Results 1 to 10 of about 18,321 (240)

Hydrolytic efficiency and isomerization during de-esterification of natural astaxanthin esters by saponification and enzymolysis

Electronic Journal of Biotechnology, 2018
Background: Astaxanthin from natural sources is typically esterified with fatty acids; hence, it must be hydrolyzed to remove esters before identification and quantification by conventional HPLC.
Fang Su, Huarong Xu, Na Yang, Wei Liu, Jianguo Liu   +4 more
doaj   +1 more source

Engineering Microalgae for Enhanced Astaxanthin Production: Integrating Metabolic Pathways and Nano-Biotechnologies

Marine Drugs
Astaxanthin is a high-value metabolite with substantial market demand, owing to its potent antioxidant activity and diverse health benefits. Microalgae are considered the primary producers of esterified astaxanthin, yet their industrial-scale cultivation
Zhongliang Sun, Shuonan Cao, Shoukai Guo, Weixian Cheng, Adamu Yunusa Ugya, Liqin Sun   +5 more
doaj   +1 more source

Glukosa-Astaxanthin Meningkatkan Motilitas dan Daya Hidup Spermatozoa Ayam Kampung yang Disimpan pada Suhu 3-5°C

Indonesia Medicus Veterinus, 2014
Dalam penelitian ini ingin diketahui penambahan glukosa, astaxanthin dan kombinasi glukosa dengan astaxanthin pada pengencer kuning telur fosfat dalam mempertahankan motilitas dan daya hidup spermatozoa ayam kampung yang disimpan pada suhu 3-5°C .
I Gusti Ngurah Agung Dolly Octa, I Gusti Ngurah Bagus Trilaksana, Wayan Bebas   +2 more
doaj  

Astaxanthin: Sources, Extraction, Stability, Biological Activities and Its Commercial Applications—A Review

Marine Drugs, 2014
There is currently much interest in biological active compounds derived from natural resources, especially compounds that can efficiently act on molecular targets, which are involved in various diseases.
Ranga Rao Ambati, Siew-Moi Phang, Sarada Ravi, Ravishankar Gokare Aswathanarayana   +3 more
doaj   +1 more source

Advances and trends for astaxanthin synthesis in Phaffia rhodozyma

Microbial Cell Factories
Astaxanthin, a carotenoid endowed with potent antioxidant capacity, exhibits considerable application prospects in nutraceuticals, pharmaceuticals, and cosmetics.
Jiajun Sun, Zhaokun Zhang, Le Gao, Fan Yang   +3 more
doaj   +1 more source

Research progress on digestion, absorption and health efficacy of astaxanthin ester

Shipin yu jixie
Astaxanthin is primarily found in both free and esterified forms in nature, With astaxanthin esters presenting various structural variations. These forms differ significantly in their digestive, absorption, and health-related functions compared to free ...
DU Yufeng, CHE Hongxia, LI Xiaoran, ZHOU Miaomiao, HOU Peng   +4 more
doaj   +1 more source

Characterization of red pigmented yeasts and genes associated with astaxanthin synthesis in Rhodotorula mucilaginosa HL26-1 and Rhodotorula paludigena LL69-1 [version 2; peer review: 1 approved, 2 approved with reservations]

F1000Research
Background Astaxanthin, a red xanthophyll carotenoid, is a powerful antioxidant, anticancer, and glucose and lipid homeostasis regulator. Some pigmented yeasts belonging to the genus Rhodotorula, the well-known yeast for beta-carotene production, have ...
Engkarat Kingkaew, Sukanya Phuengjayaem, Takuji Nakashima, Nisachon Tedsree, Somboon Tanasupawat, Worathat Thitikornpong, Boonchoo Sritularak, Pornchai Rojsitthisak, Patcharaporn Hoondee   +8 more
doaj   +1 more source

Metabolic engineering of apple callus and tobacco leaf for astaxanthin production

Industrial Crops and Products
Astaxanthin, a ketocarotenoid with superior antioxidant properties compared with other carotenoids, is increasingly demanded in feed, food, and pharmaceutical industries.
Dongjie Jia, Lianmei Fan, Liping Chen, Qingyuan Dang, Dong Han, Kun Jia, Jiyun Nie, Gengsen Liu, Yongbing Yuan   +8 more
doaj   +1 more source

Enhancement of Astaxanthin Bioaccessibility by Encapsulation in Liposomes: An In Vitro Study

Molecules
Astaxanthin was encapsulated in liposomes by a thin layer dispersion and ultrasound method using soybean phospholipid. The digestion properties of liposomes for encapsulating astaxanthin were investigated in light of particle size, size distribution ...
Li Pan, Haojie Meng, Jiaqi Li, Zongjie Liu, Dongsheng Zhang, Zhengyang Liu, Qian Zhao, Fei Xu   +7 more
doaj   +1 more source

Microwave-Assisted Natural Catalyst-Promoted Astaxanthin <i>Z</i>‑Isomerization in Deep Eutectic Solvent Systems. [PDF]

ACS Omega
Han L, Lin L, Xu H, Hu Q, Xie D.
europepmc   +1 more source