Characterization of effective antioxidant components of tropical fruit and vegetable species

... Identification of antioxidants in fruits and vegetables ….……………………… 21 III 1.6.1 Analysis of antioxidants in fruits and vegetables using HPLC/DAD…… …… .23 1.6.2 Analysis of antioxidants in fruits and vegetables ... fruits and vegetables…………………………… 73 3.3.3 Effects of antioxidant components on TAC of fruits and vegetables……………… 74 3.4 Assessing antioxidant capacity of fruits, vegetables and pure antioxidants…………… ... Antioxidant components of fruits and vegetables……………………………………… 68 3.3.1 L-Ascorbic acid contribution to TAC of selected fruits and vegetables…………… 68 3.3.2 Total phenolic contents of fruits and...

Báo cáo khoa học: Đánh giá đặc điểm hình thái các mẫu giống khế (Averrhoa carambola) Morphological characterization of star fruit (Averrhoa carambola) accessions doc

... KHKT Nông nghiệp, Tập số 1/2004 đánh giá đặc điểm hình thái mẫu giống khế (Averrhoa carambola) Morphological characterization of star fruit (Averrhoa carambola) accessions Cao Quốc Chánh, Nguyễn ... đợc mẫu giống cách xác Đặc điểm hình thái mẫu giống nhóm mẫu giống có đặc điểm riêng biệt phân lập theo nhóm nh : kép mọc đối mọc cách, to nhỏ, hình trứng nhọn elip dài 3.2 Đặc điểm hình thái ... nhiều mẫu giống QS 19 (7,7 đôi) HX5 (6,10 đôi), sau đến mẫu giống HX1, HX2, HX3, HX4, HX6, QS1, QS7, QS17 (có đôi) thấp mẫu giống QS15 (có đôi) Mỗi mẫu giống khế có đặc điểm hình thái kích thớc đặc...

Investigation of the antioxidant nature of tropical plants and fruits

... (ABTS●+ and DPPH●) Comparison of the spectrum of the extract with that of the reaction mixture allowed for easy identification of antioxidant VI peaks The structures of the major antioxidants of Rhoeo ... DPPH●) and the extract, the antioxidants profile of vacuum fried and fresh fruits could be compared The effect of different radicals on the antioxidant profile was also investigated Variations of ... This decay in the fluorescence is measured and the antioxidant capacity of the sample was determined as the difference in the area under the curve (AUC) of antioxidant and that of the blank as...

Tài liệu Báo cáo khoa học: The conformational stability of the Streptomyces coelicolor histidine-phosphocarrier protein Characterization of cold denaturation and urea–protein interactions doc

... (enzyme I of the PTS), the rst protein in the cascade of proteins forming the PTS, to HPr, the histidine-phosphocarrier protein HPr is the smallest protein in the protein cascade of the PTS and it ... (see above) Discussion The conformational stability and the cold- denaturation of scHPr The conformational stability of a protein, DG, is fully specied when the enthalpy and the entropy changes at ... determine the cold- denaturation at this urea concentration were unsuccessful, probably because of the absence of enough data in the cold- denaturation region of the curve (Fig 5B) b The values of the thermodynamic...

Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-afﬁnity substrate for H+/peptide cotransporters pdf

... sub5910 strates of H+ ⁄ peptide cotransporters, such as Gly-Sar, Ala-Ala, Lys-Lys, Ala-Asp, d-Phe-Ala, Ala-Ala-Ala, d-aminolevulinic acid, cefadroxil and Ala-4-nitroanilide (all 100 lm, Table 1) ... UK) Dexamethasone, apotransferrin, Gly-Gln, AlaAla, Ala-Ala-Ala, Lys-Lys, d-aminolevulinic acid, cefadroxil, Gly, Pro-Ala, 8-aminooctanoic acid and Gly-Sar were from Sigma-Aldrich (Deisenhofen, ... reversible, suggesting a competitive mode of action Uptake of Bip-[3H]Pro by SKPT cells After characterization of Bip-Pro as a very high-afﬁnity and enzymatically stable substrate of PEPT1 and PEPT2, the...

Báo cáo khoa học: Peroxiredoxins as cellular guardians in Sulfolobus solfataricus – characterization of Bcp1, Bcp3 and Bcp4 pot

... analysis of bcp1, bcp3 and bcp4 under oxidative stress The involvement of bcp1, bcp3 and bcp4 in oxidative stress was investigated by assessing mRNA levels following treatment of S solfataricus ... contrast, the Bcp3 sequence only shows one cysteine at position 42 in the N-terminal region Expression and puriﬁcation of Bcp1, Bcp3 and Bcp4 bcp1, bcp3 and bcp4 were ampliﬁed by PCR from S solfataricus ... form of pUC19 are indicated on the left by arrows Temperature dependence and thermostability of Bcp1, Bcp3 and Bcp4 To characterize the thermophilicity of recombinant Bcp1, Bcp3 and Bcp4, we investigated...

Báo cáo khoa học: Characterization of the tRNA and ribosome-dependent pppGpp-synthesis by recombinant stringent factor from Escherichia coli pot

... 6E) From these results it can be concluded that tRNAs were bound in classical states with the tRNAMet bound f in the P-sites of the 30S and 50S subunits and the tRNAPhe bound in the A-site of the ... SF and tRNA were added simultaneously to the reaction mixtures, in agreement with the results presented by Wendrich et al [7] tRNA and ribosome-dependent synthesis by stringent factor the tRNA ... and puriﬁed SF from E coli and examined the ribosome, template and tRNA- dependence of the pppGpp synthesis reaction Puriﬁcation of recombinant SF We started out by purifying SF by afﬁnity-chromatography...

Báo cáo khoa học: Functional and structural characterization of novel mutations and genotype–phenotype correlation in 51 phenylalanine hydroxylase deﬁcient families from Southern Italy docx

... analysis of the PAH gene in 51 unrelated HPA patients from Southern Italy In addition to the molecular epidemiology of PAH mutations, we characterized the functional properties of two novel mutations ... phenylalanine hydroxylase deciency in Southern Italy: a 96% detection rate with ten novel mutations Ann Hum Genet 71, 1 8519 3 10 Waters PJ (2003) How PAH gene mutations cause hyper-phenylalaninemia and ... analysis of novel mutations Among the mutations identied in our HPA population, two (i.e p.Q301P and c.707-2delA) were novel One of these mutations, p.Q301P, arises from the c.911A>C transversion in...

thermal oxide synthesis and characterization of fe3o4 nanorods and fe2o3 nanowires

... of the growth process of Fe2O3 nanowires Conclusions In summary, we successfully prepared Fe3O4 nanorods and Fe2O3 nanowires via a simple thermal oxide process We investigated the influence of ... composition of the sample, and the results can be seen in Figure 4(d) It can be clearly identified that the nanorods were composed of Fe and O elements, and the ratio of the number of atoms Fe and O ... account for the growth of these samples These Fe3O4 nanorods and Fe2O3 nanowires have poten1 tial applications in future magnetic materials, sensor materials and new type of catalysts Zaag P J...

Báo cáo khoa học: Characterization of inhibitory mechanism and antifungal activity between group-1 and group-2 phytocystatins from taro (Colocasia esculenta) pdf

... anti-papain activity, inhibitory patterns and anti-fungal activity Based on a comparative study of group-1 (Nt peptide) and group-2 (FL peptide), we discuss the inhibitory mechanism of group-2 phytocystatins ... Although antifungal activity of phytocystatins from taro, strawberry and chestnut has been reported previously [7,9,17], the mechanism of inhibitory activity of phytocystatins against phytopathogenic ... difference between group-1 and group-2 phytocystatins, and to examine the importance of the extended C-terminal region (Ct peptide of tarocystatin) with respect to interaction with anti-papain activity...

Báo cáo khoa học: Probing the active site of Corynebacterium callunae starch phosphorylase through the characterization of wild-type and His334ﬁGly mutant enzymes pot

... 17-fold enhancement of GL binding to the wild-type upon the addition of the same concentration of phosphate pH proﬁles The pH dependences of logarithmic rates of the H334G mutant and wild-type are ... wild-type and with an optimum pH of 6.5 A shift of the pH proﬁle of about + 0.5–1.0 pH units and an optimum pH similar to that of the wild-type was observed for the H334G mutant in the presence of 200 ... speciﬁc activities of the wild-type (33 UÆmg)1) and the H334G mutant (0.001 UÆmg)1) in the absence of imidazole P-NMR spectra for solutions of wild-type CcStP and the H334G mutant that contained...

Báo cáo khoa học: Characterization of the lipopolysaccharide and b-glucan of the ﬁsh pathogen Francisella victoria ppt

... between Fuc R and Fuc L (data not shown) After the determination of the structure of the product 3, the full sequence of the oligosaccharides and was determined by NMR All signals of the components ... victoria The inner core of the LPS of F victoria resembles the core of F tularensis and F novicida in the presence of oligosaccharide fragment b-Man-4-a-Man-5-a-Kdo (marked in bold font together ... H-3 of the Kdo C and H-6 of the Kdo D residues indicated the attachment of Kdo D in a-conﬁguration to O-4 of Kdo C All glycosidic linkages were identiﬁed on the basis of transglycosidic NOE and...

Báo cáo khoa học: Coexpression, puriﬁcation and characterization of the E and S subunits of coenzyme B12 and B6 dependent Clostridium sticklandii D-ornithine aminomutase in Escherichia coli potx

... sequence of oraE to those of known PLPdependent aminomutases reveals the presence of a conserved PLP-binding site, a lysine residue at position 629, at the C-terminus of the OraE protein [11] The binding ... alone, OraS protein can be expressed in a soluble form However, the OraE and OraS proteins were coexpressed in an Fig The over-expression of oraS and oraE at diﬀerent temperatures (A) Supernatant ... folding of the desired expressed protein can be improved at lower induction temperatures [8–10] As shown in Fig 1, the solubility of the overexpressed OraS and OraE increases with decreasing IPTG induction...

Báo cáo sinh học: "Functional characterization of human Cd33+ And Cd11b+ myeloid-derived suppressor cell subsets induced from peripheral blood mononuclear cells co-cultured with a diverse set of human tumor cell lines" docx

... this article as: Lechner et al.: Functional characterization of human Cd33+ And Cd11b+ myeloid-derived suppressor cell subsets induced from peripheral blood mononuclear cells co-cultured with a diverse ... serum and regulated by association of a latency protein, precluded clear neutralization data Characterization of human CD33+ and CD11b+ suppressor cells induced by tumor cell lines To characterize ... on a BD FACSCalibur flow cytometer and data acquisition and analysis were performed as above Data are from three unique donors and expressed as a fraction of labeled cells within a live -cell gate...

Báo cáo sinh học: " Application of FTA technology for sampling, recovery and molecular characterization of viral pathogens and virus-derived transgenes from plant tissues" doc

... for retrieval of viral pathogens from infected leaf tissues and for the detection of viralderived transgene sequences in transgenic plants Results Use of FTA for sampling, retrieval and PCR-based ... Effective methods for sampling, storage and retrieval of viral pathogens from infected plant tissues allows not only identification of the viral pathogens but also detailed molecular study of their genomes, ... consisted of 30 cycles of 94°C for min., 58°C for and 72°C for MSV F &MSVR : PCR conditions consisted of 30 cycles of 94°C for min, 59°C for and 72°C for mins C1F &C2R: PCR conditions consisted of 94°C...

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Từ khóa: can fruit and vegetable consumption oppose the negative health effects of tobacco in situ dynamic characterization of energy storage and conversion systems distribution characterization of mycobacterial glycolipids and host responses second and third order statistical characterization of non linearity and non gaussianity of adu quality parameters of fresh cut fruit and vegetable products textural characterization of extruded materials and influence of common additives theories and techniques in the characterization of drug substances and excipients modelling fruit and vegetable production the case of tomatoes use of haccp in fruit and vegetable production and post harvest pretreatment alternatives to hypochlorite washing systems for the decontamination of fresh fruit and vegetables ozone decontamination of fresh fruit and vegetables irradiation of fresh fruit and vegetables thermal treatments of fresh fruit and vegetables modified atmosphere packaging map and the safety and quality of fresh fruit and vegetables consumer risk in storage and shipping of raw fruit and vegetables Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018 Nghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THz đề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giải Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit ĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDE Phát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninh Nghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùng Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúng Nghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000 Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hương Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Chiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015 TÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ