蛇年来临尝蛇菜

2013年是农历癸巳年,即蛇年。蛇肉鲜美可口,营养丰富,为餐中佳肴。我国各地素未有吃蛇的习惯,特别是广西、广东、福建一带。近代文学家、翻译家林纾在《畏庐琐记》中就有叙述＂岭地盛席无不用蛇羹者＂。现在,蛇肉烹饪方法就有焖、煎、炸、扣、蒸、炖、炒等10多种,并出现了一批颇有名气的蛇菜肴,如,＂金针蛇丝＂、＂蛇肉火锅＂、＂龟蛇滋补汤＂等,深受食客们的喜爱。在蛇年到来之际,

广州蛇菜

与几位好友来广州旅游，所到之处的大街小巷，都看见有蛇莱出售。问了店家，店家说冬天的蛇味更美，因为蛇们开始为冬眠养精蓄锐，所以又肥又补。广州蛇莱吸引着很多来广的游人。

蛇菜五款

(一)精炖枸杞蛇 食用活蛇1条;精盐10克、味精3克、麻油2克、枸杞15克、葱姜、香菜少许、猪油5克、料酒7克。 将蛇杀死剥皮、去头和内脏,即得“蛇壳”。将蛇壳洗净剁成3厘米的段待用。锅上火放清水,水开后放入蛇段焯一下。然后放入高压锅内,加人料酒、枸杞、盐、

Purification and Characterization of Jerdonitin, a Non-hemorrhagic Metalloproteinase from Trimeresurus jerdonii Venom

Previously, we have purified Jerdonitin from Trimeresurusjerdonii venom. Compared with other P-Ⅱ class snake venom metalloproteinases （SVMPs）, Jerdonitin has a primary structure comprising metalloproteinase and disintegrin domains. However, no hemorrhagic and fibrinogenolytic activities were detected for Jerdonitin. We thought that organic buffer of high performance liquid charamatography （HPLC） might affect its enzymatic activity. In this study, we purified Jerdonitin by another procedure excluding the HPLC. It was homogenous as judged by SDS-PAGE and had an apparent molecular weight of 36 kDa under non-reducing conditions and 38 kDa under reducing conditions, respectively. Like other typical metalloproteinases, Jerdonitin preferentially degraded alpha-chain of human fibrinogen and this fibrinogenolytic activity was completely inhibited by EDTA, but not by PMSF. It was interesting that Jerdonitin did not induce hemorrhage after intradermal injection in mice.