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Today: 11 April 2021, Sunday.

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#1

 

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Description Natural cyan might one day replace synthetic dyes

#Food
Field # Food
Updated 09 April 2021

#2

 

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Description Qifa Zhang describes how a 2008 publication in Nature Biotechnology on transgenic purple tomatoes inspired him to tackle food security by improving the nutrient and culinary value of black rice.

#Food
Field # Food
Updated 08 April 2021

#3

 

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Name
Description People expect dark and milk chocolate to be taste more bitter if it is in black packaging, while yellow and pink packaging is associated with sweeter-tasting chocolate

#Food
Field # Food
Updated 08 April 2021

#4

 

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Description A new order in Mumbai allows the home delivery of food and other essential items by delivery partners 24 hours a day. The order even allows deliveries from restaurants during the weekend lockdowns across the city.

#Food
Field # Food
Updated 07 April 2021

#5

 

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Name
Description New treatment gets starving children on the right growth trajectory

#Food
Field # Food
Updated 07 April 2021

#6

 

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Name
Description TBD

#Food
Field # Food
Updated 07 April 2021

#7

 

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Name
Description Scientists have come up with a natural cabbage-based alternative to artificial blue food colouring and used it to make blue ice cream and other foods

#Food
Field # Food
Updated 07 April 2021

#8

 

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Name
Description Hyundai Ioniq 5 is being pitched by the company as an electric car that can supply enough power to run appliances including refrigerators and stoves. It’s part of a push by Hyundai to appeal to a younger audience as it plays catch-up in the EV market.

#Food
Field # Food
Updated 07 April 2021

#9

 

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Name
Description Rise gardens is an indoor hydroponic garden with Wi-Fi and built-in LED lights that lets you grow anything, anywhere.

#Food
Field # Food
Updated 07 April 2021

#10

 

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Description This experiment aimed to investigate the effect of dietary Nigella sativa on the cell-mediated immune response. Eighteen male Wistar rats were divided equally into a control group and treated groups that received black seeds at rates of 30 and 50 g/kg in the diet (Sa30 and Sa50 groups, respectively, for 30 days. The weight gain, feed intake, feed conversion ratio (FCR), and cell-mediated immune response were monitored after the injection of 0.1 mL of 10% phytohemagglutinin (PHA). The intumesce index, serum total antioxidant capacity (TAC), catalase (CAT), interleukin-12 (IL-12), gamma interferon (γ-IF) and tumor necrosis factor alpha (TNF-α) were determined. Histopathological examination and an immunohistochemistry analysis of splenic caspase-3 and CD8 were performed. Nigella sativa significantly improved the weight gain and FCR. Intumesce index of Sa50 group was significantly increased. Nigella sativa significantly increased TAC, CAT, IL-12, γ-IF and TNF-α. A histological examination of PHA-stimulated foot pads showed increased leukocyte infiltration and edema in a dose-dependent pattern. Splenic caspase-3 and CD8 showed significant decreases and increases, respectively, in the Sa30 and Sa50 groups. The results indicate that Nigella sativa seeds exhibit immunostimulatory function through their antioxidant potential, induction of cytokine production, promotion of CD8 expression and reduction of splenic apoptosis.

#Food
Field # Food
Updated 06 April 2021

#11

 

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Description Activated carbon can be manufactured from waste coffee grounds via physical and/or chemical activation processes. However, challenges remain to quantify the differences in surface morphology between manufactured activated carbon granules and the waste coffee grounds. This paper presents a novel quantitative method to determine the quality of the physical and chemical activation processes performed in the presence of intensity inhomogeneity and identify surface characteristics of manufactured activated carbon granules and the waste coffee grounds. The spatial density was calculated by the Getis-Ord-Gi* statistic in scanning electron microscopy images. The spatial characteristics were determined by analyzing Ripley’s K function and complete spatial randomness. Results show that the method introduced in this paper is capable of distinguishing between manufactured activated carbon granules and the waste coffee grounds, in terms of surface morphology.

#Food
Field # Food
Updated 06 April 2021

#12

 

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Description A field experiment employing the rice cultivars Qyou6 and Yixiangyou2115 as materials and different nitrogen application rates was conducted in Huangping County, Guizhou Province in 2019 to determine the effects of nitrogen application rate on photosynthetic pigments, leaf fluorescence characteristics, yield, and their interrelations in indica hybrid rice. The results showed that photosynthetic pigment contents generally increased with increasing nitrogen application rate. As the nitrogen rate increased, the maximal quantum yield of PSII (Fv/Fm), actual quantum yield of PSII (ΦPSII), and relative electron transfer rate at PSII (ETR) first decreased and then increased at the booting stage; Fv/Fm and ΦPSII decreased while ETR first increased and then decreased at the heading stage; nevertheless, Fv/Fm and ΦPSII first decreased and then increased but ETR was just the opposite at the maturity stage. Non-photochemical quenching coefficient (qN) and quantum yield of regulatory energy dissipation at PSII (Y(NPQ)) first increased and then decreased whereas quantum yield of non-regulatory energy dissipation at PSII (Y(NO)) first decreased and then increased at the booting, heading, and maturity stages with increasing nitrogen application rate. Photochemical quenching coefficient (qP) showed an increasing trend as the nitrogen rate increased in the range of 150–300 kg/ha at the heading and maturity stages. Photosynthetic pigments, leaf fluorescence characteristics, and yield and its components were significantly correlated. First, chlorophylls a and b were significantly negatively correlated with Fv/Fm while significantly positively correlated with qP at the heading stage. Secondly, Carotenoids were significantly positively correlated with the effective panicle number (EPN) at the booting stage while significantly negatively correlated with the spikelets per panicle (SPP) at the heading stage. Chlorophyll a and carotenoids were significantly positively correlated with EPN but significantly negatively correlated with spikelet filling (SF) at the maturity stage. In addition, qP was significantly negatively correlated with EPN at the booting stage. At the heading stage, Fv/Fm and Y(NO) were significantly negatively correlated with EPN and SPP, respectively, and Fv/Fm and ΦPSII were significantly positively related to SF. Moreover, qP was extremely significantly positively related to EPN whereas Fv/Fm was extremely significantly negatively correlated with grain yield at the maturity stage. Appropriate nitrogen application rates can enhance photosynthetic pigment contents, improve the photochemical efficiency and proportion of the open part of the reaction center of PSII, and promote the quantum efficiency and self-protection ability of PSII, thereby increasing photosynthetic efficiency and yield. Under the conditions adopted in this experiment, a parabolic relationship was observed between the nitrogen application rate and grain yield. The regression analysis results showed that the best nitrogen application rate of indica hybrid rice is 168.16 kg ha−1 and the highest yield is 11,804.87 kg ha−1.

#Food
Field # Food
Updated 05 April 2021

#13

 

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Name
Description TBD

#Food
Field # Food
Updated 04 April 2021