推薦產品
化驗
≥95% (HPLC)
形狀
powder
儲存溫度
room temp
SMILES 字串
O[C@H]1CO[C@@H](OC2=C(Oc3cc(O)cc(O)c3C2=O)c4ccc(O)c(O)c4)[C@H](O)[C@H]1O
InChI
1S/C20H18O11/c21-8-4-11(24)14-13(5-8)30-18(7-1-2-9(22)10(23)3-7)19(16(14)27)31-20-17(28)15(26)12(25)6-29-20/h1-5,12,15,17,20-26,28H,6H2/t12-,15-,17+,20-/m0/s1
InChI 密鑰
PZZRDJXEMZMZFD-IEGSVRCHSA-N
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相關類別
一般說明
Quercetin 3-O-α-L-arabinopyranoside was isolated from the leaves of the Ruprechtia polystachya tree.
生化／生理作用
Plant flavonoid which exhibits antibacterial and antioxidant activities. It shows significantly strong ABTS radical scavenging activity, inhibitory activity against urease of quercetin glycosides isolated from Allium cepa and Psidium guajava. It is a potential antiplaque agent against Streptococcus mutans.
quercetin 3-O-α-L-arabinopyranoside was shown to inhibit the activity of glucose-6-phosphatase.
包裝
Bottomless glass bottle. Contents are inside inserted fused cone.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
分析證明 (COA)
輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。
Dimitrina Zheleva-Dimitrova et al.
Natural product research, 26(17), 1576-1583 (2011-11-15)
The occurrence of three known benzophenones, namely annulatophenonoside, acetylannulatophenonoside and annulatophenone as well as a flavonol O-glycoside guajaverin in the aerial parts of Hypericum maculatum Crantz was established. In addition, hyperoside, isoquercitrin and miquelianin were isolated from this plant, as
X Lozoya et al.
Archives of medical research, 25(1), 11-15 (1994-01-01)
The traditional herbal remedy from Psidium guajava leaves has been medically proposed in Mexico as effective treatment of acute diarrhea. A methanolic leaf extract was subjected to a bioassay-guided isolation of spasmolytic constituents. Six fractions were separated on a polyvinylpolypyrrolidine
Huaguo Chen et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 35(10), 1284-1286 (2010-08-17)
The aim of the paper was to develop a HPLC method for the quality control of Periploca forrestii Schltr. The 18 samples were analyzed on a Hypersil C18 column. The mobile phase was methanol-water (33:67) and the flow rate was
G R Prabu et al.
Journal of applied microbiology, 101(2), 487-495 (2006-08-03)
The aim of the present study was to investigate the anti-Streptococcus mutans activity and the in vitro effects of subminimal inhibitory concentrations of guaijaverin isolated from Psidium guajava Linn. on cariogenic properties of Strep. mutans. Bioautography-directed chromatographic fractionation, yield biologically
Cássia Regina Primila Cardoso et al.
Toxicology, 225(1), 55-63 (2006-06-20)
Byrsonima crassa is a plant pertaining to the Brazilian central savannah-like belt of vegetation and popularly used for the treatment of gastric dysfunctions and diarrhoea. The methanol extract contains catechin, tannins, terpenes and flavonoids; both mutagenic potential and antioxidant properties
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