Sanitizers Affect Chemical Compositions and Physical Characteristics of Few-Flower Wildrices under Modified Atmosphere Packaging

Issue Date

12-2010

Abstract

The influence of different sanitizers on nutritional composition and lignification of sliced few-flower wildrice (Zizania latifolia Turcz.) was investigated. Wildrice slices washed with 100 mg L-1 chlorine dioxide (ClO2), 50 mg L-1 hydrogen peroxide (H2O2) and 80 mg L-1 peroxyacetic acid (PAA) were packed in micro perforated polyethylene film for 21 d at 2 ºC. Microbial growth, gas composition, soluble solids content (SSC), pH, whiteness index (WI), vitamin C, phenols, firmness and lignin were determined every 7 d. Compared with water washing, three sanitizers inhibited microbial growth and browning, delayed lignification, and maintained tenderness of few-flower wildrice. ClO2 was superior to other sanitizers in reducing microbial population and respiration activity but caused significant SSC loss and lignification. PAA treatment retained better texture, higher vitamin C and phenol content than H2O2, but did not significantly affect microbial growth, WI and lignin. Our data suggested that PAA washing pretreatment has more potential to keep the quality of fresh-cut few-flower wildrice.

Source or Periodical Title

Philippine Agricultural Scientist, The (Formerly: The Philippine Agriculturist)

ISSN

0031-7454

Volume

93

Issue

4

Page

446-453

Document Type

Article

College

College of Agriculture and Food Science (CAFS)

Frequency

quarterly

Physical Description

graphs, tables, references

Language

English

Subject

chlorine dioxide, few-flower wildrice, hydrogen peroxide, lignification, peroxyacetic acid, quality

En – AGROVOC descriptors

ZIZANIA; CONTROLLED ATMOSPHERE PACKAGING; CHEMICAL COMPOSITION; CHLORINE COMPOUNDS; HYDROGEN PEROXIDE; LIGNIFICATION

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