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Jun 29, 2020Open    AccessArticle

Micronutrient Contents of Heritiera fomes Species at Three Saline Zones of the Sundarban Mangrove Forest, Bangladesh

Hasina Mariam, A. N. M. Alamgir
Micronutrient or essential heavy metals viz. Copper (Cu), Zinc (Zn) and Iron (Fe) distribution trend were studied at the age of 6, 9 and 30 months old Heritiera fomes seedlings at three distinct saline zones viz. Chandpai (Oligohaline), Jungra (Mesohaline) and Munshiganj (Polyhaline) of the Sundarban mangrove forest. Among the observed micronutrients, Fe content comparatively lower than Cu and Zn. Relatively higher Cu was found in the root of 6 month age Heritiera fomes seedlings grown at the Ch...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106425


Apr 30, 2020Open    AccessArticle

Optimization of Fermentation Process Enhancing Quality of Dandelion Black Tea on the Functional Components, Activity and Sensory Quality

Yaru Ning, Zhe Wu, Zhaojia Li, Ran Meng, Zhizhong Xue, Xiuping Wang, Xuelin Lu, Xiaodong Zhang
The fermentation technology of dandelion black tea was optimized by Box-Behnken response surface method. Combined with sensory evaluation and biochemical analysis, the effects of fermentation conditions such as temperature, time and humidity on the functional components, sensory quality and antioxidant function of dandelion black tea were evaluated. Results showed that under the conditions of fermentation temperature of 25?C, humidity of 80% and time of 15 h, functional properties of dandelion b...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106323


Jan 14, 2020Open    AccessArticle

Effect of H2O2-Mediated Endophytic Fungal Elicitors on Essential Oil Accumulation in Suspension Cells of Cinnamomum longepaniculatum

Kuan Yan, Yu Zheng, Lan Hu
Hydrogen peroxide (H2O2) is a signal molecule that plays a crucial role in plant secondary metabolism. In order to explore the signaling mechanism of endophytic fungal elicitors (Penicillium commune 2J1) for promoting 1,8-eucalyptus accumulation in C. longepaniculatum, changes in the contents of H2O2 and 1,8-eucalyptus were investigated after the addition of elicitors to the C. longepaniculatum cultures. The experimental results s
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Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106034


Jan 09, 2020Open    AccessArticle

Removing Antibiotic-Resistant Bacteria (ARB) Carrying Genes (ARGs): Challenges and Future Trends

Djamel Ghernaout, Noureddine Elboughdiri
Developed control of chemical disinfection techniques is beginning to be pro-gressively significant in order to equilibrate under-treatment (minimal pathogen demobilization) and over-treatment (immoderate consumption of disinfectant and disinfection by-products generation) that way giving great ecological and economic advantages. This work reviews the most recent and pertinent re-searches in this field of eliminating Antibiotic-re
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Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106003


Jan 03, 2020Open    AccessArticle

Effects of SA and H2O2 Mediated Endophytic Fungal Elicitors on Essential Oil in Suspension Cells of Cinnamomum longepaniculatum

Kuan Yan, Linman He, Kangjia Yang
Salicylic acid (SA) and hydrogen peroxide (H2O2) are signal molecule that plays crucial roles in plant secondary metabolism. In order to explore their roles in mediating the effect of endophytic fungal elicitors on essential oils in the suspension cells of Cinnamomum longepaniculatum fungus, an elicitor made of Penicillium sp. was used as material in this experiment. Cell suspension culture was used to study the effects of SA and
...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106009


Nov 26, 2019Open    AccessArticle

Determination of Theobromine and Caffeine in Theobroma cacao Husk from Ethanolic Extract by GC-MS after CC Separation

José González, Max Monan, Julio Perez, Enrique Gómez, Damaris De La C. Salgado, Danae Pérez
After CC separation of 21 samples from Theobroma cacao Husk was analyzed by GC-MS, from ethanolic extract at 90% was recovered a solid residue of 1 g after several days on the table of the Lab. This main residue (300 mg) was analyzed after successive separations with mixtures of CHCl3: MeOH (7:3) and CHCl3: MeOH (5:5) in CC using Sílica Gel G 60-120 Mesh. All samples were analyzed by TLC on silica gel with fluorescent indicator 25
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Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105771


Oct 15, 2019Open    AccessArticle

Effect of Different Inducers on the Essential Oil of Suspension Culture Cells from Cinnamomum longepaniculatum

Linman He, Kuan Yan, Mingbo Xiao
In this study, the effects of different inducers on the accumulation of essential oil (1,8-eucalyptus) in suspension cells of Cinnamomum longepaniculatum were studied by adding different inducers, and the differences in the effects of different inducers on the yield and quality of essential oil in suspension cells of C. longepaniculatum were revealed. The results showed that under the same conditions, the additi
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105803


Sep 17, 2019Open    AccessArticle

Effect of Ca2+-Mediated Endophytic Fungal Elicitors on Essential Oil Accumulation in Suspension Cells of Cinnamomum longepaniculatum

Kuan Yan, Rui Li, Qin Wei
Calcium ion (Ca2+) is a signal molecule that plays crucial roles in plant secondary metabolism. In order to explore the signaling mechanism of endophytic fungal elicitors (Penicillium commune 2J1) for promoting esse
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105764


Apr 11, 2019Open    AccessArticle

Effects of Different Inducer on the Accumulation of Essential Oil from Endophytic Fungi of Cinnamomum longepaniculatum

Kuan Yan, Ping Yuan, Qin Wei
The aim of this study was to investigate the effect of different inducer on the accumulation of essential oil in C. longepaniculatum endophytic fungus. The effect of the essential oil accumulation in the C. longepaniculatum fungus was studied by adding different inducer with an C. longepaniculatum endophytic fungus (serial number 2J1) with the ability of producing essential oil. The results sh
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105337


Dec 21, 2018Open    AccessArticle

DNA Fingerprinting and Assessment of Genetic Diversity among 22 Cowpea [Vigna unguiculata (L.) Walp] Varieties Grown in Ghana

Benjamin A. Danso, Daniel K. Dzidzienyo, Ruth N. A. Prempeh, Marian D. Quain
Identification of varieties based on only morphological traits is limited by the influence of environment on such morphological traits. Deoxyribonucleic acid (DNA) fingerprinting offers an efficient system of identifying varieties at the DNA level without any environmental interference. This work used 20 Simple Sequence Repeat (SSR) markers to characterise twenty-two cowpea [Vigna unguiculata (L.) Walp] varieties for the purposes
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Open Access Library J. Vol.5, 2018
Doi:10.4236/oalib.1104938


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