Neue 16?-Hydroxysteroide aus menschlichem Urin und aus Schweine-Nebennieren. Isolierung, Konstitution, Synthesen. �ber Steroide, 156. Mitteilung
作者:R. Neher、Ch. Meystre、A. Wettstein
DOI:10.1002/hlca.19590420111
日期:——
Some new compounds, including 3α, 16α-dihydroxy-pregnan-20-one (I) and 3α, 16α-dihydroxy-allopregnan-20-one (III), have been isolated from urine of patients with clinically compensated adrenogenital salt-losing syndrome. Compound I seems to be responsible for the original salt loss. This effect could be demonstrated under certain conditions in male adrenalectomized rats. Compound III was also isolated
Esculeoside A (2), a spirosolane steroidal glycoside, is a major constituent isolated from Solanum lycopersicum, a commercial strain of mini tomatoes. The content variability of esculeoside A (2) was examined in mini, midi, and Momotaro tomatoes and various processed tomato products. In the green immature tomato fruit, tomatine (1) is oxidized at C-23 and C-27 to produce esculeoside A (2) in the ripe
Esculeoside A(2),一种螺索烷甾体糖苷,是从茄属商品茄子(Solanum lycopersicum)(一种微型番茄的商业菌株)中分离出来的主要成分。在微型,中型和桃太郎番茄以及各种加工过的番茄产品中检查了七叶皂甙A(2)的含量变异性。在绿色的未成熟番茄果实中,番茄红素(1)在C-23和C-27处被氧化,从而在成熟果实中产生七叶皂苷A(2)。此外,在成熟的果实中,七叶皂苷A(2)被部分转化为3β-羟基-5α-pregn-16-en-20-一个3 - O -β-糖四糖苷(6),一种孕烷糖苷。Esculeogenin A(3),鼠藤黄酚2容易被转化为3β,16β-二羟基-5α-pregn-20-one(17)。代谢研究显示,食用番茄后,人类志愿者受试者尿液中雄甾烷衍生物的排泄。Esculeogenin A(3)通过其对酰基辅酶A:胆固醇酰基转移酶(ACAT)的作用抑制巨噬细胞中胆固
Lycopersiconol, a pregnane derivative from tomato stock roots