lam-1

BE-24566B is a polyketide fungal metabolite originally isolated fromS. violaceusniger.1It is active againstB. subtilis,B. cereus,S. aureus,M. luteus,E. faecalis, andS. thermophilus(MICs = 1.56, 1.56, 1.56, 1.56, 3.13, and 3.13 μg/ml, respectively). BE-24566B is an endothelin (ET) receptor antagonist (IC50s = 11 and 3.9 μM for ETAand ETBreceptors, respectively).2 1.Kojiri, K., Nakajima, S., Fuse, A., et al.BE-24566B, a new antibiotic produced by Streptomyces violaceusnigerJ. Antibiot. (Tokyo)48(12)1506-1508(1995) 2.Lam, Y.K.T., Hensens, O., Helms, G., et al.L-755,805, a new polyketide endothelin binding inhibitor from an actinomyceteTetrahedron Lett.36(12)2013-2016(1995)

Solidagonic acid 通过促进异常单极纺锤体向双极纺锤体的转变来抑制 HSET 运动活动。Solidagonic acid 抑制裂殖酵母细胞死亡，并使有丝分裂纺锤体从单极形态逆转为双极形态。Solidagonic acid 对 Lactuca sativaL. 和 Lolium multiflorumLam 的幼苗具有生长抑制活性。

Ellagic acid 4-O-α-L-arabinopyranoside，一种具有抗氧化活性的化合物，从Dimocarpus longan Lour, syn. Euphoria longan Lam.（龙眼）中分离得到。