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任发政谈蛋白产业未来攻关重点：最大化保留蛋白质原始结构与活性_我的网站

落日余晖

A | 专题：精准营养产业大会精准蛋白营养赋能全生命周期健康 2026年8月21-23日，第二届精准营养产业大会在黑龙江哈尔滨举行，大会主题为“精准蛋白营养，赋能全生命周期健康”。中国工程院院士、中国检验检测学会会长、中国农业大学教授任发政在论坛上表示，蛋白质是生命的基础载体与核心执行者，广泛参与人体结构构建、物质代谢、免疫调节、物质运输等全部生命活动。

Zhou Jiang speaks at an event. Photo: Courtesy of Zhou Jiang
Zhou Jiang, a researcher at the Sichuan Academy of Social Sciences, has a favorite book: White Deer Tableland or Bai Lu Yuan by renowned writer Chen Zhongshi.
As vice president of the Regional Science Association of China (RSAC), Zhou told the Global Times that a lifetime of reading has profoundly shaped the way he sees and understands the world. It ultimately led him to a career in research and academia, where he teaches and pursues scholarly work.
Since earning his PhD in economics in 2000, he has devoted himself to the study of regional science and economics, a field that demands a constant crossing of disciplinary boundaries, drawing on the fields of geography, sociology, history, and ecology among others.
"Reading has kept alive my sense of curiosity and taught me to ask questions with patience and persistence: Where do disparities in regional development come from? How do policies affect different groups in society? And how can a region pursue both efficiency and equity so that development is not merely effective, but also imbued with a greater sense of humanity and warmth?" Zhou noted.
Founded in 1991, RSAC is a national academic society dedicated to advancing domestic and international academic exchange and cooperation, providing consulting services on spatial planning, urbanization, and regional development, and offering intellectual support for China's modernization drive.
The 57-year-old researcher noted that reading has empowered him in two distinct ways.
"The first is discernment. When confronted with a complex issue, I try not to settle for a simple conclusion. Instead, I make an effort to understand its broader context, how it has unfolded, and the perspectives of the different people involved," he said.
"The second is a sense of inner steadiness. Setbacks are an inevitable part of both life and work. Good books remind us that hardship is never ours alone to bear; countless people before us have faced circumstances more difficult than our own, made difficult choices, and found the strength to carry on. Reading cannot solve every problem for us, but it can help us remain calm when challenges arise, giving us the clarity and resilience that allow us not to panic or give up too easily," he said.
Historical depth

Each time Zhou returns to the White Deer Tableland, he finds something different in its pages.
"When I first read it as a young person, I was drawn primarily to the characters and the twists and turns of their lives. Later, as I began researching regional economics, I found myself paying closer attention to the changes in the land, the countryside, families and social order presented in the story. Now, approaching 60, I have come to appreciate more deeply the choices the characters make, the constraints they face, and the quiet perseverance they show amid the sweeping currents of their times," he said.
White Deer Tableland uses Bai Lu village in Northwest China's Shaanxi Province as a microcosm, tracing the feuds and intertwined fortunes of three generations of the Bai (literally meaning white) and Lu families. Through their stories, it captures more than half a century of sweeping historical change, from the final years of the Qing Dynasty (1644-1911) to the 1970s and 1980s. The novel won the Mao Dun Literature Prize, one of China's top literature awards, in 1997.
Zhou prefers literary works with historical depth and a keen eye for social change.
Regional economics may appear to be concerned with the spatial distribution of industries, population and resources, but at its heart, it is about how people live on a particular piece of land, and why some places flourish while others decline, he noted.
In this sense, literature and history are more than pastimes beyond professional research. They often help him understand the historical context, cultural traditions and social mentality that lie behind economic data, he said.
When reading novels, Zhou said that he often pays close attention to the relationship between people and the places they inhabit: How the land shapes the local character, how transportation transforms a region, and how shifts in industry reshape families and villages. Such details may not offer a direct conclusion, but they broaden a researcher's perspective. They also serve as a reminder that research should look beyond growth rates and statistical indicators to consider the sense of fulfillment experienced by ordinary people and the dignity of human beings.
Understanding ourselves
Once, while tidying his study, he came across a book filled with notes he had scribbled in his early years. Among them was a question that particularly caught his attention: "In the face of sweeping changes in the times and profound social transformation, what can a person truly determine for himself?"
Looking at those words he had written in his youth was like coming face to face with the person he had been decades ago.
Reading is not simply the act of understanding a book; it is also a record of a person's own growth, he said. The same book can reveal something entirely different when read at different stages of life.
When we are young, we turn to books in search of answers; but when we become seasoned, we read more to understand life, to understand others, and ultimately, to better understand ourselves, Zhou said.
In this era of fragmented information, AI can help people access information quickly, organize materials, and gain a basic understanding of unfamiliar fields. Yet deep reading, Zhou said, allows people to see how a conclusion is reached — what evidence supports it, where its boundaries lie, and what alternative interpretations it may invite.
What truly shapes a person, after all, is not how much information they have browsed, but the words that have made them pause and reflect - and the words that have remained with them for many years, he added.
。而其最关键、最容易被忽视的核心特点，就是人体不存在蛋白质长期储备库。　　“人体每天都在进行大规模的蛋白质裁旧建新代谢过程，每日更新代谢量可达250克至300克，根据体重、代谢速率因人而异。”任发政解释，正因人体无法长期储存蛋白质，日常生命活动所需蛋白必须持续依靠膳食供给，这也直接决定了食物蛋白质的质量、结构与吸收效率，是维系人体生命活动的关键核心。　　任发政进一步结合人体代谢机制，阐释了精准蛋白营养的科学性与必要性。他介绍，人体蛋白质“裁旧建新”的循环过程中，60%至80%的氨基酸可被机体重复利用，但个体差异极大。不同人群的代谢速率、氨基酸重复利用率各不相同，部分人群利用率可达80%，部分仅为60%。

B | “利用率不同，人体所需外源食物蛋白、氨基酸的供给总量和种类就完全不同。”任发政强调，这一机制充分印证了蛋白质营养的时空性、个体性，也是精准营养、差异化膳食干预的核心生理学依据。　　谈及最新科研突破与产业升级方向，任发政表示，传统研究多聚焦蛋白质的氨基酸组成与消化吸收率，而当下前沿研究证实，蛋白质的功能活性不仅取决于氨基酸构成，更依赖其一级、二级、三级立体结构。

C | 最新研究发现，大量功能性蛋白可通过细胞膜内外直接转运吸收，为蛋白营养利用开辟了全新路径。　　对此，任发政指出，这一突破对食品加工工艺提出了全新要求。行业未来的核心攻关重点，是在食品加工全过程中最大化保留蛋白质原始结构与活性，实现高活性蛋白的高效提取、保留与精准输送，让功能性蛋白充分被人体吸收利用。