberry [Arctostaphylos uva ursi (L.) Spreng] leaves, an herbal preparation widely used for treating urinary tract infections. The safety and biocompatibility of strawberry tree water leaf extract have not yet been documented well. This study estimated arbutin content in strawberry tree water leaf extract (STE) using high performance liquid chromatography...
April 25, 2018: Cytotechnology
Suzanne E Broxterman, Henk A Schols
To understand the architecture of the plant cell wall, it is of importance to understand both structural characteristics of cell wall polysaccharides and interactions between these polysaccharides. Interactions between polysaccharides were studied in the residue after water and chelating agent extraction by sequential extractions with H2 O and alkali. The 6 M alkali residue still represented 31%, 11% and 5% of all GalA present in carrot, tomato and strawberry, respectively, and these pectin populations were assumed to strongly interact with cellulose...
July 15, 2018: Carbohydrate Polymers
James W Jr Fetzner, Christopher A Taylor
Two new species of freshwater crayfish are described from the Ozarks Plateau of northern Arkansas and southern Missouri. Both species are restricted to the mainstem of rocky streams that are at least fourth-order or greater in size. Recent genetic and morphological investigations of the coldwater crayfish, Faxonius eupunctus Williams, 1952, indicated that it was actually composed of several undescribed species. Faxonius eupunctus is herein restricted to just the Eleven Point River system. Faxonius roberti, new species is found in the mainstem of the Spring and Strawberry river systems in northern Arkansas...
March 22, 2018: Zootaxa
Xiaofei Liang, Bo Wang, Qiuyue Dong, Lingnan Li, Jeffrey A Rollins, Rong Zhang, Guangyu Sun
The fungal genus Colletotrichum contains hemibiotrophic phytopathogens being highly variable in host and tissue specificities. We sequenced a C. fructicola genome (1104-7) derived from an isolate of apple in China and compared it with the reference genome (Nara_gc5) derived from an isolate of strawberry in Japan. Mauve alignment and BlastN search identified 0.62 Mb lineage-specific (LS) genomic regions in 1104-7 with a length criterion of 10 kb. Genes located within LS regions evolved more dynamically, and a strongly elevated proportion of genes were closely related to non-Colletotrichum sequences...
2018: PloS One
Brent D Short, Wojciech Janisiewicz, Fumiomi Takeda, Tracy C Leskey
BACKGROUND: Tetranychus urticae Koch, the two-spotted spider mite, is a highly polyphagous and worldwide pest of many agricultural crops, including fruit, vegetables, and ornamentals. Typical methods of control include applications of acaricides and biological control agents. Here, we present a non-chemical technology for management of T. urticae on strawberry plants through the use of a nightly short duration UV-C irradiation treatment. RESULTS: Potted strawberry plants infested with T...
April 24, 2018: Pest Management Science
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