Results 101 to 110 of about 42,623 (235)

Determination of L-Theanine and Caffeine Contents in Tea Infusions with Different Fermentation Degrees and Brewing Conditions Using the Chromatographic Method

open access: yesFoods
This study aimed to determine the caffeine and L-theanine contents in tea infusions prepared under varying fermentation degrees, brewing conditions (temperature and time), and serving methods (tea bag/loose-leaf). Infusions of six tea types (green, white,
Gamze Ayakdaş, Duygu Ağagündüz
doaj   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam   +3 more
wiley   +1 more source

Pulsed Light Technology in Food Safety and Preservation: Principles, Applications, and Future Directions

open access: yesFood Chemistry International, EarlyView.
Pulsed light technology uses short high‐intensity broad‐spectrum flashes (200–1100 nm) to inactivate microbes via DNA damage. It preserves food quality, extends shelf life, and works on liquids, meats, and produce, often combined with other hurdles for enhanced efficacy.
Abdul Mueez Ahmad   +4 more
wiley   +1 more source

Comprehensive Review on Advancements in Food Preservation Technologies for Quality and Sustainability

open access: yesFood Chemistry International, EarlyView.
Preservatives limit microbial development, oxidation, and enzymatic degradation, resulting in better food quality and extended shelf life. Classified as natural, synthetic, or biological, each preservative has distinctive attributes and modes of action. Growing preference for natural preservatives aligns with clean label trends.
Monica Suresh   +4 more
wiley   +1 more source

Lead‐free halide perovskites for efficient light‐emitting devices

open access: yesFlexMat, EarlyView.
Overview of Lead‐free metal halide perovskites with different categories and optoelectronic application directions, including solid‐state lighting, light‐emitting diodes, piezoluminescence, flexible electronics, scintillators and CPL emitters. Abstract Lead halide perovskites exhibit promising optoelectronic properties for optoelectronic applications ...
Yueqi Shen   +9 more
wiley   +1 more source

A Study on Change in Chemical Composition of Green Tea, White Tea, Yellow Tea,Oolong Tea and Black Tea with Different Extraction Conditions

open access: yesThe Korean Journal of Food And Nutrition, 2015
Young-Sang Lee   +9 more
openaire   +1 more source

Flexible photocatalytic materials: From substrate engineering to multi‐field synergistic enhancement

open access: yesFlexMat, EarlyView.
This review examines flexible photocatalytic systems, covering substrate evolution from polymers to biomass, fabrication methods like electrospinning, and key mechanical and optoelectrochemical metrics under deformation. Enhancement strategies are critically discussed, followed by applications in energy conversion, environmental remediation, and ...
Weiqi Wang   +3 more
wiley   +1 more source

Extraction, structural characterization, and antioxidant of pectin from pomelo peel

open access: yesFood Biomacromolecules, EarlyView.
Abstract Pomelo peel is a significant agro‐industrial by‐product that offers a promising source of pectin. The extraction conditions are crucial in determining both the yield and functional properties of this pectin for high‐value applications. This study investigates the effects of extraction pH, temperature, and time on the yield, structural ...
Jingteng Deng   +8 more
wiley   +1 more source

Characterization of Roasting Time on Sensory Quality, Color, Taste, and Nonvolatile Compounds of Yuan An Yellow Tea. [PDF]

open access: yesMolecules, 2022
Ye F   +14 more
europepmc   +1 more source

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