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Article
Acrylamide formation in air-fryer roasted legumes as affected by legume species and roasting degree: the correlation of acrylamide with asparagine and free sugars
Acrylamide is a well-recognized hazardous compound with known carcinogenic, genotoxic, neurotoxic, and reproductive toxic effects. This research aimed to investigate how different legume species and roasting d...
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Article
Effects of cooking methods on antioxidant activity and acrylamide formation in red bell pepper (Capsicum annuum L.)
Red bell pepper (Capsicum annuum L.) is a popular and nutritious vegetable. In this study, oven cooking (OV), air-frying (AF), and infrared grilling (IR) were used to cook red bell peppers at different temperatur...
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Article
Hexane extract of green tea (Camellia sinensis) leaves is an exceptionally rich source of squalene
Squalene is a cancer chemo-preventive and skin protective agent with high commercial demand. Here, we report for the first time that the green tea (Camellia sinensis) leaves is a surprisingly rich plant-based sou...
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Article
Heat-induced conversion of gingerols to shogaols in ginger as affected by heat type (dry or moist heat), sample type (fresh or dried), temperature and time
The impact of heat type, sample type, temperature and time on the heat-induced conversion of gingerols to shogaols in ginger were studied by an UHPLC–ESI–MS/MS. Heat treatments greatly induced the conversion o...
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Article
Inorganic arsenic contents in infant rice powders and infant rice snacks marketed in Korea determined by a highly sensitive gas chromatography-tandem mass spectrometry following derivatization with British Anti-Lewisite
Toxic inorganic arsenic (iAs) has been reported to be present in high quantity in rice and rice-based products. The inorganic arsenic contents in infant foods (n = 59) of ready-to-cook infant rice powders and ...
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Article
Protective effect of gallic acid on the thermal oxidation of corn and soybean oils during high temperature heating
The comparative protective effects of gallic acid with well-known synthetic antioxidants (tert-butylhydroquinone, butylated hydroxylanisole, propylgallate) on the thermal oxidations of corn and soybean oils du...
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Article
Kinetic study on the singlet oxygen quenching activity of nordihydroguaiaretic acid (NDGA) using methylene blue sensitized photooxidation of α-terpinene
Singlet oxygen is highly reactive and can therefore induce rapid oxidation of a range of biological molecules, causing cell damages. The effects of nordihydroguaiaretic acid (NDGA) on the photochemical singlet...
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Article
Quantitative determination of conjugated linoleic acids in hydrogenated vegetable oils using refractive index
Conjugated linoleic acid contents in hydrogenated vegetable oils were differentially determined using refractive indices when the iodine value could not be used. The refractive indices of soybean oil, cottonse...
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Article
Autoxidation and photooxidation of triacylglycerols containing conjugated linoleic acids
Soybean, cottonseed, and corn oils were hydrogenated to obtain triacyglycerols containing conjugated linoleic acids. The oxidative stability of soybean oil, cottonseed oil, and corn oil was less with CLA than ...
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Article
Antiphotooxidative activities of elm (Ulmus davidiana Planch) root bark extracts on methylene blue-sensitized photooxidation of lipids and isolation and identification of active compounds
Methanol extracts of elm (Ulmus davidiana Planch) root bark were fractionated and purified to obtain active antiphotooxidative compounds against methylene blue sensitized photooxidation of oil. Crude extracts of ...
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Article
Optical property and apparent color of wild grape (Vitis coignetiea) extract
The total anthocyanins extract was prepared from wild grape (Vitis coignetiea) as a feasible source of natural colorant. Amounts of total and several major individual anthocyanins were determined, and colors at v...
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Article
Optimization of the refining process of camellia seed oil for edible purposes
Processing conditions during degumming, alkaline refining, bleaching, and deodorization of crude camellia seed oil were optimized to obtain high-quality edible camellia oil. Physicochemical properties of camel...
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Article
Protective activities of catechins on singlet oxygen induced photooxidation of α-terpinene in methanol: structure and singlet oxygen quenching activity relationship
The protective activities of 6 different catechins on the singlet oxygen induced photooxidation of α-terpinene in methanol were studied to find out the relation between their structure and singlet oxygen quenc...
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Article
Effects of green tea catechin on the lipid oxidation, volatile compound formation, and losses of retinol and α-tocopherol in whole milk during light illumination as compared with ascorbic acid
Effects of green tea catechin (GTC, catechin content 61.4%) on the formations of hydroperoxide, malonaldehyde, and volatile compounds, and losses of retinol and tocopherol in milk during light illumination wer...
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Article
Effects of catechins and green tea extract on the photosensitized singlet oxygen oxidation of linoleic acid in a model system as compared with α-tocopherol
Effects of catechins and green tea extract (GTE) on the photosensitized singlet oxygen oxidation of linoleic acid were studied. Epigallocatechin gallate (EGCG) showed the highest antioxidant activity, followed...
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Article
Selectively Hydrogenated Soybean Oil Exerts Strong Anti-Prostate Cancer Activities
Prostate cancer is the second leading cause of male deaths due to cancer in the United States. Hydrogenated vegetable oils have been suspected of inducing adverse health effects, including atherosclerosis and ...
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Article
Cytotoxic components from the dried rhizomes of Zingiber officinaleRoscoe
Five compounds were isolated from the chloroform-soluble fraction of the methanolic extract of the dried rhizomes of Zingiber officinale (Zingiberaceae) through repeated column chromatography. Their chemical stru...
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Article
CLA formation in oils during hydrogenation process as affected by catalyst types, catalyst contents, hydrogen pressure, and oil species
The effects of types and amount of catalysts, hydrogen pressure, and kinds of vegetable oils on the formation of CLA isomers were studied during hydrogenation. CLA isomers were identified by using a silver ion...
