The analysis column,the mobile phase and the UV detector wavelength were chosed and optimized in order to quickly and quantitatively determine the main compositions of phosphatidylcholine(PC),phosphatidylethandamine(PE) and phosphatidylinositol(PI) in soybean phospholipids.A successful high performance liquid chromatography(HPLC) method was developed by using the following operating conditions:Lichrosorb Si-60 column,mobile phase V(hexane)∶V(isopropanol)∶V(1%acetic acid solution)=8∶8∶1,UV detection wavelength 205 nm.

Chromatography detector

Hexane

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Effect of Monoglyceride on Crystal Properties of Reaction Products of Cottonseed Oil and Palm Stearin Ester

Food Science (2013)

Yingyao Wang

Monoglyceride

Interesterified fat

Palm stearin

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Aqueous Enzymatic Extraction of Oil and Protein Hydrolysates from Peanut

Food Science and Technology Research (2008)

Yingyao Wang Zhang Wang Shangwei Cheng Fei Han

Aqueous enzymatic extraction (AEE) is a safe and efficient vegetable-oil extraction process that may also result in edible protein hydrolysates. In this study, an AEE process was developed to recover oil and protein hydrolysates from blanched peanut. The enzyme type and enzyme concentration for the most efficient extraction were selected. Under the condition of pH8.50, 60°C, an enzyme level of 1.5% and 8 h incubation, peanut protein hydrolysates (PPH) yield of 82.5% and oil yield of 92.2% were achieved when using alcalase2.4L. The fatty acid composition of oil obtained by AEE vs. hexane-extraction was very similar. The good oil quality could save the refine cost for edible. The functional properties of PPH were first investigated and they showed good effects of scavenging DPPH (α- dipheny -β- picrylhydrazyl) free radical and inhibiting the angiotensin-I-convertine enzyme (ACE).

Peanut oil

Hexane

Enzymatic Hydrolysis

10.3136/fstr.14.533

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Dynamic Maintenance of Decision Rules for Decision Attribute Values’ Changing

Lecture notes in computer science (2018)

Yingyao Wang Jianhua Dai Hong Shi

Rule induction

Decision rule

Decision table

Decision matrix

Matrix (chemical analysis)

10.1007/978-3-030-04182-3_51

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Chapter Two BALANCED DEVELOPMENT OR DECENTRALIZED GROWTH? Elite Reformers in the 1980s

Columbia University Press eBooks (2024)

Yingyao Wang

Elite

10.7312/wang21478-003

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A recognition method of learning behaviour in online classroom based on feature data mining

International Journal of Reasoning-based Intelligent Systems (2024)

Yingyao Wang

Feature (linguistics)

10.1504/ijris.2024.137441

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Chemo‐enzymatic Synthesis of Novel β‐Hydroxy‐β‐methylbutryric Acid (HMB)–Medium Chain Triacylglycerol (MCT) Complexes

Journal of the American Oil Chemists Society (2013)

Ling‐Zhi Cheong Katarzyna Magdalena Widzisz Yingyao Wang Henrik H. Jensen Peter Kappel Theil

Abstract β‐Hydroxy‐β‐methylbutyrate (HMB) is reported to have ergogenic benefits such as reducing muscle wasting, promoting exercise performance and skeletal muscle hypertrophy. When used as a dietary feed, it has been found to improve colostral milk fat and the growth of piglets. Medium chain triacylglycerols (MCT) are a good energy source as they can be subjected to β‐oxidation in the liver without being stored as fats. When used as animal feed, HMB–MCT complexes are reported to stimulate growth and produce leaner meat product. A high yield two‐steps chemo‐enzymatic pathway for synthesis of HMB–MCT complexes has been developed. Ethyl HMB ester was first synthesized using a chemical catalyst. Following that, it was transesterified with MCT by using a biocatalyst. Approximately 85 wt% of HMB–MCT complexes can be achieved using this two‐step synthetic pathway. The reaction mechanism and some of the reaction parameters were also briefly elucidated.

Biocatalysis

10.1007/s11746-013-2220-5

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