Results 61 to 70 of about 577,492 (298)

Assessment of the aluminium contents of black tea and black tea infusions

open access: yesDiscover Food, 2022
AbstractThe aluminium (Al) can cause health problems to human being at overdose. The black tea is among the most common beverages in the world but may contain higher amount of Al. This study was conducted to determine Al content in black tea produced in Rize, Tabzon and Giresun/ Turkey and amount of Al transferred into tea infusions. Tea infusions were
Zarife Ozdemir, Oscar Zannou, Ilkay Koca
openaire   +1 more source

Inhibition of non-haem iron absorption in man by polyphenolic-containing beverages [PDF]

open access: yes, 1999
The effects of different polyphenol-containing beverages on Fe absorption from a bread meal were estimated in adult human subjects from the erythrocyte incorporation of radio-Fe.
Cook, James   +3 more
core   +3 more sources

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

open access: yesAdvanced Materials Interfaces, EarlyView.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins   +8 more
wiley   +1 more source

Upaya PT. Perkebunan Nusantara VIII Dalam Mengembangkan Ekspor Teh Hitam Ke Malaysia [PDF]

open access: yes, 2017
Indonesian is fifth tea exportir country in the world from volume side after Srilanka, Kenya, Tiongkok and India. Compared than kind of other teas, the black tea is the most produced tea namely about 78%, followed green tea 20% and the rest is oolong tea
Anova, A. (Alvianti), Pazli, P. (Pazli)
core  

A cytotoxicity and sub-acute toxicity study on tea leaves cultivated in Sabah [PDF]

open access: yes, 2020
The present work investigated the cytotoxicity capacity of the MDA-MB-231 (human cancer-derived), A549 (human lung cancer-derived), Caov3 (human ovarian cancer-derived), and HeLa (human cervical cancer-derived) cell lines on a wide range of tea leaves;
A. B., Mohd Fadzelly   +4 more
core  

Direct Laser Writing of Magnetic Micro Actuators With a Stimulus‐Responsive Compliant Hinge

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a versatile modular design strategy for adaptive 3D microactuators. Using two‐photon‐induced C,H insertion reactions within solid polymer layers, chemically distinct hinge and stimulus responsive materials are patterned in one step. The hinge's properties enable tunable motion, mechanical control, and reconfigurable actuation across
Eleonora Galli   +4 more
wiley   +1 more source

METODE ANALISIS SPEKTOFOTOMETRI VISIBEL UNTUK MENETAPKAN KONSENTRASI POLIFENOL DALAM TEH HITAM PRODUKSI TAMBI (Method Of Visible Spectrophotometry Analysis for Determining of Polifenol Concentration in Tambi Black Production Tea) [PDF]

open access: yes, 2017
Polyphenol in tea or often referred to as catechins are different substances with catechins contained in other plants. Catechins in tea do not adversely affect the digestion of food.
TIVANI, PRATIWI
core  

QBP1 Peptide as a Potential Anti‐Amyloidogenic Therapy for Type 2 Diabetes: An In Vitro Study

open access: yesAdvanced Science, EarlyView.
The anti‐amyloidogenic peptide QBP1 effectively halts human islet amyloid polypeptide (hIAPP) aggregation, preventing the formation of toxic β‐structured intermediates. Through a combination of biophysical assays, molecular dynamics, and cell‐based studies, QBP1 is shown to preserve β‐cell viability and metabolic homeostasis, positioning it as a ...
María M. Tejero‐Ojeda   +8 more
wiley   +1 more source

Chemopreventive effects of tea in prostate cancer: Green tea versus black tea [PDF]

open access: yesMolecular Nutrition & Food Research, 2011
AbstractThe polyphenol compositions of green tea (GT) and black tea (BT) are very different due to post‐harvest processing. GT contains higher concentrations of monomeric polyphenols, which affect numerous intracellular signaling pathways involved in prostate cancer (CaP) development.
Susanne M, Henning   +2 more
openaire   +2 more sources

Phytochemicals and antioxidant properties of different parts of Camellia sinensis leaves from Sabah Tea Plantation in Sabah, Malaysia [PDF]

open access: yes, 2013
This study was conducted to determine the total phenolic (TPC) and total flavonoid content (TFC) as well as the antioxidant activity of 50% ethanolic extracts from different parts of Camellia sinensis (shoot, young and matured leaves).
Mohd Fadzelly, A. B.   +1 more
core  

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