Effects of Freezing and Frozen Storage on Protein Functionality and Texture of Some Cephalopod Muscles


GÖKOĞLU N., TOPUZ O. K., Yerlikaya P., YATMAZ H. A., Ucak I.

JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY, cilt.27, sa.2, ss.211-218, 2018 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 27 Sayı: 2
  • Basım Tarihi: 2018
  • Doi Numarası: 10.1080/10498850.2017.1422168
  • Dergi Adı: JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.211-218
  • Anahtar Kelimeler: Cuttlefish, freezing, frozen storage, octopus, squid, texture, M-LONGISSIMUS-DORSI, SHEAR FORCE, HISTOLOGICAL-CHANGES, SENSORY QUALITY, BEEF, SQUID, RATES, DEFINITION, TENDERNESS, ATTRIBUTES
  • Akdeniz Üniversitesi Adresli: Evet

Özet

The aim of this study was to investigate the effects of freezing and frozen storage on protein functionality and texture of squid (Loligo vulgaris), octopus (Octopus vulgaris), and cuttlefish (Sepia officinalis) muscles. Squid, octopus, and cuttlefish samples were cut into pieces of 4x4cm. These pieces were packed in polyethylene bags. The bags were frozen in a blast freezer at -45 degrees C until the thermal center reached -18 degrees C. Frozen samples were stored in a deep freezer at -18 degrees C for 30days. After freezing and during frozen storage, total soluble protein and water holding capacity decreased and total free amino acid and cooking loss increased in all cephalopod muscles. According to instrumental texture analysis results, freezing and frozen storage affected textural characteristics of squid and cuttlefish but not of octopus. Sensory hardness and chewiness values of all cephalopods increased after freezing, but elasticity values did not change. There were no significant differences between storage days in hardness values of squid and octopus. However, significant differences in hardness values of cuttlefish were observed between the 1st day of storage and the last day.