A first survey on the biochemical composition of egg yolk and lysozyme-like activity of egg envelopment in the cuttlefish Sepia officinalis from the Northern Adriatic Sea (Italy).
作者： Valerio Matozzo , Irene Conenna , Verena Maria Riedl , Maria Gabriella Marin , Tihana Marčeta
DOI: 10.1016/J.FSI.2015.04.026
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摘要: The cuttlefish Sepia officinalis is an important fishery resource in the Northern Adriatic Sea (Italy). During reproduction, fertilised eggs are released by adult females coastal waters and embryo development can take over two months. this period, embryos rely on nutrients other substances, such as immune factors, provided female egg yolk. In cephalopods general, specifically common cuttlefish, little information available yolk biochemical composition substances included envelopment. present study, main components of presence antimicrobial envelopment S. were determined for first time. Statistically significant differences total weight observed among batches from different females. Egg weights positively correlated, with representing 13% (±5%) weight. Total proteins component (46%) yolk, followed carbohydrates plus glycogen (39%) lipids (15%). recorded protein amounts, lipids, glycogen, but no correlations found between components. Petri dish quantitative spectrophotometric assays revealed lysozyme-like activity gelatinous
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