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- Title
Effects of Storage, Prepration and Heat Treatment on Water-Soluble Vitamins and Minerals of Sauropus Androgynous.
- Authors
NGUYET, NGUYEN T. M.; THUY, DANG T.; TUAN, NGUYEN N.; QUOC, LE P. T.
- Abstract
Sauropus androgynous is a green leafy vegetable in Vietnam. The proximate main compositions (protein, lipid, ash, and fiber) in leaves were 24.05±0.87, 4.20±0.02, 8.74±0.24, 7.21±1.19% dry weight (DW). This study aimed to determine the change of water-soluble vitamins and minerals of this vegetable plant when stored in polythene bags at a temperature of 6.2±2.89 oC and moisture 49±13.23% and thermal processing. Throughout the storage period, the sample assessment results by High-Performance Liquid Chromography (HPLC) method revealed that, except for vitamin B3, almost water-soluble vitamins of S. androgynous tend to lose around 50% of their weight after 8 days in the refrigerator. After two days of storage, vitamin B3 increased substantially (123.39±19.45mg/100g DW versus 203.75±3.94 mg/100g DW), then decreased slightly after every two days. The modification of minerals determined by the inductively coupled plasma mass spectrometry IPC-MS method in S. androgynous plant leaves occurred similarly over 8 days of storage. All the plant leaves were boiled in water for 15 min at 90-100oC with two-way pretreatments rub and non-rub the leaves. All analyzed vitamins and minerals have decreased, but no significant differences between samples were treated in two different ways before thermal processing concerning several vitamins and minerals.
- Subjects
VIETNAM; MINERAL analysis; FOLIAR diagnosis; LIPID analysis; VITAMINS; COMPUTER software; TEMPERATURE; HIGH performance liquid chromatography; REFRIGERATION &; refrigerating machinery; ANALYSIS of variance; HUMIDITY; NUTRITIONAL value; VITAMIN B complex; MASS spectrometry; DESCRIPTIVE statistics; RESEARCH funding; FOOD storage; PLANT extracts
- Publication
Current Research in Nutrition & Food Science, 2022, Vol 10, Issue 2, p685
- ISSN
2347-467X
- Publication type
Article
- DOI
10.12944/CRNFSJ.10.2.23