WE have been particularly interested in the report in NATUREby Bowden and Snow regarding the photochemistry of the vitamins, in view of our investigations of the absorption spectra of various vitamin Bconcentrates, a preliminary report of which was presented at the meeting of the American Chemical ...
Paper chromatography and chemical structure : III. The correlation of complex and simple molecules. the calculation of RM values for tocopherols, vitamins ... The chromatography of a series of phenylated p-cresols has been studied. It provides evidence that carbon-carbon hyperconjugation is of impo...
The main chemical constituents of Schisandra are lignans, polysaccharides, volatile oil and others such as organic acids, vitamins. Most of the lignans,whi... J Yang,W Ying,W Qiang,... - 《Biomirror》 被引量: 3发表: 2011年 [Study on the chemical constituents of vinegar Schisandra chinensis...
Ginseng also contains various trace elements, vitamins, and enzymes, which are beneficial to human health [11]. The active hemostatic substance in notoginseng is a special non-protein amino acid, dencichine, which has the structure of β-N-oxalyl-l-α,β-diaminopropionic acid [30,31]. Cui ...
Isoprenoids in living organisms range in function frompigmentsand fragrances tovitaminsandprecursorsofsex hormones. One of the most familiar natural substances,rubber, is a polyisoprene. Other commercially valuable isoprenoids are those used as flavourings, solvents, and raw materials for chemicals. ...
Structures of K-vitamins Vitamin K is a group name for a number of related compounds, which have in common a methylated naphthoquinone ring structure, and which vary in the aliphatic side chain attached at the 3-position (see figure 1). Phylloquinone (also known as vitamin K1) invariably co...
They can also be supplemented with proteins, vitamins, minerals, and fibres-rich ingredients to improve their nutritional value and sensory quality (Dhankhar et al. 2021). Omoba and Omogbemile (2013) emphasized the significance of biscuits as part of the commonly consumed baked cereal foods in...
Antioxidants: These are vitamins, minerals, and phytochemicals(natural plant chemicals) in foods that help neutralize free radicals, which occur as the result of oxidation caused by stressors like exposure to sunlight or pollution, stress, alcohol, or cigarette smoking.—Karla Walsh,Better Homes & ...
vitamins. Upon irradiation, α-helices of BSA transitioned to beta motifs and random coils, and the fluorescence emission intensity decreased relative to nonirradiated BSA. In the presence of the vitamins C or E, however, the irradiated BSA was protected from these structural changes caused by ...
A. unedo is already known as a good source of organic acids and antioxidants, including phenolic compounds, vitamins (C and E), and carotenoids [44,46]. Laurus nobilis L. (Lauraceae), is an evergreen tree cultivated in many warm regions of the world, especially in Mediterranean countries ...