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Recent development in the production strategies of microbial carotenoids

Foong LC, Loh CWL, Ng HS, Lan JC

World J Microbiol Biotechnol, 2021 Jan 04;37(1):12.
PMID: 33392834 DOI: 10.1007/s11274-020-02967-3

Carotenoids are a diverse group of lipid-soluble pigments that exhibit potent biological activities such as antioxidant, anti-inflammatory, and provitamin A activities. The potent health benefits of carotenoids result in the surge in the market demands for carotenoids, especially natural carotenoids from sustainable sources. Microbial carotenoids have attracted considerable interests for many industrial applications because of the low costs and ease of scaling-up with shorter production time. There is a growing interest in the search of new and sustainable microbial sources and cost-efficient production strategies following the high economical values and vast commercial applications of carotenoids. This article presents a review on the industrial production strategies of microbial carotenoids from microalgae, fungi, and bacteria sources. The industrial significance of the mass production of microbial carotenoids is also discussed. The structure, classification, and biosynthesis pathway of the carotenoids are also presented in this review.

Matched MeSH terms: Provitamins
Supplementation of red palm olein-enriched biscuits improves levels of provitamin A carotenes, iron, and erythropoiesis in vitamin A-deficient primary schoolchildren: a double-blinded randomised controlled trial

Tan PY, Loganathan R, Teng KT, Mohd Johari SN, Lee SC, Selvaduray KR, et al.

Eur J Nutr, 2024 Apr;63(3):905-918.
PMID: 38240773 DOI: 10.1007/s00394-023-03314-6

PURPOSE: Vitamin A deficiency (VAD) remains a significant contributor to childhood morbidity and mortality in developing countries; therefore, the implementation of sustainable and cost-effective approaches to control VAD is of utmost pertinence. This study aims to investigate the efficacy of red palm olein (RPO)-enriched biscuit supplementation in improving vitamin A, haematological, iron, and inflammatory status among vitamin A-deficient schoolchildren.
METHODS: We conducted a double-blinded, randomised controlled trial involving 651 rural primary schoolchildren (8-12 years) with VAD in Malaysia. The schoolchildren were randomised to receive either RPO-enriched biscuits (experimental group, n = 334) or palm olein-enriched biscuits (control group, n = 317) for 6-month duration.
RESULTS: Significant improvements in retinol and retinol-binding protein 4 levels were observed in both groups after supplementation (P

Matched MeSH terms: Provitamins
Fulltext Isolation and characterization of a 2,4-dinitrophenol-degrading bacterium

Noor Suffiah Md. Zin, Siti Nadzirah Padrilah, Mohd Fadhil Abd. Rahman, Koh, Sim Han, Ariff Khalid, Mohd. Yunus Shukor

Bioremediation Science and Technology Research, 2016;4(2):28-33.
MyJurnal

2,4-dinitrophenol (2,4-DNP) is utilized in the production of wood preservatives, dyes, and also
as a pesticide. Human acute (short-term) exposure to 2,4-DNP in humans by means of oral
exposure are nausea or vomiting, sweating, headaches, dizziness, and weight reduction. Thus, the
removal of this compound is highly sought. A 2,4-DNP-degrading bacterium (isolate 1) was
isolated from a sample soil from Terengganu. This bacterium (isolate 1) was characterized as a
rod Gram positive, non-sporulated, and non-motile bacterium. The bacterium is oxidase negative
and had catalase positive activity and was able to grow aerobically on 2,4-dinitrophenol as the
sole carbon source. This bacterium showed maximal growth on 2,4-DNP at the temperature
optimum of 30 oC, pH 5.0 and was tolerant to 2,4-DNP concentration of up to 0.5 mM (0.092
g/L). This bacterium prefers to use urea as the nitrogen source in addition to yeast extract for
mineral source and vitamin precursors.

Matched MeSH terms: Provitamins

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