Changes in the protein and fat contents of peanut (Arachis hypogaea L.) cultivars released in China in the last 60 years

Abstract

Peanut is an important oil and cash crop in China. We selected 540 peanut cultivars—released in three ecological regions of China (Yellow River, Yangtze River and Southeast Coast regions)—to examine changes in quality characters and pod yield in the last 60 years. From 1957 to 2016, crude fat, protein and pod yields in peanut cultivars increased significantly in the three regions. In contrast, the crude fat content, as opposed to its yield, did not change in the Yellow River region, increased in the Yangtze River region and decreased in the Southeast Coast region, and the protein content decreased in the Yellow and Yangtze River regions but did not change in the Southeast Coast region. Peanut cultivars grown in the Yellow and Yangtze River regions had higher mean crude fat contents, while those in the Southeast Coast region had higher mean protein contents. In future, breeders and farmers should pay more attention to high protein peanuts in the Southeast Coast region and high oil peanuts in the Yellow River and Yangtze River regions.

Rapid high-throughput determination of major components and amino acids in a single peanut kernel based on portable near-infrared spectroscopy combined with chemometrics

“…Based on the violin plot, most fat and protein contents of peanut varieties ranged from 49− 54 g/ 100 g and 22− 27 g/100 g, respectively. This is similar compared with previous studies for fat (48− 55 g/100 g) (Li et al, 2018) and protein (20− 26 g/100 g) (Gong et al, 2018) in peanuts. Sucrose varied from 1.6 to 6.7 g/100 g. Lower values (2.6-6.5 g/100 g) were observed by Bishi (Bishi et al, 2015).…”

Trends in grain quality of starch, protein, fat and lysine content for normal maize varieties in China since the 1960s

“…Sun et al ( 2014) also detected a 0.31% decline in protein content every 10 years from 1950 to 2000 in China. In contrast, the crude protein contents for maize in the Yellow-Huai River Valley and southern China did not significantly change in our study, as reported for peanut (Li et al, 2018). This result may be because many maize breeding programs aim to improve lysine content; we found a positive correlation between crude protein content and lysine content in these two regions.…”

“…Peanuts and soybeans are important sources of vegetable oil in China. From 1957 to 2016, the crude fat content did not change in the Yellow River region, increased in the Yangtze River region, and decreased in the southeast coast region (Li et al., 2018). From the 1940s to 2010s, soybean oil content increased in the North spring soybean region, Yellow‐Huai‐Hai summer soybean region, and south soybean region of China (Qin et al., 2017).…”

The Antifungal Activity of Cinnamon-Litsea Combined Essential Oil against Dominant Fungal Strains of Moldy Peanut Kernels

“…Arachis hypogaea Linn., commonly known as peanut or groundnut, is an important oil crop grown in most parts of the world [ 1 ]. Due to the characteristics of poor heat resistance and high hygroscopicity, peanuts easily go moldy under improper storage conditions.…”