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Prediction of black tea fermentation quality indices using NIRS and nonlinear tools
Springer Science and Business Media LLC - Tập 26 - Trang 853-860 - 2017
Chunwang Dong, Hongkai Zhu, Jinjin Wang, Haibo Yuan, Jiewen Zhao, Quansheng Chen
Catechin content, the ratio of tea polyphenols and free amino acids (TP/FAA), as well as the ratio of theaflavins and thearubigins (TFs/TRs) are important biochemical indicators to evaluate fermentation quality. To achieve rapid determination of such biochemical indicators, synergy interval partial least square and extreme learning machine combined with an adaptive boosting algorithm, Si-ELM-AdaBo... hiện toàn bộ
Salt substitute effect of flavorings and intensity rating of beef soup in different test settings
Springer Science and Business Media LLC - Tập 19 Số 6 - Trang 1421-1427 - 2010
Nam E Kang, Kyungwon Lee, Mi Sook Cho
Classification and fatty acid composition analysis of Cronobacter spp. isolated from powdered infant formula in China
Springer Science and Business Media LLC - Tập 25 - Trang 1109-1113 - 2016
Xiaojuan Yang, Qingping Wu, Jumei Zhang, Weipeng Guo, Shuping Mo, Shengrong Liu
This study aimed to classify a collection of Enterobacter sakazakii (E. sakazakii) strains previously identified from powdered infant formula (PIF) to species level by recN gene sequencing and biochemical testing to determine the distribution of Cronobacter species in China and investigate the strain diversity by cellular fatty acid (CFA) analysis. Of 24 E. sakazakii isolates, 23 were identified a... hiện toàn bộ
The effects of extracting procedures on occurrence of polycyclic aromatic hydrocarbons in edible oils
Springer Science and Business Media LLC - Tập 29 - Trang 1181-1186 - 2020
Joon-Goo Lee, Jung-Hyuck Suh, Hae-Jung Yoon
Polycyclic aromatic hydrocarbons (PAHs) are one of the most hazardous naturally occurring chemical contaminants of food. Edible oils are easily contaminated by PAHs generated during high-temperature processing steps such as oil extraction and refining. In this study, the effects of different extraction methods on the levels of PAHs in sesame oils and red pepper seed oils were assessed. GC–MS was u... hiện toàn bộ
Tối ưu hóa quy trình chiết xuất các alcaloid sinh học và chất chống oxy hóa từ củ rễ coptis (Coptis Chinensis Franch) bằng phương pháp bề mặt đáp ứng Dịch bởi AI
Springer Science and Business Media LLC - Tập 21 - Trang 799-806 - 2012
Hui Teng, Yong Hee Choi
Điều kiện tối ưu cho việc chiết xuất các alcaloid sinh học và chất chống oxy hóa từ củ rễ coptis đã được xác định bằng cách sử dụng phương pháp bề mặt đáp ứng (RSM). Một thiết kế tổ hợp trung tâm nhỏ (SCD) đã được áp dụng để điều tra ảnh hưởng của 3 biến quy trình như thời gian chiết xuất (3–7 giờ), nồng độ ethanol (0–100%) và tỷ lệ dung môi so với mẫu (25–45 mL/g) trong quá trình chiết xuất. Phân... hiện toàn bộ
#alcaloid sinh học #chất chống oxy hóa #củ rễ coptis #phương pháp bề mặt đáp ứng #tối ưu hóa chiết xuất
Analysis of chemical compounds and toxicological evaluation of Forsythia suspensa leaves tea
Springer Science and Business Media LLC - Tập 30 - Trang 305-314 - 2021
Da-Hong Wang, Meng-Yang Wang, Wen-Hao Shen, Jiang-Feng Yuan
To determine the compositions of Forsythia suspensa leaves tea (FSLT) and its safety, the chemical compounds were analysed with some methods, and the toxicity was evaluated in Kunming mice and Wistar rats. The results showed that FSLT contained rich flavonoid, lignans, triperpene acids, amino acids, and mineral elements. In the acute toxicity study, none of the mice died, and no obvious poisoning ... hiện toàn bộ
Multivariate analysis of original identification and chemical markers exploration of Chinese ginger
Springer Science and Business Media LLC - Tập 32 - Trang 911-920 - 2023
Mengqing Guo, Qian Shen, Yu Wu, Lili Li, Lin Zhang, Yu Wang, Yanjun Zhang, Pengwei Zhuang, Hong Guo
Ginger (Zingiber officinale) is one of the most widely consumed dietary supplements. However, the content of active ingredients varied greatly from place to place. In this study, we first identified and compared the compositions of ginger samples from six different origins. Then, we evaluated the anti-inflammatory activity of different samples in LPS-stimulated RAW264.7 cells. The results indicate... hiện toàn bộ
Low molecular weight β-glucan stimulates doxorubicin-induced suppression of immune functions in mice
Springer Science and Business Media LLC - Tập 21 - Trang 645-651 - 2012
Nak-Yun Sung, Eui-Baek Byun, Du-Sup Song, Young-Choon Yoo, Jae-Kyung Kim, Jong-Heum Park, Beom-Seok Song, Sang-Hyun Park, Ju-Woon Lee, Young-Beob Yu, Jae-Hun Kim
The aim of this study was to evaluate the protective effect of low molecular weight β-glucan (LMG) against doxorubicin (DOX)-induced immune suppression of tumor-bearing mice. The tumor size and spleen cell functions such as spleen cell proliferation, cytokine production (interferon-γ and interleukin-2), and the population of CD4+ and CD8+ T cells were estimated. In the tumorbearing mice, the tumor... hiện toàn bộ
Inhibitory effect of phosphatidylserine on atopy-like dermatitis in NC/Nga mice
Springer Science and Business Media LLC - Tập 19 Số 6 - Trang 1513-1518 - 2010
Bongjun Sur, Bombi Lee, Mijung Yeom, Jeong‐Jun Han, Hee‐Don Choi, Hyejung Lee, Seok Joong Kim, Suk Hoo Yoon, Dae‐Hyun Hahm
Protective effect of rutin against ultraviolet b-induced cyclooxygenase-2 expression in mouse epidermal cells
Springer Science and Business Media LLC - Tập 22 - Trang 1-6 - 2013
Ji Hye Kim, Bo Bae Kim, Ki Won Lee, Nam Joo Kang
Cyclooxygenase-2 (COX-2) is a major mediator of inflammation and increases carcinogenesis, and it has been reported to play a pivotal role in UVB-mediated skin carcinogenesis. Rutin (3-rhamnosyl-glucosyl quercetin) is found in numerous fruits and vegetables, especially buckwheat. Previous studies indicated that rutin has antioxidant, anti-inflammatory, and anti-carcinogenic activities both in vitr... hiện toàn bộ
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