Piceid is a stilbenoid glucoside and is a major resveratrol derivative in grape juices. It can be found in the bark of Picea sitchensis. It can also be isolated from Polygonum cuspidatum, the Japanese knotweed (syn. Fallopia japonica).

CAS：27208-80-6
中文别名：云杉新甙;虎杖甙;白藜芦醇甙;
英文别名：Pieceid;RESVERATROL GLUCOSIDE;Resveratrol 3-Glucoside;Resveratrol 3-O-glucoside;Polydatin;4\',5-Dihydroxystilben-3-yl β-D-Glucopyranoside;trans-polydatin;Polydotin peceid;Plydatin;
分子式：C20H22O8
分子量：390.384
精确质量：390.131
Psa：139.84
Logp：0.4469

MDL号：MFCD28142720

密度：1.433g/cm3
沸点：700.5ºC at 760 mmHg
熔点：223-226ºC (dec.)
闪点：377.5ºC
折射率：1.69
蒸汽压：1.34E-20mmHg at 25°C

安全说明：S22-S24/25

用途
具有抗真菌和抗细菌活性，对金黄色葡萄球菌和肺炎双球菌有明显抑制作用。